General

  • Target

    JaffaCakes118_5a9ef809fc37070083a115aa190ef1f1

  • Size

    10.0MB

  • Sample

    250107-k84a5awpel

  • MD5

    5a9ef809fc37070083a115aa190ef1f1

  • SHA1

    521c99511375bf9e2e2895885426fc61ead1dd1a

  • SHA256

    725942837d07ecacfd205166ae30d8286620d8f3ccbcc9a76b03c32ec0db9e51

  • SHA512

    155c9dd52fd34d2d54661ab6c8094dbe4ea2022dbb582ec7c4032950c5b07c446a3cde4169ea66d5c38bd8876a3d71577c54cffbb14dfe324568c437f92548cc

  • SSDEEP

    12288:XExmZ6o10cbFU5tFU5tFU5tFU5tFU5tFU5tFU5tFU5tFU5tFU5tFU5tFU5tFU5ts:XEx27

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_5a9ef809fc37070083a115aa190ef1f1

    • Size

      10.0MB

    • MD5

      5a9ef809fc37070083a115aa190ef1f1

    • SHA1

      521c99511375bf9e2e2895885426fc61ead1dd1a

    • SHA256

      725942837d07ecacfd205166ae30d8286620d8f3ccbcc9a76b03c32ec0db9e51

    • SHA512

      155c9dd52fd34d2d54661ab6c8094dbe4ea2022dbb582ec7c4032950c5b07c446a3cde4169ea66d5c38bd8876a3d71577c54cffbb14dfe324568c437f92548cc

    • SSDEEP

      12288:XExmZ6o10cbFU5tFU5tFU5tFU5tFU5tFU5tFU5tFU5tFU5tFU5tFU5tFU5tFU5ts:XEx27

    • 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