General

  • Target

    9b74432ca2ef952dd316fce4115e223155fd773ef1af8e6202057dc6ff065aef

  • Size

    376KB

  • Sample

    220521-n3zbrshfgr

  • MD5

    61f8c4bc6108fa1f52cb663f25bbf6b2

  • SHA1

    b351f4a7c4ec9e1a644786a72641347fb7004fb1

  • SHA256

    9b74432ca2ef952dd316fce4115e223155fd773ef1af8e6202057dc6ff065aef

  • SHA512

    7d9253d41dd20c7e0591a22ab75bb748609be863d87be437ab6ff89a8ec1130092504dd9370090944347c81f94f1bb51b0d84c68e3093eb0f64473095e4d9576

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ibc.by
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    QWErty654321

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ibc.by
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    QWErty654321

Targets

    • Target

      BL Draft Copy-shipping Documents3-12-06-20.EXCEL.XLS.xlsx.exe

    • Size

      408KB

    • MD5

      f7bb48793e8d292597ffd8e8782bc597

    • SHA1

      157cca571614e2cfcabf4ced974869bc8ca1c41b

    • SHA256

      f027cf4d4648d73779ecd0126f3a7bdfd7621d8a7846cac4d6515ac1a6442be9

    • SHA512

      cd55240f4c9f9197cd5073e5937c5f2eb9794b167ae7727286443b5d8dfeb34464fdee8b7183d630f066d35ae0a007c8bc56f3a63750c7f42241a302c2684196

    • AgentTesla

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

    • AgentTesla Payload

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks