General

  • Target

    5041673918XXXXX.BAT.exe

  • Size

    330KB

  • Sample

    231211-k6qx1scaa3

  • MD5

    936f0aaff53261396d764a5429c6a05e

  • SHA1

    c9b23f881ef506918a8b90a6789878e130fc2d55

  • SHA256

    6c7a86fab40be3fa9a95bbeb52f9c790d239646d0ff8504cfa5629f4fd9a1f42

  • SHA512

    84fa483869c5307f31496cc66847f777e8ddfe677b2694ec83385dddd34a0a571f36aa50edb39d4da5961346a62e161097c5e62e710795fd8569cfc2f76af967

  • SSDEEP

    6144:P8LxBs9bI62/EJuzNsHyAOhJsiBQqu7mycVtXBpve5CzmTc/bfq6PfqpctSbT9k7:B1Ip85yAKJsienHqtuCzJTfPSYSbY

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.asiaparadisehotel.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ^b2ycDldex$@

Targets

    • Target

      5041673918XXXXX.BAT.exe

    • Size

      330KB

    • MD5

      936f0aaff53261396d764a5429c6a05e

    • SHA1

      c9b23f881ef506918a8b90a6789878e130fc2d55

    • SHA256

      6c7a86fab40be3fa9a95bbeb52f9c790d239646d0ff8504cfa5629f4fd9a1f42

    • SHA512

      84fa483869c5307f31496cc66847f777e8ddfe677b2694ec83385dddd34a0a571f36aa50edb39d4da5961346a62e161097c5e62e710795fd8569cfc2f76af967

    • SSDEEP

      6144:P8LxBs9bI62/EJuzNsHyAOhJsiBQqu7mycVtXBpve5CzmTc/bfq6PfqpctSbT9k7:B1Ip85yAKJsienHqtuCzJTfPSYSbY

    • AgentTesla

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

    • Executes dropped EXE

    • 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.

    • UPX packed file

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

    • 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 v15

Tasks