2024-04-21_4daf4e8b1dbb5d839eaaa1bd9029dc69_ryuk

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General

Target

2024-04-21_4daf4e8b1dbb5d839eaaa1bd9029dc69_ryuk
Size

9.5MB
MD5

4daf4e8b1dbb5d839eaaa1bd9029dc69
SHA1

96e6310b61aed6a4aa8774c393707c82fb321482
SHA256

ecd2ba6ab3f7eef0768cbbf2ffc2147751c749425d38c00e990e6224027b0edf
SHA512

90d3ae898df912730d77295a3158d6db3d79232b6a8d245e0f66efa37747d0a541dd870cedc192ab2cdd4798b1b7c0c1a5a1cf7c046712e7f54539d2f09fd5b7
SSDEEP

196608:TvOU+GIxr9onJ5hrZERlyiU8AdZYJERS48RmU/3ZlsPvarTig8C+P9lHqb9R:YPt9c5hlERJAdZYygtN3ZWarWP9S

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
2024-04-21_4daf4e8b1dbb5d839eaaa1bd9029dc69_ryuk

Files

2024-04-21_4daf4e8b1dbb5d839eaaa1bd9029dc69_ryuk
.exe windows:5 windows x64 arch:x64

ba54e48d0f0346b349e9f7a2c8ecaf5c

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

HeapReAlloc
GetLastError
SetDllDirectoryW
GetModuleFileNameW
GetProcAddress
GetCommandLineW
GetEnvironmentVariableW
SetEnvironmentVariableW
ExpandEnvironmentStringsW
GetTempPathW
SetEndOfFile
Sleep
GetExitCodeProcess
CreateProcessW
GetStartupInfoW
LoadLibraryExW
CreateDirectoryW
FormatMessageW
LoadLibraryA
MultiByteToWideChar
WideCharToMultiByte
WaitForSingleObject
GetDriveTypeW
HeapSize
GetTimeZoneInformation
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
RaiseException
GetFileType
CloseHandle
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetFullPathNameW
GetFullPathNameA
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

ConvertStringSecurityDescriptorToSecurityDescriptorW

ws2_32

ntohl

Sections

.text
Size: 130KB - Virtual size: 129KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 61KB - 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: 60KB - Virtual size: 59KB

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
xyz.pyc

Sharing

General

Malware Config

Signatures

Files

ba54e48d0f0346b349e9f7a2c8ecaf5c

Headers

DLL Characteristics

File Characteristics

Imports

user32

kernel32

advapi32

ws2_32

Sections

.text Size: 130KB - Virtual size: 129KB

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

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

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

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

.rsrc Size: 60KB - Virtual size: 59KB

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

.text
Size: 130KB - Virtual size: 129KB

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

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

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

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

.rsrc
Size: 60KB - Virtual size: 59KB

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