2024-05-25_fafa14c80d6b2eaaccb8b615585ae4c2_cobalt-strike_ryuk

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General

Target

2024-05-25_fafa14c80d6b2eaaccb8b615585ae4c2_cobalt-strike_ryuk
Size

527KB
MD5

fafa14c80d6b2eaaccb8b615585ae4c2
SHA1

107c111ffb77cf56389b7cfc6d06dd4b5476af42
SHA256

35acb3af9805b03d9d9dae3fd36a45a6a1431f527869955be547ff98e9f2d585
SHA512

70afd8db6b058d84422638c6701a838fd636c2c19b2be06a620474cce47aad3746f691527379ed4af5813df44b7b0f436db640da130c7a7bcc611acd38c23011
SSDEEP

12288:dSaD2MBuiY1Gv7s/rHod/oab7WENw/Y7:waZBuiYsyHmbJ7

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-25_fafa14c80d6b2eaaccb8b615585ae4c2_cobalt-strike_ryuk

Files

2024-05-25_fafa14c80d6b2eaaccb8b615585ae4c2_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

238a28cb6e9eeada6be89570a56739c8

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

kernel32

CloseHandle
CompareStringW
CreateFileW
CreateMutexW
CreatePipe
DeleteCriticalSection
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlushFileBuffers
FreeConsole
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetFileType
GetLastError
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetUserDefaultLCID
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringW
LeaveCriticalSection
LoadLibraryA
LoadLibraryExW
MultiByteToWideChar
Process32FirstW
Process32NextW
QueryPerformanceCounter
RaiseException
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwindEx
RtlVirtualUnwind
SetEnvironmentVariableW
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WaitForSingleObject
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrlenW

wininet

InternetCloseHandle

Sections

.text
Size: 457KB - Virtual size: 457KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 51KB - Virtual size: 51KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 59KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 6KB - Virtual size: 6KB

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: 52B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.voltbl
Size: 512B - Virtual size: 48B

_RDATA
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 424B

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

238a28cb6e9eeada6be89570a56739c8

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

wininet

Sections

.text Size: 457KB - Virtual size: 457KB

.rdata Size: 51KB - Virtual size: 51KB

.data Size: 3KB - Virtual size: 59KB

.pdata Size: 6KB - Virtual size: 6KB

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

.gehcont Size: 512B - Virtual size: 52B

.voltbl Size: 512B - Virtual size: 48B

_RDATA Size: 512B - Virtual size: 244B

.rsrc Size: 512B - Virtual size: 424B

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

.text
Size: 457KB - Virtual size: 457KB

.rdata
Size: 51KB - Virtual size: 51KB

.data
Size: 3KB - Virtual size: 59KB

.pdata
Size: 6KB - Virtual size: 6KB

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

.gehcont
Size: 512B - Virtual size: 52B

.voltbl
Size: 512B - Virtual size: 48B

_RDATA
Size: 512B - Virtual size: 244B

.rsrc
Size: 512B - Virtual size: 424B

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