General

  • Target

    JaffaCakes118_66a6da04154d8f34b280188ff2e675b9137622f9046912a1761e1561b7321bac

  • Size

    238KB

  • Sample

    241225-hhjgxszrgl

  • MD5

    8271ce4f3cbd9b09bf15c5a68e88b0da

  • SHA1

    8a67d568576e34c1c6e94b61f659f450df2ef96d

  • SHA256

    66a6da04154d8f34b280188ff2e675b9137622f9046912a1761e1561b7321bac

  • SHA512

    27c67f1762515a99e1260866235aee0904685144af6f09bb5c384a0caca2e95438310b690f12e32b8d46d349d9027d2d76a589bcfdaed3c75e69ce05dd2a0bd4

  • SSDEEP

    3072:a7V2YJR9xNKX/hxlknRrKpyCaU0m+J2x5UrqGjcxSVggjcGkNIVqI7sxkgaBChMg:bYr9xNKXSnQMmJWr0K7ITsq7igavwVf

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_66a6da04154d8f34b280188ff2e675b9137622f9046912a1761e1561b7321bac

    • Size

      238KB

    • MD5

      8271ce4f3cbd9b09bf15c5a68e88b0da

    • SHA1

      8a67d568576e34c1c6e94b61f659f450df2ef96d

    • SHA256

      66a6da04154d8f34b280188ff2e675b9137622f9046912a1761e1561b7321bac

    • SHA512

      27c67f1762515a99e1260866235aee0904685144af6f09bb5c384a0caca2e95438310b690f12e32b8d46d349d9027d2d76a589bcfdaed3c75e69ce05dd2a0bd4

    • SSDEEP

      3072:a7V2YJR9xNKX/hxlknRrKpyCaU0m+J2x5UrqGjcxSVggjcGkNIVqI7sxkgaBChMg:bYr9xNKXSnQMmJWr0K7ITsq7igavwVf

    • 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