General

  • Target
    945ace0ea96bccc86668a5b7d7eef215dda61c3c9729810e21c851a874755c8b
  • Size 135KB
  • Sample260819-dclb4scq7s
  • SHA256 945ace0ea96bccc86668a5b7d7eef215dda61c3c9729810e21c851a874755c8b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 84.38.133.132:6000

Mutex
  • yQL3ekg0omcQLdKj

Attributes
  • Install_directory

    %AppData%

  • install_file

    XWormClient.exe

aes.plain

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.dklak.cam

  • Port

    21

  • Password

    F^eIYi{N}(u0=#Lw

Targets

    • Target
      Proforma. (1).js
    • Size 234KB
    • SHA256 c055d08caee62407abc90ec8fc41d4b59ecbf235f68acb34a25199c5cb622142
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Command and Scripting Interpreter: PowerShell

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

    • 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

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks