Analysis

  • max time kernel
    91s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-03-2024 01:09

General

  • Target

    aff178ec6f6a0acec1ffc0e90649e5eb.dll

  • Size

    188KB

  • MD5

    aff178ec6f6a0acec1ffc0e90649e5eb

  • SHA1

    e52ac2c12589f68e58419faa13e1c707ab7420b3

  • SHA256

    fbc91648d1624752f379cba89c1a99e7377391ef8e6e1eafa41d81f3aaa8bd9a

  • SHA512

    dff3798ae09d457891f3d14b9fb2f5fff5d0a9a1c5879b71fcf41e26355aa27d14a689a00e970466466a628a74eed2113fbba8d99c953cb4742658a8aa9b4bc4

  • SSDEEP

    3072:dA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoVo: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\aff178ec6f6a0acec1ffc0e90649e5eb.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2120
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\aff178ec6f6a0acec1ffc0e90649e5eb.dll,#1
      2⤵
        PID:4076
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 664
          3⤵
          • Program crash
          PID:804
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4076 -ip 4076
      1⤵
        PID:4284

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4076-0-0x00000000752A0000-0x00000000752D0000-memory.dmp

        Filesize

        192KB

      • memory/4076-1-0x0000000000960000-0x0000000000966000-memory.dmp

        Filesize

        24KB

      • memory/4076-2-0x00000000752A0000-0x00000000752D0000-memory.dmp

        Filesize

        192KB