Analysis

  • max time kernel
    127s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-03-2024 11:08

General

  • Target

    d5f566eedfd1b3a5e28dacdee6a2a224.dll

  • Size

    188KB

  • MD5

    d5f566eedfd1b3a5e28dacdee6a2a224

  • SHA1

    0a90c98fccbe53dc265445abc712fc6866d55cc9

  • SHA256

    1a0bec8430772210277cbea8214dee4c847a2ce16c59697e3af501686223261f

  • SHA512

    fbf30e250a46c1e7187285b9061176c6494418b9ab5e7701cce75fe4185e73ddce7b3278c28aaf1e5f0cf8ccb68d1b98aba47a70e47a13cb3d5f059baeaf50fd

  • SSDEEP

    3072:dA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo4o:dzIqATVfQeV2FZalKq6jtGJWuTmd

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\d5f566eedfd1b3a5e28dacdee6a2a224.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2784
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d5f566eedfd1b3a5e28dacdee6a2a224.dll,#1
      2⤵
        PID:3000
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3000 -s 692
          3⤵
          • Program crash
          PID:1368
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3000 -ip 3000
      1⤵
        PID:1800

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3000-0-0x0000000075140000-0x0000000075170000-memory.dmp

        Filesize

        192KB

      • memory/3000-1-0x0000000002510000-0x0000000002516000-memory.dmp

        Filesize

        24KB