2024-06-26_d4a37631299f42b709ab20ee6b7a1f8c_ryuk

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General

Target

2024-06-26_d4a37631299f42b709ab20ee6b7a1f8c_ryuk
Size

4.8MB
MD5

d4a37631299f42b709ab20ee6b7a1f8c
SHA1

f577de428123f44c3424ba27a03c1fe9eb3f4e8c
SHA256

0e57a543deb38b1ad8742153e669ae9a1e6bb86439342e1a543dc3f2bf600452
SHA512

91ef20ece4b36f831e0ba21d626721eb635b145f6d6835ea0894da437473b2b549ea993eaaf7e83149b7594bbfd23bb0c3630a6503bdcd02a16aa570f9bbbbf3
SSDEEP

98304:MGMFFYJ4X3ITw4owWXuycm/iAc2f1ASNbTw2sGuScSESLwSnQ:MG4YKWwsbycm/iAjf+UAYtE

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
2024-06-26_d4a37631299f42b709ab20ee6b7a1f8c_ryuk

Files

2024-06-26_d4a37631299f42b709ab20ee6b7a1f8c_ryuk
.exe windows:5 windows x64 arch:x64

a62ff465f3ead2e578f02d3a2d749b7b

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

GetLastError
SetDllDirectoryW
GetModuleFileNameW
GetProcAddress
GetCommandLineW
GetEnvironmentVariableW
SetEnvironmentVariableW
ExpandEnvironmentStringsW
GetTempPathW
WaitForSingleObject
Sleep
GetExitCodeProcess
CreateProcessW
GetStartupInfoW
LoadLibraryExW
GetShortPathNameW
FormatMessageW
LoadLibraryA
MultiByteToWideChar
WideCharToMultiByte
SetEndOfFile
HeapReAlloc
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetModuleHandleW
RtlUnwindEx
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetCommandLineA
ReadFile
CreateFileW
GetDriveTypeW
GetFileType
CloseHandle
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetFullPathNameW
GetFullPathNameA
CreateDirectoryW
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
GetTimeZoneInformation
HeapSize
RaiseException

ws2_32

ntohl

Sections

.text
Size: 133KB - Virtual size: 132KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 61KB - Virtual size: 60KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 60KB

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: 59KB - Virtual size: 58KB

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

a62ff465f3ead2e578f02d3a2d749b7b

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

ws2_32

Sections

.text Size: 133KB - Virtual size: 132KB

.rdata Size: 61KB - Virtual size: 60KB

.data Size: 3KB - Virtual size: 60KB

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

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

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

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

.text
Size: 133KB - Virtual size: 132KB

.rdata
Size: 61KB - Virtual size: 60KB

.data
Size: 3KB - Virtual size: 60KB

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

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

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

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