2024-02-03_8355a2f353a6a8828377f900df7de9e2_ryuk

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General

Target

2024-02-03_8355a2f353a6a8828377f900df7de9e2_ryuk
Size

123KB
MD5

8355a2f353a6a8828377f900df7de9e2
SHA1

c0a636d4f2ef3fb199a61b75b074673d7d41b12b
SHA256

a364858c11ea06dcde1120406de04e1570034a043f82c5370c2c07d365b41191
SHA512

e15cf24f7d562eac224fd1feae9cd433efa14bdedea36ceeca1e969763257500bec6852ee4284b8a92b753064e780e4471405dd98c3ee8f4d10ecdcd4c1175f2
SSDEEP

3072:SSoEfQ1wVd/DlPtyXFQ4CKbjY1xxTvBFuDlSCa:eEfQ1wVd/DhkDVYFI

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-02-03_8355a2f353a6a8828377f900df7de9e2_ryuk

Files

2024-02-03_8355a2f353a6a8828377f900df7de9e2_ryuk
.exe windows:5 windows x64 arch:x64

afd22569c3cb4c39ce5bd8efda5d4752

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
GetModuleFileNameA
MultiByteToWideChar
WideCharToMultiByte
GetCommandLineA
GetCommandLineW
GetACP
HeapFree
HeapAlloc
CompareStringW
LCMapStringW
GetFileType
CloseHandle
FlushFileBuffers
GetConsoleCP
GetConsoleMode
FindClose
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
SetStdHandle
GetStringTypeW
GetProcessHeap
SetFilePointerEx
WriteConsoleW
CreateFileW
ReadFile
ReadConsoleW
HeapSize
HeapReAlloc
SetEndOfFile
RaiseException

Sections

.text
Size: 74KB - Virtual size: 73KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 38KB - 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: 160B

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

afd22569c3cb4c39ce5bd8efda5d4752

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 74KB - Virtual size: 73KB

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

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

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

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

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

.text
Size: 74KB - Virtual size: 73KB

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

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

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

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

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