Behavioral task
behavioral1
Sample
2024-05-22_b42463a0b93320d67de4e4b451d7cd00_bkransomware_gandcrab_karagany.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-22_b42463a0b93320d67de4e4b451d7cd00_bkransomware_gandcrab_karagany.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-22_b42463a0b93320d67de4e4b451d7cd00_bkransomware_gandcrab_karagany
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Size
143KB
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MD5
b42463a0b93320d67de4e4b451d7cd00
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SHA1
0a2216f363d8ef8317195a10865902742e6f736c
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SHA256
b0da92d7092d1d96035471a0df5369aee80ea48b5cf24baccf37038ad40fb473
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SHA512
f3a5b484f22b3d07a02d61ef500011f158aed725e5e5acb2529edb26aa8aded852833413d0a2512202d6ba367f5fe9cc4b6efcf708a4ddfc7fc385791c9eb1a7
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SSDEEP
3072:o+HcL2ICfaTntqSQRruiMZMqqDL2/AwvdP7Vjp9:hCDtORruiMyqqDL6tvdFp9
Malware Config
Signatures
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Detects Reflective DLL injection artifacts 1 IoCs
Processes:
resource yara_rule sample INDICATOR_SUSPICIOUS_ReflectiveLoader -
Detects ransomware indicator 1 IoCs
Processes:
resource yara_rule sample SUSP_RANSOMWARE_Indicator_Jul20 -
GandCrab payload 1 IoCs
Processes:
resource yara_rule sample family_gandcrab -
Gandcrab Payload 1 IoCs
Processes:
resource yara_rule sample Gandcrab -
Gandcrab family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource 2024-05-22_b42463a0b93320d67de4e4b451d7cd00_bkransomware_gandcrab_karagany
Files
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2024-05-22_b42463a0b93320d67de4e4b451d7cd00_bkransomware_gandcrab_karagany.exe windows:5 windows x86 arch: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