Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6402	July 15, 2021, 11:29 a.m.	July 15, 2021, 11:39 a.m.

Size	1.0MB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`7f2b563b83d45e66744954b67fc2a179`
SHA256	`c16b56274c65f209a4a7005b30bc15a4aac81c1eeed883c6a8c2bb8f64572d2d`
CRC32	`F978CCD2`
ssdeep	`24576:2Uy5Z9n/kf37RjWLj6JLGSDC+cul94Fj/zc263AsXs/8:c5Z9n/i3dWn61GSDCrul9u/Y263AsXs/`
Yara	IsPE32 - (no description) PE_Header_Zero - PE File Signature Generic_Malware_Zero - Generic Malware Is_DotNET_EXE - (no description) Admin_Tool_IN_Zero - Admin Tool Sysinternals

vbc.exe "C:\Users\test22\AppData\Local\Temp\vbc.exe"
2440
- vbc.exe "C:\Users\test22\AppData\Local\Temp\vbc.exe"
  2912

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
117.18.232.200	Active	Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Queries for the computername (4 events)

Time & API	Arguments	Status	Return
GetComputerNameW July 15, 2021, 11:30 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW July 15, 2021, 11:30 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW July 15, 2021, 11:30 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW July 15, 2021, 11:30 a.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 July 15, 2021, 11:29 a.m.			0	0
IsDebuggerPresent July 15, 2021, 11:29 a.m.			0	0
IsDebuggerPresent July 15, 2021, 11:30 a.m.			0	0
IsDebuggerPresent July 15, 2021, 11:30 a.m.			0	0

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

Time & API	Arguments	Status	Return
CryptExportKey July 15, 2021, 11:29 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00845cb0 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey July 15, 2021, 11:29 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00845cb0 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey July 15, 2021, 11:29 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00845cb0 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 July 15, 2021, 11:29 a.m.		1	1	0

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ July 15, 2021, 11:30 a.m.	stacktrace: 0x1fe17d0 0x1fe0ffb DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x74002652 DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x7401264f DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x74012e95 DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x740c74ec DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x740c7610 CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x74151dc4 CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x74151e67 CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x74151f7a _CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x7415416a _CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x746af5a3 CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x749b7f16 _CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x749b4de3 RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x77799ed2 RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x77799ea5 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: 0x1fe1c43 registers.esp: 4058496 registers.edi: 4058520 registers.eax: 0 registers.ebp: 4058532 registers.edx: 195 registers.ebx: 4058780 registers.esi: 38447604 registers.ecx: 0	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

July 15, 2021, 11:30 a.m.

stacktrace:

0x1fe17d0
0x1fe0ffb
DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x74002652
DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x7401264f
DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x74012e95
DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x740c74ec
DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x740c7610
CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x74151dc4
CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x74151e67
CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x74151f7a
_CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x7415416a
_CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x746af5a3
CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x749b7f16
_CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x749b4de3
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x77799ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x77799ea5

