31475717735f9aee20def2a4044b42a52cb92e8cf885b92a042099a273688135

Analysis

max time kernel
299s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
26-03-2023 04:40

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General

Target

plugin_clsid.py
Size

1KB
MD5

e7689a42210d83e7dd9ed36690e06067
SHA1

d7237f8e606a61a77d2d9920838003a42c953695
SHA256

04c0105d0fb3658d47ed73e8958029eaefc23fc9df6d9f53a70a1fb5e2defa07
SHA512

9625bcd63fa28994169d6c8c5d431d719f9a11110a07387612cafe73a168a46d80dd9fdf28669ec2fcb98c4985c5e4e7fa17ed9f3ac13225286fad0c18c85407

Score

3^/10

Malware Config

Signatures

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

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_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-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\py_auto_file\shell	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1544 AcroRd32.exe
1544 AcroRd32.exe
1544 AcroRd32.exe

pid	process
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 852 wrote to memory of 472	852	cmd.exe	rundll32.exe
PID 852 wrote to memory of 472	852	cmd.exe	rundll32.exe
PID 852 wrote to memory of 472	852	cmd.exe	rundll32.exe
PID 472 wrote to memory of 1544	472	rundll32.exe	AcroRd32.exe
PID 472 wrote to memory of 1544	472	rundll32.exe	AcroRd32.exe
PID 472 wrote to memory of 1544	472	rundll32.exe	AcroRd32.exe
PID 472 wrote to memory of 1544	472	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\plugin_clsid.py
1⤵
- Suspicious use of WriteProcessMemory
PID:852

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\plugin_clsid.py
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:472

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\plugin_clsid.py"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1544

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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