General

  • Target
    OVERDUE PAYMENT.js
  • Size 1.2MB
  • Sample260821-kjs4vsbk3t
  • SHA256 7fd0a79d6396aafc3855da89d19cf38c924a8816db6ba7c45d0f54f453bc1b9b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    http://193.104.58.65/rumpyu18.png

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 194.116.236.49:2222

Mutex
  • L9J7bax6V38Cuxgd

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target
      OVERDUE PAYMENT.js
    • Size 1.2MB
    • SHA256 7fd0a79d6396aafc3855da89d19cf38c924a8816db6ba7c45d0f54f453bc1b9b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks