5ba34a26fbe52308f211bd510e4879d8aef77b7c40978851e4b0a8f8a7d2ff88

Analysis

max time kernel
122s
max time network
130s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07/03/2024, 07:09

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General

Target

Nexus-MultiTool-main/Helper/Funcs/token_spammer.py
Size

1KB
MD5

6f6797ea72117163753a43832d3ddbb3
SHA1

8bfd0ca0de059f45ac8f53923d2b4361dd8ae0cb
SHA256

d161391a60f58b53b68a4821f2448009d3bb6e42bc2e561c553f2f574a0b9cda
SHA512

21441ffe68bbdc52639b804456fb0b2b9e2765aa179c7991a39ee3322b12fcb130f1537b43e9be91d9757ac15fb215e454277e0a95d707167f66423ea4f0a762

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-1-5-21-2461186416-2307104501-1787948496-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2612	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2612	AcroRd32.exe
2612	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 2728	2144	cmd.exe	29
PID 2144 wrote to memory of 2728	2144	cmd.exe	29
PID 2144 wrote to memory of 2728	2144	cmd.exe	29
PID 2728 wrote to memory of 2612	2728	rundll32.exe	30
PID 2728 wrote to memory of 2612	2728	rundll32.exe	30
PID 2728 wrote to memory of 2612	2728	rundll32.exe	30
PID 2728 wrote to memory of 2612	2728	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Nexus-MultiTool-main\Helper\Funcs\token_spammer.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2144
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Nexus-MultiTool-main\Helper\Funcs\token_spammer.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2728
- - 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\Nexus-MultiTool-main\Helper\Funcs\token_spammer.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2612

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

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Downloads

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

Filesize
3KB

MD5
ff51c269d7c875c5fea6fc88292e9c4e

SHA1
12c17c9e7991b4281ffc519d4ab14661aa01e5b9

SHA256
d2a4c4482569658ab2395d4d47f57b309af52ca25e57ab742c2984db63889bb5

SHA512
c4887efd3569898134c84f349d5df85593ab26500ec94e54b4c8c20820b9ec45b4701fe02af3429920fe23d79a2c39cbe55808f8a421138c508a62bf517cc9fb

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