General

  • Target

    38def560af5324e1af1271e134d29a74

  • Size

    10.4MB

  • Sample

    231231-q8849sghfr

  • MD5

    38def560af5324e1af1271e134d29a74

  • SHA1

    6089a2dda011560608d1bbd9905bfcef65bcd541

  • SHA256

    990c39c5f0cc02547bf655953e392ca71ea4e12b3af690f71c53480fd85f06fa

  • SHA512

    8f9be512f94caab6795c20a1582d7340571826d26a802bff3e7f1e8f8f3bbf5cc604b5627eff02ff236e8118fdea55766f3aa84adc0a9d15118eab3bfe13ee96

  • SSDEEP

    24576:qjDuKnh7YzbKBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBH:qnh

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      38def560af5324e1af1271e134d29a74

    • Size

      10.4MB

    • MD5

      38def560af5324e1af1271e134d29a74

    • SHA1

      6089a2dda011560608d1bbd9905bfcef65bcd541

    • SHA256

      990c39c5f0cc02547bf655953e392ca71ea4e12b3af690f71c53480fd85f06fa

    • SHA512

      8f9be512f94caab6795c20a1582d7340571826d26a802bff3e7f1e8f8f3bbf5cc604b5627eff02ff236e8118fdea55766f3aa84adc0a9d15118eab3bfe13ee96

    • SSDEEP

      24576:qjDuKnh7YzbKBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBH:qnh

    • Tofsee

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

    • 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