General

  • Target

    JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b

  • Size

    335KB

  • Sample

    241222-a8anpswrbn

  • MD5

    4394a0493a8fafdf603860738fab4693

  • SHA1

    5dec1c2e26e33793e1001cae187651991dc9fbeb

  • SHA256

    61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b

  • SHA512

    d3ca72b916bb52c54866499c1413132bf12f87f530bc6baec79ec8996eda9175a9d3d257534fc6f3bd7afe9b3730b65b053285be6a88bacd47ea4262730b188f

  • SSDEEP

    6144:VFsDoEMUCSzZL1Fl7GEWxwNaIE/TSd0fKK2:VFIoEMvS9BFl7G9SaVTSdRx

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b

    • Size

      335KB

    • MD5

      4394a0493a8fafdf603860738fab4693

    • SHA1

      5dec1c2e26e33793e1001cae187651991dc9fbeb

    • SHA256

      61f9b7dae33e4f3cdf80b5ce50d2fb285aabc4b952cf815842bbc90310785a3b

    • SHA512

      d3ca72b916bb52c54866499c1413132bf12f87f530bc6baec79ec8996eda9175a9d3d257534fc6f3bd7afe9b3730b65b053285be6a88bacd47ea4262730b188f

    • SSDEEP

      6144:VFsDoEMUCSzZL1Fl7GEWxwNaIE/TSd0fKK2:VFIoEMvS9BFl7G9SaVTSdRx

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Tofsee family

    • Windows security bypass

    • Creates new service(s)

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks