Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6402	March 21, 2021, 3:43 p.m.	March 21, 2021, 3:46 p.m.

Size	797.0KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`d8e83950bcb19837b403291cfd01ae68`
SHA256	`d2212af53c854c77f784b8d92166d6793c18d480ff553d600fd169beef5a62d7`
CRC32	`F09ACC1D`
ssdeep	`24576:aLBZLqhvHHwxCc96jaMSREYoKi5ImtPyS1f+:8xCcMaMQEp3btPB`
Yara	PE_Header_Zero - PE File Signature Zero IsPE32 - (no description) IsNET_EXE - (no description) IsWindowsGUI - (no description) IsPacked - Entropy Check Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT

vbc.exe "C:\Users\test22\AppData\Local\Temp\vbc.exe"
2616
- vbc.exe "C:\Users\test22\AppData\Local\Temp\vbc.exe"
  1756

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
172.217.25.14	Active	Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Queries for the computername (4 events)

Time & API	Arguments	Status	Return
GetComputerNameW March 21, 2021, 3:45 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW March 21, 2021, 3:45 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW March 21, 2021, 3:45 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW March 21, 2021, 3:45 p.m.	computer_name: TEST22-PC	1	1

Checks if process is being debugged by a debugger (4 events)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent March 21, 2021, 3:43 p.m.			0	0
IsDebuggerPresent March 21, 2021, 3:43 p.m.			0	0
IsDebuggerPresent March 21, 2021, 3:45 p.m.			0	0
IsDebuggerPresent March 21, 2021, 3:45 p.m.			0	0

Uses Windows APIs to generate a cryptographic key (3 events)

Time & API	Arguments	Status	Return
CryptExportKey March 21, 2021, 3:43 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x002e89e0 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey March 21, 2021, 3:43 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x002e8be0 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey March 21, 2021, 3:43 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x002e8be0 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1

Checks amount of memory in system, this can be used to detect virtual machines that have a low amount of memory available (1 event)

Time & API	Arguments	Status	Return	Repeated
GlobalMemoryStatusEx March 21, 2021, 3:43 p.m.		1	1	0

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ March 21, 2021, 3:45 p.m.	stacktrace: 0x531790 0x530fb3 DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x6fba2652 DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x6fbb264f DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x6fbb2e95 DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x6fc674ec DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x6fc67610 CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x6fcf1dc4 CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x6fcf1e67 CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x6fcf1f7a _CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x6fcf416a _CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x7443f5a3 CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x744b7f16 _CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x744b4de3 RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x773d9ed2 RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x773d9ea5 exception.instruction_r: 8b 01 8b 40 28 ff 10 89 45 e0 8b 4d dc e8 93 d7 exception.instruction: mov eax, dword ptr [ecx] exception.exception_code: 0xc0000005 exception.symbol: exception.address: 0x531c03 registers.esp: 4189648 registers.edi: 4189672 registers.eax: 0 registers.ebp: 4189684 registers.edx: 195 registers.ebx: 4189940 registers.esi: 38658872 registers.ecx: 0	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

March 21, 2021, 3:45 p.m.

stacktrace:

0x531790
0x530fb3
DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x6fba2652
DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x6fbb264f
DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x6fbb2e95
DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x6fc674ec
DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x6fc67610
CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x6fcf1dc4
CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x6fcf1e67
CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x6fcf1f7a
_CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x6fcf416a
_CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x7443f5a3
CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x744b7f16
_CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x744b4de3
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x773d9ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x773d9ea5

exception.instruction_r: 8b 01 8b 40 28 ff 10 89 45 e0 8b 4d dc e8 93 d7
exception.instruction: mov eax, dword ptr [ecx]
exception.exception_code: 0xc0000005
exception.symbol:
exception.address: 0x531c03
registers.esp: 4189648
registers.edi: 4189672
registers.eax: 0
registers.ebp: 4189684
registers.edx: 195
registers.ebx: 4189940
registers.esi: 38658872
registers.ecx: 0

One or more potentially interesting buffers were extracted, these generally contain injected code, configuration data, etc.

