Analysis

  • max time kernel
    140s
  • max time network
    144s
  • 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 17:38

General

  • Target

    d9681e61c1d32adba752a654a5585831.dll

  • Size

    188KB

  • MD5

    d9681e61c1d32adba752a654a5585831

  • SHA1

    86f49e97fa9aab459e126d9bf70b1456932a3dae

  • SHA256

    0e635490d9ce847d1926079bb73008d8f5b46a319a9b4f4b92a5ae49f96ae237

  • SHA512

    ae71812dfcf2b3100729e6a5df8b4c1368aea1b6cc0a7194c5d3b2c39d75d4f770b8aac5de89c2cc61fde5d368c3a4c2e970874833303c726625f6122f50ee70

  • SSDEEP

    3072:nA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoQo:nzIqATVfQeV2FZalKq6jtGJWuTmd

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\d9681e61c1d32adba752a654a5585831.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1900
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d9681e61c1d32adba752a654a5585831.dll,#1
      2⤵
        PID:2828
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2828 -s 664
          3⤵
          • Program crash
          PID:2676
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2828 -ip 2828
      1⤵
        PID:3704

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2828-0-0x0000000075530000-0x0000000075560000-memory.dmp

        Filesize

        192KB

      • memory/2828-1-0x0000000000760000-0x0000000000766000-memory.dmp

        Filesize

        24KB

      • memory/2828-2-0x0000000075530000-0x0000000075560000-memory.dmp

        Filesize

        192KB