General

  • Target

    JaffaCakes118_7431384f496c4d7218065e3f191b1362

  • Size

    10.0MB

  • Sample

    250107-xrkhxawmaq

  • MD5

    7431384f496c4d7218065e3f191b1362

  • SHA1

    52e1475f54f597396d82ce02032422fb80c66d7c

  • SHA256

    4dc9780c65fae9d38b25e13f2c651e92d442e7a466c55bc75dd91310166ee74c

  • SHA512

    a9f66a8e286efd7bafdb2c3b3e6194bf741efa218ea80a634761a9492d35dad121088db7102be806638252ca5791bd8a33568a15a4f3595a3433c662ed704209

  • SSDEEP

    49152:bkHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHn:

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_7431384f496c4d7218065e3f191b1362

    • Size

      10.0MB

    • MD5

      7431384f496c4d7218065e3f191b1362

    • SHA1

      52e1475f54f597396d82ce02032422fb80c66d7c

    • SHA256

      4dc9780c65fae9d38b25e13f2c651e92d442e7a466c55bc75dd91310166ee74c

    • SHA512

      a9f66a8e286efd7bafdb2c3b3e6194bf741efa218ea80a634761a9492d35dad121088db7102be806638252ca5791bd8a33568a15a4f3595a3433c662ed704209

    • SSDEEP

      49152:bkHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHn:

    • 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