General

  • Target

    JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641

  • Size

    290KB

  • Sample

    241226-vxrs3askfx

  • MD5

    9946c671ddc90253608354599a3dcf42

  • SHA1

    675c3b3e4682298fdd3120b836a68b84ee74730e

  • SHA256

    74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641

  • SHA512

    efcad1ff557ed3b8cf91c8e09580dfeb752f7011edc7404c95076a17285c852b154516015049d73c000a01cf2a128ae73e486a730e5b5d089364d8944b67d2c4

  • SSDEEP

    6144:QZDhTWrhgUaxjFftGu35QZ+2PPFGrGuislc03r:QZDhTWrhgUWFfMuP0FGqb/0

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641

    • Size

      290KB

    • MD5

      9946c671ddc90253608354599a3dcf42

    • SHA1

      675c3b3e4682298fdd3120b836a68b84ee74730e

    • SHA256

      74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641

    • SHA512

      efcad1ff557ed3b8cf91c8e09580dfeb752f7011edc7404c95076a17285c852b154516015049d73c000a01cf2a128ae73e486a730e5b5d089364d8944b67d2c4

    • SSDEEP

      6144:QZDhTWrhgUaxjFftGu35QZ+2PPFGrGuislc03r:QZDhTWrhgUWFfMuP0FGqb/0

    • 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