General

  • Target

    JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873

  • Size

    254KB

  • Sample

    241224-rv6mnazlfn

  • MD5

    308d72a6ab750bb644ade8ba1fbbd53b

  • SHA1

    e57b214def5be0f41fc93aada38954f79b705f4e

  • SHA256

    c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873

  • SHA512

    03531979a92ab7f5a9de753e8c11b1a8263c6b3d4e461ee2246386ddbfb10dfec6d67eae531c326c447b73fe1b6136f25d1419c5adc229c3595cf78da76889c3

  • SSDEEP

    6144:EvzGRGQGlJXwcXXqMaul4TFOoJyDIEMgUpSulOP3U:ErEPGlJXwsXOjTkVDIEMg8fw

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873

    • Size

      254KB

    • MD5

      308d72a6ab750bb644ade8ba1fbbd53b

    • SHA1

      e57b214def5be0f41fc93aada38954f79b705f4e

    • SHA256

      c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873

    • SHA512

      03531979a92ab7f5a9de753e8c11b1a8263c6b3d4e461ee2246386ddbfb10dfec6d67eae531c326c447b73fe1b6136f25d1419c5adc229c3595cf78da76889c3

    • SSDEEP

      6144:EvzGRGQGlJXwcXXqMaul4TFOoJyDIEMgUpSulOP3U:ErEPGlJXwsXOjTkVDIEMg8fw

    • 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