General

  • Target

    JaffaCakes118_17687f6b5a69cbaa84309f9ced25b3731c9fd6f4704abf9291877e6c5e57e899

  • Size

    159KB

  • Sample

    241223-rwlnwasldj

  • MD5

    7272673adb381a42bf168133972442a5

  • SHA1

    d6eaf59359ea2d1bb61877d077c9f9c97422759c

  • SHA256

    17687f6b5a69cbaa84309f9ced25b3731c9fd6f4704abf9291877e6c5e57e899

  • SHA512

    72eee2da5918a2fe52dc72f9a76730379c2fc85d0694ad25efadc588dd7b64f3e7ba8229cd9e78ecfadf5d331a274409b370399afe135aa2d3bf469faf40d6d5

  • SSDEEP

    3072:IK7tyStkBJQXJAkcFjwNMhKNa7hHXSdmrFgotXEwKHbKOOlLlm:IWtkBJQXBco7+INaUHb8l

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_17687f6b5a69cbaa84309f9ced25b3731c9fd6f4704abf9291877e6c5e57e899

    • Size

      159KB

    • MD5

      7272673adb381a42bf168133972442a5

    • SHA1

      d6eaf59359ea2d1bb61877d077c9f9c97422759c

    • SHA256

      17687f6b5a69cbaa84309f9ced25b3731c9fd6f4704abf9291877e6c5e57e899

    • SHA512

      72eee2da5918a2fe52dc72f9a76730379c2fc85d0694ad25efadc588dd7b64f3e7ba8229cd9e78ecfadf5d331a274409b370399afe135aa2d3bf469faf40d6d5

    • SSDEEP

      3072:IK7tyStkBJQXJAkcFjwNMhKNa7hHXSdmrFgotXEwKHbKOOlLlm:IWtkBJQXBco7+INaUHb8l

    • 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