8b47e773a782361209f8adacc8d6aeefb595e1c13ae6813df7de01c20a15c91e

Analysis

max time kernel
125s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
08/02/2023, 15:39

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General

Target

MEMZ-master/WindowsTrojan/Data/genData.py
Size

2KB
MD5

81152303b2de9d9e11b16bce7959caec
SHA1

057cd5af3edae158399c7b9da942e1ff72be0210
SHA256

2076deedc4d01647f3eab8ad7fa950ee1db3f0eb9f23556bc1b9ae643b73a9c7
SHA512

c15f889bec69b86d6df00e879094d5b58302c8a07e8f97ad852cd4f8dc99e6231c78bb6f6577fbe4cc3bbb17e6e797c1eeaf976faf83a841a4e4af1b7cdd2b42

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 16 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\py_auto_file	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\py_auto_file\shell\edit\command	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\py_auto_file\shell\open\command	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\py_auto_file\shell\open	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\py_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\즃끍㓾耀q\ = "py_auto_file"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\즂끌㔀耀	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\즂끌㔀耀\ = "py_auto_file"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\py_auto_file\shell\edit	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\py_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\즃끍㓾耀q	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\py_auto_file\shell	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\.py	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\.py\ = "py_auto_file"	OpenWith.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1652	OpenWith.exe

Suspicious use of SetWindowsHookEx 37 IoCs

pid	Process
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe
1652	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 1208	1652	OpenWith.exe	89
PID 1652 wrote to memory of 1208	1652	OpenWith.exe	89

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\MEMZ-master\WindowsTrojan\Data\genData.py
1⤵
- Modifies registry class
PID:3500

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\MEMZ-master\WindowsTrojan\Data\genData.py
  2⤵
  PID:1208

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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