General

  • Target

    29e3f58d8c3c1f3c95010aed136404f3

  • Size

    14.3MB

  • Sample

    231231-f3wlwafbd6

  • MD5

    29e3f58d8c3c1f3c95010aed136404f3

  • SHA1

    167a9e5db7dbbe8a0554f8d92352a177338ec169

  • SHA256

    d57f5e031240fcf3c04f99e246584fc7e157a0f3b20064bf2b911fda008e495e

  • SHA512

    00f59fc1e9219fa144d8a00432a4258e5127f24f97c758fa958a7994e0259b553159d3648834cfe6522d3a5bea75d068bb765d880f187ab063c0bbeb1a11a7a9

  • SSDEEP

    24576:GUqa71YB5DHlommmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmW:GF15

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      29e3f58d8c3c1f3c95010aed136404f3

    • Size

      14.3MB

    • MD5

      29e3f58d8c3c1f3c95010aed136404f3

    • SHA1

      167a9e5db7dbbe8a0554f8d92352a177338ec169

    • SHA256

      d57f5e031240fcf3c04f99e246584fc7e157a0f3b20064bf2b911fda008e495e

    • SHA512

      00f59fc1e9219fa144d8a00432a4258e5127f24f97c758fa958a7994e0259b553159d3648834cfe6522d3a5bea75d068bb765d880f187ab063c0bbeb1a11a7a9

    • SSDEEP

      24576:GUqa71YB5DHlommmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmW:GF15

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • 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