Analysis

  • max time kernel
    134s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250313-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/04/2025, 13:15

General

  • Target

    BootStrapper (1).exe

  • Size

    82KB

  • MD5

    0e053daa7f33031dee7bd642b9e53802

  • SHA1

    11ef2691bc84a1d85c773bc75075255236b53b9d

  • SHA256

    d60e0b54eaa7ee119c1303a61746b13e72dbb342feb113b2cfbec2853599fc80

  • SHA512

    693d729bf88dd6814ef4c27fa92bc685fc9ded8e3829d9a02581e075a370abdd83206f4f974773891d2253c1f9d31174176ecf1168527c23da88cf8c62794466

  • SSDEEP

    1536:H6Pys4EMbdO+PVqqtQ0f9dJYB1MbqCbb+tx6xvfZ8dOxaKmeD:HLJLbNqqL/61MbqQ+uvh+OxaKm4

Score
10/10

Malware Config

Extracted

Family

xworm

C2

147.185.221.26:16031

Attributes
  • Install_directory

    %AppData%

  • install_file

    Test.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BootStrapper (1).exe
    "C:\Users\Admin\AppData\Local\Temp\BootStrapper (1).exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2936
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:5272
    • C:\Users\Admin\AppData\Local\Temp\BootStrapper (1).exe
      "C:\Users\Admin\AppData\Local\Temp\BootStrapper (1).exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1988

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1988-4-0x00007FFEDBF53000-0x00007FFEDBF55000-memory.dmp

      Filesize

      8KB

    • memory/1988-5-0x00007FFEDBF50000-0x00007FFEDCA11000-memory.dmp

      Filesize

      10.8MB

    • memory/1988-6-0x00007FFEDBF50000-0x00007FFEDCA11000-memory.dmp

      Filesize

      10.8MB

    • memory/2936-0-0x00007FFEDE663000-0x00007FFEDE665000-memory.dmp

      Filesize

      8KB

    • memory/2936-1-0x0000000000F90000-0x0000000000FAA000-memory.dmp

      Filesize

      104KB

    • memory/2936-2-0x00007FFEDE660000-0x00007FFEDF121000-memory.dmp

      Filesize

      10.8MB

    • memory/2936-3-0x00007FFEDE660000-0x00007FFEDF121000-memory.dmp

      Filesize

      10.8MB