Analysis

  • max time kernel
    93s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-04-2024 22:27

General

  • Target

    f6b55bc684fd195fe3c6b76459a97f66_JaffaCakes118.dll

  • Size

    184KB

  • MD5

    f6b55bc684fd195fe3c6b76459a97f66

  • SHA1

    83f0ef0ba1fdc40e97fff28d422c1b9a346fa2c8

  • SHA256

    e4895df2f668d1909d7140afc7b059850bb2f795d8d2091f3a16bb8e6a405fb1

  • SHA512

    86e740a1fdb86829a016af254d727ddc5ef282a2689e71c338ecba404e664de34a05be7b2e76255213b6dc3c14982c3c51125baa3e73ddcccd803326a939a66b

  • SSDEEP

    3072:khd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33JnVQcY:k3fOeIv54W6SFKfc9me9v9/JnV

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\f6b55bc684fd195fe3c6b76459a97f66_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2888
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f6b55bc684fd195fe3c6b76459a97f66_JaffaCakes118.dll,#1
      2⤵
        PID:2988
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2988 -s 668
          3⤵
          • Program crash
          PID:2892
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2988 -ip 2988
      1⤵
        PID:1228

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2988-0-0x0000000075840000-0x0000000075870000-memory.dmp
        Filesize

        192KB

      • memory/2988-1-0x0000000001090000-0x0000000001096000-memory.dmp
        Filesize

        24KB