Allocates read-write-execute memory (usually to unpack itself) (50 out of 76 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 1769472 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00500000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00670000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6fba1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6fba2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 917504 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00a00000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00aa0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00562000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0057c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006b0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006b1000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006b2000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006b3000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006b4000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006b5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00595000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0059b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00597000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0056a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0058a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00587000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0057a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006b6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 327680 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef58000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 65536 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef40000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef40000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006b7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006b8000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006b9000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0056c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:43 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00586000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory March 21, 2021, 3:45 p.m.	process_identifier: 2616 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73772000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:45 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0057d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:45 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006ba000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:45 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x07000000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:45 p.m.	process_identifier: 2616 region_size: 24576 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x07001000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:45 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x07007000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:45 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0057e000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:45 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x07008000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:45 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x07009000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:45 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0700a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:45 p.m.	process_identifier: 1756 region_size: 1703936 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x009a0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:45 p.m.	process_identifier: 1756 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b00000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory March 21, 2021, 3:45 p.m.	process_identifier: 1756 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6fba1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory March 21, 2021, 3:45 p.m.	process_identifier: 1756 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6fba2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:45 p.m.	process_identifier: 1756 region_size: 720896 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00440000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:45 p.m.	process_identifier: 1756 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004b0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 21, 2021, 3:45 p.m.	process_identifier: 1756 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00292000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1

The binary likely contains encrypted or compressed data indicative of a packer (2 events)

section

{u'size_of_data': u'0x000aa200', u'virtual_address': u'0x00002000', u'entropy': 7.594380197205735, u'name': u'.text', u'virtual_size': u'0x000aa0d4'}

entropy

7.59438019721

description

A section with a high entropy has been found

entropy

0.854362837414

description

Overall entropy of this PE file is high

Checks for the Locally Unique Identifier on the system for a suspicious privilege (1 event)

Time & API	Arguments	Status	Return	Repeated
LookupPrivilegeValueW March 21, 2021, 3:45 p.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0

Potentially malicious URLs were found in the process memory dump (15 events)

url	http://go2.microsoft.com/fwlink/?LinkId=131738
url	http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt0
url	http://www.microsoft.com/pki/certs/MicRooCerAut2011_2011_03_22.crt0
url	http://microsoft.com0
url	http://www.microsoft.com/pkiops/certs/MicCodSigPCA2011_2011-07-08.crt0
url	http://thegamesdb.net/api/GetPlatformsList.php
url	http://www.microsoft.com/pkiops/docs/primarycps.htm0
url	http://www.microsoft.com/pki/certs/MicCodSigPCA_08-31-2010.crt0
url	http://beta.visualstudio.net/net/sdk/feedback.asp
url	http://www.microsoft.com/pki/certs/MicrosoftTimeStampPCA.crt0
url	http://www.microsoft.com/pki/certs/MicTimStaPCA_2010-07-01.crt0
url	http://www.microsoft.com/PKI/docs/CPS/default.htm0
url	http://www.microsoft.com/pki/certs/MicrosoftRootCert.crt0
url	http://ns.adobe.com/xap/1.0/
url	http://www.microsoft.com/pkiops/crl/MicCodSigPCA2011_2011-07-08.crl0a

Yara rule detected in process memory (50 out of 117 events)

