General

  • Target

    JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708

  • Size

    138KB

  • Sample

    241221-x16gqsxmar

  • MD5

    cdb1e2cb6739f193391b6cb9b1ca1041

  • SHA1

    c125ffa0af699f6b761a787a4dbc653fd8a26c9d

  • SHA256

    6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708

  • SHA512

    e285535a2a351ae98d6f75d7277a4521f353a6d8f3450b4ba1c86032db9b1e604cf9e3b24293a3c30b40563a15b494c943c24783b06cdbba4ec5d75eb7dc5912

  • SSDEEP

    1536:gB0hlXF9aPJf1cNZXQdRUIE6xEhGT2awEkLaBZhXRqk5ksw+CEZ+UONiU+g0n:aAUKHAxAhCaEkLALBqk55PdZ7giZ

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708

    • Size

      138KB

    • MD5

      cdb1e2cb6739f193391b6cb9b1ca1041

    • SHA1

      c125ffa0af699f6b761a787a4dbc653fd8a26c9d

    • SHA256

      6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708

    • SHA512

      e285535a2a351ae98d6f75d7277a4521f353a6d8f3450b4ba1c86032db9b1e604cf9e3b24293a3c30b40563a15b494c943c24783b06cdbba4ec5d75eb7dc5912

    • SSDEEP

      1536:gB0hlXF9aPJf1cNZXQdRUIE6xEhGT2awEkLaBZhXRqk5ksw+CEZ+UONiU+g0n:aAUKHAxAhCaEkLALBqk55PdZ7giZ

    • 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