37bf040c6960ed08c9b717cae5e0c90710572b3c6770072724ebdc2dc32ae102

Analysis

max time kernel
430s
max time network
431s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241211-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
20-12-2024 17:16

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General

Target

Stub.pyc
Size

799KB
MD5

4f491a348a821e6aeea2165fed088e61
SHA1

9e8f56cf3051d048831863a1062d873f3bdede9f
SHA256

a7f0638c056fb677753fefb44ea07b53a6c861593e330cde31e133fc2f23ef9c
SHA512

51a17367b09a2592bf2996cb29b8416b6e7363bdaf36934b9835a7b3ced58525c6a3773c7fcc43cd82702f7357d66543666f09d31e7318f8daa427ba9e98f7bd
SSDEEP

24576:bgTQUCoDiyPd2403duykvNHzLibie6xVJLUFb:bgTPC8KyNLiWekE

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 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2934520114-3201407646-466687995-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-2934520114-3201407646-466687995-1000_Classes\Local Settings	OpenWith.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
3100	NOTEPAD.EXE

Suspicious use of SetWindowsHookEx 15 IoCs

pid	Process
3276	OpenWith.exe
3276	OpenWith.exe
3276	OpenWith.exe
3276	OpenWith.exe
3276	OpenWith.exe
3276	OpenWith.exe
3276	OpenWith.exe
3276	OpenWith.exe
3276	OpenWith.exe
3276	OpenWith.exe
3276	OpenWith.exe
3276	OpenWith.exe
3276	OpenWith.exe
3276	OpenWith.exe
3276	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3276 wrote to memory of 3100	3276	OpenWith.exe	95
PID 3276 wrote to memory of 3100	3276	OpenWith.exe	95

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Stub.pyc
1⤵
- Modifies registry class
PID:1688

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3276
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Stub.pyc
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:3100

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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