af6db6f0e4a5928454be6b59f2a5c8a7eb75dbdae3178560081c48be23d62491

Analysis

max time kernel
162s
max time network
416s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
24-03-2023 04:12

Target

DVDFab.StreamFab.v6.1.1.3.Multilingual.Portable-x64/App/DVDFab12/PYthon37/Lib/test/test_marshal.py
Size

20KB
MD5

8eb9a73d39eb07bcde10b7856b4dd191
SHA1

f9ef0f816dc0e02b0e7a526bcb7006db25ba6509
SHA256

0576b50926ae9c10e35958f79b23d5bca93078897923e797f45116d3c84bdf05
SHA512

9de563b168e4bc3a1a652f60b72401b863b61f805731ecda163ba52cee34f9a2156f270ab0c1a1eb73ef975ebd3040744fc21b61e019780809c1d56b0a793cf8
SSDEEP

384:8UJAP02oumeU9yo+c1ge0xu/fg3JnSMPzq3T/hxoV0MLHeKk3bC08:8UJAP0zL5YeQJnSMPzq3LhxoV0MLHeKf

Score

3^/10

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\py_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\py_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
624	AcroRd32.exe
624	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 1592	1764	cmd.exe	28
PID 1764 wrote to memory of 1592	1764	cmd.exe	28
PID 1764 wrote to memory of 1592	1764	cmd.exe	28
PID 1592 wrote to memory of 624	1592	rundll32.exe	29
PID 1592 wrote to memory of 624	1592	rundll32.exe	29
PID 1592 wrote to memory of 624	1592	rundll32.exe	29
PID 1592 wrote to memory of 624	1592	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\DVDFab.StreamFab.v6.1.1.3.Multilingual.Portable-x64\App\DVDFab12\PYthon37\Lib\test\test_marshal.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1764
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\DVDFab.StreamFab.v6.1.1.3.Multilingual.Portable-x64\App\DVDFab12\PYthon37\Lib\test\test_marshal.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1592
- - 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\DVDFab.StreamFab.v6.1.1.3.Multilingual.Portable-x64\App\DVDFab12\PYthon37\Lib\test\test_marshal.py"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:624

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact