Analysis

  • max time kernel
    166s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-03-2024 16:46

General

  • Target

    dc1eb56e51414e509958dda6dfd1f0f5.dll

  • Size

    188KB

  • MD5

    dc1eb56e51414e509958dda6dfd1f0f5

  • SHA1

    741d1ff6fe5babb6b0b7fc408be6327d43abee23

  • SHA256

    281126712086225346c0867cf2587a785e3662254d109e844f723d0b30f0d80b

  • SHA512

    a0aed0df9d69e47f27e0e97e84e7dc6b0fd061bd11d7a1a6c190da3e409c8c5a9c0b5acc8f96ae3278e8d38a6abb268ce02267bacc18a5faa2a9dd50d3538d1e

  • SSDEEP

    3072:6A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoro:6zIqATVfQeV2FZalKq6jtGJWuTmd

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\dc1eb56e51414e509958dda6dfd1f0f5.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:916
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc1eb56e51414e509958dda6dfd1f0f5.dll,#1
      2⤵
        PID:2812
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 692
          3⤵
          • Program crash
          PID:2388
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2812 -ip 2812
      1⤵
        PID:4044

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2812-0-0x00000000750C0000-0x00000000750F0000-memory.dmp
        Filesize

        192KB

      • memory/2812-1-0x0000000000CD0000-0x0000000000CD6000-memory.dmp
        Filesize

        24KB