Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-07-2024 12:54

General

  • Target

    577947c7c1698cf08fa0f0cb3b39706f_JaffaCakes118.exe

  • Size

    243KB

  • MD5

    577947c7c1698cf08fa0f0cb3b39706f

  • SHA1

    d8ebe2261ee8d26561fa231bc7d2a8b5192e4b37

  • SHA256

    8b4128f54a7ad8b24fb2b2448152f3a12e1aff5a7deef43ea5ed4af586c9455f

  • SHA512

    cc107ae4ab16c420e06166021dcaf72dd10752b43c7b8797e30026ad95cdca8b26d80e6a8202de3701151be1681377ef686d70392b92b0ffc2ed1e1829c1a5d3

  • SSDEEP

    3072:XFd2Afoka0uMMGYmKlMCJ+UrxkCkK9a7+Z3wCYdj8vK1HDvhk1eSkDyfCnewUmGx:1jQwuYKs7M3jvEu1nkaCneT3NmEQO

Malware Config

Extracted

Family

xtremerat

C2

umtakcicek.dyndns.org

ࠁ谀umtakcicek.dyndns.org

Signatures

  • Detect XtremeRAT payload 9 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.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 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 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\577947c7c1698cf08fa0f0cb3b39706f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\577947c7c1698cf08fa0f0cb3b39706f_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1960
    • C:\Users\Admin\AppData\Local\Temp\577947c7c1698cf08fa0f0cb3b39706f_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\577947c7c1698cf08fa0f0cb3b39706f_JaffaCakes118.exe
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1348
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:4936
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 480
            4⤵
            • Program crash
            PID:2656
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 500
            4⤵
            • Program crash
            PID:1188
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4936 -ip 4936
      1⤵
        PID:1280
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4936 -ip 4936
        1⤵
          PID:1916

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1348-4-0x0000000010000000-0x000000001004A000-memory.dmp

          Filesize

          296KB

        • memory/1348-3-0x0000000010000000-0x000000001004A000-memory.dmp

          Filesize

          296KB

        • memory/1348-5-0x0000000010000000-0x000000001004A000-memory.dmp

          Filesize

          296KB

        • memory/1348-7-0x0000000010000000-0x000000001004A000-memory.dmp

          Filesize

          296KB

        • memory/1348-12-0x0000000010000000-0x000000001004A000-memory.dmp

          Filesize

          296KB

        • memory/1348-11-0x0000000010000000-0x000000001004A000-memory.dmp

          Filesize

          296KB

        • memory/1348-14-0x0000000010000000-0x000000001004A000-memory.dmp

          Filesize

          296KB

        • memory/1960-0-0x0000000000400000-0x0000000000508000-memory.dmp

          Filesize

          1.0MB

        • memory/1960-8-0x0000000000400000-0x0000000000508000-memory.dmp

          Filesize

          1.0MB

        • memory/4936-9-0x0000000010000000-0x000000001004A000-memory.dmp

          Filesize

          296KB

        • memory/4936-13-0x0000000010000000-0x000000001004A000-memory.dmp

          Filesize

          296KB