General

  • Target

    cc332ccb5bb6d7e9c42d16baf8a9d61c_JaffaCakes118

  • Size

    857KB

  • Sample

    240831-eqks6sverk

  • MD5

    cc332ccb5bb6d7e9c42d16baf8a9d61c

  • SHA1

    6725512e821eff5fd5fc25c037c33c3c7dc9a99e

  • SHA256

    9f3823a99a60878260c9f7784d5aad74fb1126e0540104df3b36248387da25af

  • SHA512

    1c14f6461616525ed0d0cdfb89afd15262448909b223d1e7b8ca92aea5ed67dd38aee7b65f51c6e283f458a5a2ff34973c7284bd307dba21e9a11e8fff9ba6ca

  • SSDEEP

    12288:d3tA08aqa2yUDa3jKk7MDA46WTmQxhfd6bX+I+oqb+g5l8ao9+b+LgvfbTU5BnM9:CZIFeHbVSrsuu3wiTXpgj/F+VF+2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.sapcoautopart.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    QFJyIhb5

Targets

    • Target

      cc332ccb5bb6d7e9c42d16baf8a9d61c_JaffaCakes118

    • Size

      857KB

    • MD5

      cc332ccb5bb6d7e9c42d16baf8a9d61c

    • SHA1

      6725512e821eff5fd5fc25c037c33c3c7dc9a99e

    • SHA256

      9f3823a99a60878260c9f7784d5aad74fb1126e0540104df3b36248387da25af

    • SHA512

      1c14f6461616525ed0d0cdfb89afd15262448909b223d1e7b8ca92aea5ed67dd38aee7b65f51c6e283f458a5a2ff34973c7284bd307dba21e9a11e8fff9ba6ca

    • SSDEEP

      12288:d3tA08aqa2yUDa3jKk7MDA46WTmQxhfd6bX+I+oqb+g5l8ao9+b+LgvfbTU5BnM9:CZIFeHbVSrsuu3wiTXpgj/F+VF+2

    • AgentTesla

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

    • AgentTesla payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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.

    • Drops file in Drivers directory

    • 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