General

  • Target

    1180b0c41b2c32e770ae110ca2668a8e4f6e961cc25abac36989eb4cf750bc00N.exe

  • Size

    219KB

  • Sample

    250111-vpbf4stqhw

  • MD5

    4f7ba95b7c8b74d0d1b62314192c5f90

  • SHA1

    076667f044a302714a0b9bbe87c96a2db02ece7b

  • SHA256

    1180b0c41b2c32e770ae110ca2668a8e4f6e961cc25abac36989eb4cf750bc00

  • SHA512

    6f26213119178a2a5962ffa30c18a2cb23a5ae073da9df404a253a58c41b88e4fe6a6fbb0091efb34d04bffb6c99b413e16dfc7d9cbca8b5b1a17bc282f8564b

  • SSDEEP

    3072:hrHIQm9TOcx4AGPmQ2OvWRNqxDJMIeALuIcY3bCl2OVdRUXqHy5kVw+HM:ZHUMPOyJveAao3afQ2VxHM

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      1180b0c41b2c32e770ae110ca2668a8e4f6e961cc25abac36989eb4cf750bc00N.exe

    • Size

      219KB

    • MD5

      4f7ba95b7c8b74d0d1b62314192c5f90

    • SHA1

      076667f044a302714a0b9bbe87c96a2db02ece7b

    • SHA256

      1180b0c41b2c32e770ae110ca2668a8e4f6e961cc25abac36989eb4cf750bc00

    • SHA512

      6f26213119178a2a5962ffa30c18a2cb23a5ae073da9df404a253a58c41b88e4fe6a6fbb0091efb34d04bffb6c99b413e16dfc7d9cbca8b5b1a17bc282f8564b

    • SSDEEP

      3072:hrHIQm9TOcx4AGPmQ2OvWRNqxDJMIeALuIcY3bCl2OVdRUXqHy5kVw+HM:ZHUMPOyJveAao3afQ2VxHM

    • 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