pysilon | update[.]exe

Resubmissions

09-07-2024 14:44

240709-r4mk5szhjd 10

09-07-2024 06:01

240709-grb9jayhmm 10

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General

Target

update.exe
Size

23.3MB
MD5

8383660bd699333d99d9e8d8b15695d5
SHA1

ad37d89c18b6fa4b12b17a94699df0718cb26847
SHA256

248177aedd5494f5cb121d9b7644fc6b8bf68fc636dbe7d9c7b0530ae30d7df3
SHA512

5039509b10919f206c43035067f9c8a0ee814ae0679a4e9a22316cf9a1e1aed7cf7a0be5f3140a5c8a97aa948665c3927f02888209fcd49b4d3082bc22170df2
SSDEEP

393216:HSJnn8JLvgqbPmYRQK7+b+ROtYnWiLrpJBslrkdrWuQpdptMx:OnnYLvgqbrRQlNAdL9HorMlQ5

Score

10^/10

pyinstaller pysilon

Malware Config

Signatures

Detect Pysilon 1 IoCs

resource	yara_rule
static1/unpack001/update.pyc	pysilon

Pysilon family
pysilon

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
sample	pyinstaller

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
update.exe

Files

update.exe
.exe windows:6 windows x86 arch:x86

ec4c6449b24c9d32ab43eca7a329e0d7

Headers

DLL Characteristics

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
IMAGE_FILE_32BIT_MACHINE

Imports

user32

CreateWindowExW
PostMessageW
GetMessageW
MessageBoxW
MessageBoxA
SystemParametersInfoW
DestroyIcon
SetWindowLongW
GetWindowLongW
GetClientRect
InvalidateRect
ReleaseDC
GetDC
DrawTextW
GetDialogBaseUnits
EndDialog
DialogBoxIndirectParamW
MoveWindow
SendMessageW

comctl32

ord380

kernel32

GetACP
IsValidCodePage
GetStringTypeW
GetFileAttributesExW
SetEnvironmentVariableW
FlushFileBuffers
GetCurrentDirectoryW
GetOEMCP
GetCPInfo
GetModuleHandleW
MulDiv
GetLastError
FormatMessageW
GetModuleFileNameW
SetDllDirectoryW
CreateSymbolicLinkW
GetProcAddress
CreateDirectoryW
GetCommandLineW
GetEnvironmentVariableW
ExpandEnvironmentStringsW
GetEnvironmentStringsW
FindClose
FindFirstFileW
FindNextFileW
GetDriveTypeW
RemoveDirectoryW
GetTempPathW
CloseHandle
WaitForSingleObject
Sleep
GetCurrentProcess
GetExitCodeProcess
CreateProcessW
GetStartupInfoW
FreeLibrary
LoadLibraryExW
LocalFree
SetConsoleCtrlHandler
K32EnumProcessModules
K32GetModuleFileNameExW
CreateFileW
FindFirstFileExW
GetFinalPathNameByHandleW
MultiByteToWideChar
WideCharToMultiByte
FreeEnvironmentStringsW
GetProcessHeap
GetTimeZoneInformation
HeapSize
HeapReAlloc
WriteConsoleW
SetEndOfFile
DeleteFileW
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
UnhandledExceptionFilter
DecodePointer
TerminateProcess
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
RtlUnwind
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
EncodePointer
RaiseException
GetCommandLineA
GetFileInformationByHandle
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
ReadFile
GetFullPathNameW
SetStdHandle
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleExW
HeapFree
GetConsoleMode
ReadConsoleW
SetFilePointerEx
GetConsoleOutputCP
GetFileSizeEx
HeapAlloc
CompareStringW
LCMapStringW

advapi32

OpenProcessToken
GetTokenInformation
ConvertStringSecurityDescriptorToSecurityDescriptorW
ConvertSidToStringSidW

gdi32

SelectObject
DeleteObject
CreateFontIndirectW

Sections

.text
Size: 150KB - Virtual size: 149KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 53KB - Virtual size: 53KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

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
update.pyc

Resubmissions

Sharing

General

Malware Config

Signatures

Files

ec4c6449b24c9d32ab43eca7a329e0d7

Headers

DLL Characteristics

File Characteristics

Imports

user32

comctl32

kernel32

advapi32

gdi32

Sections

.text Size: 150KB - Virtual size: 149KB

.rdata Size: 53KB - Virtual size: 53KB

.data Size: 3KB - Virtual size: 26KB

.rsrc Size: 1KB - Virtual size: 1KB

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

.text
Size: 150KB - Virtual size: 149KB

.rdata
Size: 53KB - Virtual size: 53KB

.data
Size: 3KB - Virtual size: 26KB

.rsrc
Size: 1KB - Virtual size: 1KB

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