General

  • Target

    14db623bcfca3403b962630d14a09562

  • Size

    10.6MB

  • Sample

    231230-lref4sdgc5

  • MD5

    14db623bcfca3403b962630d14a09562

  • SHA1

    ba07d90e558e096269d34f1acbba7f8069630296

  • SHA256

    5abc8872bfbbfa843fe5e832a67b5b1b5f4cdc871f85f199d41d997394f6e759

  • SHA512

    a3bc843100e6fb7c02a35a5e42968df4a7bd56837393d440252cc423636c1c0e7a8eb59355eeae68b67965e7e2847df98e455ed0173014797016f0c91b819455

  • SSDEEP

    49152:Pjrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrn:v

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      14db623bcfca3403b962630d14a09562

    • Size

      10.6MB

    • MD5

      14db623bcfca3403b962630d14a09562

    • SHA1

      ba07d90e558e096269d34f1acbba7f8069630296

    • SHA256

      5abc8872bfbbfa843fe5e832a67b5b1b5f4cdc871f85f199d41d997394f6e759

    • SHA512

      a3bc843100e6fb7c02a35a5e42968df4a7bd56837393d440252cc423636c1c0e7a8eb59355eeae68b67965e7e2847df98e455ed0173014797016f0c91b819455

    • SSDEEP

      49152:Pjrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrn:v

    • 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