2024-10-29_4d339a2f921fcac88f6f17702fca7436_ryuk

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General

Target

2024-10-29_4d339a2f921fcac88f6f17702fca7436_ryuk
Size

137KB
MD5

4d339a2f921fcac88f6f17702fca7436
SHA1

adc2d7697c74b4fcc01afa5feb2711df44dc8046
SHA256

94b80a9b040dee10001d8347d6d44b97f8c24a39e4852d9bff813e4c6158ef44
SHA512

722e1aae39a67a197ea5e1d51daa53940a4b21ca82b4025510f86936c6489933472a61ff656a2b61cc68c305190683e324e0e71156a28d44584a75726104c4b3
SSDEEP

3072:dxxED/D0VpMHZLZKMrkBne78xB0IwWMZ4OVvYV/J/9KEZUwVs:dxCkVpMHZLZ+Re78pwrJv2JTL

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-10-29_4d339a2f921fcac88f6f17702fca7436_ryuk

Files

2024-10-29_4d339a2f921fcac88f6f17702fca7436_ryuk
.exe windows:6 windows x64 arch:x64

ff191bb17a98b1df9da835e37005c2a7

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

Imports

newdev

UpdateDriverForPlugAndPlayDevicesW

setupapi

SetupDiEnumDeviceInfo
SetupDiGetClassDevsA
SetupCopyOEMInfW
SetupDiGetDeviceRegistryPropertyA
SetupDiSetDeviceRegistryPropertyA

kernel32

GetConsoleCP
ReadFile
SetLastError
GetFullPathNameW
WriteFile
SetFilePointer
WaitForSingleObject
GetVersionExW
GetModuleHandleA
CreateEventW
MultiByteToWideChar
GetConsoleMode
GetLastError
CreateFileA
SetEvent
LoadLibraryA
CloseHandle
GetOverlappedResult
GetProcAddress
GetFileSize
WideCharToMultiByte
FormatMessageA
HeapSize
HeapReAlloc
SetFilePointerEx
WriteConsoleW
CreateFileW
Sleep
LeaveCriticalSection
FlushFileBuffers
GetProcessHeap
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
EnterCriticalSection
RaiseException
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
CreateThread
ExitThread
ResumeThread
FreeLibraryAndExitThread
GetModuleHandleExW
GetStdHandle
GetModuleFileNameA
ExitProcess
GetCommandLineA
GetCommandLineW
GetACP
HeapFree
HeapAlloc
CompareStringW
LCMapStringW
GetFileType
FindClose
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
SetStdHandle
GetStringTypeW

advapi32

RegQueryValueExA
RegCreateKeyExA
RegSetValueExA
ConvertStringSidToSidA
RegDeleteValueA
RegCloseKey

ole32

CoInitializeEx
CoCreateInstance

Sections

.text
Size: 75KB - Virtual size: 75KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 42KB - Virtual size: 42KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 164B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 480B

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

.zero
Size: 8KB - Virtual size: 4KB

IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

ff191bb17a98b1df9da835e37005c2a7

Headers

DLL Characteristics

File Characteristics

Imports

newdev

setupapi

kernel32

advapi32

ole32

Sections

.text Size: 75KB - Virtual size: 75KB

.rdata Size: 42KB - Virtual size: 42KB

.data Size: 2KB - Virtual size: 8KB

.pdata Size: 4KB - Virtual size: 4KB

.gfids Size: 512B - Virtual size: 164B

.rsrc Size: 512B - Virtual size: 480B

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

.zero Size: 8KB - Virtual size: 4KB

.text
Size: 75KB - Virtual size: 75KB

.rdata
Size: 42KB - Virtual size: 42KB

.data
Size: 2KB - Virtual size: 8KB

.pdata
Size: 4KB - Virtual size: 4KB

.gfids
Size: 512B - Virtual size: 164B

.rsrc
Size: 512B - Virtual size: 480B

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

.zero
Size: 8KB - Virtual size: 4KB