General

  • Target
    INV 83467_12899.JS.js
  • Size 3.2MB
  • Sample260812-j76jesscmb
  • SHA256 170a3b6c18e1e7974f7030929ceec8a2aab1e509fc80e0fad75f48b3ef868baf
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • agenttesla

Credentials

Targets

    • Target
      INV 83467_12899.JS.js
    • Size 3.2MB
    • SHA256 170a3b6c18e1e7974f7030929ceec8a2aab1e509fc80e0fad75f48b3ef868baf
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects DonutLoader

    • Family: AgentTesla

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

    • Family: DonutLoader

      DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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

MITRE ATT&CK Enterprise v16

Tasks