2024-01-01_23bd39ae6c437da62c7ab7dd86276d1e_ryuk

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General

Target

2024-01-01_23bd39ae6c437da62c7ab7dd86276d1e_ryuk
Size

21.1MB
MD5

23bd39ae6c437da62c7ab7dd86276d1e
SHA1

681cee32a70f685997acdaacd356e8c05f90c625
SHA256

f1e5e5b1228de4e160e27342b5452ccd9f5b72373d07c669b7ca7aa4f5bdd048
SHA512

86a9790a56eef404faa73d49c38b9cad0db26daa1243626d063fe7f0da5c3225358e02a3ab6fe08df39adae3ff29479ae9d54b45e8d1916a8a377f1139ea1dd0
SSDEEP

98304:AIePBh1cN05bfCGraAaqQTDaCiIetMLPZ8vSQVgKrKuot8czhaZeWNd84dIY/b/Y:AIedFaGWrZTZzTavRrrmaZXNe4mY6

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-01-01_23bd39ae6c437da62c7ab7dd86276d1e_ryuk

Files

2024-01-01_23bd39ae6c437da62c7ab7dd86276d1e_ryuk
.exe windows:6 windows x64 arch:x64

78baf472d5af8c76a0eab0087fc134e7

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

CreateFileA
CloseHandle
GetLastError
FindFirstFileA
FindNextFileA
FindClose
GetModuleFileNameA
GetModuleHandleA
GetSystemDirectoryA
ReadFile
LockFile
UnlockFile
GetFileInformationByHandle
SetFileTime
CreateNamedPipeA
WaitNamedPipeA
CallNamedPipeA
ConnectNamedPipe
ExitProcess
VirtualAlloc
GetSystemTime
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetModuleHandleW
RtlUnwindEx
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
GetStdHandle
WriteFile
GetModuleFileNameW
MultiByteToWideChar
WideCharToMultiByte
GetCurrentProcess
TerminateProcess
GetModuleHandleExW
GetACP
HeapFree
HeapAlloc
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
LCMapStringW
SetStdHandle
GetFileType
GetStringTypeW
GetProcessHeap
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleCP
GetConsoleMode
SetFilePointerEx
WriteConsoleW
CreateFileW
RaiseException

Sections

.text
Size: 58KB - Virtual size: 57KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 13.8MB - Virtual size: 13.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 7.2MB - Virtual size: 7.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 160B

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

Sharing

General

Malware Config

Signatures

Files

78baf472d5af8c76a0eab0087fc134e7

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 58KB - Virtual size: 57KB

.rdata Size: 13.8MB - Virtual size: 13.8MB

.data Size: 7.2MB - Virtual size: 7.2MB

.pdata Size: 3KB - Virtual size: 3KB

.gfids Size: 512B - Virtual size: 160B

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

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

.text
Size: 58KB - Virtual size: 57KB

.rdata
Size: 13.8MB - Virtual size: 13.8MB

.data
Size: 7.2MB - Virtual size: 7.2MB

.pdata
Size: 3KB - Virtual size: 3KB

.gfids
Size: 512B - Virtual size: 160B

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

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