5ba34a26fbe52308f211bd510e4879d8aef77b7c40978851e4b0a8f8a7d2ff88

Analysis

max time kernel
121s
max time network
127s
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/start.py
Size

1KB
MD5

22f06d4980023fc58b8f5cd57025becc
SHA1

e00edfd0dfa281a315ed6611127f18e7cee49890
SHA256

0e7b36088530ba2f08513a34d715e776051a2e635b5895cf17b5e52ed76b62aa
SHA512

a25b61d948344402eeb3d260bc7b8a5bc20886ed9fb3f7fe1c0e507fcc43943d8e5cb4a09534bb513e799141b0979fe95e93e5e5a5b1cbb48e29bfe7c45cb6fd

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-1-5-21-1658372521-4246568289-2509113762-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\py_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_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
2744	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2744	AcroRd32.exe
2744	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 2692	2296	cmd.exe	29
PID 2296 wrote to memory of 2692	2296	cmd.exe	29
PID 2296 wrote to memory of 2692	2296	cmd.exe	29
PID 2692 wrote to memory of 2744	2692	rundll32.exe	30
PID 2692 wrote to memory of 2744	2692	rundll32.exe	30
PID 2692 wrote to memory of 2744	2692	rundll32.exe	30
PID 2692 wrote to memory of 2744	2692	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Nexus-MultiTool-main\Helper\Funcs\start.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2296
- 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\start.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2692
- - 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\start.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2744

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
220182c4c7f3f27aa6972048699ecb4a

SHA1
cf5daaa98bf1893b1cb2149af2584ba9f69d321f

SHA256
309b3fa9fa0ec7ac835a3a2142ac9fa9908136485af2e177c547b1eab8989fe3

SHA512
febcd9de48a81c771b46080c69a253a35bd04bb70c2bbe4d74b34a34ca3e605d61e9b7e21e1a313b0bc28bd1f3c345fec0fefb70c486be1bc1fe1d419e22b242

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