2024-02-21_1e7c75d37e5fc9b349584225f41c54cc_ryuk

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General

Target

2024-02-21_1e7c75d37e5fc9b349584225f41c54cc_ryuk
Size

3.0MB
MD5

1e7c75d37e5fc9b349584225f41c54cc
SHA1

8ffae2be9f95a3340395a6bcd745233b4a2ddede
SHA256

25df601b189ecf1c84c86b69092efe6cdd828b63f97b1735ba1befecddc400ce
SHA512

bb16024a68246291d9fe4f043e4117a8bdb451b23802287becefe9934b9e5a994ae373f2ab6d7a5fa14cdea5d93d5839e0a4d7a22543bf44991ef1166b62e35c
SSDEEP

98304:fVn0guB9q+Vc+4jmZd0Fv0EIwyB1/RK3zT:fVn0gC9q+X3pMDT

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
2024-02-21_1e7c75d37e5fc9b349584225f41c54cc_ryuk

Files

2024-02-21_1e7c75d37e5fc9b349584225f41c54cc_ryuk
.exe windows:5 windows x64 arch:x64

8808907ae83d3ff746be7d9e88a9531e

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

user32

MessageBoxW
MessageBoxA
SystemParametersInfoW
DestroyIcon
SetWindowLongPtrW
GetWindowLongPtrW
GetClientRect
InvalidateRect
ReleaseDC
GetDC
DrawTextW
GetDialogBaseUnits
EndDialog
DialogBoxIndirectParamW
MoveWindow
CreateWindowExW
SendMessageW

comctl32

ord380

kernel32

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

advapi32

GetTokenInformation
OpenProcessToken
ConvertStringSecurityDescriptorToSecurityDescriptorW
ConvertSidToStringSidW

gdi32

SelectObject
DeleteObject
CreateFontIndirectW

Sections

.text
Size: 144KB - Virtual size: 144KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 70KB - Virtual size: 69KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

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
main.pyc

Sharing

General

Malware Config

Signatures

Files

8808907ae83d3ff746be7d9e88a9531e

Headers

DLL Characteristics

File Characteristics

Imports

user32

comctl32

kernel32

advapi32

gdi32

Sections

.text Size: 144KB - Virtual size: 144KB

.rdata Size: 70KB - Virtual size: 69KB

.data Size: 3KB - Virtual size: 12KB

.pdata Size: 8KB - Virtual size: 7KB

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

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

.text
Size: 144KB - Virtual size: 144KB

.rdata
Size: 70KB - Virtual size: 69KB

.data
Size: 3KB - Virtual size: 12KB

.pdata
Size: 8KB - Virtual size: 7KB

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

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