Analysis

  • max time kernel
    165s
  • max time network
    182s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/12/2023, 02:45

General

  • Target

    9de886a7731171c2c19d3bbfb338a825.exe

  • Size

    67KB

  • MD5

    9de886a7731171c2c19d3bbfb338a825

  • SHA1

    0bf128eba4767328b78e764804e1c161a722aaee

  • SHA256

    ec8b0d660f214ab46007193942ebb9af1300a9fee3f9a6dc2eff8c54cc03a845

  • SHA512

    e2286d216b895df7b581e8682eb7c3efc60c680a45fa6383e76ff814a8385e57f87bd3377037cbd8c106d7a4a95f19fa63d8ad4417dbb3e659d5d7654ca43e81

  • SSDEEP

    768:LtOL9XwgC5Pbcc9pXfwxwkWoV0Rr9cxyW6MYBCpF2XMlZGBEELaF32vuDksHyeJ:aC5p7G0RGwWt6CpF2XGGmELM2vGpH9J

Malware Config

Signatures

  • Detect XtremeRAT payload 6 IoCs
  • XtremeRAT

    The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 8 IoCs

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

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9de886a7731171c2c19d3bbfb338a825.exe
    "C:\Users\Admin\AppData\Local\Temp\9de886a7731171c2c19d3bbfb338a825.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1428
    • C:\Users\Admin\AppData\Local\Temp\9de886a7731171c2c19d3bbfb338a825.exe
      C:\Users\Admin\AppData\Local\Temp\9de886a7731171c2c19d3bbfb338a825.exe
      2⤵
      • Modifies Installed Components in the registry
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:3300
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • Modifies Installed Components in the registry
        • Adds Run key to start application
        PID:3512
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • Suspicious use of SetWindowsHookEx
        PID:4476

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\SysWOW64\InstallDir\scvhos.exe

          Filesize

          67KB

          MD5

          9de886a7731171c2c19d3bbfb338a825

          SHA1

          0bf128eba4767328b78e764804e1c161a722aaee

          SHA256

          ec8b0d660f214ab46007193942ebb9af1300a9fee3f9a6dc2eff8c54cc03a845

          SHA512

          e2286d216b895df7b581e8682eb7c3efc60c680a45fa6383e76ff814a8385e57f87bd3377037cbd8c106d7a4a95f19fa63d8ad4417dbb3e659d5d7654ca43e81

        • memory/1428-0-0x0000000000400000-0x000000000040F000-memory.dmp

          Filesize

          60KB

        • memory/1428-2-0x0000000000400000-0x000000000040F000-memory.dmp

          Filesize

          60KB

        • memory/1428-6-0x0000000000400000-0x000000000040F000-memory.dmp

          Filesize

          60KB

        • memory/3300-4-0x0000000000C80000-0x0000000000C95000-memory.dmp

          Filesize

          84KB

        • memory/3300-7-0x0000000000C80000-0x0000000000C95000-memory.dmp

          Filesize

          84KB

        • memory/3300-8-0x0000000000C80000-0x0000000000C95000-memory.dmp

          Filesize

          84KB

        • memory/3300-9-0x0000000000C80000-0x0000000000C95000-memory.dmp

          Filesize

          84KB

        • memory/3300-18-0x0000000000C80000-0x0000000000C95000-memory.dmp

          Filesize

          84KB

        • memory/3512-15-0x0000000000C80000-0x0000000000C95000-memory.dmp

          Filesize

          84KB

        • memory/4476-16-0x0000000000C80000-0x0000000000C95000-memory.dmp

          Filesize

          84KB

        • memory/4476-20-0x0000000000C80000-0x0000000000C95000-memory.dmp

          Filesize

          84KB