General

  • Target

    feb278784fd5fa7005c523d96d0ffd96_JaffaCakes118

  • Size

    13.9MB

  • Sample

    240929-rjf8maxdqn

  • MD5

    feb278784fd5fa7005c523d96d0ffd96

  • SHA1

    81c3074e1f08781abf9f8306fd5fdf8e1f8b9933

  • SHA256

    eeffceddf2c04dab253113f235d71f2a6a5fb168a2269c93dce441babc903ec0

  • SHA512

    d6bee25ebccbf39a1feb49696ed0efebb0d6e393c257ef285af001cfc5f5fa2e5175fc87c4d884b69e87d5d42d41ce40e0e7dd3344a294a6dea458c3dac72ea5

  • SSDEEP

    6144:WeeKozztQBnWJ4ZF+PAb1nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn:WeeKozCBnuA

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      feb278784fd5fa7005c523d96d0ffd96_JaffaCakes118

    • Size

      13.9MB

    • MD5

      feb278784fd5fa7005c523d96d0ffd96

    • SHA1

      81c3074e1f08781abf9f8306fd5fdf8e1f8b9933

    • SHA256

      eeffceddf2c04dab253113f235d71f2a6a5fb168a2269c93dce441babc903ec0

    • SHA512

      d6bee25ebccbf39a1feb49696ed0efebb0d6e393c257ef285af001cfc5f5fa2e5175fc87c4d884b69e87d5d42d41ce40e0e7dd3344a294a6dea458c3dac72ea5

    • SSDEEP

      6144:WeeKozztQBnWJ4ZF+PAb1nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn:WeeKozCBnuA

    • 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