Analysis

  • max time kernel
    147s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-04-2024 07:24

General

  • Target

    3bca1dcaef4430272b9029c9a4bc8be0d45ecff66e8de8679ed30d8afab00f6f.dll

  • Size

    956KB

  • MD5

    b28a478eb5b99efcdc7caf428bffb89a

  • SHA1

    d394c7b8fe15753bfbff79fb4f648f6f8bae70f9

  • SHA256

    3bca1dcaef4430272b9029c9a4bc8be0d45ecff66e8de8679ed30d8afab00f6f

  • SHA512

    decb2581f64949bfaaaf0368917f0705d7a4b7392ec272eda025cf06a4384ec4cdd5202081c2e085f00645029dd96bfef262e8628bed1861185adf6281c1cc88

  • SSDEEP

    24576:rs6ZRS5J3ifJvlxfcdaeti7w+0bf0XznPMvPD:Yni8dK9CEMXD

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bca1dcaef4430272b9029c9a4bc8be0d45ecff66e8de8679ed30d8afab00f6f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1868
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bca1dcaef4430272b9029c9a4bc8be0d45ecff66e8de8679ed30d8afab00f6f.dll,#1
      2⤵
      • Blocklisted process makes network request
      PID:1276

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1276-0-0x0000000010000000-0x00000000100F9000-memory.dmp

    Filesize

    996KB

  • memory/1276-1-0x00000000025B0000-0x0000000002625000-memory.dmp

    Filesize

    468KB

  • memory/1276-2-0x0000000002630000-0x00000000026A3000-memory.dmp

    Filesize

    460KB

  • memory/1276-5-0x0000000010000000-0x00000000100F9000-memory.dmp

    Filesize

    996KB