General

  • Target

    JaffaCakes118_548f5ce73f4e42e6912d1ffcc66b50d987e5b6dd90ce63f0c3feb6d68cfe0fbb

  • Size

    234KB

  • Sample

    241230-e63zpaykdl

  • MD5

    8c7a19e279b6a8669251eca874339471

  • SHA1

    130983b4e6961e673c092a78d6c8508cc4106c92

  • SHA256

    548f5ce73f4e42e6912d1ffcc66b50d987e5b6dd90ce63f0c3feb6d68cfe0fbb

  • SHA512

    47e953b9296caf050f2c4e90ca8f2b3bcc4798d0b060a8675c6face0550925c206726da20e8f2c4a97dab87cd35bb65f0ae4e3696ad690b122e856e94172fc0b

  • SSDEEP

    6144:bZRil6yf92g8+IU9XLBuzbgwujigaLwVf:bZRioyf8gxIUlBunnb

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_548f5ce73f4e42e6912d1ffcc66b50d987e5b6dd90ce63f0c3feb6d68cfe0fbb

    • Size

      234KB

    • MD5

      8c7a19e279b6a8669251eca874339471

    • SHA1

      130983b4e6961e673c092a78d6c8508cc4106c92

    • SHA256

      548f5ce73f4e42e6912d1ffcc66b50d987e5b6dd90ce63f0c3feb6d68cfe0fbb

    • SHA512

      47e953b9296caf050f2c4e90ca8f2b3bcc4798d0b060a8675c6face0550925c206726da20e8f2c4a97dab87cd35bb65f0ae4e3696ad690b122e856e94172fc0b

    • SSDEEP

      6144:bZRil6yf92g8+IU9XLBuzbgwujigaLwVf:bZRioyf8gxIUlBunnb

    • 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