Overview
overview
8Static
static
8PySilon-ma...nux.sh
ubuntu-18.04-amd64
1PySilon-ma...nux.sh
debian-9-armhf
1PySilon-ma...nux.sh
debian-9-mips
1PySilon-ma...nux.sh
debian-9-mipsel
1PySilon-ma...on.bat
windows7-x64
1PySilon-ma...on.bat
windows10-2004-x64
1PySilon-ma...der.py
windows7-x64
3PySilon-ma...der.py
windows10-2004-x64
3PySilon-ma...ler.py
windows7-x64
3PySilon-ma...ler.py
windows10-2004-x64
3PySilon-ma...ber.py
windows7-x64
3PySilon-ma...ber.py
windows10-2004-x64
3PySilon-ma...ies.py
windows7-x64
3PySilon-ma...ies.py
windows10-2004-x64
3PySilon-ma...64.dll
windows7-x64
1PySilon-ma...64.dll
windows10-2004-x64
1PySilon-ma...isc.py
windows7-x64
3PySilon-ma...isc.py
windows10-2004-x64
3PySilon-ma...ber.py
windows7-x64
3PySilon-ma...ber.py
windows10-2004-x64
3PySilon-ma...ons.py
windows7-x64
3PySilon-ma...ons.py
windows10-2004-x64
3PySilon-ma...rol.py
windows7-x64
3PySilon-ma...rol.py
windows10-2004-x64
3PySilon-ma...put.py
windows7-x64
3PySilon-ma...put.py
windows10-2004-x64
3PySilon-ma...sod.py
windows7-x64
3PySilon-ma...sod.py
windows10-2004-x64
3PySilon-ma...per.py
windows7-x64
3PySilon-ma...per.py
windows10-2004-x64
3PySilon-ma...ing.py
windows7-x64
3PySilon-ma...ing.py
windows10-2004-x64
3Analysis
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max time kernel
118s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
05-09-2024 12:18
Behavioral task
behavioral1
Sample
PySilon-malware-main/PySilon-linux.sh
Resource
ubuntu1804-amd64-20240611-en
Behavioral task
behavioral2
Sample
PySilon-malware-main/PySilon-linux.sh
Resource
debian9-armhf-20240611-en
Behavioral task
behavioral3
Sample
PySilon-malware-main/PySilon-linux.sh
Resource
debian9-mipsbe-20240611-en
Behavioral task
behavioral4
Sample
PySilon-malware-main/PySilon-linux.sh
Resource
debian9-mipsel-20240729-en
Behavioral task
behavioral5
Sample
PySilon-malware-main/PySilon.bat
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
PySilon-malware-main/PySilon.bat
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
PySilon-malware-main/builder.py
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
PySilon-malware-main/builder.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
PySilon-malware-main/compiler.py
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
PySilon-malware-main/compiler.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
PySilon-malware-main/resources/discord_token_grabber.py
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
PySilon-malware-main/resources/discord_token_grabber.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
PySilon-malware-main/resources/get_cookies.py
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
PySilon-malware-main/resources/get_cookies.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
PySilon-malware-main/resources/libopus-0.x64.dll
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
PySilon-malware-main/resources/libopus-0.x64.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral17
Sample
PySilon-malware-main/resources/misc.py
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
PySilon-malware-main/resources/misc.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral19
Sample
PySilon-malware-main/resources/passwords_grabber.py
Resource
win7-20240903-en
Behavioral task
behavioral20
Sample
PySilon-malware-main/resources/passwords_grabber.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral21
Sample
PySilon-malware-main/resources/protections.py
Resource
win7-20240903-en
Behavioral task
behavioral22
Sample
PySilon-malware-main/resources/protections.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral23
Sample
PySilon-malware-main/resources/source_code/audio_control.py
Resource
win7-20240903-en
Behavioral task
behavioral24
Sample
PySilon-malware-main/resources/source_code/audio_control.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral25
Sample
PySilon-malware-main/resources/source_code/block_input.py
Resource
win7-20240708-en
Behavioral task
behavioral26
Sample
PySilon-malware-main/resources/source_code/block_input.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral27
Sample
PySilon-malware-main/resources/source_code/bsod.py
Resource
win7-20240729-en
Behavioral task
behavioral28
Sample
PySilon-malware-main/resources/source_code/bsod.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral29
Sample
PySilon-malware-main/resources/source_code/crypto_clipper.py
Resource
win7-20240903-en
Behavioral task
behavioral30
Sample
PySilon-malware-main/resources/source_code/crypto_clipper.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral31
Sample
PySilon-malware-main/resources/source_code/file_downloading.py
Resource
win7-20240903-en
Behavioral task
behavioral32
Sample
PySilon-malware-main/resources/source_code/file_downloading.py
Resource
win10v2004-20240802-en
General
-
Target
PySilon-malware-main/resources/source_code/file_downloading.py
-
Size
4KB
-
MD5
d3d2c2469f0f3e335cc3bfc343aaeb0d
-
SHA1
3db2a71c63dda6ffbe66ddd9c101d7a0f2266be8
-
SHA256
58005391141c40223e90e3e6e1f98ec8ac69b9cb0c46e5fb8ec98cd646eda0dd
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SHA512
ea012e34d593c32b0fdf1ef3376468bc2e40914beb476a4fd3b127eaca659e9957e936017f199bfd893e54ca07a0dcdd3b7cd6579226c0d3f91b4b6d97f5aa7a
-
SSDEEP
48:eYQn45DIAtaAhvOiFjjn80sUpSN4G58mVtac6uo/iftaghvrYqy5taghvj:eD4l0AhJjz8M0CG58m2h6Ygh8Egh7
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AcroRd32.exe -
Modifies registry class 9 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\py_auto_file rundll32.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\py_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\py_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\py_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\py_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.py rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.py\ = "py_auto_file" rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2312 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2312 AcroRd32.exe 2312 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2532 wrote to memory of 2192 2532 cmd.exe 32 PID 2532 wrote to memory of 2192 2532 cmd.exe 32 PID 2532 wrote to memory of 2192 2532 cmd.exe 32 PID 2192 wrote to memory of 2312 2192 rundll32.exe 33 PID 2192 wrote to memory of 2312 2192 rundll32.exe 33 PID 2192 wrote to memory of 2312 2192 rundll32.exe 33 PID 2192 wrote to memory of 2312 2192 rundll32.exe 33
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\PySilon-malware-main\resources\source_code\file_downloading.py1⤵
- Suspicious use of WriteProcessMemory
PID:2532 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\PySilon-malware-main\resources\source_code\file_downloading.py2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2192 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\PySilon-malware-main\resources\source_code\file_downloading.py"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2312
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
3KB
MD5608e0db3ecd1416a9cf2c594935d4e17
SHA137bde838f81a1b810c6588a79be9867b13d823b6
SHA25604141bd703079c479e83ecfe376457dac7f4cf0504ad120a0bc9611fa4b82483
SHA5120a3e8d14a7662c86bdc68c7f77404895866b4c9db0910b1f8e3f784cecdb147038c5d1cd5d634a9c28e05020d2b5788087fe31bf605d821216fbba6622b2e054