2024-05-22_e8f3ba221e077636486f3b19ccae0e73_cobalt-strike_lockbit

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General

Target

2024-05-22_e8f3ba221e077636486f3b19ccae0e73_cobalt-strike_lockbit
Size

376KB
MD5

e8f3ba221e077636486f3b19ccae0e73
SHA1

1fbcd8a8a808633a7c720c3569ad48de5bd9e866
SHA256

13bda317ae38d780212603d738510241b7304201a9d4f8a582250c4c01c5fa52
SHA512

8a3a2c77883bb241dab808966c499904d23bd3cddd40b39d554a6296567fa08b068ad6d453e61b241765b73c4795d5967e0acc82a5738e51fbf700824afbe634
SSDEEP

6144:AHdhPDjUVFPeDADETZZX+t4Z0dS7jNt5z1GSxQol0XAD35m0ampO83rvdcp:AzDQL2iqj7eKQG5+YV

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
2024-05-22_e8f3ba221e077636486f3b19ccae0e73_cobalt-strike_lockbit

Files

2024-05-22_e8f3ba221e077636486f3b19ccae0e73_cobalt-strike_lockbit
.exe windows:5 windows x64 arch:x64

7381bfdd301b4a54762432f13a9b5f13

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

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

user32

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

gdi32

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

advapi32

RegOpenKeyExW
RegDeleteValueW
RegQueryValueExW
RegCreateKeyW
RegCloseKey
RegSetValueExW

shell32

SHGetFolderPathW

ole32

GetHGlobalFromStream
CreateStreamOnHGlobal

ws2_32

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

winmm

timeGetTime

gdiplus

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

Sections

.text
Size: 103KB - Virtual size: 102KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 29KB - Virtual size: 29KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 233KB - Virtual size: 250KB

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

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

7381bfdd301b4a54762432f13a9b5f13

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

advapi32

shell32

ole32

ws2_32

winmm

gdiplus

Sections

.text Size: 103KB - Virtual size: 102KB

.rdata Size: 29KB - Virtual size: 29KB

.data Size: 233KB - Virtual size: 250KB

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

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

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

.text
Size: 103KB - Virtual size: 102KB

.rdata
Size: 29KB - Virtual size: 29KB

.data
Size: 233KB - Virtual size: 250KB

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

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

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