2024-04-30_3fe7195c17ff2822f44d4a68d85dc5b9_cobalt-strike_ryuk

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General

Target

2024-04-30_3fe7195c17ff2822f44d4a68d85dc5b9_cobalt-strike_ryuk
Size

521KB
MD5

3fe7195c17ff2822f44d4a68d85dc5b9
SHA1

ac3c31137e192a9042216eaeb3072cfa7ca93b8d
SHA256

b560ae439404a6952cdfa4dbb7b1dbe16ef454828642ba720f3953d55a3fbe98
SHA512

27766d89febc65e9251316d0f57f5c7a7d18049d94dbe0a5daeff5c18be9bbf0013d5959755f67480ded637654b8aac2c1c8f12ec63612bf769dbd77cff8c572
SSDEEP

6144:HNvhTTPF3Lh2PxdRJBJNJJgZND7DOkamf+KqLvgb26EKqJGCnqFHAaeO6zRlfCrW:5p1AXJgZl10L+CKqJ6HAaeOa+E

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-30_3fe7195c17ff2822f44d4a68d85dc5b9_cobalt-strike_ryuk

Files

2024-04-30_3fe7195c17ff2822f44d4a68d85dc5b9_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

7e92b114300bdf88ac7a77d93f4a67c0

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
AssignProcessToJobObject
CloseHandle
CompareStringW
CreateDirectoryW
CreateEventW
CreateFileMappingW
CreateFileW
CreateJobObjectW
CreateProcessW
DeleteCriticalSection
DuplicateHandle
EncodePointer
EnterCriticalSection
ExitProcess
ExpandEnvironmentStringsW
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetConsoleScreenBufferInfo
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesW
GetFileInformationByHandle
GetFileSizeEx
GetFileType
GetFinalPathNameByHandleW
GetLastError
GetLocaleInfoEx
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetProcessTimes
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemInfo
GetSystemTime
GetSystemTimeAsFileTime
GetVolumePathNameW
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
InitializeSRWLock
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
K32EnumProcessModulesEx
K32GetProcessMemoryInfo
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LocalFree
MapViewOfFile
MultiByteToWideChar
OutputDebugStringW
QueryPerformanceCounter
RaiseException
ReadFile
ReleaseSRWLockExclusive
ResetEvent
ResumeThread
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SearchPathW
SetConsoleCtrlHandler
SetConsoleTextAttribute
SetCurrentDirectoryW
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetFileTime
SetInformationJobObject
SetLastError
SetProcessAffinityMask
SetStdHandle
SetUnhandledExceptionFilter
SystemTimeToFileTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnmapViewOfFile
VirtualProtect
VirtualQuery
WaitForSingleObject
WaitForSingleObjectEx
WideCharToMultiByte
WriteConsoleW
WriteFile

advapi32

CryptAcquireContextW
CryptGenRandom
CryptReleaseContext
RegCloseKey
RegGetValueW
RegOpenKeyExA

Sections

.text
Size: 394KB - Virtual size: 394KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 95KB - Virtual size: 94KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 14KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 7KB - Virtual size: 6KB

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

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 1008B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

7e92b114300bdf88ac7a77d93f4a67c0

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

Sections

.text Size: 394KB - Virtual size: 394KB

.rdata Size: 95KB - Virtual size: 94KB

.data Size: 5KB - Virtual size: 15KB

.pdata Size: 14KB - Virtual size: 13KB

.gxfg Size: 7KB - Virtual size: 6KB

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

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 1024B - Virtual size: 1008B

.reloc Size: 3KB - Virtual size: 2KB

.text
Size: 394KB - Virtual size: 394KB

.rdata
Size: 95KB - Virtual size: 94KB

.data
Size: 5KB - Virtual size: 15KB

.pdata
Size: 14KB - Virtual size: 13KB

.gxfg
Size: 7KB - Virtual size: 6KB

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

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 1024B - Virtual size: 1008B

.reloc
Size: 3KB - Virtual size: 2KB