2024-04-10_c1c6c2df10c36dfc85d03e1d95b833f2_ryuk

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General

Target

2024-04-10_c1c6c2df10c36dfc85d03e1d95b833f2_ryuk
Size

195KB
MD5

c1c6c2df10c36dfc85d03e1d95b833f2
SHA1

a31e45c338b3d408c83ca83074ededf35fe0a831
SHA256

baa573f6d713c298d0ea60bc46061491703574460f7bad2c25f53812583bef86
SHA512

ac5f9dad5c87ca32025348e860a0ecee8a4832ebf3085840ccd3eba8c2c134b6672730b6be911b222d8473dd6262ca81e47db305568844d3496de2a687623592
SSDEEP

3072:hSf9QqTjhSp29ZPLoFrn7CdIEwCh0RP+LrzyLPwB4Sa6v9ZX0t5xT79VRSVO:hSlNQp2/LoFrnjv7POnyrwB1EtPE0

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

Processes:

resource
2024-04-10_c1c6c2df10c36dfc85d03e1d95b833f2_ryuk

Files

2024-04-10_c1c6c2df10c36dfc85d03e1d95b833f2_ryuk
.exe windows:6 windows x64 arch:x64

d422d42843191f20ad0be6176200c3f3

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

F:\v61A11src\v4builds\x64\Release\WSD64.pdb

Imports

newdev

UpdateDriverForPlugAndPlayDevicesW

kernel32

GetProcAddress
LoadLibraryExW
RaiseException
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
GetModuleFileNameW
GetModuleHandleW
LoadResource
SizeofResource
FindResourceW
MultiByteToWideChar
FreeLibrary
DecodePointer
WaitForSingleObject
Sleep
CreateThread
GetCurrentThreadId
CreateFileW
WriteConsoleW
FlushFileBuffers
SetFilePointerEx
lstrcmpiW
CreateEventW
ResetEvent
SetEvent
GetLastError
CloseHandle
FindClose
GetCommandLineW
IsDebuggerPresent
GetConsoleMode
GetConsoleCP
GetStringTypeW
SetStdHandle
GetProcessHeap
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineA
GetCPInfo
GetOEMCP
IsValidCodePage
FindNextFileW
LCMapStringW
GetFileType
HeapReAlloc
HeapSize
HeapAlloc
HeapFree
GetACP
FindFirstFileExW
LocalFree
WriteFile
OutputDebugStringW
WaitForSingleObjectEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
InitializeSListHead
RtlPcToFileHeader
RtlUnwindEx
EncodePointer
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
SetLastError
ExitProcess
GetModuleHandleExW
WideCharToMultiByte
GetStdHandle

user32

CharNextW
GetMessageW
TranslateMessage
DispatchMessageW
PostThreadMessageW
CharUpperW

advapi32

RegQueryInfoKeyW
RegOpenKeyExW
RegEnumKeyExW
RegDeleteValueW
RegDeleteKeyW
RegCreateKeyExW
RegCloseKey
RegSetValueExW

ole32

CoTaskMemRealloc
CoTaskMemAlloc
CoTaskMemFree
CoWaitForMultipleHandles
PropVariantClear
CoCreateInstance
CoUninitialize
CoRegisterClassObject
CoRevokeClassObject
CoResumeClassObjects
CoAddRefServerProcess
CoReleaseServerProcess
StringFromGUID2
CoInitialize
CoGetClassObject

oleaut32

UnRegisterTypeLi
RegisterTypeLi
LoadRegTypeLi
LoadTypeLi
VarUI4FromStr
SafeArrayUnaccessData
SafeArrayAccessData
SafeArrayCreate
SysStringLen
SysAllocString
SysFreeString

shlwapi

SHStrDupW

Sections

.text
Size: 101KB - Virtual size: 101KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 244B

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: 6KB - Virtual size: 5KB

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

d422d42843191f20ad0be6176200c3f3

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

newdev

kernel32

user32

advapi32

ole32

oleaut32

shlwapi

Sections

.text Size: 101KB - Virtual size: 101KB

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

.data Size: 4KB - Virtual size: 9KB

.pdata Size: 7KB - Virtual size: 6KB

.gfids Size: 512B - Virtual size: 244B

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

.rsrc Size: 6KB - Virtual size: 5KB

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

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

.text
Size: 101KB - Virtual size: 101KB

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

.data
Size: 4KB - Virtual size: 9KB

.pdata
Size: 7KB - Virtual size: 6KB

.gfids
Size: 512B - Virtual size: 244B

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

.rsrc
Size: 6KB - Virtual size: 5KB

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

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