5ba34a26fbe52308f211bd510e4879d8aef77b7c40978851e4b0a8f8a7d2ff88

Analysis

max time kernel
118s
max time network
124s
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/remove_doubles.py
Size

1KB
MD5

8e69237cf11968d3dc406de6fd7970a7
SHA1

708fc60c418c79565c73ec226c914e2e4554ccb3
SHA256

92eb6016a369c89244085ff1a5d0fe2c7a3cd79b12808f60e2b9b20e56958d33
SHA512

34b7b9bcface2351b99f2d1e58b359aff9079733a511681535848a5b2b7d1ce7e9882ef12d210afa244350dd099d238b6c64cc9b6c57c88224bb154d229143fc

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-1-5-21-778096762-2241304387-192235952-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_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-1-5-21-778096762-2241304387-192235952-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\py_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\.py	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2452	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2452	AcroRd32.exe
2452	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 2572	2000	cmd.exe	29
PID 2000 wrote to memory of 2572	2000	cmd.exe	29
PID 2000 wrote to memory of 2572	2000	cmd.exe	29
PID 2572 wrote to memory of 2452	2572	rundll32.exe	30
PID 2572 wrote to memory of 2452	2572	rundll32.exe	30
PID 2572 wrote to memory of 2452	2572	rundll32.exe	30
PID 2572 wrote to memory of 2452	2572	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Nexus-MultiTool-main\Helper\Funcs\remove_doubles.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2000
- 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\remove_doubles.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2572
- - 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\remove_doubles.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2452

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
f24840dc8bf4e558a84e4f4eb2e0961c

SHA1
ebfea5e7a7a2368b33c12609d0b96855f9f1f1c7

SHA256
93e9df6b13cc3f7d3e535adad2d2b74dd65e36e724ec4ef886230f0e80a7865e

SHA512
fb355de6da88afb5c7ee60ac6d527708df3e234568475c2a2d978930fa805f8b8c8fd19542f6e17bde2156c83bb1d3bb483a6f069e283e4ea68ab0c8805b8010

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