Overview

overview

10

Static

static

1

0.js

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    0.js
  • Size 398KB
  • Sample250618-q91vaaek21
  • SHA256 df6eac509b37b2dfe3ced246b01167bf4c9d82a3ba0d20b3f3da90072dbd0d99
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xwormdiscoveryexecutionpersistencerattrojan

Malware Config

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    https://cdn.tagbox.io/assets/6850bda459dffb0011a76b02/a3edcbb7-06ae-4329-bf33-096c01a0636d---wp4096799-lost-in-space-wallpapers.jpg
  • exe.dropper

    https://cdn.tagbox.io/assets/6850bda459dffb0011a76b02/a3edcbb7-06ae-4329-bf33-096c01a0636d---wp4096799-lost-in-space-wallpapers.jpg

Extracted

Family

  • xworm

Version

  • 5.0

C2

  • 191.96.79.137:7000

Mutex

  • F8XtaUfidb0ijW14

Attributes
  • Install_directory

    %Temp%

  • install_file

    win32.exe

aes.plain

Targets

    • Target
      0.js
    • Size 398KB
    • SHA256 df6eac509b37b2dfe3ced246b01167bf4c9d82a3ba0d20b3f3da90072dbd0d99
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    xwormdiscoveryexecutionpersistencerattrojan

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Xworm family

      xworm

    • Blocklisted process makes network request

    • 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.

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks