Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6402	Aug. 3, 2021, 4:43 p.m.	Aug. 3, 2021, 4:47 p.m.

Size	873.5KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`93e2f546bad5cebfec66e8edcf39cf31`
SHA256	`c79d65d7f2bb1d55cb0a5c83809fbe9a743c402912518deaf57ea939475df693`
CRC32	`759FD02B`
ssdeep	`12288:gc4+3IMKsMI96vrVLWJ0wgClCyOhMSG7tJXNf6IUh6Fh/Kvs/61TTi22iN:gcn3INCYBWJBPlQwbXlKUK0S1TTX1`
Yara	PE_Header_Zero - PE File Signature Generic_Malware_Zero - Generic Malware Is_DotNET_EXE - (no description) IsPE32 - (no description) Malicious_Library_Zero - Malicious_Library Admin_Tool_IN_Zero - Admin Tool Sysinternals

vbc.exe "C:\Users\test22\AppData\Local\Temp\vbc.exe"
2072
- vbc.exe "C:\Users\test22\AppData\Local\Temp\vbc.exe"
  2764

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
No hosts contacted.

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Queries for the computername (4 events)

Time & API	Arguments	Status	Return
GetComputerNameW Aug. 3, 2021, 4:44 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW Aug. 3, 2021, 4:44 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW Aug. 3, 2021, 4:44 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW Aug. 3, 2021, 4:44 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 Aug. 3, 2021, 4:43 p.m.			0	0
IsDebuggerPresent Aug. 3, 2021, 4:43 p.m.			0	0
IsDebuggerPresent Aug. 3, 2021, 4:44 p.m.			0	0
IsDebuggerPresent Aug. 3, 2021, 4:44 p.m.			0	0

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

Time & API	Arguments	Status	Return
CryptExportKey Aug. 3, 2021, 4:43 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x007c66a8 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey Aug. 3, 2021, 4:43 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x007c66a8 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey Aug. 3, 2021, 4:43 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x007c66a8 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 Aug. 3, 2021, 4:43 p.m.		1	1	0

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ Aug. 3, 2021, 4:44 p.m.	stacktrace: 0x8c17d0 0x8c0ffb DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x739f2652 DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x73a0264f DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x73a02e95 DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x73ab74ec DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x73ab7610 CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x73b41dc4 CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x73b41e67 CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x73b41f7a _CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x73b4416a _CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x7409f5a3 CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x743a7f16 _CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x743a4de3 RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x77199ed2 RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x77199ea5 exception.instruction_r: 8b 01 8b 40 28 ff 10 89 45 e0 8b 4d dc e8 53 d7 exception.instruction: mov eax, dword ptr [ecx] exception.exception_code: 0xc0000005 exception.symbol: exception.address: 0x8c1c43 registers.esp: 5632112 registers.edi: 5632136 registers.eax: 0 registers.ebp: 5632148 registers.edx: 195 registers.ebx: 5632396 registers.esi: 38134104 registers.ecx: 0	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

Aug. 3, 2021, 4:44 p.m.

stacktrace:

0x8c17d0
0x8c0ffb
DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x739f2652
DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x73a0264f
DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x73a02e95
DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x73ab74ec
DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x73ab7610
CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x73b41dc4
CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x73b41e67
CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x73b41f7a
_CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x73b4416a
_CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x7409f5a3
CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x743a7f16
_CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x743a4de3
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x77199ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x77199ea5

exception.instruction_r: 8b 01 8b 40 28 ff 10 89 45 e0 8b 4d dc e8 53 d7
exception.instruction: mov eax, dword ptr [ecx]
exception.exception_code: 0xc0000005
exception.symbol:
exception.address: 0x8c1c43
registers.esp: 5632112
registers.edi: 5632136
registers.eax: 0
registers.ebp: 5632148
registers.edx: 195
registers.ebx: 5632396
registers.esi: 38134104
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 77 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 region_size: 1179648 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005c0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006a0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73a71000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73a72000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 region_size: 1769472 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02000000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02170000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00472000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004a5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004ab000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004a7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0048c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00760000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0047a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0049a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00497000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0048a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 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 Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 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 Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 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 Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 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 Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 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 Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 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 Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 region_size: 12288 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00761000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00764000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x043c2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00496000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0047c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:43 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00765000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00766000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0048d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0048e000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00767000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00768000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00769000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0076a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0076b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0076c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0076d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0076e000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0076f000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00650000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00651000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00652000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00653000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2764 region_size: 655360 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00560000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2764 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005c0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2764 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x739f1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2764 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x739f2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2764 region_size: 786432 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x007d0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2764 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00850000 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'0x000c9200', u'virtual_address': u'0x00002000', u'entropy': 7.446767078765222, u'name': u'.text', u'virtual_size': u'0x000c9080'}

entropy

7.44676707877

description

A section with a high entropy has been found

entropy

0.921534936999

description

Overall entropy of this PE file is high

Checks for the Locally Unique Identifier on the system for a suspicious privilege (2 events)

