Analysis

  • max time kernel
    144s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/01/2024, 18:58

General

  • Target

    4ef41c8a6ad1793dd6c12785f8d00c49.dll

  • Size

    188KB

  • MD5

    4ef41c8a6ad1793dd6c12785f8d00c49

  • SHA1

    b11246afc9853657028260993960e591c3e78e72

  • SHA256

    fd203d1a3be0e29d9963c856912d38ed4ab11bee899ca9748229079546df278c

  • SHA512

    12687b5e539b117d14ca217d335458a666fa015382ac3de46ec665c3c710da5c7755e546105202332e2a7a656117f769864ed95f8c6b81025ad9f9ebf31868ce

  • SSDEEP

    3072:FA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAovo:FzIqATVfQeV2FZalKq6jtGJWuTmd

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 2 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\4ef41c8a6ad1793dd6c12785f8d00c49.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5060
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ef41c8a6ad1793dd6c12785f8d00c49.dll,#1
      2⤵
        PID:1568
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 688
          3⤵
          • Program crash
          PID:900
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1568 -ip 1568
      1⤵
        PID:1776

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1568-0-0x0000000000ED0000-0x0000000000ED6000-memory.dmp

        Filesize

        24KB

      • memory/1568-1-0x00000000749A0000-0x00000000749D0000-memory.dmp

        Filesize

        192KB

      • memory/1568-3-0x00000000749A0000-0x00000000749D0000-memory.dmp

        Filesize

        192KB

      • memory/1568-4-0x0000000000ED0000-0x0000000000ED6000-memory.dmp

        Filesize

        24KB