General

  • Target

    b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121

  • Size

    1.5MB

  • Sample

    250112-bhsx2azpeq

  • MD5

    648e6ba825d199c83245f55645d2cb4f

  • SHA1

    cff7c413e89a04ed3bbc06b669100aa1ddf3808d

  • SHA256

    b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121

  • SHA512

    7c09e5de4fdbbc14fe53cb6845fc9de0ec1d50ed46d375dec5d9b7f41fe5079159dff8f38b6363661920bb9f3d53adae39884dbd6f01bab6891740ee5defd92b

  • SSDEEP

    24576:1AGgCC6FIVG7MVGCAtX4HGqvIM3zk3Dv1RIAhjLoamMiX4lNmZg0YxegPbUIDPP:t/PPCAtX4mqv3WjLoyEkmZ9Y14

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    curtisswright.me
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    BRIAN22@123456789

Targets

    • Target

      b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121

    • Size

      1.5MB

    • MD5

      648e6ba825d199c83245f55645d2cb4f

    • SHA1

      cff7c413e89a04ed3bbc06b669100aa1ddf3808d

    • SHA256

      b27e1c407b9aa70d15f01d33e99cb28730bed336f164b89eb06b8e0bbb308121

    • SHA512

      7c09e5de4fdbbc14fe53cb6845fc9de0ec1d50ed46d375dec5d9b7f41fe5079159dff8f38b6363661920bb9f3d53adae39884dbd6f01bab6891740ee5defd92b

    • SSDEEP

      24576:1AGgCC6FIVG7MVGCAtX4HGqvIM3zk3Dv1RIAhjLoamMiX4lNmZg0YxegPbUIDPP:t/PPCAtX4mqv3WjLoyEkmZ9Y14

    • AgentTesla

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

    • Agenttesla family

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks