Analysis

  • max time kernel
    112s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-04-2024 18:10

General

  • Target

    f87f4fdefab5ae7d4c852b2e4c125b5a_JaffaCakes118.dll

  • Size

    570KB

  • MD5

    f87f4fdefab5ae7d4c852b2e4c125b5a

  • SHA1

    4c38b775024c4b7f20a082a6ade3c583f046285f

  • SHA256

    49284eb85d58dbe31d8da683a85a0a09eae81d438f2ec23524ef775018e31aa3

  • SHA512

    5f0d6439607666a493c40cc00536808c5d726b25b72b9272771438d3d94b4ab41a9b4a96e45a37d55788eec8c17ebb63caa35075422bdfe1d8a3697fea0785ec

  • SSDEEP

    12288:TQJkUW20CjBwC0PSDdSLxQgOUtdByJxcU5InnykeyCgw:kJnf0CiC0Cd+6vwQL

Score
10/10

Malware Config

Extracted

Family

matanbuchus

C2

http://45.93.201.209/update/31359/8108.svg

http://45.93.201.209/update/85943897/xpth8.xml

Signatures

  • Matanbuchus

    A loader sold as MaaS first seen in February 2021.

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f87f4fdefab5ae7d4c852b2e4c125b5a_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3248
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\f87f4fdefab5ae7d4c852b2e4c125b5a_JaffaCakes118.dll
      2⤵
        PID:208
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 1104
          3⤵
          • Program crash
          PID:2624
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 208 -ip 208
      1⤵
        PID:5108

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/208-0-0x0000000010000000-0x00000000100DA000-memory.dmp

        Filesize

        872KB

      • memory/208-1-0x00000000015F0000-0x00000000015F1000-memory.dmp

        Filesize

        4KB

      • memory/208-2-0x0000000010000000-0x00000000100DA000-memory.dmp

        Filesize

        872KB

      • memory/208-3-0x0000000010000000-0x00000000100DA000-memory.dmp

        Filesize

        872KB

      • memory/208-4-0x00000000015F0000-0x00000000015F1000-memory.dmp

        Filesize

        4KB

      • memory/208-12-0x0000000010000000-0x00000000100DA000-memory.dmp

        Filesize

        872KB

      • memory/208-15-0x0000000010000000-0x00000000100DA000-memory.dmp

        Filesize

        872KB