2024-05-24_43938427ebbe7c8ab8da34ad92094b9d_cobalt-strike_ryuk

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General

Target

2024-05-24_43938427ebbe7c8ab8da34ad92094b9d_cobalt-strike_ryuk
Size

123KB
MD5

43938427ebbe7c8ab8da34ad92094b9d
SHA1

d8021b9fb8a6a0a4ddb66ca56c253e01fe3c2894
SHA256

5a6cda22ac874e16af330fd06bcff12e39c39a924f8d30f97d82383858e101dc
SHA512

ce1ea042c66a83a683a4062a3abc8bc964ece4d4c618bcdf5cef9d258aadec69795111974b602c958048a3bcde78b8cfaa136b7f6815b735eb9876f349e5bf17
SSDEEP

3072:W2VM3hdpE4wbEJw3MYoArPW4Hi8VaNwJZ:FMRdpry46reHW

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-24_43938427ebbe7c8ab8da34ad92094b9d_cobalt-strike_ryuk

Files

2024-05-24_43938427ebbe7c8ab8da34ad92094b9d_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

6ad28cbd5f1ed61b02d094f5e8f01326

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

CloseHandle
CompareStringW
CreateFileW
DeleteCriticalSection
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetFileSizeEx
GetFileType
GetLastError
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
MultiByteToWideChar
QueryPerformanceCounter
RaiseException
RtlCaptureContext
RtlLookupFunctionEntry
RtlUnwindEx
RtlVirtualUnwind
SetEnvironmentVariableW
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WideCharToMultiByte
WriteConsoleW
WriteFile

Sections

.text
Size: 70KB - Virtual size: 69KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 41KB - Virtual size: 40KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 40B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.voltbl
Size: 512B - Virtual size: 42B

_RDATA
Size: 512B - Virtual size: 252B

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

Sharing

General

Malware Config

Signatures

Files

6ad28cbd5f1ed61b02d094f5e8f01326

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 70KB - Virtual size: 69KB

.rdata Size: 41KB - Virtual size: 40KB

.data Size: 3KB - Virtual size: 7KB

.pdata Size: 4KB - Virtual size: 4KB

.00cfg Size: 512B - Virtual size: 40B

.voltbl Size: 512B - Virtual size: 42B

_RDATA Size: 512B - Virtual size: 252B

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 70KB - Virtual size: 69KB

.rdata
Size: 41KB - Virtual size: 40KB

.data
Size: 3KB - Virtual size: 7KB

.pdata
Size: 4KB - Virtual size: 4KB

.00cfg
Size: 512B - Virtual size: 40B

.voltbl
Size: 512B - Virtual size: 42B

_RDATA
Size: 512B - Virtual size: 252B

.reloc
Size: 2KB - Virtual size: 1KB