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Analysis

  • max time kernel
    133s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/12/2023, 18:23

General

  • Target

    005729068a6251e99ff458f05f286fed.dll

  • Size

    188KB

  • MD5

    005729068a6251e99ff458f05f286fed

  • SHA1

    cc01d61818e4311e5366453e876eebda2b03f8f0

  • SHA256

    65ccc1d823c02db4cd1e21d3e73e5d096a3ee17cdb22eba64ac0104f455d7cc7

  • SHA512

    25f2a51dc85890015cbbc61ae8d6f055c40c7630c64024bee05a69e769d5e7e1ce894bcd65cd862d224856a9230303b05d6e477910878f192c8ba5f1542b3dc8

  • SSDEEP

    3072:GA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo0o:GzIqATVfQeV2FZalKq6jtGJWuTmd

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\005729068a6251e99ff458f05f286fed.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\005729068a6251e99ff458f05f286fed.dll,#1
      2⤵
        PID:1400
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1400 -s 688
          3⤵
          • Program crash
          PID:4872
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1400 -ip 1400
      1⤵
        PID:1972

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1400-0-0x0000000000450000-0x0000000000456000-memory.dmp

        Filesize

        24KB

      • memory/1400-1-0x0000000075490000-0x00000000754C0000-memory.dmp

        Filesize

        192KB

      • memory/1400-5-0x0000000000450000-0x0000000000456000-memory.dmp

        Filesize

        24KB