7ac69e9c3c906d311447b1f4235f1047673ce3b4882c5d45d8e2c60de6152972

Analysis

max time kernel
151s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
13-04-2023 02:38

Target

湖南婚姻/pyarmor_runtime_000000/__init__.py
Size

104B
MD5

c902e8c9c4b7f159e9fb4779e9cc4f88
SHA1

98f26813cb68851c9d573597e4aa1708470877f1
SHA256

8418e01edd3c6b10ac3e1bb20a1acb91271cf28f7c3dd19d86c935f2890f79f5
SHA512

98a157b8f48c22553d999c7d090df2082e4edae30c246a1d985f3484a1bcbd1a1c08190837919b93b1b3e7c7926868e19160c3f38de19b18297b2f22ee550f2b

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-1-5-21-3948302646-268491222-1934009652-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_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-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\py_auto_file\shell	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 1124	1920	cmd.exe	29
PID 1920 wrote to memory of 1124	1920	cmd.exe	29
PID 1920 wrote to memory of 1124	1920	cmd.exe	29
PID 1124 wrote to memory of 588	1124	rundll32.exe	30
PID 1124 wrote to memory of 588	1124	rundll32.exe	30
PID 1124 wrote to memory of 588	1124	rundll32.exe	30
PID 1124 wrote to memory of 588	1124	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\湖南婚姻\pyarmor_runtime_000000\__init__.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1920
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\湖南婚姻\pyarmor_runtime_000000\__init__.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1124
- - 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\湖南婚姻\pyarmor_runtime_000000\__init__.py"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:588

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact