2025-03-17_8099f355d023f687efab26a1323977c7_ryuk

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General

Target

2025-03-17_8099f355d023f687efab26a1323977c7_ryuk
Size

11.5MB
MD5

8099f355d023f687efab26a1323977c7
SHA1

6839dd1d3b1c92ee02df1a9daa0771b83ab1a983
SHA256

bf0e8e9c10d34111aa67a2ef8582518144362096c4942cec0cdc9c8c3dbfdcb9
SHA512

7afade18da1755a3811b8cf0ea980077896e67eb2523bea2bb874c34d0ad076933ebfb6c12cd5dea2f33e86101544c8a77f025a58c2fff6ccd1287debd9da314
SSDEEP

196608:aPXLYgk+yA9//qt++3HF9onJ5hrZEE3e9tGPqKM48RmU/3ZlsPvpEbPCTbPKRTvI:aY+Cl9c5hlEE/PNMtN3ZWqDC3PuTZU

Score

3^/10

pyinstaller

Malware Config

Signatures

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
sample	pyinstaller

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2025-03-17_8099f355d023f687efab26a1323977c7_ryuk

Files

2025-03-17_8099f355d023f687efab26a1323977c7_ryuk
.exe windows:5 windows x64 arch:x64

b0d2bcfaf69e32f6189b93d5e3f439ad

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

MessageBoxW
MessageBoxA

kernel32

GetModuleFileNameW
GetProcAddress
GetCommandLineW
GetEnvironmentVariableW
SetEnvironmentVariableW
ExpandEnvironmentStringsW
CreateDirectoryW
GetTempPathW
WaitForSingleObject
Sleep
SetDllDirectoryW
CreateProcessW
GetStartupInfoW
LoadLibraryExW
CloseHandle
GetCurrentProcess
LocalFree
FormatMessageW
LoadLibraryA
MultiByteToWideChar
WideCharToMultiByte
GetLastError
HeapReAlloc
SetEndOfFile
GetExitCodeProcess
GetCommandLineA
HeapSize
GetTimeZoneInformation
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetModuleHandleW
RtlUnwindEx
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
RaiseException
ReadFile
CreateFileW
GetDriveTypeW
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetFullPathNameW
RemoveDirectoryW
FindClose
FindFirstFileExW
FindNextFileW
SetStdHandle
SetConsoleCtrlHandler
DeleteFileW
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleExW
GetACP
HeapFree
HeapAlloc
GetConsoleMode
ReadConsoleW
SetFilePointerEx
GetConsoleCP
CompareStringW
LCMapStringW
GetCurrentDirectoryW
FlushFileBuffers
SetEnvironmentVariableA
GetFileAttributesExW
IsValidCodePage
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetStringTypeW
GetProcessHeap
WriteConsoleW

advapi32

ConvertSidToStringSidW
GetTokenInformation
OpenProcessToken
ConvertStringSecurityDescriptorToSecurityDescriptorW

ws2_32

ntohl

Sections

.text
Size: 129KB - Virtual size: 129KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 62KB - Virtual size: 61KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 44KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 172B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 61KB - Virtual size: 61KB

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
payload.pyc

Sharing

General

Malware Config

Signatures

Files

b0d2bcfaf69e32f6189b93d5e3f439ad

Headers

DLL Characteristics

File Characteristics

Imports

user32

kernel32

advapi32

ws2_32

Sections

.text Size: 129KB - Virtual size: 129KB

.rdata Size: 62KB - Virtual size: 61KB

.data Size: 3KB - Virtual size: 44KB

.pdata Size: 7KB - Virtual size: 7KB

.gfids Size: 512B - Virtual size: 172B

.rsrc Size: 61KB - Virtual size: 61KB

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

.text
Size: 129KB - Virtual size: 129KB

.rdata
Size: 62KB - Virtual size: 61KB

.data
Size: 3KB - Virtual size: 44KB

.pdata
Size: 7KB - Virtual size: 7KB

.gfids
Size: 512B - Virtual size: 172B

.rsrc
Size: 61KB - Virtual size: 61KB

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