General

  • Target

    JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3

  • Size

    295KB

  • Sample

    241224-ag36yawnaj

  • MD5

    bf217862842c46b8757f366e820a86f0

  • SHA1

    8a0f595178acd3e2ccda4c7d50d18cd76aa8eb2e

  • SHA256

    364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3

  • SHA512

    357b54ce1b33dcaa7df998154cb8c0d0507d23b350428f2377f6c68be05f07af117fa3d4b460f9874da5acee4eb5805d0e58b7ae0faf41af64f348c275a2a02b

  • SSDEEP

    6144:tEPes46o9a0hKGJXjasSXuZet0yy8coHPk85Gm:tG46o9a8JXGsSXuZet0yy8c185z

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3

    • Size

      295KB

    • MD5

      bf217862842c46b8757f366e820a86f0

    • SHA1

      8a0f595178acd3e2ccda4c7d50d18cd76aa8eb2e

    • SHA256

      364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3

    • SHA512

      357b54ce1b33dcaa7df998154cb8c0d0507d23b350428f2377f6c68be05f07af117fa3d4b460f9874da5acee4eb5805d0e58b7ae0faf41af64f348c275a2a02b

    • SSDEEP

      6144:tEPes46o9a0hKGJXjasSXuZet0yy8coHPk85Gm:tG46o9a8JXGsSXuZet0yy8c185z

    • 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