General

  • Target

    fb8c3b1284528446a58f78c37e1d3d3e_JaffaCakes118

  • Size

    320KB

  • Sample

    240928-fk9e1syalk

  • MD5

    fb8c3b1284528446a58f78c37e1d3d3e

  • SHA1

    8b01ef8bce9790cc97590660d57ec95b7c14ca98

  • SHA256

    7da7e2a35e30e6c5225bc20e742f88cc1dd2df208c9ff5bdfbe0ab85966d83db

  • SHA512

    5312c2532d93e0731b2ba0fa97b45aba37fce84669a5b3aca8c586209b415fdc03dc2f7f1b8e43d04ca3e0be6014754b91dc9169d188c2b2cbb0327c0702fa2c

  • SSDEEP

    6144:dLqTciI7S180z6sdUku30CZchZvDSWvWLgZguoDdaYFGIYE:dLBS7ikU0CZS+WvWL0gZDsDE

Malware Config

Targets

    • Target

      fb8c3b1284528446a58f78c37e1d3d3e_JaffaCakes118

    • Size

      320KB

    • MD5

      fb8c3b1284528446a58f78c37e1d3d3e

    • SHA1

      8b01ef8bce9790cc97590660d57ec95b7c14ca98

    • SHA256

      7da7e2a35e30e6c5225bc20e742f88cc1dd2df208c9ff5bdfbe0ab85966d83db

    • SHA512

      5312c2532d93e0731b2ba0fa97b45aba37fce84669a5b3aca8c586209b415fdc03dc2f7f1b8e43d04ca3e0be6014754b91dc9169d188c2b2cbb0327c0702fa2c

    • SSDEEP

      6144:dLqTciI7S180z6sdUku30CZchZvDSWvWLgZguoDdaYFGIYE:dLBS7ikU0CZS+WvWL0gZDsDE

    • AgentTesla

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • 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