General

  • Target

    7e716d3e3294621ecbfca2fb2344659adab0186027eb9cf4511617db9bf8896d.vbs

  • Size

    681KB

  • Sample

    240924-bxsktasblq

  • MD5

    746d8713599ad10435ccced5549288b5

  • SHA1

    457928dea2de0daa5742f05d51ab8b18aefb893a

  • SHA256

    7e716d3e3294621ecbfca2fb2344659adab0186027eb9cf4511617db9bf8896d

  • SHA512

    dc1f3da919b6b8e9044f489ccb0fdf95f18ddd70cbf7dd12a4a01adac0876d5b2a2ddbbdafa6384ead6f769b9e71827bf9dc67fcd8fae146e28234b89fff42b4

  • SSDEEP

    1536:9SSSSSSSSSSSSSSSSSSSSSSSx22222222222222222222222222222222222222v:UChJDK

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

https://drive.google.com/uc?export=download&id=

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.desckvbrat.com.br
  • Port:
    21
  • Username:
    desckvbrat1
  • Password:
    developerpro21578Jp@@

Targets

    • Target

      7e716d3e3294621ecbfca2fb2344659adab0186027eb9cf4511617db9bf8896d.vbs

    • Size

      681KB

    • MD5

      746d8713599ad10435ccced5549288b5

    • SHA1

      457928dea2de0daa5742f05d51ab8b18aefb893a

    • SHA256

      7e716d3e3294621ecbfca2fb2344659adab0186027eb9cf4511617db9bf8896d

    • SHA512

      dc1f3da919b6b8e9044f489ccb0fdf95f18ddd70cbf7dd12a4a01adac0876d5b2a2ddbbdafa6384ead6f769b9e71827bf9dc67fcd8fae146e28234b89fff42b4

    • SSDEEP

      1536:9SSSSSSSSSSSSSSSSSSSSSSSx22222222222222222222222222222222222222v:UChJDK

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Checks computer location settings

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

    • Drops startup file

    • Adds Run key to start application

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks