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General

  • Target

    9778172ff1069777ea429eb3e5146c5d_JaffaCakes118

  • Size

    603KB

  • Sample

    241124-1z6mwsxrbl

  • MD5

    9778172ff1069777ea429eb3e5146c5d

  • SHA1

    c6557bd92e045505ab59a28139a1d5d31b137563

  • SHA256

    3656563b1ff80989a6c9fbbfb160521d5bf22fcb795439b856d0f011b4f965fd

  • SHA512

    ea990f42ba385293f31f272581866029165cc8629f363420dca52dd277e1ae5c2520809356d5c3b6333ccc4e25bfc5bff61cf80418c9821da45ee7e8d9f9ebc8

  • SSDEEP

    12288:AtIs3bREzBM1BNXRPzQz2vSN38TkxiRcVcr+afSCHuCQS4ZQxorhf9v:WbRENYE4aWk0RcCr+sSCB4tr

Malware Config

Extracted

Family

agenttesla

Credentials

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

Targets

    • Target

      9778172ff1069777ea429eb3e5146c5d_JaffaCakes118

    • Size

      603KB

    • MD5

      9778172ff1069777ea429eb3e5146c5d

    • SHA1

      c6557bd92e045505ab59a28139a1d5d31b137563

    • SHA256

      3656563b1ff80989a6c9fbbfb160521d5bf22fcb795439b856d0f011b4f965fd

    • SHA512

      ea990f42ba385293f31f272581866029165cc8629f363420dca52dd277e1ae5c2520809356d5c3b6333ccc4e25bfc5bff61cf80418c9821da45ee7e8d9f9ebc8

    • SSDEEP

      12288:AtIs3bREzBM1BNXRPzQz2vSN38TkxiRcVcr+afSCHuCQS4ZQxorhf9v:WbRENYE4aWk0RcCr+sSCB4tr

    • 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