Analysis

  • max time kernel
    149s
  • max time network
    94s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    27/04/2026, 04:28

General

  • Target
    3816c38f5cbe0ee0f02d5db2438700f4f876afbfd57703d8a38ad86ff8d1ec0c.dll
  • Size 50KB
  • Sample260427-e3pb5aew4n
  • SHA256 3816c38f5cbe0ee0f02d5db2438700f4f876afbfd57703d8a38ad86ff8d1ec0c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • cobaltstrike

C2
  • http://185.242.233.142:443/jquery-3.3.2.slim.min.js

Attributes
  • user_agent

    Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Referer: http://code.jquery.com/ User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Safari/537.36 Edg/139.0.0.0

Signatures

  • Family: Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • Badlisted process makes network request 1 IoCs

    Network request originating from process or tool commonly abused by malware.

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3816c38f5cbe0ee0f02d5db2438700f4f876afbfd57703d8a38ad86ff8d1ec0c.dll,#1
    1⤵
    • Badlisted process makes network request
    PID:4924

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4924-0-0x00000243038A0000-0x00000243038A1000-memory.dmp

        memory/4924-2-0x0000024306B90000-0x0000024306B9C000-memory.dmp

        memory/4924-1-0x00000000664C0000-0x00000000664D4000-memory.dmp