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/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-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_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-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\py_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.py	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1300	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1300	AcroRd32.exe
1300	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 616 wrote to memory of 2336	616	cmd.exe	29
PID 616 wrote to memory of 2336	616	cmd.exe	29
PID 616 wrote to memory of 2336	616	cmd.exe	29
PID 2336 wrote to memory of 1300	2336	rundll32.exe	30
PID 2336 wrote to memory of 1300	2336	rundll32.exe	30
PID 2336 wrote to memory of 1300	2336	rundll32.exe	30
PID 2336 wrote to memory of 1300	2336	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:616
- 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:2336
- - 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:1300

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
2c068e8771ce6137ab00401e61a547b4

SHA1
8bebb8f0fb03eae7077c19c5a61cc12fd2cafca3

SHA256
b57b2bb8b380f40a653e0fd9ed2b98bc8910e1b54078a67abda715e0e05802fc

SHA512
ab7001de57456e662e1de23de305c3f0a7d32418cdaec2255dadd87b29ac6f56ed501e3312fed3a77fcdd842c7472b9784a46138e5f8cac457b72ef6de40d9da

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