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Analysis

  • max time kernel
    150s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2023, 20:48

General

  • Target

    3b0450b1e3a5837d47187e40f2600ffa.dll

  • Size

    188KB

  • MD5

    3b0450b1e3a5837d47187e40f2600ffa

  • SHA1

    7b2e9842258eb2eb8f6ba0addf9e4cf2406a5516

  • SHA256

    16f4fa5968f86bbfdb94ba56fea46f8a0825750c16e024062515515e5f5c2109

  • SHA512

    0b0ab9751bd2dff29b379558c59a8ae8865389dc22fc717a5906ad5faa0e50667cb19cbbdfb9a0afecc46086bc3d05c77ed18fe34ba92b1182c9280b0d63a031

  • SSDEEP

    3072:+A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoMo:+zIqATVfQeV2FZalKq6jtGJWuTmd

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\3b0450b1e3a5837d47187e40f2600ffa.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1312
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b0450b1e3a5837d47187e40f2600ffa.dll,#1
      2⤵
        PID:2844
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2844 -s 692
          3⤵
          • Program crash
          PID:2472
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2844 -ip 2844
      1⤵
        PID:2564

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2844-0-0x0000000074D90000-0x0000000074DC0000-memory.dmp

        Filesize

        192KB

      • memory/2844-1-0x0000000001270000-0x0000000001276000-memory.dmp

        Filesize

        24KB