Analysis

  • max time kernel
    148s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2023 15:10

General

  • Target

    d3438a8bcc669555023c27a6eac21cfd.dll

  • Size

    184KB

  • MD5

    d3438a8bcc669555023c27a6eac21cfd

  • SHA1

    37c2a5bff1ee8cea4254ec6e764149982998b199

  • SHA256

    e75810da791d76320294dc8d9ccf9bcbde97c28f4d8145171bdfef651ddbf46a

  • SHA512

    84d792dd14a37c6a58aca322c3e5865c2d9a65913af72c6ac59b6db306baf414909a188b5302ceee66bdec7fa1661ed5847d918b50b7498ed317dbc28bbb2a86

  • SSDEEP

    3072:2gkQz1PuOprc+kq6VNOe3qbarVEpZlcbBacS9nOdg6dA4l:nPFkq6zOe5ilSanOtd

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\d3438a8bcc669555023c27a6eac21cfd.dll,#1
    1⤵
      PID:3188
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3188 -s 616
        2⤵
        • Program crash
        PID:4484
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d3438a8bcc669555023c27a6eac21cfd.dll,#1
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:4396
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 3188 -ip 3188
      1⤵
        PID:3704

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3188-1-0x00000000013C0000-0x00000000013C6000-memory.dmp

        Filesize

        24KB

      • memory/3188-0-0x0000000075000000-0x0000000075030000-memory.dmp

        Filesize

        192KB