Behavioral task
behavioral1
Sample
838f766e74bd5a_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
838f766e74bd5a_JC.exe
Resource
win10v2004-20230703-en
General
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Target
838f766e74bd5a_JC.exe
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Size
143KB
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MD5
838f766e74bd5a85cc0610b523640107
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SHA1
5046c061bceb7334bf3a90cdc3bc66393475e7f1
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SHA256
261950b1a8197b72254709c747ed41dbf325aca95d608829fa65d2cf1be6aa2c
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SHA512
63e60f8319fa29894e66b51938429f5c8787513a9a84961d6eb3061fbc9276860bce9d3e43be94e44e453d8f4ea5564930c3be83cefafcdf21fcaf83af84247a
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SSDEEP
3072:o+HcL2YCf4TntqSQRruiMZMqqDL2/Awvd+7Vjp9:hgDtORruiMyqqDL6tvdEp9
Malware Config
Signatures
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GandCrab payload 1 IoCs
resource yara_rule sample family_gandcrab -
Gandcrab family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 838f766e74bd5a_JC.exe
Files
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838f766e74bd5a_JC.exe.exe windows x86
4b0a5cb1aa0992ea9901768198fd3e7e
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
VirtualProtect
ExitProcess
OpenProcess
Sleep
GetFileAttributesW
GetModuleFileNameW
CreateFileW
ExitThread
lstrlenW
GetLastError
GetProcAddress
CloseHandle
SetFilePointerEx
SetStdHandle
GetConsoleMode
GetConsoleCP
FlushFileBuffers
GetCommandLineA
SetLastError
GetCurrentThreadId
EncodePointer
DecodePointer
GetModuleHandleExW
MultiByteToWideChar
WideCharToMultiByte
GetProcessHeap
GetStdHandle
GetFileType
DeleteCriticalSection
GetStartupInfoW
GetModuleFileNameA
WriteFile
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetEnvironmentStringsW
FreeEnvironmentStringsW
IsDebuggerPresent
IsProcessorFeaturePresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
GetCurrentProcess
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetModuleHandleW
EnterCriticalSection
LeaveCriticalSection
HeapFree
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
LoadLibraryExW
OutputDebugStringW
HeapAlloc
HeapReAlloc
GetStringTypeW
HeapSize
LCMapStringW
WriteConsoleW
user32
MessageBoxW
ntdll
RtlUnwind
Sections
.text Size: 42KB - Virtual size: 41KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 18KB - Virtual size: 17KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 78KB - Virtual size: 85KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