31475717735f9aee20def2a4044b42a52cb92e8cf885b92a042099a273688135

Analysis

max time kernel
300s
max time network
32s
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_version_vba.py
Size

1KB
MD5

634509790970174161c8c05d04160a4d
SHA1

eb1ebac727c9d103d9c5ae607bdd69129f34c37e
SHA256

11b54656aa85b70eabf8f90dde2e2d119b116761bd2e17210538368896c8f869
SHA512

f0a08e930be0220b9a6de0309d6f975d3b58bcb44e9589cd2c6b81b7bd32d4266e5d15855ee1480b2004afcdfa67c61a9965337a0c39bbbb8a64a2928ec331a8

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 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_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-1-5-21-1563773381-2037468142-1146002597-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\py_auto_file\shell	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1704 AcroRd32.exe
1704 AcroRd32.exe
1704 AcroRd32.exe

pid	process
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1424 wrote to memory of 1688	1424	cmd.exe	rundll32.exe
PID 1424 wrote to memory of 1688	1424	cmd.exe	rundll32.exe
PID 1424 wrote to memory of 1688	1424	cmd.exe	rundll32.exe
PID 1688 wrote to memory of 1704	1688	rundll32.exe	AcroRd32.exe
PID 1688 wrote to memory of 1704	1688	rundll32.exe	AcroRd32.exe
PID 1688 wrote to memory of 1704	1688	rundll32.exe	AcroRd32.exe
PID 1688 wrote to memory of 1704	1688	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\plugin_version_vba.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1424

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\plugin_version_vba.py
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1688

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_version_vba.py"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1704

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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