Analysis

  • max time kernel
    146s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    11-07-2024 20:18

General

  • Target

    3a932f8a8f43b84143dc0ac039c82839_JaffaCakes118.exe

  • Size

    40KB

  • MD5

    3a932f8a8f43b84143dc0ac039c82839

  • SHA1

    92da96271d3433c87584b90fc54b079254d236b5

  • SHA256

    e83243f92f5509a1fa420a9162928afa77440f57d2886390866efce01b42cf81

  • SHA512

    87ca1b4d50e6c37a49759be063b3fbcd7b75643623d39da2e4faee935dae2e127a7c2cbe0a62d82ba3b6775ea527543406a7525a2c8c091bfc768b94e412095a

  • SSDEEP

    768:sE9hghdN12Ozhiow2Gkm6+c3/pBzNBwIldizoxJ:su+zMOlw2GkmS3/BldOoxJ

Malware Config

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.

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 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 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3a932f8a8f43b84143dc0ac039c82839_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3a932f8a8f43b84143dc0ac039c82839_JaffaCakes118.exe"
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2416
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Adds Run key to start application
      PID:2544
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:1904

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\InstallDir\Server.exe

    Filesize

    40KB

    MD5

    3a932f8a8f43b84143dc0ac039c82839

    SHA1

    92da96271d3433c87584b90fc54b079254d236b5

    SHA256

    e83243f92f5509a1fa420a9162928afa77440f57d2886390866efce01b42cf81

    SHA512

    87ca1b4d50e6c37a49759be063b3fbcd7b75643623d39da2e4faee935dae2e127a7c2cbe0a62d82ba3b6775ea527543406a7525a2c8c091bfc768b94e412095a

  • memory/1904-11-0x0000000000C80000-0x0000000000C92000-memory.dmp

    Filesize

    72KB

  • memory/1904-14-0x0000000000C80000-0x0000000000C92000-memory.dmp

    Filesize

    72KB

  • memory/2416-12-0x0000000000C80000-0x0000000000C92000-memory.dmp

    Filesize

    72KB

  • memory/2544-5-0x0000000000C80000-0x0000000000C92000-memory.dmp

    Filesize

    72KB

  • memory/2544-7-0x0000000000C80000-0x0000000000C92000-memory.dmp

    Filesize

    72KB