2024-01-23_f7f2956a208cdb23dc1f2150bc5cc679_ryuk

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General

Target

2024-01-23_f7f2956a208cdb23dc1f2150bc5cc679_ryuk
Size

2.3MB
MD5

f7f2956a208cdb23dc1f2150bc5cc679
SHA1

b4647117905e6b969a1ee04f4e9a19b1082df484
SHA256

e55114d345c879ae8276ab6e9b06caea844b867a95df9e8baa9d94c4f875cc22
SHA512

bac01f3603385e081ed034921f3dfd0895f19a08cb05b0b84f95ad12171d79667ce22d22d889af8fd3baa95dbb7826a83a22279a3264e7e845b43838f042e735
SSDEEP

49152:iUEAYXn99Ju2Bh/sFqZR/2mojgas108ZVVO9xXdq:k993ImCgaR

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-01-23_f7f2956a208cdb23dc1f2150bc5cc679_ryuk

Files

2024-01-23_f7f2956a208cdb23dc1f2150bc5cc679_ryuk
.exe windows:5 windows x64 arch:x64

12aab7f8ce0910338e5eef25fd053d18

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

shlwapi

PathCombineW
PathFindFileNameW
PathFindExtensionW

advapi32

RegQueryValueExW
RegOpenKeyExW
RegCloseKey

kernel32

HeapSize
DecodePointer
GetFileType
GetFullPathNameW
FreeLibrary
GetProcAddress
GetCurrentProcess
GetLastError
SetErrorMode
CloseHandle
GetSystemInfo
GetTickCount
UnmapViewOfFile
LoadLibraryW
GetModuleFileNameW
GetCommandLineW
GetEnvironmentVariableW
SetEnvironmentVariableW
OutputDebugStringW
SetDllDirectoryW
SetPriorityClass
SetConsoleCtrlHandler
GetConsoleTitleW
SetConsoleTitleW
GetConsoleWindow
RaiseException
VirtualProtect
VirtualQuery
GetModuleHandleW
LoadLibraryExA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
GetProcessHeap
WriteConsoleW
SetEnvironmentVariableA
FlushFileBuffers
EnumSystemLocalesW
GetFileAttributesExW
SetEndOfFile
SetFilePointerEx
GetModuleHandleExA
CreateFileW
FreeResource
LockResource
LocalFree
GetCurrentProcessId
LoadResource
SizeofResource
GetFileInformationByHandle
GetFileSize
FormatMessageW
MapViewOfFile
CreateFileMappingW
FindResourceExW
MultiByteToWideChar
SetEvent
ResetEvent
WaitForMultipleObjects
CreateEventW
WaitForSingleObject
WriteFile
CreatePipe
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
EncodePointer
GetCPInfo
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
CompareStringW
LCMapStringW
GetLocaleInfoW
GetStringTypeW
WaitForSingleObjectEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentThreadId
InitializeSListHead
RtlPcToFileHeader
RtlUnwindEx
LoadLibraryExW
SetStdHandle
CreateThread
ExitThread
FreeLibraryAndExitThread
GetModuleHandleExW
GetTimeZoneInformation
GetConsoleCP
GetConsoleMode
ReadFile
HeapAlloc
HeapReAlloc
HeapFree
ExitProcess
GetStdHandle
GetCommandLineA
GetACP
ReadConsoleW
GetDateFormatW
GetTimeFormatW
IsValidLocale
GetUserDefaultLCID

user32

IsWindowVisible

shell32

SHCreateDirectoryExW
SHGetFolderPathW

ole32

CreateStreamOnHGlobal
OleRun
CoCreateInstance
CoInitialize
CoUninitialize

winmm

waveOutWrite
waveOutUnprepareHeader
waveOutPrepareHeader
waveOutClose
waveOutOpen
waveOutGetErrorTextW

oleaut32

VariantInit

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 776KB - Virtual size: 776KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 91KB - Virtual size: 103KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 80KB - Virtual size: 80KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1024B - Virtual size: 640B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 14KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

12aab7f8ce0910338e5eef25fd053d18

Headers

DLL Characteristics

File Characteristics

Imports

shlwapi

advapi32

kernel32

user32

shell32

ole32

winmm

oleaut32

Sections

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

.rdata Size: 776KB - Virtual size: 776KB

.data Size: 91KB - Virtual size: 103KB

.pdata Size: 80KB - Virtual size: 80KB

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

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 1024B - Virtual size: 640B

.reloc Size: 14KB - Virtual size: 13KB

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

.rdata
Size: 776KB - Virtual size: 776KB

.data
Size: 91KB - Virtual size: 103KB

.pdata
Size: 80KB - Virtual size: 80KB

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

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 1024B - Virtual size: 640B

.reloc
Size: 14KB - Virtual size: 13KB