General

  • Target
    08092026_0157_07092026_ESL Hong Kong - Revised Local Charges - Effective from 05 September 2026.JS.zip
  • Size 1.8MB
  • Sample260908-cdnyyszdnh
  • SHA256 c97075e23cac4028f264c358eb14208bc06722b2ba31fd7b5d6167dfc9a8e71a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • agenttesla

Credentials

Targets

    • Target
      ESL Hong Kong - Revised Local Charges - Effective from 05 September 2026.JS
    • Size 5.0MB
    • SHA256 c07c6faf3fbcea7047f17c960db76a1e99de61ec53ef22d0b96409c78c6ad224
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: AgentTesla

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

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v16

Tasks