Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2024 04:42

General

  • Target

    cb1909decae91221030eea3453d66a50_JaffaCakes118.exe

  • Size

    42KB

  • MD5

    cb1909decae91221030eea3453d66a50

  • SHA1

    99d7133dfe299994ac9d1a718706b63228d00afc

  • SHA256

    7985cd8bd011ec614e1c8830557a6787b17bde184eafc0153f99b9836c6cd079

  • SHA512

    ec28ccafae4b0aec51d2a0ef93f75242f355adf321ebe5710738fc5a01765cbcaa473ecca72f0b9cb7ab67b1fc747956d3011551e7f50102683f8f0663a4468b

  • SSDEEP

    768:kyiUOm7d6CfXlNlhExmJDolbsFHY4hZR7B3BKhTssd:cnm7EgOmJD1dhzKhTssd

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.

  • Xtremerat family
  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 9 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cb1909decae91221030eea3453d66a50_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cb1909decae91221030eea3453d66a50_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2668
    • C:\Users\Admin\AppData\Local\Temp\cb1909decae91221030eea3453d66a50_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\cb1909decae91221030eea3453d66a50_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:2760
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:2684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\InstallDir\Server.exe

    Filesize

    42KB

    MD5

    cb1909decae91221030eea3453d66a50

    SHA1

    99d7133dfe299994ac9d1a718706b63228d00afc

    SHA256

    7985cd8bd011ec614e1c8830557a6787b17bde184eafc0153f99b9836c6cd079

    SHA512

    ec28ccafae4b0aec51d2a0ef93f75242f355adf321ebe5710738fc5a01765cbcaa473ecca72f0b9cb7ab67b1fc747956d3011551e7f50102683f8f0663a4468b

  • memory/2684-19-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2760-3-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2760-4-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2760-10-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2760-11-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2760-9-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2760-7-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2760-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2760-2-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2760-16-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2760-18-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB