2024-01-28_4b003c3836cd1028909ce5ffbbb3e703_ryuk

Sharing

Copy URL Twitter E-mail

General

Target

2024-01-28_4b003c3836cd1028909ce5ffbbb3e703_ryuk
Size

128KB
MD5

4b003c3836cd1028909ce5ffbbb3e703
SHA1

c26db56037d800befb785ac68ca2549e8b765ea7
SHA256

a23fa6315a85b459231770a1162e267bdbd36c8fdd48f978b2bf491a26a85121
SHA512

e3803fedbe6eb499b1949e6927fda161a853cb226371a7969d1acdcf3f76bfc80acdf6b2509409714bb1374a36e266a7ee0cdf49d212f8d3e307563d215802bf
SSDEEP

3072:azO/HyqzpZjyGCBhraYYFxFfRc2/iLQ1dzlM0XhBQ:nrzp9sVatFx/o6XBQ

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-01-28_4b003c3836cd1028909ce5ffbbb3e703_ryuk

Files

2024-01-28_4b003c3836cd1028909ce5ffbbb3e703_ryuk
.exe windows:5 windows x64 arch:x64

8f60d42431535e14c40bea14ef8510e2

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

kernel32

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

Sections

.text
Size: 78KB - Virtual size: 77KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 39KB - Virtual size: 38KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 7KB

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

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

8f60d42431535e14c40bea14ef8510e2

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 78KB - Virtual size: 77KB

.rdata Size: 39KB - Virtual size: 38KB

.data Size: 3KB - Virtual size: 7KB

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

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

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

.text
Size: 78KB - Virtual size: 77KB

.rdata
Size: 39KB - Virtual size: 38KB

.data
Size: 3KB - Virtual size: 7KB

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

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

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