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
121s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10/06/2024, 13:16

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General

Target

PySilon-malware-main/compiler.py
Size

4KB
MD5

b08fe061cdd1c868f6468c57b74207ba
SHA1

d7cd5104baaef267920e8e5b2a2a3a37ce89e23e
SHA256

31c25920a4da1a98327590956dcfa98facc0d1e319a85b9692e36c58d43f64b6
SHA512

29ab4414f6e7a7e69b38ac23bf5b97b0a81b168ccf3fdd70f8d07f9a236783b7aa7437790d27d53ebdfb179d7dc4ffa0dc0f699a443c87e0228e71683570d2d3
SSDEEP

96:ODwmTAYUtPdz0I9dwsKgwC8n151QqlrAFUetud18ZCrGOF+L6v:O6YUtPUul+tQu0qe0p+L6v

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-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\py_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_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-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2592	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2592	AcroRd32.exe
2592	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1220 wrote to memory of 2620	1220	cmd.exe	29
PID 1220 wrote to memory of 2620	1220	cmd.exe	29
PID 1220 wrote to memory of 2620	1220	cmd.exe	29
PID 2620 wrote to memory of 2592	2620	rundll32.exe	30
PID 2620 wrote to memory of 2592	2620	rundll32.exe	30
PID 2620 wrote to memory of 2592	2620	rundll32.exe	30
PID 2620 wrote to memory of 2592	2620	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\PySilon-malware-main\compiler.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1220
- 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\compiler.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2620
- - 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\compiler.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2592

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
2666976e0a69eb124dff936137a8d572

SHA1
968460e2bf6725de1b5da4ae214307fb25fd650d

SHA256
50cc3d95b3fa0672a9b32bedaa60ca42f41c244e931e2181a96c639cc074f84a

SHA512
a4cf85b939005da36b4276c442689c1cea2b9b2ce169a1ada0ac0699cc649c165126404dc425eb7b0d08971bdc1d2a1268bea08a3b2ae246a813a49c089cb060

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