General

  • Target

    invoice and packing List.exe

  • Size

    742KB

  • Sample

    230316-he57hsbg4v

  • MD5

    9a763390b850487e2a8c849fa66a2a12

  • SHA1

    bf754c07dcbabf51f7715a036f30d8eeb7d73710

  • SHA256

    b9e9daf6bb717f1fcf48903988ff22e8d08a2d7df065f08d4f7051afced9d66c

  • SHA512

    ea15111be91d3c47545051202a470f4b6cdf7cf44af99e102f7ee3f09065cd32db3fb5a0f9b1ed37b514737fd4ee7e16f8d4154225f133f7f5679a9fff56d07f

  • SSDEEP

    12288:CC1j6Y9gO5ap6Pqpa8TJSFf6UJEW0yKmKlcY0iyIRf9DjRq+2W5OCcuzQvJGRTw:CCd6YSOSsGJSFiGxKmKqYByE9fR72kfY

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      invoice and packing List.exe

    • Size

      742KB

    • MD5

      9a763390b850487e2a8c849fa66a2a12

    • SHA1

      bf754c07dcbabf51f7715a036f30d8eeb7d73710

    • SHA256

      b9e9daf6bb717f1fcf48903988ff22e8d08a2d7df065f08d4f7051afced9d66c

    • SHA512

      ea15111be91d3c47545051202a470f4b6cdf7cf44af99e102f7ee3f09065cd32db3fb5a0f9b1ed37b514737fd4ee7e16f8d4154225f133f7f5679a9fff56d07f

    • SSDEEP

      12288:CC1j6Y9gO5ap6Pqpa8TJSFf6UJEW0yKmKlcY0iyIRf9DjRq+2W5OCcuzQvJGRTw:CCd6YSOSsGJSFiGxKmKqYByE9fR72kfY

    • 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.

    • 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

    • 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 v6

Tasks