Time & API	Arguments	Status	Return	Repeated
LookupPrivilegeValueW Aug. 3, 2021, 4:44 p.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0
LookupPrivilegeValueW Aug. 3, 2021, 4:44 p.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0

Yara rule detected in process memory (10 events)

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

Terminates another process (2 events)

Time & API	Arguments	Status	Return	Repeated
NtTerminateProcess Aug. 3, 2021, 4:44 p.m.	status_code: 0xffffffff process_identifier: 2728 process_handle: 0x0000027c		0	0
NtTerminateProcess Aug. 3, 2021, 4:44 p.m.	status_code: 0xffffffff process_identifier: 2728 process_handle: 0x0000027c	1	0	0

Allocates execute permission to another process indicative of possible code injection (2 events)

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2728 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: 0x0000026c		3221225496	0
NtAllocateVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2764 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: 0x00000280	1	0	0

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

Time & API	Arguments	Status	Return	Repeated
NtQuerySystemInformation Aug. 3, 2021, 4:44 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 10912888 seconds, actually delayed analysis time by 10912888 seconds

Manipulates memory of a non-child process indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 2072 manipulating memory of non-child process 2728
NtAllocateVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2728 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: 0x0000026c		3221225496	0

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

Time & API	Arguments	Status	Return
WriteProcessMemory Aug. 3, 2021, 4:44 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELjé`àXv @ À@PvKX H.text¤V X `.rsrcXZ@@.reloc `@B base_address: 0x00400000 process_identifier: 2764 process_handle: 0x00000280	1	1
WriteProcessMemory Aug. 3, 2021, 4:44 p.m.	buffer: 8Ph ÄhêÄ4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°$StringFileInfo000004b0,FileDescription 0FileVersion0.0.0.0x+InternalNameeuBTclcChqenwdaokXVwrIozGFGzLmkrbZatUQ.exe(LegalCopyright +OriginalFilenameeuBTclcChqenwdaokXVwrIozGFGzLmkrbZatUQ.exe4ProductVersion0.0.0.08Assembly Version0.0.0.0ï»¿<?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> base_address: 0x00438000 process_identifier: 2764 process_handle: 0x00000280	1	1
WriteProcessMemory Aug. 3, 2021, 4:44 p.m.	buffer: p 6 base_address: 0x0043a000 process_identifier: 2764 process_handle: 0x00000280	1	1
WriteProcessMemory Aug. 3, 2021, 4:44 p.m.	buffer: @ base_address: 0x7efde008 process_identifier: 2764 process_handle: 0x00000280	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 Aug. 3, 2021, 4:44 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELjé`àXv @ À@PvKX H.text¤V X `.rsrcXZ@@.reloc `@B base_address: 0x00400000 process_identifier: 2764 process_handle: 0x00000280	1	1	0

File has been identified by 19 AntiVirus engines on VirusTotal as malicious (19 events)

Elastic	malicious (high confidence)
Cynet	Malicious (score: 100)
FireEye	Generic.mg.93e2f546bad5cebf
CAT-QuickHeal	Backdoor.Fynloski.A3
Cylance	Unsafe
Sangfor	Trojan.Win32.Save.a
CrowdStrike	win/malicious_confidence_70% (D)
Cyren	W32/MSIL_Kryptik.EXY.gen!Eldorado
Symantec	Scr.Malcode!gdn30
APEX	Malicious
Sophos	ML/PE-A
Ikarus	Trojan.MSIL.Crypt
Microsoft	Program:Win32/Wacapew.C!ml
BitDefenderTheta	Gen:NN.ZemsilF.34050.2m0@aCwPhHh
Malwarebytes	MachineLearning/Anomalous.100%
SentinelOne	Static AI - Malicious PE
MaxSecure	Trojan.Malware.300983.susgen
Fortinet	MSIL/Agent.GIQ!tr
Cybereason	malicious.787cef

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 2072 called NtSetContextThread to modify thread in remote process 2764
NtSetContextThread Aug. 3, 2021, 4:44 p.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421278 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x0000027c process_identifier: 2764	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 2072 resumed a thread in remote process 2764
NtResumeThread Aug. 3, 2021, 4:44 p.m.	thread_handle: 0x0000027c suspend_count: 1 process_identifier: 2764	1	0	0

Executed a process and injected code into it, probably while unpacking (27 events)