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: 0x1fe1c43
registers.esp: 4058496
registers.edi: 4058520
registers.eax: 0
registers.ebp: 4058532
registers.edx: 195
registers.ebx: 4058780
registers.esi: 38447604
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 72 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory July 15, 2021, 11:29 a.m.	process_identifier: 2440 region_size: 720896 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004b0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:29 a.m.	process_identifier: 2440 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00520000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory July 15, 2021, 11:29 a.m.	process_identifier: 2440 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x74081000 process_handle: 0xffffffff	1
NtProtectVirtualMemory July 15, 2021, 11:29 a.m.	process_identifier: 2440 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x74082000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:29 a.m.	process_identifier: 2440 region_size: 655360 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00610000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:29 a.m.	process_identifier: 2440 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
NtAllocateVirtualMemory July 15, 2021, 11:29 a.m.	process_identifier: 2440 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004b2000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:29 a.m.	process_identifier: 2440 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004e5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:29 a.m.	process_identifier: 2440 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004eb000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:29 a.m.	process_identifier: 2440 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004e7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:29 a.m.	process_identifier: 2440 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004cc000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:29 a.m.	process_identifier: 2440 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006c0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:29 a.m.	process_identifier: 2440 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004ba000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:29 a.m.	process_identifier: 2440 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004da000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:29 a.m.	process_identifier: 2440 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004d7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:29 a.m.	process_identifier: 2440 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004ca000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:29 a.m.	process_identifier: 2440 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 July 15, 2021, 11:29 a.m.	process_identifier: 2440 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 July 15, 2021, 11:29 a.m.	process_identifier: 2440 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 July 15, 2021, 11:29 a.m.	process_identifier: 2440 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 July 15, 2021, 11:29 a.m.	process_identifier: 2440 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 July 15, 2021, 11:29 a.m.	process_identifier: 2440 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 July 15, 2021, 11:29 a.m.	process_identifier: 2440 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006c1000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:29 a.m.	process_identifier: 2440 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006c2000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:29 a.m.	process_identifier: 2440 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004bc000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:29 a.m.	process_identifier: 2440 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004d6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:29 a.m.	process_identifier: 2440 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006c3000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory July 15, 2021, 11:30 a.m.	process_identifier: 2440 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x703c2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:30 a.m.	process_identifier: 2440 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004cd000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:30 a.m.	process_identifier: 2440 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004ce000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:30 a.m.	process_identifier: 2440 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006c4000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:30 a.m.	process_identifier: 2440 region_size: 24576 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006c5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:30 a.m.	process_identifier: 2440 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006cb000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:30 a.m.	process_identifier: 2440 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05030000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:30 a.m.	process_identifier: 2440 region_size: 20480 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05031000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:30 a.m.	process_identifier: 2440 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05036000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:30 a.m.	process_identifier: 2440 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05037000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:30 a.m.	process_identifier: 2440 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05038000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:30 a.m.	process_identifier: 2440 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05039000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:30 a.m.	process_identifier: 2912 region_size: 589824 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00640000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:30 a.m.	process_identifier: 2912 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00690000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory July 15, 2021, 11:30 a.m.	process_identifier: 2912 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x74001000 process_handle: 0xffffffff	1
NtProtectVirtualMemory July 15, 2021, 11:30 a.m.	process_identifier: 2912 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x74002000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:30 a.m.	process_identifier: 2912 region_size: 2162688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02080000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:30 a.m.	process_identifier: 2912 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02250000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:30 a.m.	process_identifier: 2912 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00682000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:30 a.m.	process_identifier: 2912 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006f5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:30 a.m.	process_identifier: 2912 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006fb000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:30 a.m.	process_identifier: 2912 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006f7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 15, 2021, 11:30 a.m.	process_identifier: 2912 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006dc000 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'0x000f9400', u'virtual_address': u'0x00002000', u'entropy': 7.588090874380394, u'name': u'.text', u'virtual_size': u'0x000f93e8'}

entropy

7.58809087438

description

A section with a high entropy has been found

entropy

0.935710933834

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 July 15, 2021, 11:30 a.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

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

host

117.18.232.200

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

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory July 15, 2021, 11:30 a.m.	process_identifier: 2912 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: 0x0000024c	1	0	0

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

Time & API	Arguments	Status	Return	Repeated
NtQuerySystemInformation July 15, 2021, 11:30 a.m.	information_class: 8 (SystemProcessorPerformanceInformation)	1	0	0

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

description

vbc.exe tried to sleep 8184633 seconds, actually delayed analysis time by 8184633 seconds

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

Time & API	Arguments	Status	Return
WriteProcessMemory July 15, 2021, 11:30 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELjé`àXv @ À@PvKX H.text¤V X `.rsrcXZ@@.reloc `@B base_address: 0x00400000 process_identifier: 2912 process_handle: 0x0000024c	1	1
WriteProcessMemory July 15, 2021, 11:30 a.m.	buffer: 8Ph ÄhêÄ4VS_VERSION_INFO½ïþ?DVarFileInfo$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: 2912 process_handle: 0x0000024c	1	1
WriteProcessMemory July 15, 2021, 11:30 a.m.	buffer: p 6 base_address: 0x0043a000 process_identifier: 2912 process_handle: 0x0000024c	1	1
WriteProcessMemory July 15, 2021, 11:30 a.m.	buffer: @ base_address: 0x7efde008 process_identifier: 2912 process_handle: 0x0000024c	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 July 15, 2021, 11:30 a.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: 2912 process_handle: 0x0000024c	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 2440 called NtSetContextThread to modify thread in remote process 2912
NtSetContextThread July 15, 2021, 11:30 a.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: 0x00000244 process_identifier: 2912	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 2440 resumed a thread in remote process 2912
NtResumeThread July 15, 2021, 11:30 a.m.	thread_handle: 0x00000244 suspend_count: 1 process_identifier: 2912	1	0	0

File has been identified by 23 AntiVirus engines on VirusTotal as malicious (23 events)

