General

  • Target
    HSBC remittance Application.exe
  • Size 1.2MB
  • Sample200713-zcnem7j8ee
  • SHA256 cf02bb3aa058cc571d6c3368f98a96fefa3db05a813ea479d002edc1c3cbdb95
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    smtp.imp-powers.com

  • Port

    587

  • Password

    AHZlkhbJ1

Targets

    • Target
      HSBC remittance Application.exe
    • Size 1.2MB
    • SHA256 cf02bb3aa058cc571d6c3368f98a96fefa3db05a813ea479d002edc1c3cbdb95
    • MD5 SHA1 SHA512
    • AgentTesla

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

    • Modifies WinLogon for persistence

    • Modifies visiblity of hidden/system files in Explorer

    • AgentTesla Payload

    • Executes dropped EXE

    • Modifies Installed Components in the registry

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Drops startup file

    • Loads dropped DLL

    • 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.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks