5ba34a26fbe52308f211bd510e4879d8aef77b7c40978851e4b0a8f8a7d2ff88

Analysis

max time kernel
117s
max time network
122s
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/proxy_checker.py
Size

1KB
MD5

d708732aceee592c97ce5f60dbbe0bc2
SHA1

506d64613bfdde12201535480e10bacfaee28136
SHA256

9202de95c482d40c8f7dbb57f6efd5bc31c78d99aaa4606ab02bfdd6c41440eb
SHA512

5a75484a07406bdffd1ecde2b6eafbdb7863fd0f8ba6cacaabf86599c482a7ac1a16e7b895246839a711c2000a584374bb36c7d3352c90fe354980e55fe184b2

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-1-5-21-3452737119-3959686427-228443150-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_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-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\py_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2712	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2712	AcroRd32.exe
2712	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2624	2328	cmd.exe	29
PID 2328 wrote to memory of 2624	2328	cmd.exe	29
PID 2328 wrote to memory of 2624	2328	cmd.exe	29
PID 2624 wrote to memory of 2712	2624	rundll32.exe	30
PID 2624 wrote to memory of 2712	2624	rundll32.exe	30
PID 2624 wrote to memory of 2712	2624	rundll32.exe	30
PID 2624 wrote to memory of 2712	2624	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Nexus-MultiTool-main\Helper\Funcs\proxy_checker.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2328
- 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\proxy_checker.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2624
- - 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\proxy_checker.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2712

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
0d20a6c352113811b8e89deb6d5b3cd0

SHA1
0ce39920617a99b9962e16c4d948a7edc06dbe74

SHA256
4ba3e91d5edc6d38b86d630dec77d60da18aa79bcabe0e4a259967551ba7903d

SHA512
f5ec29643d5dc115ccb745c9c23e4d1d049336cdf2c013d3e41615c25f1df14f10890fa6cb4179f5f247ec4a4e6db6df85559877f97569cb2ee5c1769661b3a7

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