42f47cb41507151ec2db8422662adfd8d234533874740b6680ebd06f4f359403

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
03-07-2024 03:33

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General

Target

PySilon-malware-3.7.5/resources/source_code/crypto_clipper.py
Size

4KB
MD5

8e512488105128ef43b45a026c02bcb2
SHA1

3728ddbb7f1af53bd3c0a3afce4bf38e99fa7b6f
SHA256

a10f1d124d8b4d22cb0a612493c747d06209dd3a793965fda8b4de9d075ff34e
SHA512

46118eac86c291bb7e46bf1a9ea07d62388a3e09f25d79c69e08d42f3bdaf6be68dcb60d8e69936c80f97b0dddfcacc6e073a221736f808a4d744ba6aabc8864
SSDEEP

96:a1LoVOBa5ASQtCd45yO5HvgyKo/WzIRLTwM/hRBSLUrPlb/W/R//tXM/xR0:xOBa5ASQtCd4IO5Pv+0iMJXTZ+/Z/pMQ

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2896 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2896 AcroRd32.exe
2896 AcroRd32.exe

pid	process
2896	AcroRd32.exe

pid	process
2896	AcroRd32.exe
2896	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1312 wrote to memory of 2744	1312	cmd.exe	rundll32.exe
PID 1312 wrote to memory of 2744	1312	cmd.exe	rundll32.exe
PID 1312 wrote to memory of 2744	1312	cmd.exe	rundll32.exe
PID 2744 wrote to memory of 2896	2744	rundll32.exe	AcroRd32.exe
PID 2744 wrote to memory of 2896	2744	rundll32.exe	AcroRd32.exe
PID 2744 wrote to memory of 2896	2744	rundll32.exe	AcroRd32.exe
PID 2744 wrote to memory of 2896	2744	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\PySilon-malware-3.7.5\resources\source_code\crypto_clipper.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1312

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-3.7.5\resources\source_code\crypto_clipper.py
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2744

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-3.7.5\resources\source_code\crypto_clipper.py"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2896

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Filesize
3KB

MD5
a3421681b06ccd65f36ec803a7c2c598

SHA1
4dcc8c6dd4a9ae1aa0f0bfacea0a6d7b9d0e5bb6

SHA256
ffcccd908f2a798546edaa3b2a00b7ecd44b81fe157440551b0bbc79b5d2c838

SHA512
b2ca27ef61c95ff9d53bda6e86631faca8bdffedcb097629fcf29fc88a9ffe390d210f8d66f228fb29d1ecb26b3695a113ff6a5d12ddda1482f3d953d1153f82

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