General

  • Target

    Swift_copy.zip

  • Size

    769KB

  • Sample

    240522-j4fhtshb95

  • MD5

    4fb6739641151a82cf83c81c865ebc35

  • SHA1

    4df05da5c5e84865a82302330dfbd142b8fa3703

  • SHA256

    c19abc33cd9765dbb763041a38e1afb0f3ddd832d6241d75e25991053746bab8

  • SHA512

    53df51f14ddcde6ad83e4dfcd2e9159814263c9355532690e9189cabc2a0519f1f5adcc89615c04413663546d8fdc3af167dedbc41d2992fe9774d9fd51a6a60

  • SSDEEP

    24576:/4ssbj9S2brxXDd8PlhN0qrQpOnB1n6M2o4:/4ssbxS2brj8PlQpOB1nGF

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Password: D4v_8+edvC?l. .

Targets

    • Target

      Swift_copy.exe

    • Size

      840KB

    • MD5

      b4e0d68cd11d3c370745b5bcfe981bd4

    • SHA1

      f62912f7cf77b9cdd34b31c0eebd73094a82ec57

    • SHA256

      ecd0495dc9d61ac16df7940ed6899897c02df2f51b4c87f19f6011ac10f17a61

    • SHA512

      04ee1aac52fac547a59cf1ec52dcab9138091eb27abbdd1bc5e9487f67c3870e334cdece880454a9b2548ad4dd8a32dfa5d092c8a8ad113b368fde0bbe460ddd

    • SSDEEP

      12288:fRx504bFtx504bFWxX5sDHmdMVly4kO/p/tpN1hNQhj2M+pWaohOtm7D/9O9wsoJ:Zw4bjw4bYrmHlXFm25W5OK1raBGdXV7

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks