General

  • Target
    jaffacakes118_15921f2949858a67b8f01ac048ceed3083774b664549ea455d12eb8748049961.bin
  • Size 764KB
  • Sample260922-hhh66aac93
  • SHA256 15921f2949858a67b8f01ac048ceed3083774b664549ea455d12eb8748049961
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Credentials
  • Protocol

    ftp

  • Host

    ftp.martur.cl

  • Port

    21

  • Password

    (57reRWWw5dj

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.martur.cl

  • Port

    21

  • Password

    (57reRWWw5dj

Targets

    • Target
      jaffacakes118_15921f2949858a67b8f01ac048ceed3083774b664549ea455d12eb8748049961.bin
    • Size 764KB
    • SHA256 15921f2949858a67b8f01ac048ceed3083774b664549ea455d12eb8748049961
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: AgentTesla

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

    • Family: WSHRAT

      WSHRAT is a variant of Houdini worm and has vbs and js variants.

    • WSHRAT payload

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Checks computer location settings

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

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Executes dropped EXE

    • 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.

    • 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 v16

Tasks