1c17b30ac3abbb4fa9d146b6a5d9027f9b19f25053b89db32320a7162553096a

Analysis

max time kernel
150s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
15/04/2023, 23:44

Target

testctf.py
Size

285KB
MD5

7cc766aca93132b9af445d554bab115a
SHA1

1569696f443c42c614c48d63a1c8d031ea168a6f
SHA256

1c17b30ac3abbb4fa9d146b6a5d9027f9b19f25053b89db32320a7162553096a
SHA512

af26b4046a6e35600ca11aef5cc078657c52cda192daefc0da0c57df7266c500fbf36004558edb4c10e4e9caceb9fa6bcc55b6146006f48fa3958a9e4d67b9f8
SSDEEP

6144:iXwHtT96TF4UP3kZmhbfdcAYyVQ00X9389VDXLzFiJ+ueWv+bPvAJ02uUlQ:igVa33CoTdr9V/zFj3bQJ096Q

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 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_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-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 624 wrote to memory of 772	624	cmd.exe	29
PID 624 wrote to memory of 772	624	cmd.exe	29
PID 624 wrote to memory of 772	624	cmd.exe	29
PID 772 wrote to memory of 1648	772	rundll32.exe	30
PID 772 wrote to memory of 1648	772	rundll32.exe	30
PID 772 wrote to memory of 1648	772	rundll32.exe	30
PID 772 wrote to memory of 1648	772	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\testctf.py
1⤵
- Suspicious use of WriteProcessMemory
PID:624
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\testctf.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:772
- - 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\testctf.py"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1648

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact