Analysis

  • max time kernel
    148s
  • max time network
    149s
  • 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 04:03

General

  • Target

    f4fe2037be0e819548242e7a5b1f8b7e_JaffaCakes118.dll

  • Size

    184KB

  • MD5

    f4fe2037be0e819548242e7a5b1f8b7e

  • SHA1

    3fa09aeb1f1c23aebbba95fa4e5b0cb8d96c229c

  • SHA256

    1e3e45823d089dd881671f2b0a7e2033ebf84d8c14d3124a465300907bdd5c64

  • SHA512

    5c0a492d0893d79347e2c3962d4a66dbf21398e789ae14b771e939cb1d79db59fa47d87506401cf56400050bf7a9abffbc142dbd919dd1d3c0868388e758ee30

  • SSDEEP

    3072:mhd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33JYVQcY:m3fOeIv54W6SFKfc9me9v9/JYV

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\f4fe2037be0e819548242e7a5b1f8b7e_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4520
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4fe2037be0e819548242e7a5b1f8b7e_JaffaCakes118.dll,#1
      2⤵
        PID:1640
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1640 -s 672
          3⤵
          • Program crash
          PID:452
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1640 -ip 1640
      1⤵
        PID:2948

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1640-0-0x00000000757F0000-0x0000000075820000-memory.dmp
        Filesize

        192KB

      • memory/1640-1-0x0000000000E90000-0x0000000000E96000-memory.dmp
        Filesize

        24KB