2024-04-17_31ea9156dd1563e0ec2154b30a53f1fb_ryuk

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General

Target

2024-04-17_31ea9156dd1563e0ec2154b30a53f1fb_ryuk
Size

1.8MB
MD5

31ea9156dd1563e0ec2154b30a53f1fb
SHA1

1be920543340b76d496e6893d0795e8afc3b375d
SHA256

9b6bddc40abea53483c5f4684c57da8444307d9f6ac77c46ccd56e421294f37e
SHA512

1badc268f0782a40848f43c0ea5e5cea94fcfb20ece3da9a313130d67ac1dcd991eb440c847a349b4bb31f774ea6d6f5c10671a55fdcb31cedd60286ef46bda8
SSDEEP

12288:VFxkdbZVNy1AphAjODk2vtPNJZ7D9p5zuldXnXf3auHbGqndVFbk:VFadb70/SDVv7DxAZquHPH9k

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-17_31ea9156dd1563e0ec2154b30a53f1fb_ryuk

Files

2024-04-17_31ea9156dd1563e0ec2154b30a53f1fb_ryuk
.exe windows:5 windows x64 arch:x64

45faf0ab8f7eaf7fe63ebdaaa4600eae

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

Q:\v415\Beta19\src\mnt\cnmmntexe\mnt\obj\Release\x64\cnmpaui.pdb

Imports

kernel32

GetCommandLineW
CloseHandle
OpenFileMappingW
MapViewOfFile
UnmapViewOfFile
FreeLibrary
GetProcAddress
LoadLibraryExW
LoadLibraryW
GlobalAlloc
GlobalFree
WriteConsoleW
CreateFileW
ReadConsoleW
ReadFile
SetFilePointerEx
GetFileSizeEx
GetConsoleMode
GetConsoleCP
FlushFileBuffers
HeapReAlloc
HeapSize
SetConsoleCtrlHandler
GetProcessHeap
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
EnumSystemLocalesW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
InterlockedPushEntrySList
InterlockedFlushSList
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStdHandle
WriteFile
GetModuleFileNameW
ExitProcess
GetModuleHandleExW
HeapFree
HeapAlloc
GetCurrentThread
OutputDebugStringW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCommandLineA
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetFileType
GetStringTypeW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
RaiseException

winspool.drv

OpenPrinterW
ClosePrinter

user32

LoadImageW
DestroyIcon
UpdateWindow
ShowWindow
DestroyWindow
IsWindow
CreateWindowExW
RegisterClassExW
UnregisterClassW
PostQuitMessage
DefWindowProcW
SendMessageW
DispatchMessageW
GetMessageW

Sections

.text
Size: 287KB - Virtual size: 286KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 64KB - Virtual size: 63KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 17KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 356B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 56KB - Virtual size: 56KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1.4MB - Virtual size: 1.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

45faf0ab8f7eaf7fe63ebdaaa4600eae

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

winspool.drv

user32

Sections

.text Size: 287KB - Virtual size: 286KB

.rdata Size: 64KB - Virtual size: 63KB

.data Size: 3KB - Virtual size: 9KB

.pdata Size: 17KB - Virtual size: 16KB

.gfids Size: 512B - Virtual size: 356B

.rsrc Size: 56KB - Virtual size: 56KB

.reloc Size: 1.4MB - Virtual size: 1.4MB

.text
Size: 287KB - Virtual size: 286KB

.rdata
Size: 64KB - Virtual size: 63KB

.data
Size: 3KB - Virtual size: 9KB

.pdata
Size: 17KB - Virtual size: 16KB

.gfids
Size: 512B - Virtual size: 356B

.rsrc
Size: 56KB - Virtual size: 56KB

.reloc
Size: 1.4MB - Virtual size: 1.4MB