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
121s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
10/06/2024, 13:22

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General

Target

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

4KB
MD5

d3d2c2469f0f3e335cc3bfc343aaeb0d
SHA1

3db2a71c63dda6ffbe66ddd9c101d7a0f2266be8
SHA256

58005391141c40223e90e3e6e1f98ec8ac69b9cb0c46e5fb8ec98cd646eda0dd
SHA512

ea012e34d593c32b0fdf1ef3376468bc2e40914beb476a4fd3b127eaca659e9957e936017f199bfd893e54ca07a0dcdd3b7cd6579226c0d3f91b4b6d97f5aa7a
SSDEEP

48:eYQn45DIAtaAhvOiFjjn80sUpSN4G58mVtac6uo/iftaghvrYqy5taghvj:eD4l0AhJjz8M0CG58m2h6Ygh8Egh7

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-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\py_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_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-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2464	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2464	AcroRd32.exe
2464	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 2908	2700	cmd.exe	29
PID 2700 wrote to memory of 2908	2700	cmd.exe	29
PID 2700 wrote to memory of 2908	2700	cmd.exe	29
PID 2908 wrote to memory of 2464	2908	rundll32.exe	30
PID 2908 wrote to memory of 2464	2908	rundll32.exe	30
PID 2908 wrote to memory of 2464	2908	rundll32.exe	30
PID 2908 wrote to memory of 2464	2908	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\PySilon-malware-main\resources\source_code\file_downloading.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2700
- 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.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2908
- - 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⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2464

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
de293baee383fafcdc9dc09f05fd582f

SHA1
3c623ce7ac98352ee3c422e7d7b5fe3f6da4dce2

SHA256
d278ffe72c5a3858ab9f10d8b44cae7e00408fb2b248b426f76c7855a9dd94bc

SHA512
5cf880a00f41a5b86e78b7a15b2a86ab6d96fef02c3c4983a582e034ad0c5e281d5df8bee8b091f237f2187065e3f57e95e45ff547cc21eb8edae590c546707a

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