Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/01/2024, 05:21

General

  • Target

    5a643e76ec5974cf4f0a3fabeb023529.dll

  • Size

    188KB

  • MD5

    5a643e76ec5974cf4f0a3fabeb023529

  • SHA1

    0e1c72b5d1117b460be5e67010c784b6db79471e

  • SHA256

    b1d9a5a8a40680b29314568f3737b00476324ff111b9a49d2a2f9da8799aa097

  • SHA512

    152fe3b4069e038ceadab2874803c41533a2f40062e2374512c07b68bf2c87400ec54fab2839f46acd8c837d19b18e3686b7772c5d7b9cfc32394adf02bc8386

  • SSDEEP

    3072:bA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo8o:bzIqATVfQeV2FZalKq6jtGJWuTmd

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\5a643e76ec5974cf4f0a3fabeb023529.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:912
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a643e76ec5974cf4f0a3fabeb023529.dll,#1
      2⤵
        PID:4168
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4168 -s 700
          3⤵
          • Program crash
          PID:4188
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4168 -ip 4168
      1⤵
        PID:1612

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/4168-0-0x0000000074DD0000-0x0000000074E00000-memory.dmp

              Filesize

              192KB

            • memory/4168-1-0x0000000000660000-0x0000000000666000-memory.dmp

              Filesize

              24KB