Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-01-2024 01:51

General

  • Target

    7120c1857bd7142b0a8f1c5b66a7a68e.dll

  • Size

    188KB

  • MD5

    7120c1857bd7142b0a8f1c5b66a7a68e

  • SHA1

    b5c6f60b3b898b9ab8524651bfda5fe1a1bd3bf4

  • SHA256

    6d1df3e8b50f7cdd746ee048cf2f8035c8b1a88ffc8713c2a41bfb34dd888e7f

  • SHA512

    a825c77ca2162991a04ed28b7a95f8a01211b5017a4987889d00b41238f723aa5d19d948290bce5bb1b4ca04eb4ff6385f59aed73a68e7a8c6883f13c3a285f8

  • SSDEEP

    3072:AA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoqo:AzIqATVfQeV2FZalKq6jtGJWuTmd

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Loader 1 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7120c1857bd7142b0a8f1c5b66a7a68e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7120c1857bd7142b0a8f1c5b66a7a68e.dll,#1
      2⤵
        PID:2700
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2700 -s 664
          3⤵
          • Program crash
          PID:980
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2700 -ip 2700
      1⤵
        PID:2036

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2700-0-0x0000000001210000-0x0000000001216000-memory.dmp

        Filesize

        24KB

      • memory/2700-1-0x00000000750D0000-0x0000000075100000-memory.dmp

        Filesize

        192KB

      • memory/2700-4-0x0000000001210000-0x0000000001216000-memory.dmp

        Filesize

        24KB