2024-05-31_25f818c51ff2e17351df374b905294d5_ryuk

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General

Target

2024-05-31_25f818c51ff2e17351df374b905294d5_ryuk
Size

521KB
MD5

25f818c51ff2e17351df374b905294d5
SHA1

0bb336897dbb9207a92c66ce27d7f0f4c35d1d48
SHA256

6bb287fb69aaae9500ae2601fd53c493dcb82d6fad05ab048c47983a8106b248
SHA512

750443a499c13f2c98aa77c9b9179b7bf474d8c180a81e72fa131bae5d82b197cf51b5fbcff8b1849ec25a7f79c80020b6b61a24b11d3edd45a58a885e9a5f8e
SSDEEP

6144:Z6KeykyDZM36HTVHHcHRrsoT8DQJwWpgDBI3JYFaAxTAfUIC15xOOASmb:DeyHLosogQeWpgD+5AxTcW1POOA1

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-31_25f818c51ff2e17351df374b905294d5_ryuk

Files

2024-05-31_25f818c51ff2e17351df374b905294d5_ryuk
.exe windows:6 windows x64 arch:x64

77bee3e1c5d63cdeb1e2a33a7b4a427f

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

user32

MessageBoxA

advapi32

RegQueryValueExA
RegCloseKey
RegOpenKeyExA

comctl32

ord17

kernel32

GetLastError
GetProcAddress
SearchPathA
VirtualAlloc
VirtualFree
GetModuleFileNameA
LoadLibraryA
FormatMessageA
GetUserDefaultLCID
ExpandEnvironmentStringsA
FreeLibrary
GetFileAttributesA
LoadLibraryExA
GetPrivateProfileStringA
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
SetLastError
GetCurrentThreadId
MultiByteToWideChar
GetACP
HeapAlloc
HeapFree
GetModuleHandleW
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
LoadLibraryExW
LCMapStringW
RaiseException
IsValidCodePage
GetOEMCP
GetCPInfo
GetStringTypeW
ExitProcess
GetModuleHandleExW
GetProcessHeap
WideCharToMultiByte
HeapSize
HeapReAlloc
RtlUnwindEx
CreateFileW
WriteConsoleW
SetFilePointerEx
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
InitializeSListHead
GetStdHandle
WriteFile
CloseHandle
FindClose
FindFirstFileExA
FindNextFileA
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetFileType
FlushFileBuffers
GetConsoleCP
GetConsoleMode

version

GetFileVersionInfoSizeA
GetFileVersionInfoA
VerQueryValueA

Sections

.text
Size: 45KB - Virtual size: 44KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 44KB - Virtual size: 44KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 21KB

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: 421KB - Virtual size: 420KB

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

77bee3e1c5d63cdeb1e2a33a7b4a427f

Headers

DLL Characteristics

File Characteristics

Imports

user32

advapi32

comctl32

kernel32

version

Sections

.text Size: 45KB - Virtual size: 44KB

.rdata Size: 44KB - Virtual size: 44KB

.data Size: 3KB - Virtual size: 21KB

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

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

.rsrc Size: 421KB - Virtual size: 420KB

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

.text
Size: 45KB - Virtual size: 44KB

.rdata
Size: 44KB - Virtual size: 44KB

.data
Size: 3KB - Virtual size: 21KB

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

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

.rsrc
Size: 421KB - Virtual size: 420KB

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