General

  • Target

    bf2e39e47da5729766c76a58548b6523.bin

  • Size

    573KB

  • Sample

    240831-b7scssyhqr

  • MD5

    dd364042eeb1d84e78599c5473da910d

  • SHA1

    8670189aa9167c31b39484f67ea8e82c7f8dafa4

  • SHA256

    82748d501196abc22a6510b7675df4edd328aa4b39621c1f31b6f8af17444e34

  • SHA512

    3782d251c062a34fa53344e69f55e401bfd00eab081deab3f6cd10f92ef2dbabe145b3736d1f1e58d3d8428e4ba58eb5f79db57df8a1291de9fc406714c2b89f

  • SSDEEP

    12288:RZ2aL0vaXrLfo4W0L1M5WPihT5QIfdkrsVvoOwrD6861tFUNx8w6x1XGakRIak/T:R0aLAaXXLnKPbQIfSruovnl61Maw6xBP

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      713da332ae6fe352c05756fa2597abcea37877e5e585d94422a055d9f45e8a34.exe

    • Size

      604KB

    • MD5

      bf2e39e47da5729766c76a58548b6523

    • SHA1

      cd0b15ba2b594a6b57a201474e9ab4e682a7a757

    • SHA256

      713da332ae6fe352c05756fa2597abcea37877e5e585d94422a055d9f45e8a34

    • SHA512

      9f9d81ad76b671f5dce9b3d4bceadb69a881eec10b61d4572e2f67fd021f3652f442727e976519ba55dba8677c459ecce108ad7d3d3e71b43e28da092612edef

    • SSDEEP

      12288:dVVkS4jJ/wKGLOKuWtz16IOKuMz2MIEeRc8MH:JknKOtkYtztRc80

    • AgentTesla

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

    • 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.

    • Accesses Microsoft Outlook profiles

    • 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 v15

Tasks