Overview

overview

10

Static

static

1

S633545371.vbs

windows10-2004-x64

10

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General

  • Target
    0-1.eml
  • Size 289KB
  • Sample240604-kb39vsbc66
  • SHA256 4db1dc0345996c820b5c118a40b7b144e10ef5c923a65ac40c536a376c6ae22a
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

  • xworm

Version

  • 3.1

C2

  • june9402xw.duckdns.org:9402

Mutex

  • TAtfGa9f0WCjVzn6

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target
      S633545371.vbs
    • Size 200.0MB
    • SHA256 06a569eb0dfff6a7682f347562dc3eb11864f0e3ba63c5d5995a5c2cfe18a211
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    xwormexecutionpersistencerattrojan

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • 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.

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks