Analysis

  • max time kernel
    93s
  • max time network
    125s
  • 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 04:12

General

  • Target

    b04c2849b793fd93dfef1993de2e00cb.dll

  • Size

    188KB

  • MD5

    b04c2849b793fd93dfef1993de2e00cb

  • SHA1

    55ee55166b48f3f4cb82b27095d2a75c3bb240f4

  • SHA256

    784dc7b0396e746a21a9e2200df52f469eadb04063c758585af120faba21a590

  • SHA512

    d0f001f9b68a75b9b385463a3c6f6d7f743ef1db5ce2a487da947a585b25435dffd830d07a3c2f280f2f0ef99094b5a6394f182e21077e088e6b29a292a5a9f6

  • SSDEEP

    3072:tA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoXo:tzIqATVfQeV2FZalKq6jtGJWuTmd

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\b04c2849b793fd93dfef1993de2e00cb.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b04c2849b793fd93dfef1993de2e00cb.dll,#1
      2⤵
        PID:4216
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4216 -s 692
          3⤵
          • Program crash
          PID:4384
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4216 -ip 4216
      1⤵
        PID:4632

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4216-0-0x00000000756D0000-0x0000000075700000-memory.dmp

        Filesize

        192KB

      • memory/4216-1-0x0000000000F60000-0x0000000000F66000-memory.dmp

        Filesize

        24KB