Analysis

  • max time kernel
    119s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-01-2025 22:39

General

  • Target

    cd8b14a5a8451fba73be2438dc83d6d724d971a34a906a4336b7d82ed4f59bbd.exe

  • Size

    21KB

  • MD5

    2f0612bd62dcb8275096e644c7501efe

  • SHA1

    6a484b8c4cea80443fe8e4855bd6bfc288b18dd8

  • SHA256

    cd8b14a5a8451fba73be2438dc83d6d724d971a34a906a4336b7d82ed4f59bbd

  • SHA512

    c8dda4fccce7a3bb02f3e21f9be5c9f08c49149dff9bd37432a6940f15c15e7c5f4e56312c41a8f1b5958921b9ec1a25b32b134fdfbd6c7295e45df57ea7de16

  • SSDEEP

    384:7IdmF+Ti213fEF9QZd/cBr5M/gOjkaS4s/1k5YiZNlH8pQ4djhty4OOpLRL:7IsF81fG9QveLOYTe5YiB8pQHCL

Malware Config

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.

  • 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
  • Drops file in System32 directory 3 IoCs
  • UPX packed file 4 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 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 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd8b14a5a8451fba73be2438dc83d6d724d971a34a906a4336b7d82ed4f59bbd.exe
    "C:\Users\Admin\AppData\Local\Temp\cd8b14a5a8451fba73be2438dc83d6d724d971a34a906a4336b7d82ed4f59bbd.exe"
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5012
    • C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      2⤵
        PID:1572
      • C:\Windows\SysWOW64\explorer.exe
        explorer.exe
        2⤵
          PID:3480
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:3132

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3132-7-0x0000000000C80000-0x0000000000C96000-memory.dmp

        Filesize

        88KB

      • memory/3132-10-0x0000000000C80000-0x0000000000C96000-memory.dmp

        Filesize

        88KB

      • memory/5012-0-0x0000000000C80000-0x0000000000C96000-memory.dmp

        Filesize

        88KB

      • memory/5012-8-0x0000000000C80000-0x0000000000C96000-memory.dmp

        Filesize

        88KB