2024-05-02_d44039d71a361e78c5768d3edb94f2ba_ryuk

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General

Target

2024-05-02_d44039d71a361e78c5768d3edb94f2ba_ryuk
Size

1.4MB
MD5

d44039d71a361e78c5768d3edb94f2ba
SHA1

44d357e6c0f9a57cd91fbc00119140936d292b2e
SHA256

1411006f12bbcbd2e7646c9d8569892daccdccdd43df8919f80bdaa9a323e971
SHA512

77a9dc54c947a8f951d718122b168590bbde21f1d15422ef53b34cb511e4f0e212865e27cc88b761fefb0108bc311acd9a1d2e6bdece31a0f8cf85e2a37a3b6e
SSDEEP

24576:25AWQuv6fxgXe4i7ojhsP5Lgrk1TWb4AN5:4IMe30jaNf1TWbdz

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-02_d44039d71a361e78c5768d3edb94f2ba_ryuk

Files

2024-05-02_d44039d71a361e78c5768d3edb94f2ba_ryuk
.exe windows:6 windows x64 arch:x64

f8e0f6553f3339ba116d625a310eda0b

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

E:\release\2020.x\driver\bin\Components\Release-x64\PortHelperWow64.pdb

Imports

kernel32

FreeLibrary
GetVersionExW
LCMapStringW
GetACP
MultiByteToWideChar
WideCharToMultiByte
GetProcAddress
HeapSize
WriteConsoleW
ReadConsoleW
SetStdHandle
LoadLibraryW
GetLastError
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
IsValidCodePage
FindNextFileW
FindFirstFileExW
GetStringTypeW
EncodePointer
DecodePointer
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetModuleHandleW
CompareStringW
GetLocaleInfoW
GetCPInfo
CloseHandle
SetEvent
ResetEvent
WaitForSingleObjectEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
InitializeSListHead
RtlPcToFileHeader
RaiseException
RtlUnwindEx
LoadLibraryExW
HeapAlloc
HeapFree
HeapReAlloc
ExitProcess
GetModuleHandleExW
GetModuleFileNameW
GetStdHandle
WriteFile
GetCommandLineA
GetCommandLineW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
FlushFileBuffers
GetConsoleCP
GetConsoleMode
ReadFile
SetFilePointerEx
GetProcessHeap
FindClose
CreateFileW

user32

PostMessageW

winspool.drv

AddPortW
ConfigurePortW

advapi32

RegQueryValueExW
RegCloseKey

setupapi

SetupDiCallClassInstaller
CM_Get_Device_IDW
CM_Get_DevNode_Status
SetupDiDestroyDeviceInfoList
SetupDiRemoveDevice
SetupDiEnumDeviceInfo
SetupDiGetClassDevsW
SetupDiOpenDevRegKey
SetupDiGetDeviceInstanceIdW

Sections

.text
Size: 132KB - Virtual size: 132KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 84KB - Virtual size: 83KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 1024B - Virtual size: 708B

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: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1.2MB - Virtual size: 1.8MB

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

f8e0f6553f3339ba116d625a310eda0b

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

winspool.drv

advapi32

setupapi

Sections

.text Size: 132KB - Virtual size: 132KB

.rdata Size: 84KB - Virtual size: 83KB

.data Size: 4KB - Virtual size: 10KB

.pdata Size: 8KB - Virtual size: 7KB

.gfids Size: 1024B - Virtual size: 708B

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

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

.reloc Size: 1.2MB - Virtual size: 1.8MB

.text
Size: 132KB - Virtual size: 132KB

.rdata
Size: 84KB - Virtual size: 83KB

.data
Size: 4KB - Virtual size: 10KB

.pdata
Size: 8KB - Virtual size: 7KB

.gfids
Size: 1024B - Virtual size: 708B

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

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

.reloc
Size: 1.2MB - Virtual size: 1.8MB