General

  • Target

    53d76bb5b64e47426f0e917df07fe458_JaffaCakes118

  • Size

    100KB

  • Sample

    240518-kclq7sbg24

  • MD5

    53d76bb5b64e47426f0e917df07fe458

  • SHA1

    fd7a4854773cec14c3faac841f58f22f4d870bea

  • SHA256

    a1978f71a6c74917b832e91e4ca0f7e7c7aad4cebf354696c92b0e42ef2af0ac

  • SHA512

    44bb18fe4cd15f56f5f51d1599d1f0765b122b57c0469f4004e950770c470c68d13283a958e5489f7355a6aa31e288531a6f905c83e2212af3dfae51cb05272b

  • SSDEEP

    1536:K0HtGDRSAfMOdAhezBhgmnK5649QAqZD0EinrGOlI3M4a50R3ddbhUfIVIjE1:uDRSApAhGBhgO495KzODINdR/2f+P

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      53d76bb5b64e47426f0e917df07fe458_JaffaCakes118

    • Size

      100KB

    • MD5

      53d76bb5b64e47426f0e917df07fe458

    • SHA1

      fd7a4854773cec14c3faac841f58f22f4d870bea

    • SHA256

      a1978f71a6c74917b832e91e4ca0f7e7c7aad4cebf354696c92b0e42ef2af0ac

    • SHA512

      44bb18fe4cd15f56f5f51d1599d1f0765b122b57c0469f4004e950770c470c68d13283a958e5489f7355a6aa31e288531a6f905c83e2212af3dfae51cb05272b

    • SSDEEP

      1536:K0HtGDRSAfMOdAhezBhgmnK5649QAqZD0EinrGOlI3M4a50R3ddbhUfIVIjE1:uDRSApAhGBhgO495KzODINdR/2f+P

    • Tofsee

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

    • 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