a974f28684d62fb86112d66c02b36d0a3456ddfd7a0e3227f24e79a707bba79c

Resubmissions

10-06-2024 13:26

240610-qpxbcsxbra 8

10-06-2024 13:22

240610-qmq2kaxfll 8

10-06-2024 13:16

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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
10-06-2024 13:26

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General

Target

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

2KB
MD5

b70feedd80d5267aadc24132ecda5633
SHA1

1f4995eee52226ca1c2d6c54ea98900120093c88
SHA256

346216866f911ddd4a4f80ac15dcf25d3fc6a49a9024f19facc599561afc1072
SHA512

0471eb21e3ff9f99f4afb3fb174f453a9b7c7096576791fb8e23a47eba78706ccd53de6011ed3f91eccd23f187b80a56980ef2360c95285fc69d94779cac73c6

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-1-5-21-481678230-3773327859-3495911762-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\py_auto_file	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\Read	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	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

pid	Process
2100	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2100	AcroRd32.exe
2100	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1876 wrote to memory of 2744	1876	cmd.exe	29
PID 1876 wrote to memory of 2744	1876	cmd.exe	29
PID 1876 wrote to memory of 2744	1876	cmd.exe	29
PID 2744 wrote to memory of 2100	2744	rundll32.exe	30
PID 2744 wrote to memory of 2100	2744	rundll32.exe	30
PID 2744 wrote to memory of 2100	2744	rundll32.exe	30
PID 2744 wrote to memory of 2100	2744	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\PySilon-malware-main\resources\source_code\block_input.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1876
- 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\block_input.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-main\resources\source_code\block_input.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2100

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
6623d6856dd096a64d0ce7735e023070

SHA1
5120d2a287d3cac22eae833d83d12ae3bf1bf26f

SHA256
5fd0956e6057f8ba53bbe9b9d9f880499713a394f13c98f85e2e382b3462540b

SHA512
21ce1dc75c3210716b0a93579fdbf10e154918fafd8f4dde73e865f5b5ea334fec455f991177dbd9375939c31dbb724a6bfde11831c8b83d4058b0ca03945510

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