Time & API	Arguments	Status	Return
NtResumeThread Aug. 3, 2021, 4:43 p.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 2072	1	0
NtResumeThread Aug. 3, 2021, 4:43 p.m.	thread_handle: 0x00000150 suspend_count: 1 process_identifier: 2072	1	0
NtResumeThread Aug. 3, 2021, 4:43 p.m.	thread_handle: 0x0000018c suspend_count: 1 process_identifier: 2072	1	0
NtResumeThread Aug. 3, 2021, 4:44 p.m.	thread_handle: 0x00000260 suspend_count: 1 process_identifier: 2072	1	0
CreateProcessInternalW Aug. 3, 2021, 4:44 p.m.	thread_identifier: 2732 thread_handle: 0x00000268 process_identifier: 2728 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: 0x0000026c	1	1
NtGetContextThread Aug. 3, 2021, 4:44 p.m.	thread_handle: 0x00000268	1	0
NtAllocateVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2728 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: 0x0000026c		3221225496
CreateProcessInternalW Aug. 3, 2021, 4:44 p.m.	thread_identifier: 2768 thread_handle: 0x0000027c process_identifier: 2764 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: 0x00000280	1	1
NtGetContextThread Aug. 3, 2021, 4:44 p.m.	thread_handle: 0x0000027c	1	0
NtAllocateVirtualMemory Aug. 3, 2021, 4:44 p.m.	process_identifier: 2764 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: 0x00000280	1	0
WriteProcessMemory Aug. 3, 2021, 4:44 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELjé`àXv @ À@PvKX H.text¤V X `.rsrcXZ@@.reloc `@B base_address: 0x00400000 process_identifier: 2764 process_handle: 0x00000280	1	1
WriteProcessMemory Aug. 3, 2021, 4:44 p.m.	buffer: base_address: 0x00402000 process_identifier: 2764 process_handle: 0x00000280	1	1
WriteProcessMemory Aug. 3, 2021, 4:44 p.m.	buffer: 8Ph ÄhêÄ4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°$StringFileInfo000004b0,FileDescription 0FileVersion0.0.0.0x+InternalNameeuBTclcChqenwdaokXVwrIozGFGzLmkrbZatUQ.exe(LegalCopyright +OriginalFilenameeuBTclcChqenwdaokXVwrIozGFGzLmkrbZatUQ.exe4ProductVersion0.0.0.08Assembly Version0.0.0.0ï»¿<?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> base_address: 0x00438000 process_identifier: 2764 process_handle: 0x00000280	1	1
WriteProcessMemory Aug. 3, 2021, 4:44 p.m.	buffer: p 6 base_address: 0x0043a000 process_identifier: 2764 process_handle: 0x00000280	1	1
WriteProcessMemory Aug. 3, 2021, 4:44 p.m.	buffer: @ base_address: 0x7efde008 process_identifier: 2764 process_handle: 0x00000280	1	1
NtSetContextThread Aug. 3, 2021, 4:44 p.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421278 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x0000027c process_identifier: 2764	1	0
NtResumeThread Aug. 3, 2021, 4:44 p.m.	thread_handle: 0x0000027c suspend_count: 1 process_identifier: 2764	1	0
NtResumeThread Aug. 3, 2021, 4:44 p.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 2764	1	0
NtResumeThread Aug. 3, 2021, 4:44 p.m.	thread_handle: 0x0000014c suspend_count: 1 process_identifier: 2764	1	0
NtResumeThread Aug. 3, 2021, 4:44 p.m.	thread_handle: 0x00000188 suspend_count: 1 process_identifier: 2764	1	0
NtResumeThread Aug. 3, 2021, 4:44 p.m.	thread_handle: 0x00000314 suspend_count: 1 process_identifier: 2764	1	0
NtResumeThread Aug. 3, 2021, 4:44 p.m.	thread_handle: 0x00000334 suspend_count: 1 process_identifier: 2764	1	0
NtResumeThread Aug. 3, 2021, 4:44 p.m.	thread_handle: 0x00000398 suspend_count: 1 process_identifier: 2764	1	0
NtResumeThread Aug. 3, 2021, 4:44 p.m.	thread_handle: 0x00000410 suspend_count: 1 process_identifier: 2764	1	0
NtResumeThread Aug. 3, 2021, 4:44 p.m.	thread_handle: 0x0000033c suspend_count: 1 process_identifier: 2764	1	0
NtResumeThread Aug. 3, 2021, 4:44 p.m.	thread_handle: 0x00000404 suspend_count: 1 process_identifier: 2764	1	0
NtResumeThread Aug. 3, 2021, 4:45 p.m.	thread_handle: 0x00000404 suspend_count: 1 process_identifier: 2764	1	0

vbc.exe

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