Analysis

  • max time kernel
    142s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-12-2023 21:07

General

  • Target

    040a06db74ed9b8f5f4c3422dc6f872e.dll

  • Size

    188KB

  • MD5

    040a06db74ed9b8f5f4c3422dc6f872e

  • SHA1

    723b13aec560eda26ab43ab4865ad2463e998912

  • SHA256

    1b3bc985fb0dd5389495b583475d4fe4dcfd1a225ece8ebad042aa58de15966d

  • SHA512

    bc7267f1e4b8a9c65b91d007ccaaebc1354469335db54df97a33feab2a9a7b0ddccbd0b7bfd5198b9a39acc1edfa026c5bd42dc6c5131a4e505f7a765cd353a2

  • SSDEEP

    3072:dA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoao: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 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\040a06db74ed9b8f5f4c3422dc6f872e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4896
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\040a06db74ed9b8f5f4c3422dc6f872e.dll,#1
      2⤵
        PID:3580
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3580 -s 688
          3⤵
          • Program crash
          PID:4804
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3580 -ip 3580
      1⤵
        PID:4508

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3580-0-0x0000000075100000-0x0000000075130000-memory.dmp

        Filesize

        192KB

      • memory/3580-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

        Filesize

        24KB

      • memory/3580-2-0x0000000075100000-0x0000000075130000-memory.dmp

        Filesize

        192KB