General

  • Target

    ef919d7e9d57cb93e0d302d0c28fa7d7_JaffaCakes118

  • Size

    764KB

  • Sample

    241214-tgwlmsypcl

  • MD5

    ef919d7e9d57cb93e0d302d0c28fa7d7

  • SHA1

    ea979eafe7938764321e8ba521e12b2f766566cb

  • SHA256

    28f41151019d93a72e0e3ceb9e0114dbcf80759416b03bf4913d9191728bde2b

  • SHA512

    ec069642d5acbb899b052317f7f9b26112700983b1dd7b6c72f53d21cb2cb6c24a47b9c7097f18e5d7b7f952e65af93e5944c936bd345958c0d8c36c3795c1e5

  • SSDEEP

    12288:ZCmzas+1nf8gFhF/z+YETQy8/wH+4A18bh53iXyxetzD+iZmgR2kzWJx1CZSe9OT:ZCmanfN+YETm/wH+4A189otzCiZmXkzC

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ecomotivesee.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    infoTIM007

Targets

    • Target

      ef919d7e9d57cb93e0d302d0c28fa7d7_JaffaCakes118

    • Size

      764KB

    • MD5

      ef919d7e9d57cb93e0d302d0c28fa7d7

    • SHA1

      ea979eafe7938764321e8ba521e12b2f766566cb

    • SHA256

      28f41151019d93a72e0e3ceb9e0114dbcf80759416b03bf4913d9191728bde2b

    • SHA512

      ec069642d5acbb899b052317f7f9b26112700983b1dd7b6c72f53d21cb2cb6c24a47b9c7097f18e5d7b7f952e65af93e5944c936bd345958c0d8c36c3795c1e5

    • SSDEEP

      12288:ZCmzas+1nf8gFhF/z+YETQy8/wH+4A18bh53iXyxetzD+iZmgR2kzWJx1CZSe9OT:ZCmanfN+YETm/wH+4A189otzCiZmXkzC

    • AgentTesla

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

    • Agenttesla family

    • AgentTesla payload

    • Looks for VirtualBox Guest Additions in registry

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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.

    • Accesses Microsoft Outlook profiles

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks