Analysis

  • max time kernel
    147s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-03-2024 14:43

General

  • Target

    b2630ccd0a3fcca0261f3a0f8deeb8af.dll

  • Size

    188KB

  • MD5

    b2630ccd0a3fcca0261f3a0f8deeb8af

  • SHA1

    65c4b9a81cf674ea2254174c53d981e52572b8b8

  • SHA256

    817977aebd4c7985224189808cc423e46e4f18b1640383af6f54818a9cce8729

  • SHA512

    92984e65e16a5e05b80ab8696d0b68db68fd4528a51fcb6fcb053063e2153b5d3e9e3ad84ff3944075110915094f835c4923b77c7be3d20238da54f497a2aa6f

  • SSDEEP

    3072:QA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoQo:QzIqATVfQeV2FZalKq6jtGJWuTmd

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\b2630ccd0a3fcca0261f3a0f8deeb8af.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:452
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2630ccd0a3fcca0261f3a0f8deeb8af.dll,#1
      2⤵
        PID:1644
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1644 -s 688
          3⤵
          • Program crash
          PID:4188
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1644 -ip 1644
      1⤵
        PID:2172

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1644-1-0x0000000075230000-0x0000000075260000-memory.dmp

        Filesize

        192KB

      • memory/1644-0-0x0000000000790000-0x0000000000796000-memory.dmp

        Filesize

        24KB