5ba34a26fbe52308f211bd510e4879d8aef77b7c40978851e4b0a8f8a7d2ff88

Analysis

max time kernel
117s
max time network
120s
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/webhook_tool.py
Size

4KB
MD5

21b6d91f85774611f3aa3b19b51a9fd5
SHA1

c74c9e0ec294e778f727336bb87492c7db512eb8
SHA256

aac9163f1a9c6bc7c7079f06ca4fb703a07361fdc51b7f4d251e52ff965f2620
SHA512

286164f4181896b86021e86f43747f0fc1ee6675691b0b78b3710a5da557c7b5933b413ebd5ba639687cd564c9f2f4ce474a63148d4ee34c0e41e198224052ec
SSDEEP

96:JtTxvchTb/njTs5l1WX/kizNwMZUozw117lNX/3PVhp0LL+8:LxvqTbjg5jWP/zN9ZDzwz5NP3Pnp0LL3

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-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_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-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2548	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2548	AcroRd32.exe
2548	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1504 wrote to memory of 2564	1504	cmd.exe	29
PID 1504 wrote to memory of 2564	1504	cmd.exe	29
PID 1504 wrote to memory of 2564	1504	cmd.exe	29
PID 2564 wrote to memory of 2548	2564	rundll32.exe	30
PID 2564 wrote to memory of 2548	2564	rundll32.exe	30
PID 2564 wrote to memory of 2548	2564	rundll32.exe	30
PID 2564 wrote to memory of 2548	2564	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Nexus-MultiTool-main\Helper\Funcs\webhook_tool.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1504
- 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\webhook_tool.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2564
- - 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\webhook_tool.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2548

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
0e328d0de87f0dc1d5f61d7ca99f9658

SHA1
1eb16daae1e11812012176b34f979534d2613a6a

SHA256
c7e2737594f9a9532b6c3535eb689a2735e014fa5d43baa5574a74c882b8f2cb

SHA512
30283177c5f92bec53c1e739640775ff51ced294844b32b033bfcb54afa97609724d950b2781bd8f9427b6327521b13e558cef7ff1c46e6b18b86ed3f7769f8b

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