Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-04-2024 06:29

General

  • Target

    fc23683bdb6f581d90c3a92d2c0c7796_JaffaCakes118.dll

  • Size

    184KB

  • MD5

    fc23683bdb6f581d90c3a92d2c0c7796

  • SHA1

    68f46bf0d41c306da946c09720d377c53c7a31c0

  • SHA256

    5f353fe0acc2383f1978a3b8a6b77bff8ded2a0ef0a67b94469dd1c53fed1f8f

  • SHA512

    ffac755d21c9ec3517d5800269be0a03d07d53d2a8369d210e5154c196d24e45a71fd71b85f0d5c2b7556436e0555f271efce1749e6ffc9f99cad483834c9b49

  • SSDEEP

    3072:Bhd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33JvVQcY:B3fOeIv54W6SFKfc9me9v9/JvV

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

51.79.50.122:443

222.124.142.67:10443

138.201.222.158:4664

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\fc23683bdb6f581d90c3a92d2c0c7796_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4472
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc23683bdb6f581d90c3a92d2c0c7796_JaffaCakes118.dll,#1
      2⤵
        PID:1096
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 668
          3⤵
          • Program crash
          PID:2980
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1096 -ip 1096
      1⤵
        PID:4928

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1096-0-0x0000000074B60000-0x0000000074B90000-memory.dmp
        Filesize

        192KB

      • memory/1096-1-0x00000000009C0000-0x00000000009C6000-memory.dmp
        Filesize

        24KB