Analysis

  • max time kernel
    20s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 18:46

Errors

Reason
Machine shutdown

General

  • Target

    Nova Perm premium.exe

  • Size

    35KB

  • MD5

    d46d842f4dca865e747d78fd160b4ab2

  • SHA1

    839aed104690bcb4b238dfb50709fe3e7e596df2

  • SHA256

    d188547999283b2c4fe26ece445804c6908bc2881cdb496e8b85f842cca5e404

  • SHA512

    a4bb1e549a67f704ea35e13372911b1a1d3d9c333972eadddd580e3f23fb911f15d0f5c1d0af58f19d330935140fb0e507a3a00f367c950ecfd6f8856f417a3c

  • SSDEEP

    384:GxrwquEB4WIwkdoVpoFiQ4+YLsRQkX966LZT7BnA7vHsJQcXT/G58pkFyHBLTIZZ:qfnEd9rVBPph7GVFy79e0OjhAyEo

Malware Config

Extracted

Family

xworm

Version

5.0

C2

kit-enrollment.gl.at.ply.gg:55332

Mutex

IoEuZ1j6rJu0qWPX

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    svhost.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Nova Perm premium.exe
    "C:\Users\Admin\AppData\Local\Temp\Nova Perm premium.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1800
    • C:\Windows\system32\shutdown.exe
      shutdown.exe /f /r /t 0
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2900
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0
    1⤵
      PID:2696
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x1
      1⤵
        PID:2568

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1800-0-0x000007FEF5873000-0x000007FEF5874000-memory.dmp

        Filesize

        4KB

      • memory/1800-1-0x0000000000AF0000-0x0000000000B00000-memory.dmp

        Filesize

        64KB

      • memory/1800-6-0x000007FEF5870000-0x000007FEF625C000-memory.dmp

        Filesize

        9.9MB

      • memory/1800-7-0x000007FEF5873000-0x000007FEF5874000-memory.dmp

        Filesize

        4KB

      • memory/1800-8-0x000007FEF5870000-0x000007FEF625C000-memory.dmp

        Filesize

        9.9MB

      • memory/1800-9-0x000007FEF5870000-0x000007FEF625C000-memory.dmp

        Filesize

        9.9MB

      • memory/2696-10-0x0000000002D90000-0x0000000002D91000-memory.dmp

        Filesize

        4KB