description	Listen for incoming communication	rule	network_tcp_listen
description	Communications smtp	rule	network_smtp_dotNet
description	Run a keylogger	rule	keylogger
description	(no description)	rule	DebuggerCheck__GlobalFlags
description	(no description)	rule	DebuggerCheck__QueryInfo
description	(no description)	rule	DebuggerHiding__Thread
description	(no description)	rule	DebuggerHiding__Active
description	(no description)	rule	ThreadControl__Context
description	(no description)	rule	SEH__vectored
description	Bypass DEP	rule	disable_dep
description	Affect hook table	rule	win_hook
description	Code injection with CreateRemoteThread in a remote process	rule	inject_thread
description	Create a windows service	rule	create_service
description	Create a COM server	rule	create_com_service
description	Communications over UDP network	rule	network_udp_sock
description	Listen for incoming communication	rule	network_tcp_listen
description	Communications smtp	rule	network_smtp_dotNet
description	Communications over P2P network	rule	network_p2p_win
description	Communications over HTTP	rule	network_http
description	File downloader/dropper	rule	network_dropper
description	Communications over FTP	rule	network_ftp
description	Communications over RAW socket	rule	network_tcp_socket
description	Communications use DNS	rule	network_dns
description	Communication using dga	rule	network_dga
description	Escalade priviledges	rule	escalate_priv
description	Take screenshot	rule	screenshot
description	Run a keylogger	rule	keylogger
description	Steal credential	rule	cred_local
description	Record Audio	rule	sniff_audio
description	APC queue tasks migration	rule	migrate_apc
description	Malware can spread east-west file	rule	spreading_file
description	Malware can spread east-west using share drive	rule	spreading_share
description	Create or check mutex	rule	win_mutex
description	Affect system registries	rule	win_registry
description	Affect system token	rule	win_token
description	Affect private profile	rule	win_private_profile
description	Affect private profile	rule	win_files_operation
description	Match Winsock 2 API library declaration	rule	Str_Win32_Winsock2_Library
description	Match Windows Inet API library declaration	rule	Str_Win32_Wininet_Library
description	Match Windows Inet API call	rule	Str_Win32_Internet_API
description	Match Windows Http API call	rule	Str_Win32_Http_API
description	(no description)	rule	DebuggerCheck__QueryInfo
description	(no description)	rule	DebuggerCheck__RemoteAPI
description	(no description)	rule	DebuggerHiding__Thread
description	(no description)	rule	DebuggerHiding__Active
description	(no description)	rule	DebuggerException__ConsoleCtrl
description	(no description)	rule	DebuggerException__SetConsoleCtrl
description	(no description)	rule	ThreadControl__Context
description	(no description)	rule	SEH__vectored
description	(no description)	rule	Check_Dlls

Terminates another process (2 events)

Time & API	Arguments	Status	Return	Repeated
NtTerminateProcess March 21, 2021, 3:45 p.m.	status_code: 0xffffffff process_identifier: 2616 process_handle: 0x00000234		0	0
NtTerminateProcess March 21, 2021, 3:45 p.m.	status_code: 0xffffffff process_identifier: 2616 process_handle: 0x00000234	1	0	0

Communicates with host for which no DNS query was performed (1 event)

host

172.217.25.14

Allocates execute permission to another process indicative of possible code injection (1 event)

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory March 21, 2021, 3:45 p.m.	process_identifier: 1756 region_size: 245760 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0x00000244	1	0	0

Looks for the Windows Idle Time to determine the uptime (1 event)

Time & API	Arguments	Status	Return	Repeated
NtQuerySystemInformation March 21, 2021, 3:45 p.m.	information_class: 8 (SystemProcessorPerformanceInformation)	1	0	0

A process attempted to delay the analysis task. (1 event)

description

vbc.exe tried to sleep 5456441 seconds, actually delayed analysis time by 5456441 seconds

Potential code injection by writing to the memory of another process (4 events)

Time & API	Arguments	Status	Return
WriteProcessMemory March 21, 2021, 3:45 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL:ÑD`àXv @ À@ÄuWø H.text$V X `.rsrcøZ@@.reloc `@B base_address: 0x00400000 process_identifier: 1756 process_handle: 0x00000244	1	1
WriteProcessMemory March 21, 2021, 3:45 p.m.	buffer: 8Ph läêäl4VS_VERSION_INFO½ïþ 1 1?ÊStringFileInfo¦040904e4HProductNameAdvanced SystemCarefFileDescriptionAdvanced SystemCare Auto Sweep,CompanyNameIObit`LegalCopyright© IObit. All rights reserved.4LegalTrademarksIObitVCommentsAdvanced SystemCare Auto Sweep4 FileVersion13.0.0.498 ProductVersion13.0.0.49Z%Guid3e377cea-867f-442e-a66b-600f9ff7ab35DVarFileInfo$Translationäï»¿<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0"> <assemblyIdentity version="1.0.0.0" name="MyApplication.app"/> <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2"> <security> <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3"> <requestedExecutionLevel level="asInvoker" uiAccess="false"/> </requestedPrivileges> </security> </trustInfo> </assembly> PAPADDINGX base_address: 0x00438000 process_identifier: 1756 process_handle: 0x00000244	1	1
WriteProcessMemory March 21, 2021, 3:45 p.m.	buffer: p 6 base_address: 0x0043a000 process_identifier: 1756 process_handle: 0x00000244	1	1
WriteProcessMemory March 21, 2021, 3:45 p.m.	buffer: @ base_address: 0x7efde008 process_identifier: 1756 process_handle: 0x00000244	1	1

