Analysis

  • max time kernel
    94s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-07-2024 13:00

General

  • Target

    39373b1a6871968ce8de2a028a2be4ba_JaffaCakes118.exe

  • Size

    62KB

  • MD5

    39373b1a6871968ce8de2a028a2be4ba

  • SHA1

    956753e4bce8f75ea12f7cd3d28f091d7c4ca825

  • SHA256

    eb44b6732a2dff615972c8f83263bdbbbfa663f7efac8f8e138c48f4515fdbbd

  • SHA512

    2cbd293ca38b75d22d0d0d5407a229412c6c3e76319d7b7dec16a0634347f975ff60074e4be119f06600cb7833abba21682139e341ea03526c8ac24e03c88ffe

  • SSDEEP

    768:iOEc3A8SHlD4Pt51um0u77ZufGyXieuZxgytGGYT8n2G2fiPMR+1S26hx:i3MSFD4DYm0GZW4/gbT8t2fsH1K

Malware Config

Extracted

Family

xtremerat

C2

capuig.myftp.biz

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\39373b1a6871968ce8de2a028a2be4ba_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\39373b1a6871968ce8de2a028a2be4ba_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4260
    • C:\Users\Admin\AppData\Local\Temp\39373b1a6871968ce8de2a028a2be4ba_JaffaCakes118.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3960
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:5076
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 5076 -s 484
            4⤵
            • Program crash
            PID:2424
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 5076 -s 480
            4⤵
            • Program crash
            PID:3096
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
          3⤵
            PID:1080
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5076 -ip 5076
        1⤵
          PID:624
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 5076 -ip 5076
          1⤵
            PID:1268

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3960-4-0x0000000010000000-0x000000001004A000-memory.dmp

            Filesize

            296KB

          • memory/3960-6-0x0000000010000000-0x000000001004A000-memory.dmp

            Filesize

            296KB

          • memory/3960-5-0x0000000010000000-0x000000001004A000-memory.dmp

            Filesize

            296KB

          • memory/3960-2-0x0000000010000000-0x000000001004A000-memory.dmp

            Filesize

            296KB

          • memory/3960-8-0x0000000010000000-0x000000001004A000-memory.dmp

            Filesize

            296KB

          • memory/5076-7-0x0000000010000000-0x000000001004A000-memory.dmp

            Filesize

            296KB

          • memory/5076-9-0x0000000010000000-0x000000001004A000-memory.dmp

            Filesize

            296KB