7ac69e9c3c906d311447b1f4235f1047673ce3b4882c5d45d8e2c60de6152972

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
13/04/2023, 02:38

Target

湖南婚姻/pyarmor_runtime_000000/__pycache__/__init__.cpython-39.pyc
Size

259B
MD5

e65ee473238f3f98a4898fff45a4d956
SHA1

846f596a49c3a45da45feae20bc18a7a2740b3ce
SHA256

dc937329de48d59348a9c50b73ff0b7fce6940fb12a8ee097d994b31403b7006
SHA512

ec1ba1f36f2005791d642748385e8a4e8e5fda45b7abc8238d805b5ab6574127523a65cd14e6ccc821f10d84206f5ed72529597ebf97d6ce7d662a150accc00f

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
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\.pyc\ = "pyc_auto_file"	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\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 580	1928	cmd.exe	29
PID 1928 wrote to memory of 580	1928	cmd.exe	29
PID 1928 wrote to memory of 580	1928	cmd.exe	29
PID 580 wrote to memory of 588	580	rundll32.exe	30
PID 580 wrote to memory of 588	580	rundll32.exe	30
PID 580 wrote to memory of 588	580	rundll32.exe	30
PID 580 wrote to memory of 588	580	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\湖南婚姻\pyarmor_runtime_000000\__pycache__\__init__.cpython-39.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1928
- 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\__pycache__\__init__.cpython-39.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:580
- - 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\__pycache__\__init__.cpython-39.pyc"
    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