Analysis

  • max time kernel
    139s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-03-2024 08:34

General

  • Target

    db2cb05227fc6064c88ec9c26c12f8b2.dll

  • Size

    188KB

  • MD5

    db2cb05227fc6064c88ec9c26c12f8b2

  • SHA1

    d4baff18938478a381a9d4e94acc2c148eb6b393

  • SHA256

    b0a3a354f55cbd7ab19eaacc0a669d29de4c2335ea37042c6159a9f0b77da08f

  • SHA512

    62d29309681d840ad8e7b41c05563d9425a0144e2980c5d002730729e68e9d4d47ffb8404539d7261f69db8478c37757ca2782d4e4407db08aec93e9d9cf2119

  • SSDEEP

    3072:PA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAojo:PzIqATVfQeV2FZalKq6jtGJWuTmd

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\db2cb05227fc6064c88ec9c26c12f8b2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\db2cb05227fc6064c88ec9c26c12f8b2.dll,#1
      2⤵
        PID:4236
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4236 -s 688
          3⤵
          • Program crash
          PID:5108
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4236 -ip 4236
      1⤵
        PID:4248

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4236-0-0x00000000754C0000-0x00000000754F0000-memory.dmp

        Filesize

        192KB

      • memory/4236-1-0x0000000000810000-0x0000000000816000-memory.dmp

        Filesize

        24KB