Overview

overview

10

Static

static

1

UBKTlazrtb.js

windows10-2004-x64

10

UBKTlazrtb.js

windows11-ltsc_2024-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    123544db08ce05db5275c7efa6e3fe2d5cc9823dc2def7ddd0bb1a97e82a8b69
  • Size 99KB
  • Sample260811-ncybsadj5t
  • SHA256 123544db08ce05db5275c7efa6e3fe2d5cc9823dc2def7ddd0bb1a97e82a8b69
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
xwormdiscoveryexecutionpersistencerattrojan

Malware Config

Extracted

Family

  • xworm

Version

  • 5.0

C2

  • 31.56.209.60:443

Mutex

  • wA99TIr0InnzCaIH

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target
      UBKTlazrtb.js
    • Size 214KB
    • SHA256 1a9136d68060fed63853979b333bfa6ac4f5e36a2c93119d695e6b5615a43e87
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryexecutionxwormpersistencerattrojan

    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Checks computer location settings

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

    • Executes a VBScript file via the Windows Script Host.

      execution

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks