2024-10-06_1128a18620d1b3ec6438dc046e6806e3_cobalt-strike_hijackloader_ryuk

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General

Target

2024-10-06_1128a18620d1b3ec6438dc046e6806e3_cobalt-strike_hijackloader_ryuk
Size

13.6MB
MD5

1128a18620d1b3ec6438dc046e6806e3
SHA1

e14e23c0b94dee508637b22528b517c5c9c50a78
SHA256

64a32a775c5844a77442543a94108924edcbae8dd02ca5a1342cec8210866a13
SHA512

6ae1920169b997efc81e288cd9950cf9d85dbd21d361bf519042bb44dfcb97ba308c2de98f278beb6ac356635203e617ac52591f54c390aeff3b43e6442a1b9c
SSDEEP

98304:HkSyHtiLvHqeVG+bZIa39IEeAX8JSS0lalD0IDqM3MJDFptq2e8pHfKdmlw0OKOt:ESqYGuIxAXMSS6BMcJR3jpHfKdmls7t

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-10-06_1128a18620d1b3ec6438dc046e6806e3_cobalt-strike_hijackloader_ryuk

Files

2024-10-06_1128a18620d1b3ec6438dc046e6806e3_cobalt-strike_hijackloader_ryuk
.exe windows:5 windows x64 arch:x64

ed6e56d7fed34130c48b0a05c64585cf

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

GetProcessHeap
FreeEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetCPInfo
GetOEMCP
IsValidCodePage
FindNextFileA
FindFirstFileExA
SetStdHandle
FlushFileBuffers
CreateFileW
SetFilePointerEx
WriteConsoleW
ReadFile
ReadConsoleW
HeapSize
SetEndOfFile
LoadLibraryA
GetEnvironmentStringsW
GetProcAddress
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlUnwindEx
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
MultiByteToWideChar
ExitProcess
GetModuleHandleExW
GetModuleFileNameA
WideCharToMultiByte
GetStdHandle
WriteFile
GetACP
HeapFree
HeapAlloc
CloseHandle
GetConsoleCP
GetConsoleMode
GetFileType
GetStringTypeW
HeapReAlloc
LCMapStringW
FindClose
RaiseException

user32

LoadStringA
LoadIconA
LoadCursorA
InvalidateRect
EndPaint
BeginPaint
ReleaseDC
GetDC
UpdateWindow
GetSystemMetrics
TranslateAcceleratorA
LoadAcceleratorsA
KillTimer
SetTimer
EndDialog
DialogBoxParamA
ShowWindow
DestroyWindow
CreateWindowExA
RegisterClassExA
PostQuitMessage
DefWindowProcA
DispatchMessageA
TranslateMessage
GetMessageA
MoveWindow
LoadBitmapA

gdi32

DeleteDC
CreateCompatibleDC
CreateCompatibleBitmap
SetTextColor
SetBkColor
TextOutA
GetObjectA
StretchBlt
SelectObject
DeleteObject
BitBlt
CreateFontA

Sections

.text
Size: 107KB - Virtual size: 106KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 40KB - Virtual size: 40KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 10.2MB - Virtual size: 10.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 160B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 3.2MB - Virtual size: 3.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

ed6e56d7fed34130c48b0a05c64585cf

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

Sections

.text Size: 107KB - Virtual size: 106KB

.rdata Size: 40KB - Virtual size: 40KB

.data Size: 10.2MB - Virtual size: 10.2MB

.pdata Size: 5KB - Virtual size: 5KB

.gfids Size: 512B - Virtual size: 160B

.rsrc Size: 3.2MB - Virtual size: 3.2MB

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 107KB - Virtual size: 106KB

.rdata
Size: 40KB - Virtual size: 40KB

.data
Size: 10.2MB - Virtual size: 10.2MB

.pdata
Size: 5KB - Virtual size: 5KB

.gfids
Size: 512B - Virtual size: 160B

.rsrc
Size: 3.2MB - Virtual size: 3.2MB

.reloc
Size: 2KB - Virtual size: 1KB