Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-07-2024 23:09

General

  • Target

    5e11883c1bbb47e711521c950b714e3a_JaffaCakes118.exe

  • Size

    890KB

  • MD5

    5e11883c1bbb47e711521c950b714e3a

  • SHA1

    3fc84363bc927835e183c6dde8ac859953bf901c

  • SHA256

    a594c3e691b0e89f1236cefbe0fce9299fb30043e6610632aba7dbcedd59942f

  • SHA512

    0b296e857ba13d087c8c0645a6950f757218323808e4ea2d5c63db78a43383fe07b51af861cdac4d945cc9d873cf638a2173b4bdb82eaf4d304c9a983aeefa5a

  • SSDEEP

    24576:SeBhzkW3rYDLuYDZjWTtSczTwmH/TBC70:46rcLBVjWTtZvjbc

Malware Config

Extracted

Family

xtremerat

C2

r3oob.no-ip.info

Signatures

  • Detect XtremeRAT payload 8 IoCs
  • XtremeRAT

    The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e11883c1bbb47e711521c950b714e3a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5e11883c1bbb47e711521c950b714e3a_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3884
    • C:\Users\Admin\AppData\Local\Temp\5e11883c1bbb47e711521c950b714e3a_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\5e11883c1bbb47e711521c950b714e3a_JaffaCakes118.exe"
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Adds Run key to start application
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2968
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:3528
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 480
            4⤵
            • Program crash
            PID:2108
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 488
            4⤵
            • Program crash
            PID:3720
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3528 -ip 3528
      1⤵
        PID:1156
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3528 -ip 3528
        1⤵
          PID:3652

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2968-3-0x0000000010000000-0x0000000010047000-memory.dmp

          Filesize

          284KB

        • memory/2968-4-0x0000000010000000-0x0000000010047000-memory.dmp

          Filesize

          284KB

        • memory/2968-5-0x0000000010000000-0x0000000010047000-memory.dmp

          Filesize

          284KB

        • memory/2968-6-0x0000000010000000-0x0000000010047000-memory.dmp

          Filesize

          284KB

        • memory/2968-10-0x0000000010000000-0x0000000010047000-memory.dmp

          Filesize

          284KB

        • memory/2968-14-0x0000000010000000-0x0000000010047000-memory.dmp

          Filesize

          284KB

        • memory/3528-7-0x0000000010000000-0x0000000010047000-memory.dmp

          Filesize

          284KB

        • memory/3528-13-0x0000000010000000-0x0000000010047000-memory.dmp

          Filesize

          284KB

        • memory/3884-0-0x0000000000400000-0x0000000000568000-memory.dmp

          Filesize

          1.4MB

        • memory/3884-12-0x0000000000400000-0x0000000000568000-memory.dmp

          Filesize

          1.4MB