2024-06-02_2de38b0fd581c0b70bee982f9c25fc7c_cobalt-strike_lockbit

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General

Target

2024-06-02_2de38b0fd581c0b70bee982f9c25fc7c_cobalt-strike_lockbit
Size

449KB
MD5

2de38b0fd581c0b70bee982f9c25fc7c
SHA1

eda6923a0c07f38e6ad5d669aa4a2e589a08816a
SHA256

5680a5bb772138ed916d6b50665b5387f40103c23b5a993214bce459f7248f83
SHA512

ef532cc0b426c44cad144ef3bf0dfa93450632d880d6f66ae7cdce15af353cab6b649b0389202a5639bdd33ca88caccb1a7a2af8ef0bb998e41b451b8455969f
SSDEEP

6144:47F7M93Mmy1DUy5KFoP3ZDBtTI7ZGv9X6sB9Pv66mN1xQol0XAD35m0ampO83rvI:4SVM51qFkZfB/mN1eKQG5+YVG

Score

10^/10

Malware Config

Signatures

Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 1 IoCs

resource	yara_rule
sample	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-02_2de38b0fd581c0b70bee982f9c25fc7c_cobalt-strike_lockbit

Files

2024-06-02_2de38b0fd581c0b70bee982f9c25fc7c_cobalt-strike_lockbit
.exe windows:5 windows x64 arch:x64

dcad9ef05274e39540d32c7da87828f7

Headers

DLL Characteristics

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

ResetEvent
CreateEventW
CancelIo
TryEnterCriticalSection
SetWaitableTimer
CreateWaitableTimerW
GetCurrentProcess
GetProcessHeap
OpenProcess
GetModuleFileNameW
GetCurrentProcessId
LocalFree
GetThreadContext
SetThreadContext
GetExitCodeProcess
CreateProcessA
GetSystemDirectoryA
VirtualAllocEx
WriteProcessMemory
ResumeThread
FreeLibrary
GetProcAddress
VirtualProtect
FindFirstFileW
SetUnhandledExceptionFilter
SystemTimeToFileTime
GlobalSize
CreateDirectoryW
GlobalLock
lstrlenW
GlobalAlloc
LoadLibraryW
GetConsoleWindow
FileTimeToSystemTime
CreateFileW
lstrcmpW
GlobalUnlock
GlobalFree
FindClose
GetLocalTime
RemoveDirectoryW
IsDebuggerPresent
FindNextFileW
GetFileTime
DeleteFileW
GetSystemTime
SetFileAttributesW
CreateThread
HeapSize
EncodePointer
DecodePointer
InitializeCriticalSection
ExitThread
SetEndOfFile
WriteConsoleW
SetStdHandle
IsValidLocale
EnumSystemLocalesA
GetLocaleInfoA
GetUserDefaultLCID
GetSystemTimeAsFileTime
GetTickCount
QueryPerformanceCounter
WideCharToMultiByte
SetLastError
SwitchToThread
GetCurrentThreadId
CloseHandle
GetLastError
CreateEventA
SetEvent
Sleep
WaitForSingleObject
DeleteCriticalSection
EnterCriticalSection
HeapCreate
LeaveCriticalSection
HeapDestroy
InitializeCriticalSectionAndSpinCount
HeapFree
HeapAlloc
VirtualAlloc
SetThreadExecutionState
VirtualFree
GetEnvironmentStringsW
FreeEnvironmentStringsW
FlushFileBuffers
GetConsoleMode
GetConsoleCP
SetFilePointer
ReadFile
SetThreadStackGuarantee
GetSystemInfo
VirtualQuery
GetCommandLineW
RaiseException
RtlPcToFileHeader
GetStartupInfoW
GetFileType
SetHandleCount
GetStringTypeW
IsValidCodePage
GetOEMCP
GetACP
GetLocaleInfoW
FlsAlloc
FlsFree
FlsSetValue
FlsGetValue
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleW
GetVersion
HeapSetInformation
RtlCaptureContext
RtlVirtualUnwind
UnhandledExceptionFilter
TerminateProcess
GetCPInfo
MultiByteToWideChar
LCMapStringW
RtlUnwindEx
RtlLookupFunctionEntry
HeapReAlloc

user32

GetDC
wsprintfW
PostThreadMessageA
GetWindowRect
DispatchMessageW
ReleaseDC
GetWindowTextW
GetInputState
GetForegroundWindow
GetDesktopWindow
PeekMessageW
TranslateMessage
MsgWaitForMultipleObjects
GetSystemMetrics
ShowWindow

gdi32

CreateDIBSection
GetDeviceCaps
StretchBlt
GetDIBits
SetDIBColorTable
DeleteObject
SelectObject
CreateCompatibleDC
CreateCompatibleBitmap
GetObjectW
SetStretchBltMode
DeleteDC

advapi32

RegSetValueExW
RegCloseKey
RegOpenKeyExW
RegQueryValueExW
RegDeleteValueW

ole32

CreateStreamOnHGlobal
GetHGlobalFromStream

ws2_32

closesocket
setsockopt
socket
recv
gethostbyname
send
WSACleanup
WSACloseEvent
WSAGetLastError
WSAEnumNetworkEvents
WSAEventSelect
shutdown
WSACreateEvent
WSASetLastError
WSAResetEvent
WSAWaitForMultipleEvents
WSAIoctl
connect
WSAStartup
select
htons

winmm

timeGetTime

gdiplus

GdiplusShutdown
GdipSaveImageToStream
GdipFree
GdipGetImageHeight
GdipGetImagePalette
GdipGetImagePixelFormat
GdipCreateBitmapFromScan0
GdipDeleteGraphics
GdipGetImageGraphicsContext
GdipBitmapUnlockBits
GdipDrawImageI
GdipAlloc
GdipGetImageEncodersSize
GdiplusStartup
GdipGetImageWidth
GdipCloneImage
GdipBitmapLockBits
GdipGetImagePaletteSize
GdipGetImageEncoders
GdipCreateBitmapFromHBITMAP
GdipDisposeImage
GdipCreateBitmapFromStream

Sections

.text
Size: 157KB - Virtual size: 156KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 43KB - Virtual size: 43KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 235KB - Virtual size: 252KB

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

.rsrc
Size: 512B - Virtual size: 436B

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

dcad9ef05274e39540d32c7da87828f7

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

advapi32

ole32

ws2_32

winmm

gdiplus

Sections

.text Size: 157KB - Virtual size: 156KB

.rdata Size: 43KB - Virtual size: 43KB

.data Size: 235KB - Virtual size: 252KB

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

.rsrc Size: 512B - Virtual size: 436B

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

.text
Size: 157KB - Virtual size: 156KB

.rdata
Size: 43KB - Virtual size: 43KB

.data
Size: 235KB - Virtual size: 252KB

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

.rsrc
Size: 512B - Virtual size: 436B

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