Elastic	malicious (high confidence)
FireEye	Generic.mg.7f2b563b83d45e66
Cylance	Unsafe
Cybereason	malicious.3b0844
Symantec	Trojan.Gen.2
ESET-NOD32	a variant of MSIL/GenKryptik.FHOC
APEX	Malicious
Paloalto	generic.ml
Kaspersky	UDS:DangerousObject.Multi.Generic
Avast	Win32:PWSX-gen [Trj]
Sophos	ML/PE-A
McAfee-GW-Edition	Artemis!Trojan
SentinelOne	Static AI - Malicious PE
Microsoft	Trojan:MSIL/AgentTesla.IU!MTB
AhnLab-V3	Malware/Win32.RL_Generic.R357253
McAfee	AgentTesla-FDAH!7F2B563B83D4
Malwarebytes	MachineLearning/Anomalous.94%
MaxSecure	Trojan.Malware.300983.susgen
Fortinet	MSIL/Kryptik.DLO!tr
BitDefenderTheta	Gen:NN.ZemsilF.34796.cn0@aCyv3Zo
AVG	Win32:PWSX-gen [Trj]
CrowdStrike	win/malicious_confidence_90% (W)
Qihoo-360	Win32/Heur.Generic.HwMAlpsA

Connects to an IP address that is no longer responding to requests (legitimate services will remain up-and-running usually) (1 event)

dead_host

192.168.56.102:49183

Executed a process and injected code into it, probably while unpacking (23 events)

Time & API	Arguments	Status	Return
NtResumeThread July 15, 2021, 11:29 a.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 2440	1	0
NtResumeThread July 15, 2021, 11:29 a.m.	thread_handle: 0x00000150 suspend_count: 1 process_identifier: 2440	1	0
NtResumeThread July 15, 2021, 11:29 a.m.	thread_handle: 0x0000018c suspend_count: 1 process_identifier: 2440	1	0
CreateProcessInternalW July 15, 2021, 11:30 a.m.	thread_identifier: 2916 thread_handle: 0x00000244 process_identifier: 2912 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: 0x0000024c	1	1
NtGetContextThread July 15, 2021, 11:30 a.m.	thread_handle: 0x00000244	1	0
NtAllocateVirtualMemory July 15, 2021, 11:30 a.m.	process_identifier: 2912 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: 0x0000024c	1	0
WriteProcessMemory July 15, 2021, 11:30 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELjé`àXv @ À@PvKX H.text¤V X `.rsrcXZ@@.reloc `@B base_address: 0x00400000 process_identifier: 2912 process_handle: 0x0000024c	1	1
NtResumeThread July 15, 2021, 11:30 a.m.	thread_handle: 0x00000260 suspend_count: 1 process_identifier: 2440	1	0
WriteProcessMemory July 15, 2021, 11:30 a.m.	buffer: base_address: 0x00402000 process_identifier: 2912 process_handle: 0x0000024c	1	1
WriteProcessMemory July 15, 2021, 11:30 a.m.	buffer: 8Ph ÄhêÄ4VS_VERSION_INFO½ïþ?DVarFileInfo$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: 2912 process_handle: 0x0000024c	1	1
WriteProcessMemory July 15, 2021, 11:30 a.m.	buffer: p 6 base_address: 0x0043a000 process_identifier: 2912 process_handle: 0x0000024c	1	1
WriteProcessMemory July 15, 2021, 11:30 a.m.	buffer: @ base_address: 0x7efde008 process_identifier: 2912 process_handle: 0x0000024c	1	1
NtSetContextThread July 15, 2021, 11:30 a.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: 0x00000244 process_identifier: 2912	1	0
NtResumeThread July 15, 2021, 11:30 a.m.	thread_handle: 0x00000244 suspend_count: 1 process_identifier: 2912	1	0
NtResumeThread July 15, 2021, 11:30 a.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 2912	1	0
NtResumeThread July 15, 2021, 11:30 a.m.	thread_handle: 0x00000154 suspend_count: 1 process_identifier: 2912	1	0
NtResumeThread July 15, 2021, 11:30 a.m.	thread_handle: 0x00000198 suspend_count: 1 process_identifier: 2912	1	0
NtResumeThread July 15, 2021, 11:30 a.m.	thread_handle: 0x00000314 suspend_count: 1 process_identifier: 2912	1	0
NtResumeThread July 15, 2021, 11:30 a.m.	thread_handle: 0x00000334 suspend_count: 1 process_identifier: 2912	1	0
NtResumeThread July 15, 2021, 11:30 a.m.	thread_handle: 0x00000398 suspend_count: 1 process_identifier: 2912	1	0
NtResumeThread July 15, 2021, 11:30 a.m.	thread_handle: 0x00000410 suspend_count: 1 process_identifier: 2912	1	0
NtResumeThread July 15, 2021, 11:30 a.m.	thread_handle: 0x00000354 suspend_count: 1 process_identifier: 2912	1	0
NtResumeThread July 15, 2021, 11:30 a.m.	thread_handle: 0x00000404 suspend_count: 1 process_identifier: 2912	1	0

vbc.exe

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