General

  • Target
    d5e81ce2c3e3557512654369d3e3f88ed52814b604265df0168834cb2b82251d.bin
  • Size 817KB
  • Sample260810-r7dgmsbm9w
  • SHA256 d5e81ce2c3e3557512654369d3e3f88ed52814b604265df0168834cb2b82251d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      d5e81ce2c3e3557512654369d3e3f88ed52814b604265df0168834cb2b82251d.bin
    • Size 817KB
    • SHA256 d5e81ce2c3e3557512654369d3e3f88ed52814b604265df0168834cb2b82251d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Detects SiriusRAT

    • Family: SiriusRAT

      SiriusRAT is a Windows RAT written in C++ with HVNC, offline keylogging, and remote desktop capabilities.

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Checks computer location settings

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

    • 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

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • SmartAssembly .NET packer

      Detects SmartAssembly .NET packer.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks