2024-02-27_ae145d14042b677f5de54134e04fbef4_ryuk

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General

Target

2024-02-27_ae145d14042b677f5de54134e04fbef4_ryuk
Size

4.7MB
MD5

ae145d14042b677f5de54134e04fbef4
SHA1

363ab821b68d0aa13772dd0bcd90f81205424697
SHA256

0a8d2a62ee469c68fbb4191fdec808d5e3b0408dc4434d2cbba6a79811ba0d51
SHA512

0cd4fcea9bc1dd4fdfe18e284eab65a344eace0a92fb5284f6a3046c652f82d2f596bc648a0781803e518bbb802d9acdc447fbd0cd6a8965b89d311de6f15294
SSDEEP

98304:KkgvofcYNFS4KSi9j9Dnvps5IvzEXdVrLLrpezatd:KkgvgvhKzhnwSYX3LHpe+td

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-02-27_ae145d14042b677f5de54134e04fbef4_ryuk

Files

2024-02-27_ae145d14042b677f5de54134e04fbef4_ryuk
.exe windows:5 windows x64 arch:x64

81b0a3ca037bc0586cdc6705514792c2

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

D:\Projects\WinRAR\sfx\build\sfxzip64\Release\sfxzip.pdb

Imports

kernel32

GetLastError
SetLastError
FormatMessageW
GetFileType
GetStdHandle
WriteFile
ReadFile
FlushFileBuffers
SetEndOfFile
SetFilePointer
SetFileTime
CloseHandle
CreateFileW
CreateDirectoryW
SetFileAttributesW
GetFileAttributesW
DeleteFileW
MoveFileW
FindClose
FindFirstFileW
FindNextFileW
GetVersionExW
GetCurrentDirectoryW
GetFullPathNameW
FoldStringW
GetModuleFileNameW
GetModuleHandleW
FindResourceW
FreeLibrary
GetProcAddress
GetCurrentProcessId
ExitProcess
SetThreadExecutionState
Sleep
LoadLibraryW
GetSystemDirectoryW
CompareStringW
AllocConsole
FreeConsole
AttachConsole
WriteConsoleW
TzSpecificLocalTimeToSystemTime
SystemTimeToFileTime
FileTimeToLocalFileTime
LocalFileTimeToFileTime
FileTimeToSystemTime
GetCPInfo
IsDBCSLeadByte
MultiByteToWideChar
WideCharToMultiByte
GlobalAlloc
LockResource
GlobalLock
GlobalUnlock
GlobalFree
LoadResource
SizeofResource
SetCurrentDirectoryW
GetExitCodeProcess
WaitForSingleObject
GetLocalTime
GetTickCount
MapViewOfFile
UnmapViewOfFile
CreateFileMappingW
OpenFileMappingW
GetCommandLineW
SetEnvironmentVariableW
ExpandEnvironmentStringsW
GetTempPathW
MoveFileExW
GetLocaleInfoW
GetTimeFormatW
GetDateFormatW
GetNumberFormatW
SetFilePointerEx
GetConsoleMode
GetConsoleCP
HeapSize
SetStdHandle
GetProcessHeap
RaiseException
GetSystemInfo
VirtualProtect
VirtualQuery
LoadLibraryExA
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlUnwindEx
RtlPcToFileHeader
EncodePointer
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
QueryPerformanceFrequency
GetCurrentProcess
TerminateProcess
GetModuleHandleExW
GetModuleFileNameA
GetACP
HeapFree
HeapAlloc
HeapReAlloc
GetStringTypeW
LCMapStringW
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetCommandLineA
GetEnvironmentStringsW
FreeEnvironmentStringsW

gdiplus

GdiplusShutdown
GdiplusStartup
GdipCreateHBITMAPFromBitmap
GdipCreateBitmapFromStream
GdipDisposeImage
GdipCloneImage
GdipFree
GdipAlloc

Sections

.text
Size: 162KB - Virtual size: 161KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 59KB - Virtual size: 58KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 215KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 1024B - Virtual size: 712B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 56KB - Virtual size: 55KB

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

81b0a3ca037bc0586cdc6705514792c2

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

gdiplus

Sections

.text Size: 162KB - Virtual size: 161KB

.rdata Size: 59KB - Virtual size: 58KB

.data Size: 4KB - Virtual size: 215KB

.pdata Size: 8KB - Virtual size: 8KB

.didat Size: 1024B - Virtual size: 712B

.rsrc Size: 56KB - Virtual size: 55KB

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

.text
Size: 162KB - Virtual size: 161KB

.rdata
Size: 59KB - Virtual size: 58KB

.data
Size: 4KB - Virtual size: 215KB

.pdata
Size: 8KB - Virtual size: 8KB

.didat
Size: 1024B - Virtual size: 712B

.rsrc
Size: 56KB - Virtual size: 55KB

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