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Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/11/2024, 16:18

General

  • Target

    a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe

  • Size

    608KB

  • MD5

    a2ed1f80ee06b027fc944d6c2f6b163c

  • SHA1

    09e0348cf0db690ebb09afc0c34cf1c367cb3c84

  • SHA256

    8019903919c7330a0b4d30dc339280a58736cd748ad8a045213e6f905893a7d1

  • SHA512

    8be7ab788b4125b2139215f09be9239a4e410d8eea78917a7ac0907b1a90aa872627b88f8e2a0a6a6ed9291e3f9439064784baeb5e46b86308118a227201cdab

  • SSDEEP

    3072:zPSntbmP+T1st246/YXyKqNaKniNMPKF9dE9kprz4c03rg6qF+c7Et7fa3/1vff:zPSXc1X

Malware Config

Extracted

Family

xtremerat

C2

laptope.sytes.net

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.

  • Xtremerat family
  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1916
    • C:\Users\Admin\AppData\Local\Temp\a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe"
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5104
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2296
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2296 -s 480
          4⤵
          • Program crash
          PID:1912
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2296 -s 488
          4⤵
          • Program crash
          PID:3640
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2296 -ip 2296
    1⤵
      PID:924
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2296 -ip 2296
      1⤵
        PID:1576

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2296-6-0x0000000010000000-0x000000001004A000-memory.dmp

        Filesize

        296KB

      • memory/2296-11-0x0000000010000000-0x000000001004A000-memory.dmp

        Filesize

        296KB

      • memory/5104-3-0x0000000010000000-0x000000001004A000-memory.dmp

        Filesize

        296KB

      • memory/5104-2-0x0000000010000000-0x000000001004A000-memory.dmp

        Filesize

        296KB

      • memory/5104-4-0x0000000010000000-0x000000001004A000-memory.dmp

        Filesize

        296KB

      • memory/5104-5-0x0000000010000000-0x000000001004A000-memory.dmp

        Filesize

        296KB

      • memory/5104-8-0x0000000010000000-0x000000001004A000-memory.dmp

        Filesize

        296KB

      • memory/5104-9-0x0000000010000000-0x000000001004A000-memory.dmp

        Filesize

        296KB

      • memory/5104-12-0x0000000010000000-0x000000001004A000-memory.dmp

        Filesize

        296KB