2024-09-06_b1ef49057400e672657d4121eeb4c0f5_cobalt-strike_ryuk

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General

Target

2024-09-06_b1ef49057400e672657d4121eeb4c0f5_cobalt-strike_ryuk
Size

3.3MB
MD5

b1ef49057400e672657d4121eeb4c0f5
SHA1

34468bd47457bb174a551bb69972b1b6d496827c
SHA256

f6985a078168c68d1ed0cd073be208ba83a54acc206bfe79e34790c32f7c45ec
SHA512

01dea72aec8b636bfe6d340ed7326dfeb13a2934ef6de476c01a8724c1c0dbc793bccabc2c2afeacea64cd23710c3c708c4308f8e73b1556f8b518d27eaa3282
SSDEEP

49152:gDjImAz+GxAxAsB708KTqPGSrW6aaewiPoZMMNovPRDBXENrldf2UojoeeRXTGaI:gDc+GxAX708xGSrRMNPNGyXorV2cOtw

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-09-06_b1ef49057400e672657d4121eeb4c0f5_cobalt-strike_ryuk

Files

2024-09-06_b1ef49057400e672657d4121eeb4c0f5_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

f1cdd93c2ad2c1fc7abc633f3c12cea5

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

PDB Paths

C:\Users\ntoskrnl\source\repos\llvm-loader\x64\Release\llvm-loader.pdb

Imports

user32

AdjustWindowRectEx
BringWindowToTop
ClientToScreen
CloseClipboard
CreateWindowExA
DefWindowProcA
DefWindowProcW
DestroyWindow
DispatchMessageW
EmptyClipboard
EnumDisplayMonitors
FindWindowA
GetCapture
GetClientRect
GetClipboardData
GetCursorPos
GetDC
GetForegroundWindow
GetKeyState
GetKeyboardLayout
GetMessageExtraInfo
GetMonitorInfoA
GetPropA
GetWindowLongW
IsChild
IsIconic
IsWindowUnicode
LoadCursorA
MonitorFromWindow
OpenClipboard
PeekMessageW
PostQuitMessage
RegisterClassExA
ReleaseCapture
ReleaseDC
ScreenToClient
SetCapture
SetClipboardData
SetCursor
SetCursorPos
SetFocus
SetForegroundWindow
SetLayeredWindowAttributes
SetPropA
SetWindowLongA
SetWindowLongPtrA
SetWindowLongW
SetWindowPos
SetWindowTextW
ShowWindow
TrackMouseEvent
UnregisterClassA
WindowFromPoint

d3d9

Direct3DCreate9

ole32

CoCreateInstance
CoInitializeEx
CoInitializeSecurity
CoSetProxyBlanket
CoUninitialize

oleaut32

SysAllocString
SysFreeString
VariantClear

kernel32

CloseHandle
CompareStringW
CreateEventW
CreateFileW
CreateIoCompletionPort
CreateThread
DecodePointer
DeleteCriticalSection
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetFileSizeEx
GetFileType
GetLastError
GetLocaleInfoA
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetQueuedCompletionStatus
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetUserDefaultLCID
GetVolumeInformationA
GlobalAlloc
GlobalFree
GlobalLock
GlobalUnlock
HeapAlloc
HeapFree
HeapQueryInformation
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringEx
LCMapStringW
LeaveCriticalSection
LoadLibraryA
LoadLibraryExW
LocalFree
MultiByteToWideChar
PostQueuedCompletionStatus
QueryPerformanceCounter
QueryPerformanceFrequency
QueueUserAPC
RaiseException
ReadConsoleW
ReadFile
ResetEvent
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
SetWaitableTimer
Sleep
SleepEx
TerminateProcess
TerminateThread
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
VirtualAlloc
VirtualFree
VirtualProtect
WaitForMultipleObjects
WaitForSingleObject
WaitForSingleObjectEx
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrlenW

advapi32

GetCurrentHwProfileA

ntdll

NtAdjustPrivilegesToken
NtClose
NtCreateFile
NtCreateKey
NtDeleteKey
NtDeviceIoControlFile
NtLoadDriver
NtOpenFile
NtOpenKeyEx
NtOpenProcessToken
NtOpenThreadToken
NtQuerySystemInformation
NtSetInformationFile
NtSetValueKey
NtUnloadDriver
NtWaitForSingleObject
NtWriteFile
RtlCaptureContext
RtlInitUnicodeString
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwindEx
RtlVirtualUnwind
VerSetConditionMask

gdi32

GetDeviceCaps

ws2_32

WSACleanup
WSAGetLastError
WSARecv
WSASend
WSASetLastError
WSASocketW
WSAStartup
closesocket
connect
freeaddrinfo
getaddrinfo
getsockopt
ioctlsocket
select
setsockopt

imm32

ImmGetContext
ImmReleaseContext
ImmSetCandidateWindow
ImmSetCompositionWindow

Sections

.text
Size: 3.0MB - Virtual size: 3.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 209KB - Virtual size: 208KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 42KB - Virtual size: 132KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 40KB - Virtual size: 39KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.fptable
Size: 512B - Virtual size: 256B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.retplne
Size: 512B - Virtual size: 200B

.tls
Size: 512B - Virtual size: 21B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.voltbl
Size: 512B - Virtual size: 102B

_RDATA
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 432B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f1cdd93c2ad2c1fc7abc633f3c12cea5

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

user32

d3d9

ole32

oleaut32

kernel32

advapi32

ntdll

gdi32

ws2_32

imm32

Sections

.text Size: 3.0MB - Virtual size: 3.0MB

.rdata Size: 209KB - Virtual size: 208KB

.data Size: 42KB - Virtual size: 132KB

.pdata Size: 40KB - Virtual size: 39KB

.00cfg Size: 512B - Virtual size: 48B

.fptable Size: 512B - Virtual size: 256B

.retplne Size: 512B - Virtual size: 200B

.tls Size: 512B - Virtual size: 21B

.voltbl Size: 512B - Virtual size: 102B

_RDATA Size: 512B - Virtual size: 244B

.rsrc Size: 512B - Virtual size: 432B

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

.text
Size: 3.0MB - Virtual size: 3.0MB

.rdata
Size: 209KB - Virtual size: 208KB

.data
Size: 42KB - Virtual size: 132KB

.pdata
Size: 40KB - Virtual size: 39KB

.00cfg
Size: 512B - Virtual size: 48B

.fptable
Size: 512B - Virtual size: 256B

.retplne
Size: 512B - Virtual size: 200B

.tls
Size: 512B - Virtual size: 21B

.voltbl
Size: 512B - Virtual size: 102B

_RDATA
Size: 512B - Virtual size: 244B

.rsrc
Size: 512B - Virtual size: 432B

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