General

  • Target

    JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a

  • Size

    285KB

  • Sample

    241222-b8kdksykcx

  • MD5

    18c17011dc0a7eb3edb1f8d25becd9d8

  • SHA1

    934ee7e00313f6a2c5ce1b85c9ac397a7a85ad6c

  • SHA256

    9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a

  • SHA512

    ee8cd3a766864cf3f9d7eeda81b548befcee5c91d3089004cfeb527fce3506cc71c76bc940d9337a1783723b13fa279a60748f7323033ddb6f473c64e16f6128

  • SSDEEP

    6144:IWipWoRl6bpZ6AKr4sh0OmQmKSg6FDleRrX:IWipWoRl6b84j9qSgSQRrX

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a

    • Size

      285KB

    • MD5

      18c17011dc0a7eb3edb1f8d25becd9d8

    • SHA1

      934ee7e00313f6a2c5ce1b85c9ac397a7a85ad6c

    • SHA256

      9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a

    • SHA512

      ee8cd3a766864cf3f9d7eeda81b548befcee5c91d3089004cfeb527fce3506cc71c76bc940d9337a1783723b13fa279a60748f7323033ddb6f473c64e16f6128

    • SSDEEP

      6144:IWipWoRl6bpZ6AKr4sh0OmQmKSg6FDleRrX:IWipWoRl6b84j9qSgSQRrX

    • 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