aeee95ee29c0431fe98eb5be3d5b7b492c0a0da480bd49c6e4b99666f15ed868

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
22-12-2023 13:47

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General

Target

sc/x.pl
Size

2KB
MD5

6c781b789681b44cec956d302eae3413
SHA1

fb12598e1d8953f3300ac4e36c0eee5761010150
SHA256

9701be1c4e213b24baf7b99636097b884ea1fb71c024b0a0b26739bccec0134c
SHA512

e48483c3912c4847fd4deac90a5e42eb99033ca310ffac6fcd17a98e49af562d5a6ec9b77ea9859065eebd26f982d3d95d904153ace014853232918710c76fb0

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 12 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\.pl	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\pl_auto_file\shell\edit	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\pl_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\pl_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\pl_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\.pl\ = "pl_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\pl_auto_file\shell\edit\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\pl_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\pl_auto_file\shell\open	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\pl_auto_file\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\pl_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
1176	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 2736	1224	cmd.exe	29
PID 1224 wrote to memory of 2736	1224	cmd.exe	29
PID 1224 wrote to memory of 2736	1224	cmd.exe	29
PID 2736 wrote to memory of 1176	2736	rundll32.exe	30
PID 2736 wrote to memory of 1176	2736	rundll32.exe	30
PID 2736 wrote to memory of 1176	2736	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\sc\x.pl
1⤵
- Suspicious use of WriteProcessMemory
PID:1224
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\sc\x.pl
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2736
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\sc\x.pl
    3⤵
    - Opens file in notepad (likely ransom note)
    PID:1176

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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