Analysis

  • max time kernel
    150s
  • max time network
    147s
  • 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 13:42

General

  • Target

    5c2ea8e05e35b9017b7875fff439d038_JaffaCakes118.exe

  • Size

    575KB

  • MD5

    5c2ea8e05e35b9017b7875fff439d038

  • SHA1

    5561cabea7c88e802ee1d670105ac99160143e96

  • SHA256

    d3daa693ce522363d33f84a5c731b5feba4e1002ed97aebae63d4fea99ae4141

  • SHA512

    d0ffaf22980871a01f80d333dc50b5bd354730febdd199de1f7341c6b1043d59e4f63bdcd63e15da7f812060bcb2a0b165829095e5f1bab0a89e778c9d483916

  • SSDEEP

    12288:VnGYSHKndNmi+LIAS/kmqogbfW1pf5PxZZWm6HyR5MCgK:ttdNL+LIAOkbhurUNSR5MCv

Malware Config

Extracted

Family

xtremerat

C2

seko1230.dyndns.org

Signatures

  • Detect XtremeRAT payload 3 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.

  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • UPX packed file 9 IoCs

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

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Checks processor information in registry 2 TTPs 7 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c2ea8e05e35b9017b7875fff439d038_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5c2ea8e05e35b9017b7875fff439d038_JaffaCakes118.exe"
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Checks BIOS information in registry
    • Adds Run key to start application
    • Drops file in Windows directory
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3356
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
        PID:2516
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2516 -s 480
          3⤵
          • Program crash
          PID:4532
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2516 -s 500
          3⤵
          • Program crash
          PID:1776
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2516 -ip 2516
      1⤵
        PID:3932
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2516 -ip 2516
        1⤵
          PID:4384

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2516-17-0x0000000010000000-0x00000000100DB000-memory.dmp

          Filesize

          876KB

        • memory/2516-25-0x0000000076980000-0x0000000076A70000-memory.dmp

          Filesize

          960KB

        • memory/2516-24-0x0000000010000000-0x00000000100DB000-memory.dmp

          Filesize

          876KB

        • memory/3356-19-0x0000000076980000-0x0000000076A70000-memory.dmp

          Filesize

          960KB

        • memory/3356-6-0x00000000024F0000-0x0000000002528000-memory.dmp

          Filesize

          224KB

        • memory/3356-2-0x0000000000740000-0x0000000000751000-memory.dmp

          Filesize

          68KB

        • memory/3356-20-0x0000000076980000-0x0000000076A70000-memory.dmp

          Filesize

          960KB

        • memory/3356-8-0x000000007699F000-0x00000000769A0000-memory.dmp

          Filesize

          4KB

        • memory/3356-7-0x00000000024F0000-0x0000000002528000-memory.dmp

          Filesize

          224KB

        • memory/3356-9-0x0000000076980000-0x0000000076A70000-memory.dmp

          Filesize

          960KB

        • memory/3356-12-0x0000000076980000-0x0000000076A70000-memory.dmp

          Filesize

          960KB

        • memory/3356-15-0x0000000076980000-0x0000000076A70000-memory.dmp

          Filesize

          960KB

        • memory/3356-14-0x0000000076980000-0x0000000076A70000-memory.dmp

          Filesize

          960KB

        • memory/3356-16-0x0000000076980000-0x0000000076A70000-memory.dmp

          Filesize

          960KB

        • memory/3356-13-0x0000000076980000-0x0000000076A70000-memory.dmp

          Filesize

          960KB

        • memory/3356-11-0x0000000076980000-0x0000000076A70000-memory.dmp

          Filesize

          960KB

        • memory/3356-10-0x0000000076980000-0x0000000076A70000-memory.dmp

          Filesize

          960KB

        • memory/3356-18-0x0000000076980000-0x0000000076A70000-memory.dmp

          Filesize

          960KB

        • memory/3356-0-0x0000000010000000-0x00000000100DB000-memory.dmp

          Filesize

          876KB

        • memory/3356-5-0x0000000000740000-0x0000000000751000-memory.dmp

          Filesize

          68KB

        • memory/3356-23-0x0000000076980000-0x0000000076A70000-memory.dmp

          Filesize

          960KB

        • memory/3356-1-0x0000000000740000-0x0000000000751000-memory.dmp

          Filesize

          68KB

        • memory/3356-4-0x0000000000740000-0x0000000000751000-memory.dmp

          Filesize

          68KB

        • memory/3356-3-0x0000000000740000-0x0000000000751000-memory.dmp

          Filesize

          68KB

        • memory/3356-26-0x0000000076980000-0x0000000076A70000-memory.dmp

          Filesize

          960KB

        • memory/3356-27-0x0000000010000000-0x00000000100DB000-memory.dmp

          Filesize

          876KB

        • memory/3356-28-0x0000000000740000-0x0000000000751000-memory.dmp

          Filesize

          68KB

        • memory/3356-29-0x00000000024F0000-0x0000000002528000-memory.dmp

          Filesize

          224KB

        • memory/3356-30-0x0000000076980000-0x0000000076A70000-memory.dmp

          Filesize

          960KB

        • memory/3356-36-0x0000000076980000-0x0000000076A70000-memory.dmp

          Filesize

          960KB

        • memory/3356-35-0x0000000076980000-0x0000000076A70000-memory.dmp

          Filesize

          960KB

        • memory/3356-34-0x0000000076980000-0x0000000076A70000-memory.dmp

          Filesize

          960KB

        • memory/3356-33-0x0000000076980000-0x0000000076A70000-memory.dmp

          Filesize

          960KB

        • memory/3356-32-0x0000000076980000-0x0000000076A70000-memory.dmp

          Filesize

          960KB

        • memory/3356-31-0x0000000076980000-0x0000000076A70000-memory.dmp

          Filesize

          960KB

        • memory/3356-37-0x0000000076980000-0x0000000076A70000-memory.dmp

          Filesize

          960KB

        • memory/3356-38-0x0000000076980000-0x0000000076A70000-memory.dmp

          Filesize

          960KB

        • memory/3356-39-0x0000000076980000-0x0000000076A70000-memory.dmp

          Filesize

          960KB

        • memory/3356-40-0x0000000076980000-0x0000000076A70000-memory.dmp

          Filesize

          960KB