Analysis

  • max time kernel
    93s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-06-2023 12:46

General

  • Target

    VYVNqLNFQDkkklgbtq.dll

  • Size

    512KB

  • MD5

    2244cac9d905d4fc819116ba4289da7c

  • SHA1

    e28f4b17fd82f9e0e0f92699820e43ff38630403

  • SHA256

    3739d6dfdd6a52951b2a44b2b1c5d0f9486c2df83b789d7e7ab76264d2d5dcde

  • SHA512

    e2cdac46b06a926fad78304fa6c43e940e649b257661eeaeaae53d25a7a5d8250e701a6a9e9cc0f609546da58fca5e81b81d9cb59fbe6690eded4a8f0bee95c4

  • SSDEEP

    12288:g2cK4kV9W/k7MNKABzMyLi8E6+DnOM2SwyuCn:fkMs9

Malware Config

Extracted

Family

dridex

Botnet

22203

C2

51.159.52.196:443

134.209.247.135:6602

194.233.68.48:5228

89.31.56.58:593

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\VYVNqLNFQDkkklgbtq.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2896
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\VYVNqLNFQDkkklgbtq.dll,#1
      2⤵
        PID:2776
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2776 -s 652
          3⤵
          • Program crash
          PID:2584
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 2776 -ip 2776
      1⤵
        PID:3184

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2776-133-0x0000000074EE0000-0x0000000074F61000-memory.dmp
        Filesize

        516KB

      • memory/2776-134-0x0000000000D40000-0x0000000000D46000-memory.dmp
        Filesize

        24KB