2024-05-01_55cd9c686994a4242c34ecca8ce5ce1a_cobalt-strike_ryuk

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General

Target

2024-05-01_55cd9c686994a4242c34ecca8ce5ce1a_cobalt-strike_ryuk
Size

285KB
MD5

55cd9c686994a4242c34ecca8ce5ce1a
SHA1

f7215bd7b7f3e01075ce23932afae24eed536c8d
SHA256

955bd0b570fefca91f0acd81bd4e78c113008c9fd297624fbc815416f3cecdf2
SHA512

2a26f0934b2e2a2353bf925871ad06f8c77ad9bfe5c2ba902271ee70d88bcde6625657c501768af2509ce965fdd168f49842a708b564c2246e776808686d83fe
SSDEEP

3072:Ar0t4Mlcw/JwOmkh89liblAEceCxYOG+YcPNxxblBBg/mznVRoY4OZnTG/v886jW:Dt4Apmkh89lij4xYOZdF/Gooh6T0H

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-01_55cd9c686994a4242c34ecca8ce5ce1a_cobalt-strike_ryuk

Files

2024-05-01_55cd9c686994a4242c34ecca8ce5ce1a_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

12a75fecee8eed6819b24d40f6ac9f05

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

Imports

salvador

srAllocGltf
srAnimationPose
srBind
srBuffer
srBufferCpyS
srBufferLen
srDestroyRenderWire
srDestroyRenderer
srDestroyShader
srDraw
srFreeBuffer
srFreeGltf
srFreeImage
srFreeMaterial
srFreeTexture
srFreeWireObject
srImage
srInputKey
srInputUpdate
srLoadAnimationGltf
srLoadGltf
srLoadTexture
srLog
srProcFile
srRenderer
srSample
srShader
srWire
srWireObject
srWireObjects

sdl2

SDL_CreateWindow
SDL_DestroyWindow
SDL_Init
SDL_Quit
SDL_SetMainReady
SDL_ShowSimpleMessageBox
SDL_free
SDL_iconv_string
SDL_memcpy
SDL_strlen
SDL_wcslen

kernel32

CloseHandle
CreateEventW
CreateFileW
DecodePointer
DeleteCriticalSection
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetFileSizeEx
GetFileType
GetLastError
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetUserDefaultLCID
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
LocalFree
MultiByteToWideChar
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadConsoleW
ReadFile
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEvent
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WaitForSingleObjectEx
WideCharToMultiByte
WriteConsoleW
WriteFile

shell32

CommandLineToArgvW

Sections

.text
Size: 174KB - Virtual size: 174KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 83KB - Virtual size: 82KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 9KB - Virtual size: 9KB

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: 88B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.voltbl
Size: 512B - Virtual size: 60B

_RDATA
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

12a75fecee8eed6819b24d40f6ac9f05

Headers

DLL Characteristics

File Characteristics

Imports

salvador

sdl2

kernel32

shell32

Sections

.text Size: 174KB - Virtual size: 174KB

.rdata Size: 83KB - Virtual size: 82KB

.data Size: 5KB - Virtual size: 11KB

.pdata Size: 9KB - Virtual size: 9KB

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

.gehcont Size: 512B - Virtual size: 88B

.gxfg Size: 7KB - Virtual size: 7KB

.tls Size: 512B - Virtual size: 9B

.voltbl Size: 512B - Virtual size: 60B

_RDATA Size: 512B - Virtual size: 244B

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

.text
Size: 174KB - Virtual size: 174KB

.rdata
Size: 83KB - Virtual size: 82KB

.data
Size: 5KB - Virtual size: 11KB

.pdata
Size: 9KB - Virtual size: 9KB

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

.gehcont
Size: 512B - Virtual size: 88B

.gxfg
Size: 7KB - Virtual size: 7KB

.tls
Size: 512B - Virtual size: 9B

.voltbl
Size: 512B - Virtual size: 60B

_RDATA
Size: 512B - Virtual size: 244B

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