General

  • Target

    JaffaCakes118_c15b122b092fb7fd7609b0aa35c50055

  • Size

    12.0MB

  • Sample

    250109-hc8jvssjew

  • MD5

    c15b122b092fb7fd7609b0aa35c50055

  • SHA1

    f7a3a614f928c93255722285522751c2e2683f77

  • SHA256

    ca0a6b6fba4b953e89e02937e312d3827725b239597b5fa2d38ee50c4e522f1f

  • SHA512

    a35833133eb8b957ab4b497aaa8fe184dddde80951891de2ec66b93bc8eed046b30036c452a55fbd7d1a34cc16bffb54da3618df49a666801d7a560d3e2c89de

  • SSDEEP

    6144:0x1e32eIcaedCtrtmVHxzDlnTro77LlZgHzEV8hLH:0PemBSkrt8z5rofxW

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_c15b122b092fb7fd7609b0aa35c50055

    • Size

      12.0MB

    • MD5

      c15b122b092fb7fd7609b0aa35c50055

    • SHA1

      f7a3a614f928c93255722285522751c2e2683f77

    • SHA256

      ca0a6b6fba4b953e89e02937e312d3827725b239597b5fa2d38ee50c4e522f1f

    • SHA512

      a35833133eb8b957ab4b497aaa8fe184dddde80951891de2ec66b93bc8eed046b30036c452a55fbd7d1a34cc16bffb54da3618df49a666801d7a560d3e2c89de

    • SSDEEP

      6144:0x1e32eIcaedCtrtmVHxzDlnTro77LlZgHzEV8hLH:0PemBSkrt8z5rofxW

    • 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