2024-04-26_053caaefbe0f2fd7b1d232318e56ced1_ryuk

Sharing

Copy URL Twitter E-mail

General

Target

2024-04-26_053caaefbe0f2fd7b1d232318e56ced1_ryuk
Size

3.2MB
MD5

053caaefbe0f2fd7b1d232318e56ced1
SHA1

6e021aa36f84fec2f89515d6811a6c4ec0df7487
SHA256

18d78af67940dc8316d8cc015f749e2385cca8c8e482a3b23f897c9ea8a9bad0
SHA512

0105dcbac1c6e456e07870fb144a57bbd46b8015b4ff9565b3ea74291ee80d9a77e27e558e91fe1f0c3d82b052ba0cd77efcde30b522c7e62098d54b792ec470
SSDEEP

98304:JVnWteOBFp+81FkDSmZ/pdv0ENNXtyV+gtiu:JVnWtxFp+81EniT

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
2024-04-26_053caaefbe0f2fd7b1d232318e56ced1_ryuk

Files

2024-04-26_053caaefbe0f2fd7b1d232318e56ced1_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