Code injection by writing an executable or DLL to the memory of another process (1 event)

Time & API	Arguments	Status	Return	Repeated
WriteProcessMemory March 21, 2021, 3:45 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL:ÑD`àXv @ À@ÄuWø H.text$V X `.rsrcøZ@@.reloc `@B base_address: 0x00400000 process_identifier: 1756 process_handle: 0x00000244	1	1	0

Used NtSetContextThread to modify a thread in a remote process indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 2616 called NtSetContextThread to modify thread in remote process 1756
NtSetContextThread March 21, 2021, 3:45 p.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421150 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x0000023c process_identifier: 1756	1	0	0

Resumed a suspended thread in a remote process potentially indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 2616 resumed a thread in remote process 1756
NtResumeThread March 21, 2021, 3:45 p.m.	thread_handle: 0x0000023c suspend_count: 1 process_identifier: 1756	1	0	0

File has been identified by 28 AntiVirus engines on VirusTotal as malicious (28 events)

Elastic	malicious (high confidence)
FireEye	Generic.mg.d8e83950bcb19837
McAfee	RDN/GenericM
Cylance	Unsafe
Sangfor	Trojan.Win32.Save.a
K7GW	Trojan ( 005796231 )
Cybereason	malicious.c73a29
BitDefenderTheta	Gen:NN.ZemsilF.34628.Xm0@aOsynTf
Cyren	W32/MSIL_Kryptik.DQF.gen!Eldorado
Symantec	Trojan.Gen.2
APEX	Malicious
Avast	FileRepMalware
Kaspersky	HEUR:Trojan.MSIL.Scarsi.gen
Paloalto	generic.ml
Sophos	ML/PE-A
SentinelOne	Static AI - Malicious PE
Microsoft	Trojan:Win32/Wacatac.B!ml
AegisLab	Trojan.Win32.Malicious.4!c
Cynet	Malicious (score: 100)
AhnLab-V3	Trojan/Win.Kryptik.R373066
Malwarebytes	Malware.AI.4076588973
ESET-NOD32	a variant of MSIL/Kryptik.AACG
Rising	Trojan.Kryptik!8.8 (CLOUD)
Yandex	Trojan.AvsArher.bUatV3
Fortinet	MSIL/Kryptik.AACG!tr
AVG	FileRepMalware
CrowdStrike	win/malicious_confidence_60% (W)
Qihoo-360	HEUR/QVM03.0.022B.Malware.Gen

Executed a process and injected code into it, probably while unpacking (24 events)

