e240bb62876617721332db51b1d9116c817cf6ef8664061675cd9d1e3e6f5aa2

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
08/05/2024, 00:16

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General

Target

Netti-Nuker-main/pyarmor_runtime_000000/__init__.py
Size

103B
MD5

567d7e2fd3302ca6c39f9d4889f7dcf1
SHA1

34d745d836aa01a921a38761170f944b181ff699
SHA256

32a10271ebbc3271627a1cfa8ca7914b849b3944e58a211312441a42b88a84da
SHA512

2a045db8228602c0e08353ad3ecfb5a5d345ad042f9b7b77171e051fa9eb3257b3794dd14530dffb3a7e6842b87c6bb216ecc9ab512893836e7a51900aa7f022

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 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\py_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_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-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2696	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2696	AcroRd32.exe
2696	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 2660	1728	cmd.exe	29
PID 1728 wrote to memory of 2660	1728	cmd.exe	29
PID 1728 wrote to memory of 2660	1728	cmd.exe	29
PID 2660 wrote to memory of 2696	2660	rundll32.exe	30
PID 2660 wrote to memory of 2696	2660	rundll32.exe	30
PID 2660 wrote to memory of 2696	2660	rundll32.exe	30
PID 2660 wrote to memory of 2696	2660	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Netti-Nuker-main\pyarmor_runtime_000000\__init__.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Netti-Nuker-main\pyarmor_runtime_000000\__init__.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2660
- - 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\Netti-Nuker-main\pyarmor_runtime_000000\__init__.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2696

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
25387bc9ced8b84cfe64a0eab80b01a1

SHA1
a285f6d55fd5435e8f3e5387bf80b4cec7dc1eea

SHA256
b1b71c5d2f582b801225ba900cfcf660a10dffc911fa2a6308998aee8c2e99c0

SHA512
8ee3a74d9ed06564e1bb29344d2e33e72512da2625dd77910f18e156f9fa2d65d4a2a367dd191842f2036528e200d23869a0e765ee8306fc57523b9580f2703e

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