2024-08-25_02fec31f8c1ef1aeff9218176c4c3dcb_ryuk

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General

Target

2024-08-25_02fec31f8c1ef1aeff9218176c4c3dcb_ryuk
Size

132KB
MD5

02fec31f8c1ef1aeff9218176c4c3dcb
SHA1

193fdf1baa6606d35b7ba1ae5954e46dc11af4ca
SHA256

306f97440558116758fdf4930814394bc0a573df58138345269ad5bf3057ea16
SHA512

24ff33a7649018808d00a9d63ba9acbff6a70f66c6dce81b7b436079654ed8cb18cfb7da8c6de1c7018e3c59745f76a943207352c8ce3ad8fb7060c009f4b41e
SSDEEP

3072:PjNTrfJzkCurwiAmsnVjVDiQ/mM03mRp3GxuXr:rNXJYCurIpVj0Ja3Ku

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-08-25_02fec31f8c1ef1aeff9218176c4c3dcb_ryuk

Files

2024-08-25_02fec31f8c1ef1aeff9218176c4c3dcb_ryuk
.exe windows:5 windows x64 arch:x64

f9ce0bd3a888ae9d1ca5062a8e8ff5f7

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

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

user32

MessageBoxW

shell32

CommandLineToArgvW

shlwapi

PathRemoveFileSpecW

advapi32

SystemFunction036

Sections

.text
Size: 79KB - Virtual size: 78KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 40KB - Virtual size: 40KB

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: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 236B

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

f9ce0bd3a888ae9d1ca5062a8e8ff5f7

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

shell32

shlwapi

advapi32

Sections

.text Size: 79KB - Virtual size: 78KB

.rdata Size: 40KB - Virtual size: 40KB

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

.pdata Size: 5KB - Virtual size: 5KB

.gfids Size: 512B - Virtual size: 236B

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

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

.text
Size: 79KB - Virtual size: 78KB

.rdata
Size: 40KB - Virtual size: 40KB

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

.pdata
Size: 5KB - Virtual size: 5KB

.gfids
Size: 512B - Virtual size: 236B

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

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