General

  • Target

    d3f83c0381649d514b2dd5ad41768b33_JaffaCakes118

  • Size

    3.8MB

  • Sample

    240908-kpw3psyend

  • MD5

    d3f83c0381649d514b2dd5ad41768b33

  • SHA1

    d55e5d2e47bd221f1f3ef38ab28ca255ca4d8c69

  • SHA256

    41038364ec149409b74f198baf99938e9b1bd769b1eda1c3a8fbe9fe1b78d606

  • SHA512

    59b9a25544a07781262cbd54255e6e3a3f061254d59e524147e53685d83cf4fd8ae9267321e811222e5ef08afd65115121beba73ac5147af1a1f33cb48e5a533

  • SSDEEP

    1536:Oq16RwEWQ54ZfPovdnSyvnqqOB5lPXQeeG22QVmr9G8FWDAOhWdTjxkxghc4vXaS:Oq1owlXZfPo1nSyvqqOB5qYQTYb

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1440824094:AAEKwzzW--kPnTlDeEhK5etIjA9T8kCtNeQ/sendDocument

Targets

    • Target

      d3f83c0381649d514b2dd5ad41768b33_JaffaCakes118

    • Size

      3.8MB

    • MD5

      d3f83c0381649d514b2dd5ad41768b33

    • SHA1

      d55e5d2e47bd221f1f3ef38ab28ca255ca4d8c69

    • SHA256

      41038364ec149409b74f198baf99938e9b1bd769b1eda1c3a8fbe9fe1b78d606

    • SHA512

      59b9a25544a07781262cbd54255e6e3a3f061254d59e524147e53685d83cf4fd8ae9267321e811222e5ef08afd65115121beba73ac5147af1a1f33cb48e5a533

    • SSDEEP

      1536:Oq16RwEWQ54ZfPovdnSyvnqqOB5lPXQeeG22QVmr9G8FWDAOhWdTjxkxghc4vXaS:Oq1owlXZfPo1nSyvqqOB5qYQTYb

    • AgentTesla

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

    • Modifies Windows Defender Real-time Protection settings

    • Turns off Windows Defender SpyNet reporting

    • Windows security bypass

    • AgentTesla payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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.

    • Windows security modification

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks