2024-04-06_6f02cc62205839b829fa4d91c130339c_ryuk

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General

Target

2024-04-06_6f02cc62205839b829fa4d91c130339c_ryuk
Size

87KB
MD5

6f02cc62205839b829fa4d91c130339c
SHA1

b1692c1b6191028d29ca98c88c865130de5c732a
SHA256

d9068c6d5d90ae223f8e5474789081074117b42e1ce586ed33f11fcca2c89f46
SHA512

818ff6a7c213bf7ac09b9138a0c36eebecda2420ec1be6b94a8890f74b0e485dd148731b60a975e42ad7027cef2e304b3b7523bf1d05fc2abf52137d660c8849
SSDEEP

1536:WpcXp0nHVL47m5H/5XNi7HeDN4gm9MsWSajdc9dlQ66kMhVpZRFJJ:WKXYq7Uf59i7HrD9XaZUNzMhVLRF7

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-06_6f02cc62205839b829fa4d91c130339c_ryuk

Files

2024-04-06_6f02cc62205839b829fa4d91c130339c_ryuk
.exe windows:6 windows x64 arch:x64

e876a72f51be14273d0f0d646d5702f5

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

CreateToolhelp32Snapshot
Process32NextW
LockResource
Process32FirstW
ResumeThread
FindResourceW
ReadProcessMemory
CreateProcessA
WriteProcessMemory
SizeofResource
LoadResource
GetModuleFileNameA
WriteConsoleW
SetFilePointerEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
RtlPcToFileHeader
RaiseException
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
ExitProcess
GetModuleHandleExW
GetStdHandle
WriteFile
GetModuleFileNameW
MultiByteToWideChar
WideCharToMultiByte
GetACP
HeapFree
HeapAlloc
LCMapStringW
CloseHandle
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetFileType
GetStringTypeW
GetProcessHeap
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleCP
GetConsoleMode
CreateFileW

advapi32

RegCloseKey
RegSetValueExA
RegCreateKeyA

ntdll

NtQueryInformationProcess

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 35KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 7KB

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: 188B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1KB - Virtual size: 1KB

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

e876a72f51be14273d0f0d646d5702f5

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

ntdll

Sections

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

.rdata Size: 35KB - Virtual size: 35KB

.data Size: 2KB - Virtual size: 7KB

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

.gfids Size: 512B - Virtual size: 188B

.rsrc Size: 1KB - Virtual size: 1KB

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

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

.rdata
Size: 35KB - Virtual size: 35KB

.data
Size: 2KB - Virtual size: 7KB

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

.gfids
Size: 512B - Virtual size: 188B

.rsrc
Size: 1KB - Virtual size: 1KB

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