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General

  • Target

    contract copy.exe

  • Size

    644KB

  • Sample

    230502-gctv2abf5s

  • MD5

    a7ad0ba62dd43be3bde3182daee37242

  • SHA1

    2d020705a207956277362c288631aefce048fa20

  • SHA256

    ff93a2e2fc9a3ff0bfe4ae5b9bef84478972cc403c1c68ce1de414e19acfa6ea

  • SHA512

    0bfb8385a7621ebcc75aa1af2963ea5f70467177a8190f324a7d2fa6153603d82df03b2556312aded543fba87c6858d0f78a5d3fbe9f945c7693f54615612261

  • SSDEEP

    12288:zL2iNvRDWMdaJT5dQqreSItmis1ZCbTXXCk0pGShnSJ1dxAsS/:v1tRtdaZkkeSIhs1wrykXSMJ1Q

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.quartziax.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    bSshyjZ4

Targets

    • Target

      contract copy.exe

    • Size

      644KB

    • MD5

      a7ad0ba62dd43be3bde3182daee37242

    • SHA1

      2d020705a207956277362c288631aefce048fa20

    • SHA256

      ff93a2e2fc9a3ff0bfe4ae5b9bef84478972cc403c1c68ce1de414e19acfa6ea

    • SHA512

      0bfb8385a7621ebcc75aa1af2963ea5f70467177a8190f324a7d2fa6153603d82df03b2556312aded543fba87c6858d0f78a5d3fbe9f945c7693f54615612261

    • SSDEEP

      12288:zL2iNvRDWMdaJT5dQqreSItmis1ZCbTXXCk0pGShnSJ1dxAsS/:v1tRtdaZkkeSIhs1wrykXSMJ1Q

    • 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

    • 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 v6

Tasks