2024-06-16_f71b251a4a95a6b302aa63b939f0f03d_ryuk

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General

Target

2024-06-16_f71b251a4a95a6b302aa63b939f0f03d_ryuk
Size

1.3MB
MD5

f71b251a4a95a6b302aa63b939f0f03d
SHA1

58154c08c0ce0523db2034f555f89dcf3c5b6a05
SHA256

824438852f5f11bef8a60df08f6746abf869c52e288456f4cefb97910ae2fcd7
SHA512

cc3fa9ab04bb807d3992df88eec0acdf588a270c7d1251953736a6746fca572a8ba3abd202e31206c501921a97570c140b59f8f81e999de76b5b4f684ff06d6e
SSDEEP

24576:Fb3T5Xj41AyLKWzEMF4M3zNYhxYlGRCr9UbnM1FU1HgnbnwRiTmhm8KkI:Z3T5TRMF4c5YhxMGRsIM1Vn0ATp8

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-16_f71b251a4a95a6b302aa63b939f0f03d_ryuk

Files

2024-06-16_f71b251a4a95a6b302aa63b939f0f03d_ryuk
.exe windows:5 windows x64 arch:x64

6c52c68d0f4591d6ee9f32c92c5dfbe1

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

GetModuleHandleW
VirtualProtect
VirtualFree
VirtualAlloc
LocalAlloc
LocalFree
VirtualQuery
SizeofResource
EnterCriticalSection
WriteFile
GetShortPathNameW
GetProcAddress
InitializeCriticalSection
SetFilePointer
GetTempPathW
CreateFileW
Sleep
LockResource
LoadLibraryW
LoadResource
FindResourceW
GetTempFileNameW
CreateThread
GetSystemInfo
CloseHandle
GetExitCodeThread
LeaveCriticalSection
RaiseException
WriteConsoleW
SetFilePointerEx
GetConsoleMode
GetConsoleCP
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetLastError
GetModuleFileNameW
RtlUnwindEx
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
SetLastError
DeleteCriticalSection
GetStdHandle
MultiByteToWideChar
WideCharToMultiByte
ExitProcess
GetModuleHandleExW
GetACP
HeapFree
HeapAlloc
HeapReAlloc
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
LCMapStringW
SetStdHandle
GetFileType
GetStringTypeW
GetProcessHeap
HeapSize
FlushFileBuffers
WaitForMultipleObjects

advapi32

SystemFunction036
RegCloseKey
RegEnumKeyExW
RegOpenKeyExW
RegQueryValueExW

ole32

CoUninitialize
CoInitializeEx

mscoree

CLRCreateInstance

Sections

.text
Size: 59KB - Virtual size: 58KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 48KB - Virtual size: 48KB

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: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 168B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1.2MB - Virtual size: 1.2MB

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

6c52c68d0f4591d6ee9f32c92c5dfbe1

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

ole32

mscoree

Sections

.text Size: 59KB - Virtual size: 58KB

.rdata Size: 48KB - Virtual size: 48KB

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

.pdata Size: 4KB - Virtual size: 3KB

.gfids Size: 512B - Virtual size: 168B

.rsrc Size: 1.2MB - Virtual size: 1.2MB

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

.text
Size: 59KB - Virtual size: 58KB

.rdata
Size: 48KB - Virtual size: 48KB

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

.pdata
Size: 4KB - Virtual size: 3KB

.gfids
Size: 512B - Virtual size: 168B

.rsrc
Size: 1.2MB - Virtual size: 1.2MB

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