31475717735f9aee20def2a4044b42a52cb92e8cf885b92a042099a273688135

Analysis

max time kernel
300s
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_msg.py
Size

5KB
MD5

38ed999a69cfe537c0645c6b014ce34c
SHA1

de486f3f23cacadfc57c74da34cdd4f34e7c2deb
SHA256

29f904dd7401b624e47b088bb8a238b5307263ac355a920f16596b98b08e8ad6
SHA512

499cfdd6a7b44e3d6ac2b341469b1205cc0e0110873be822849d9123abd27b124a9dfff93256cafc6d35ada13fa0abeadf2986e5ea7ea53f643c5c501cedd66f
SSDEEP

96:ef8rOUgxo3JBlqFUNnC8MKmozjcfDVuMiOy9Xudc4b:Y8DgAJ7qSNzjCDbinp+

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\.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
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
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
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
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\.py\ = "py_auto_file"	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

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1892 AcroRd32.exe
1892 AcroRd32.exe
1892 AcroRd32.exe

pid	process
1892	AcroRd32.exe
1892	AcroRd32.exe
1892	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1732 wrote to memory of 1108	1732	cmd.exe	rundll32.exe
PID 1732 wrote to memory of 1108	1732	cmd.exe	rundll32.exe
PID 1732 wrote to memory of 1108	1732	cmd.exe	rundll32.exe
PID 1108 wrote to memory of 1892	1108	rundll32.exe	AcroRd32.exe
PID 1108 wrote to memory of 1892	1108	rundll32.exe	AcroRd32.exe
PID 1108 wrote to memory of 1892	1108	rundll32.exe	AcroRd32.exe
PID 1108 wrote to memory of 1892	1108	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\plugin_msg.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1732

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\plugin_msg.py
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1108

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_msg.py"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1892

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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