General

  • Target
    Factura pendiente.JS
  • Size 3.2MB
  • Sample261001-jtnrfswt7m
  • SHA256 b15494c671395c45978800229a26fbfcb1af47337974e120e6885cab21b6578c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot7842519054:AAFo7X7Ck72-8s9JHt9boAxHhaSm8A_EDEs/

Targets

    • Target
      Factura pendiente.JS
    • Size 3.2MB
    • SHA256 b15494c671395c45978800229a26fbfcb1af47337974e120e6885cab21b6578c
    • 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