General

  • Target

    b7d2cbbb89d8e19df00ca2912eed64113e334ae25e27151c384fe170f2d58def.exe

  • Size

    752KB

  • Sample

    240903-cttjdawbrf

  • MD5

    ff97fec579778776ce97d2d0118bdae5

  • SHA1

    22914dbd72f9392dc7ebcdf96c3ea82547ff0dfe

  • SHA256

    b7d2cbbb89d8e19df00ca2912eed64113e334ae25e27151c384fe170f2d58def

  • SHA512

    4dfe864b296218f894f87a5df34110983a5429d6fd3900359230ebf23962420b28cd766dcdecf3b075134572a927e0f0313244b1e7f3f3f981c257712664bf5c

  • SSDEEP

    12288:1wfLnnvchm2rbS1jpdNvCFjG172tqYOkoWFiKkIYLJ6UEQgVhhaHFw1GfCo/Tn:Wb0hmYbSdNKFjG1CaWFiK4E7VxoTn

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.cup.org.pk
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Cup@123#

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      b7d2cbbb89d8e19df00ca2912eed64113e334ae25e27151c384fe170f2d58def.exe

    • Size

      752KB

    • MD5

      ff97fec579778776ce97d2d0118bdae5

    • SHA1

      22914dbd72f9392dc7ebcdf96c3ea82547ff0dfe

    • SHA256

      b7d2cbbb89d8e19df00ca2912eed64113e334ae25e27151c384fe170f2d58def

    • SHA512

      4dfe864b296218f894f87a5df34110983a5429d6fd3900359230ebf23962420b28cd766dcdecf3b075134572a927e0f0313244b1e7f3f3f981c257712664bf5c

    • SSDEEP

      12288:1wfLnnvchm2rbS1jpdNvCFjG172tqYOkoWFiKkIYLJ6UEQgVhhaHFw1GfCo/Tn:Wb0hmYbSdNKFjG1CaWFiK4E7VxoTn

    • AgentTesla

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks