General

  • Target

    025edc9d68553aef5023e36f5619288029ad8d0ba54722ad5e84090fbe7f6a06

  • Size

    840KB

  • Sample

    240522-bwpgrsgc3s

  • MD5

    e9417257601d0fe15e5aa88e55f48d3e

  • SHA1

    287acb3bb1a002ff847e174120faec1b68dc0705

  • SHA256

    025edc9d68553aef5023e36f5619288029ad8d0ba54722ad5e84090fbe7f6a06

  • SHA512

    c6350d90d747328c19b989b6a2763f8256b7f5783877a307998d1fa2ba3382b19229775720f3373f71b8c2b5ea5ec56f8f67c064349438e5a5c63a833c9d9c76

  • SSDEEP

    12288:lsx504bFtx504bFWxeesYncdX7zFTkYFcDkwMWSy9GwNR1uHj3bazzOMHorofn+e:Gw4bjw4b8cdrzVkYaDkUaI864oP++7

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.steelvalleysa.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    SteelValley@2023

Targets

    • Target

      025edc9d68553aef5023e36f5619288029ad8d0ba54722ad5e84090fbe7f6a06

    • Size

      840KB

    • MD5

      e9417257601d0fe15e5aa88e55f48d3e

    • SHA1

      287acb3bb1a002ff847e174120faec1b68dc0705

    • SHA256

      025edc9d68553aef5023e36f5619288029ad8d0ba54722ad5e84090fbe7f6a06

    • SHA512

      c6350d90d747328c19b989b6a2763f8256b7f5783877a307998d1fa2ba3382b19229775720f3373f71b8c2b5ea5ec56f8f67c064349438e5a5c63a833c9d9c76

    • SSDEEP

      12288:lsx504bFtx504bFWxeesYncdX7zFTkYFcDkwMWSy9GwNR1uHj3bazzOMHorofn+e:Gw4bjw4b8cdrzVkYaDkUaI864oP++7

    • AgentTesla

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

    • 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.

    • 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.

MITRE ATT&CK Enterprise v15

Tasks