Analysis

  • max time kernel
    91s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/04/2024, 22:34

General

  • Target
    e3717940d2d4fa418843e9ab53bbb7a4_JaffaCakes118.exe
  • Size 97KB
  • Sample240406-2hdq8ada3t
  • SHA256 b745241d825fbf4a2f28e59431f18db627fd86b7d75016555bf6ce5142a89b24
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xtremerat

C2
  • xsstrema.no-ip.org

Signatures

  • Detect XtremeRAT payload 5 IoCs
  • XtremeRAT

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

  • UPX packed file 7 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e3717940d2d4fa418843e9ab53bbb7a4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e3717940d2d4fa418843e9ab53bbb7a4_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Users\Admin\AppData\Local\Temp\e3717940d2d4fa418843e9ab53bbb7a4_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\e3717940d2d4fa418843e9ab53bbb7a4_JaffaCakes118.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3148
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:3644
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3644 -s 484
            4⤵
            • Program crash
            PID:2092
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3644 -s 508
            4⤵
            • Program crash
            PID:2412
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
          3⤵
            PID:4408
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3644 -ip 3644
        1⤵
          PID:2704
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3644 -ip 3644
          1⤵
            PID:1908

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                memory/3148-2-0x0000000010000000-0x000000001004D000-memory.dmp

                memory/3148-4-0x0000000010000000-0x000000001004D000-memory.dmp

                memory/3148-5-0x0000000010000000-0x000000001004D000-memory.dmp

                memory/3148-6-0x0000000010000000-0x000000001004D000-memory.dmp

                memory/3148-8-0x0000000010000000-0x000000001004D000-memory.dmp

                memory/3644-7-0x0000000010000000-0x000000001004D000-memory.dmp

                memory/3644-9-0x0000000010000000-0x000000001004D000-memory.dmp