General

  • Target
    4.rar
  • Size 9KB
  • Sample260731-sfbdmsam7z
  • SHA256 e78fa49194d66e957da2c3394fd9c3e5d085ea67a82edc43e0b025375260dcad
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 31.40.204.237:3322

Mutex
  • 4EtQMZksWikHjKQ0

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target
      Comprobante de pago.js
    • Size 786KB
    • SHA256 12e766c1eeb336981f717f79f7af9162fc0785c2d74b47fd94db41e231b8eb1d
    • 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.

    • Executes dropped EXE

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks