Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-03-2024 21:04

General

  • Target

    d71c3cdcaafe62972a91556677d64477.dll

  • Size

    188KB

  • MD5

    d71c3cdcaafe62972a91556677d64477

  • SHA1

    b22ec2f1b7b3f57153bbb2a8d8469dbe9047c5ae

  • SHA256

    d48e853a71a6e32f563c9eb7d5411286a0fdfb8a8633373d3f127c2cb52a8b1d

  • SHA512

    532b7c7206df9d09bdee2faac0068f3626ecc34d197b6772f3befd6f1073a696d3734e79cb6d9c6e0d87bf2263912e81621c057ed5dc2b0e95f18ca7c9748fc4

  • SSDEEP

    3072:IA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoMo:IzIqATVfQeV2FZalKq6jtGJWuTmd

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\d71c3cdcaafe62972a91556677d64477.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4376
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d71c3cdcaafe62972a91556677d64477.dll,#1
      2⤵
        PID:3780
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 688
          3⤵
          • Program crash
          PID:4596
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3780 -ip 3780
      1⤵
        PID:4772

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3780-1-0x0000000000990000-0x0000000000996000-memory.dmp

        Filesize

        24KB

      • memory/3780-0-0x0000000074980000-0x00000000749B0000-memory.dmp

        Filesize

        192KB

      • memory/3780-2-0x0000000074980000-0x00000000749B0000-memory.dmp

        Filesize

        192KB