C:\Users\86178\Desktop\part2\x64\part2.pdb
Behavioral task
behavioral1
Sample
2025-01-25_1af4d13853990b4af4541d7069707e9a_cobalt-strike_ryuk.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2025-01-25_1af4d13853990b4af4541d7069707e9a_cobalt-strike_ryuk.exe
Resource
win10v2004-20241007-en
General
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Target
2025-01-25_1af4d13853990b4af4541d7069707e9a_cobalt-strike_ryuk
-
Size
268KB
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MD5
1af4d13853990b4af4541d7069707e9a
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SHA1
8a088b05a0f4c355a329160a48c218bd898126c7
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SHA256
55c287e14c7b05ec626d04582b2343f0e266618d48ee03012430c192bb4483f7
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SHA512
be7200decf9098e608adf063aedd6e14b3fe87a47220fd7f1da6ba0183cc53b40014a8d574f09060f943b54c7acdc317c9bd89ca1419e8308c67dca6334d47e3
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SSDEEP
6144:j5c15ootH4w3wAp0KRdCyDFFEkh0CMsAZ:lcLo6VJpxRPLxM
Malware Config
Signatures
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Mimikatz family
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mimikatz is an open source tool to dump credentials on Windows 1 IoCs
resource yara_rule sample mimikatz -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2025-01-25_1af4d13853990b4af4541d7069707e9a_cobalt-strike_ryuk
Files
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2025-01-25_1af4d13853990b4af4541d7069707e9a_cobalt-strike_ryuk.exe windows:6 windows x64 arch:x64
8fba893877302faf3ab020ca4eb73683
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
PDB Paths
Imports
advapi32
A_SHAFinal
A_SHAInit
A_SHAUpdate
ConvertSidToStringSidW
IsTextUnicode
user32
CharLowerW
IsCharAlphaNumericW
ntdll
RtlEqualString
RtlGetCurrentPeb
RtlGetNtVersionNumbers
RtlInitUnicodeString
bcrypt
BCryptCloseAlgorithmProvider
BCryptDecrypt
BCryptDestroyKey
BCryptEncrypt
BCryptGenerateSymmetricKey
BCryptGetProperty
BCryptOpenAlgorithmProvider
BCryptSetProperty
ole32
CoInitializeEx
msasn1
ASN1_CloseDecoder
ASN1_CloseEncoder
ASN1_CloseModule
ASN1_CreateDecoder
ASN1_CreateEncoder
ASN1_CreateModule
kernel32
CloseHandle
CompareStringW
CreateFileMappingW
CreateFileW
DeleteCriticalSection
EnterCriticalSection
ExitProcess
ExitThread
FindClose
FindFirstFileExW
FindNextFileW
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetFileSizeEx
GetFileType
GetLastError
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
LocalAlloc
LocalFree
MapViewOfFile
MultiByteToWideChar
OutputDebugStringW
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
RtlCaptureContext
RtlLookupFunctionEntry
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetConsoleOutputCP
SetEndOfFile
SetEnvironmentVariableW
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
UnmapViewOfFile
WideCharToMultiByte
WriteConsoleW
WriteFile
Sections
.text Size: 201KB - Virtual size: 201KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 50KB - Virtual size: 50KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.00cfg Size: 512B - Virtual size: 40B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gehcont Size: 512B - Virtual size: 32B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.voltbl Size: 512B - Virtual size: 42B
_RDATA Size: 512B - Virtual size: 244B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 1024B - Virtual size: 608B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