Time & API	Arguments	Status	Return
NtResumeThread March 21, 2021, 3:43 p.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 2616	1	0
NtResumeThread March 21, 2021, 3:43 p.m.	thread_handle: 0x00000150 suspend_count: 1 process_identifier: 2616	1	0
NtResumeThread March 21, 2021, 3:43 p.m.	thread_handle: 0x00000198 suspend_count: 1 process_identifier: 2616	1	0
NtResumeThread March 21, 2021, 3:43 p.m.	thread_handle: 0x000001fc suspend_count: 1 process_identifier: 2616	1	0
NtGetContextThread March 21, 2021, 3:43 p.m.	thread_handle: 0x000000e0	1	0
NtGetContextThread March 21, 2021, 3:43 p.m.	thread_handle: 0x000000e0	1	0
NtResumeThread March 21, 2021, 3:43 p.m.	thread_handle: 0x000000e0 suspend_count: 1 process_identifier: 2616	1	0
CreateProcessInternalW March 21, 2021, 3:45 p.m.	thread_identifier: 6844 thread_handle: 0x0000023c process_identifier: 1756 current_directory: filepath: C:\Users\test22\AppData\Local\Temp\vbc.exe track: 1 command_line: filepath_r: C:\Users\test22\AppData\Local\Temp\vbc.exe stack_pivoted: 0 creation_flags: 134217732 (CREATE_NO_WINDOW\|CREATE_SUSPENDED) inherit_handles: 0 process_handle: 0x00000244	1	1
NtGetContextThread March 21, 2021, 3:45 p.m.	thread_handle: 0x0000023c	1	0
NtAllocateVirtualMemory March 21, 2021, 3:45 p.m.	process_identifier: 1756 region_size: 245760 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0x00000244	1	0
WriteProcessMemory March 21, 2021, 3:45 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL:ÑD`àXv @ À@ÄuWø H.text$V X `.rsrcøZ@@.reloc `@B base_address: 0x00400000 process_identifier: 1756 process_handle: 0x00000244	1	1
WriteProcessMemory March 21, 2021, 3:45 p.m.	buffer: base_address: 0x00402000 process_identifier: 1756 process_handle: 0x00000244	1	1
WriteProcessMemory March 21, 2021, 3:45 p.m.	buffer: 8Ph läêäl4VS_VERSION_INFO½ïþ 1 1?ÊStringFileInfo¦040904e4HProductNameAdvanced SystemCarefFileDescriptionAdvanced SystemCare Auto Sweep,CompanyNameIObit`LegalCopyright© IObit. All rights reserved.4LegalTrademarksIObitVCommentsAdvanced SystemCare Auto Sweep4 FileVersion13.0.0.498 ProductVersion13.0.0.49Z%Guid3e377cea-867f-442e-a66b-600f9ff7ab35DVarFileInfo$Translationäï»¿<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0"> <assemblyIdentity version="1.0.0.0" name="MyApplication.app"/> <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2"> <security> <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3"> <requestedExecutionLevel level="asInvoker" uiAccess="false"/> </requestedPrivileges> </security> </trustInfo> </assembly> PAPADDINGX base_address: 0x00438000 process_identifier: 1756 process_handle: 0x00000244	1	1
WriteProcessMemory March 21, 2021, 3:45 p.m.	buffer: p 6 base_address: 0x0043a000 process_identifier: 1756 process_handle: 0x00000244	1	1
WriteProcessMemory March 21, 2021, 3:45 p.m.	buffer: @ base_address: 0x7efde008 process_identifier: 1756 process_handle: 0x00000244	1	1
NtSetContextThread March 21, 2021, 3:45 p.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421150 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x0000023c process_identifier: 1756	1	0
NtResumeThread March 21, 2021, 3:45 p.m.	thread_handle: 0x0000023c suspend_count: 1 process_identifier: 1756	1	0
NtResumeThread March 21, 2021, 3:45 p.m.	thread_handle: 0x000000e0 suspend_count: 1 process_identifier: 1756	1	0
NtResumeThread March 21, 2021, 3:45 p.m.	thread_handle: 0x00000150 suspend_count: 1 process_identifier: 1756	1	0
NtResumeThread March 21, 2021, 3:45 p.m.	thread_handle: 0x000001cc suspend_count: 1 process_identifier: 1756	1	0
NtResumeThread March 21, 2021, 3:45 p.m.	thread_handle: 0x00000314 suspend_count: 1 process_identifier: 1756	1	0
NtResumeThread March 21, 2021, 3:45 p.m.	thread_handle: 0x00000334 suspend_count: 1 process_identifier: 1756	1	0
NtResumeThread March 21, 2021, 3:45 p.m.	thread_handle: 0x00000398 suspend_count: 1 process_identifier: 1756	1	0
NtResumeThread March 21, 2021, 3:45 p.m.	thread_handle: 0x00000414 suspend_count: 1 process_identifier: 1756	1	0

vbc.exe

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