2024-07-27_2ac58f0e173b64c1c7602bbd56423066_cobalt-strike_ryuk

Sharing

Copy URL Twitter E-mail

General

Target

2024-07-27_2ac58f0e173b64c1c7602bbd56423066_cobalt-strike_ryuk
Size

1.1MB
MD5

2ac58f0e173b64c1c7602bbd56423066
SHA1

e03510642d0c5603f4dabbecdfb83b4811eed6e1
SHA256

7b8a1a0c0708eed824688acaf8827b7fa4bdafb100667235d4baf5d16d6bf7d5
SHA512

9dc4c24a472b24af9e248050d23fca1637a070037ad02c2981bd313aeca9b9b12c037ff6d143469e8afd69711021df2dc3c14ae0b0d51ba30d8013bb8c45847a
SSDEEP

12288:VYPnQOve8BswFG02WBtalASkTdpQcxXPd2zjy//f/b51ycCEtifrA7X2Mg4FuNCy:SUuxpXdSj83/bycCY7xUNC+pAmy

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-07-27_2ac58f0e173b64c1c7602bbd56423066_cobalt-strike_ryuk

Files

2024-07-27_2ac58f0e173b64c1c7602bbd56423066_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

7487a0b85da429b7b4d6b97e198fb997

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

AcquireSRWLockExclusive
CloseHandle
CompareStringW
CreateFileW
DecodePointer
DeleteCriticalSection
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetDriveTypeW
GetEnvironmentStringsW
GetFileInformationByHandle
GetFileSizeEx
GetFileType
GetFullPathNameW
GetLastError
GetLocaleInfoW
GetModuleFileNameA
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetTimeZoneInformation
GetUserDefaultLCID
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
MultiByteToWideChar
PeekNamedPipe
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEndOfFile
SetEnvironmentVariableW
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
SleepConditionVariableSRW
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WakeAllConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

user32

CreateWindowExW
GetClipboardFormatNameW
RegisterClassW
RegisterClipboardFormatW
UpdateWindow

ole32

CoTaskMemAlloc

Sections

.text
Size: 796KB - Virtual size: 795KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 63KB - Virtual size: 63KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 167KB - Virtual size: 176KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 12KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 140B

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 500B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 43KB - Virtual size: 42KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

7487a0b85da429b7b4d6b97e198fb997

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

ole32

Sections

.text Size: 796KB - Virtual size: 795KB

.rdata Size: 63KB - Virtual size: 63KB

.data Size: 167KB - Virtual size: 176KB

.pdata Size: 12KB - Virtual size: 11KB

.00cfg Size: 512B - Virtual size: 56B

.gxfg Size: 8KB - Virtual size: 7KB

.retplne Size: 512B - Virtual size: 140B

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

_RDATA Size: 512B - Virtual size: 500B

.rsrc Size: 6KB - Virtual size: 5KB

.reloc Size: 43KB - Virtual size: 42KB

.text
Size: 796KB - Virtual size: 795KB

.rdata
Size: 63KB - Virtual size: 63KB

.data
Size: 167KB - Virtual size: 176KB

.pdata
Size: 12KB - Virtual size: 11KB

.00cfg
Size: 512B - Virtual size: 56B

.gxfg
Size: 8KB - Virtual size: 7KB

.retplne
Size: 512B - Virtual size: 140B

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

_RDATA
Size: 512B - Virtual size: 500B

.rsrc
Size: 6KB - Virtual size: 5KB

.reloc
Size: 43KB - Virtual size: 42KB