Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-03-2024 18:56

General

  • Target

    d98fc00884b11f9553621eba3d9234e4.dll

  • Size

    188KB

  • MD5

    d98fc00884b11f9553621eba3d9234e4

  • SHA1

    02959ebdaa899ca55d7f77385334590d5c59e11c

  • SHA256

    39a2a6343162d19850e982098b11b2ae31a32285b8091169a011f8cb911c2852

  • SHA512

    e3149e49d71832b7cb4583cf7656ac9aa8bc7545b9064a1a5ee3874145b0cea101fe9a721bcb8cefda53b90c4dd857d5b51163431ff62efee48e04c376e7d1e4

  • SSDEEP

    3072:SA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoro:SzIqATVfQeV2FZalKq6jtGJWuTmd

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\d98fc00884b11f9553621eba3d9234e4.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4624
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d98fc00884b11f9553621eba3d9234e4.dll,#1
      2⤵
        PID:4692
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4692 -s 692
          3⤵
          • Program crash
          PID:4288
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4692 -ip 4692
      1⤵
        PID:2396

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4692-0-0x00000000758D0000-0x0000000075900000-memory.dmp
        Filesize

        192KB

      • memory/4692-2-0x00000000013B0000-0x00000000013B6000-memory.dmp
        Filesize

        24KB