Overview
overview
10Static
static
10RtkAudUService64.exe
windows7-x64
7RtkAudUService64.exe
windows10-2004-x64
7discord_to...er.pyc
windows7-x64
3discord_to...er.pyc
windows10-2004-x64
3get_cookies.pyc
windows7-x64
3get_cookies.pyc
windows10-2004-x64
3misc.pyc
windows7-x64
3misc.pyc
windows10-2004-x64
3passwords_grabber.pyc
windows7-x64
3passwords_grabber.pyc
windows10-2004-x64
3source_prepared.pyc
windows7-x64
3source_prepared.pyc
windows10-2004-x64
3Behavioral task
behavioral1
Sample
RtkAudUService64.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
RtkAudUService64.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
discord_token_grabber.pyc
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
discord_token_grabber.pyc
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
get_cookies.pyc
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
get_cookies.pyc
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
misc.pyc
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
misc.pyc
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
passwords_grabber.pyc
Resource
win7-20240708-en
Behavioral task
behavioral10
Sample
passwords_grabber.pyc
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
source_prepared.pyc
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
source_prepared.pyc
Resource
win10v2004-20240802-en
General
-
Target
RtkAudUService64.exe
-
Size
74.7MB
-
MD5
3043c13e74eab4e910dc2a3f2ff9a97d
-
SHA1
128f6df1a59a97296dd7e95fec3875ea8c0ba0c3
-
SHA256
3fcdf428a7c2853ade38ee0dc6c4e8ac9598a3e0dff99879fd7524c270c7967c
-
SHA512
dee80ddd2c034c0076c6b340cc6dce3a1e1ae2e0d8217563b7b967d6837543aa5e722d84e64104c569bd1d86908aab11463ed813fc767e67d0ebc82d6016f2fd
-
SSDEEP
1572864:rvl9Q1l3ISk8IpG7V+VPhqUDE7BHlQonCiYKrhbOoAkTovSKZIgnW5l:rvl92hISkB05awUOHKGrFoxvSKegnW
Malware Config
Signatures
-
Detect Pysilon 1 IoCs
resource yara_rule static1/unpack001/source_prepared.pyc pysilon -
Pysilon family
-
Detects Pyinstaller 1 IoCs
resource yara_rule sample pyinstaller -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource RtkAudUService64.exe
Files
-
RtkAudUService64.exe.exe windows:6 windows x64 arch:x64
72c4e339b7af8ab1ed2eb3821c98713a
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
CreateWindowExW
ShutdownBlockReasonCreate
MsgWaitForMultipleObjects
ShowWindow
DestroyWindow
RegisterClassW
DefWindowProcW
PeekMessageW
DispatchMessageW
TranslateMessage
PostMessageW
GetMessageW
MessageBoxW
MessageBoxA
SystemParametersInfoW
DestroyIcon
SetWindowLongPtrW
GetWindowLongPtrW
GetClientRect
InvalidateRect
ReleaseDC
GetDC
DrawTextW
GetDialogBaseUnits
EndDialog
DialogBoxIndirectParamW
MoveWindow
SendMessageW
comctl32
ord380
kernel32
GetACP
IsValidCodePage
GetStringTypeW
GetFileAttributesExW
SetEnvironmentVariableW
FlushFileBuffers
GetCurrentDirectoryW
LCMapStringW
CompareStringW
FlsFree
GetOEMCP
GetCPInfo
GetModuleHandleW
MulDiv
FormatMessageW
GetLastError
GetModuleFileNameW
LoadLibraryExW
SetDllDirectoryW
CreateSymbolicLinkW
GetProcAddress
GetEnvironmentStringsW
GetCommandLineW
GetEnvironmentVariableW
ExpandEnvironmentStringsW
DeleteFileW
FindClose
FindFirstFileW
FindNextFileW
GetDriveTypeW
RemoveDirectoryW
GetTempPathW
CloseHandle
QueryPerformanceCounter
QueryPerformanceFrequency
WaitForSingleObject
Sleep
GetCurrentProcess
TerminateProcess
GetExitCodeProcess
CreateProcessW
GetStartupInfoW
FreeLibrary
LocalFree
SetConsoleCtrlHandler
K32EnumProcessModules
K32GetModuleFileNameExW
CreateFileW
FindFirstFileExW
GetFinalPathNameByHandleW
MultiByteToWideChar
WideCharToMultiByte
FlsSetValue
FreeEnvironmentStringsW
GetProcessHeap
GetTimeZoneInformation
HeapSize
HeapReAlloc
WriteConsoleW
SetEndOfFile
CreateDirectoryW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
RtlUnwindEx
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
EncodePointer
RaiseException
RtlPcToFileHeader
GetCommandLineA
GetFileInformationByHandle
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
ReadFile
GetFullPathNameW
SetStdHandle
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleExW
HeapFree
GetConsoleMode
ReadConsoleW
SetFilePointerEx
GetConsoleOutputCP
GetFileSizeEx
HeapAlloc
FlsAlloc
FlsGetValue
advapi32
OpenProcessToken
GetTokenInformation
ConvertStringSecurityDescriptorToSecurityDescriptorW
ConvertSidToStringSidW
gdi32
SelectObject
DeleteObject
CreateFontIndirectW
Sections
.text Size: 168KB - Virtual size: 167KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 75KB - Virtual size: 74KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 114KB - Virtual size: 113KB
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
-
discord_token_grabber.pyc
-
get_cookies.pyc
-
misc.pyc
-
passwords_grabber.pyc
-
source_prepared.pyc