General

  • Target

    SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe

  • Size

    778KB

  • Sample

    231207-rnewcsbg92

  • MD5

    b804ab53568da077d7b0e06d513c5b0a

  • SHA1

    8d9a780613e7e085d1a061289b173b78338281a6

  • SHA256

    62f110e6069b3d5860ba51cad3f0a0ad8ef97cc6d5c3f461119236667599eb39

  • SHA512

    42a827a33f03f33b6f6fab753c07f1eeed87d4d8f2cd01c274e1f403a70dc7f32552b222f9b6b051bfd4ca4fe49e86c24003478a9e5fba47af88e1a6c7014498

  • SSDEEP

    24576:fcK/7IWyO2s0cYtMmKgTW+XGXZmEypIovV1:fcs757pRYh/uXN8

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.strictfacilityservices.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    SFS!@#321

Targets

    • Target

      SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe

    • Size

      778KB

    • MD5

      b804ab53568da077d7b0e06d513c5b0a

    • SHA1

      8d9a780613e7e085d1a061289b173b78338281a6

    • SHA256

      62f110e6069b3d5860ba51cad3f0a0ad8ef97cc6d5c3f461119236667599eb39

    • SHA512

      42a827a33f03f33b6f6fab753c07f1eeed87d4d8f2cd01c274e1f403a70dc7f32552b222f9b6b051bfd4ca4fe49e86c24003478a9e5fba47af88e1a6c7014498

    • SSDEEP

      24576:fcK/7IWyO2s0cYtMmKgTW+XGXZmEypIovV1:fcs757pRYh/uXN8

    • 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.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks