a974f28684d62fb86112d66c02b36d0a3456ddfd7a0e3227f24e79a707bba79c

Resubmissions

10-06-2024 13:26

240610-qpxbcsxbra 8

10-06-2024 13:22

240610-qmq2kaxfll 8

10-06-2024 13:16

240610-qh9m4swhle 8

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
10-06-2024 13:26

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General

Target

PySilon-malware-main/resources/source_code/audio_control.py
Size

3KB
MD5

6a760b020cd268cbb98d75c56a8a4862
SHA1

42361cb81b705d959c6d4107397f675467531446
SHA256

adc2207e1c6b83eb6dabb2963f1f518e7b469394871b70688c7acd26df115a92
SHA512

a95a174012ae155a1643e1d6f6333a3dbb9b5398c39602fb53ec0c5eebcb140c0b128477a23e01debe6fcfefb9b1bf8e5c1784404d0f1b44a1cf59b55f00a8b2

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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\py_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1436	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1436	AcroRd32.exe
1436	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 2740	2388	cmd.exe	29
PID 2388 wrote to memory of 2740	2388	cmd.exe	29
PID 2388 wrote to memory of 2740	2388	cmd.exe	29
PID 2740 wrote to memory of 1436	2740	rundll32.exe	30
PID 2740 wrote to memory of 1436	2740	rundll32.exe	30
PID 2740 wrote to memory of 1436	2740	rundll32.exe	30
PID 2740 wrote to memory of 1436	2740	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\PySilon-malware-main\resources\source_code\audio_control.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2388
- 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\audio_control.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2740
- - 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\audio_control.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
466a2d73fc09c3a1a1b444acb7591138

SHA1
566e357409d240779b4a91c52dd6c20f7664d457

SHA256
dcc91b03dd12b63c0f5bf08ab70183124a26928681256c4f206e7212cfaaf7d5

SHA512
c6df37f32e67c0fa10781a848f3537d24f90bc3e475b01369de334b883e757ab41384626d8edd5979d386e0812a1cf425e232969d6196dadb4dee60e017a26a4

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