Behavioral task
behavioral1
Sample
b4d1d7142ce35b_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
b4d1d7142ce35b_JC.exe
Resource
win10v2004-20230703-en
General
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Target
b4d1d7142ce35b_JC.exe
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Size
143KB
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MD5
b4d1d7142ce35b2ef2624d48dda8ca78
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SHA1
daa2b1c955720b2e7f5bbc249bd65c8139e0123f
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SHA256
bba953f23ef37efa88b6c44c5549708babe71e82f6b5df40397f044b1322554c
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SHA512
ffe3c4c89cc4954561a3773d8c13856b3e271e9be421a822e664b8ffd6c7aa63e23b2cb5cc488ea704b74702aa2213cced9cce6ed5f5c7cb29dd048a2588724a
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SSDEEP
3072:o+HcL2OCfmTntqSQRruiMZMqqDL2/AwvdV7Vjp9:hEDtORruiMyqqDL6tvd3p9
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 b4d1d7142ce35b_JC.exe
Files
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b4d1d7142ce35b_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