General

  • Target

    c310c96a5cef32b79db4a6030427a6d6

  • Size

    13.9MB

  • Sample

    240312-lwjavsdh9s

  • MD5

    c310c96a5cef32b79db4a6030427a6d6

  • SHA1

    d3253c75a57ecb9a705f192230b79f7c107d331a

  • SHA256

    523ff4d764e289bb9e79a014949b2af282bb648f4f80c1e8383fcf55b0cb4195

  • SHA512

    2c4a9bfacaf08cd60c8560e335b82b7261de91350a6123f30242b25363bc728bb6c85bf81d87f193c1bbeed2491e5bd23a53f63a89ea711d435bb58b6d498fc8

  • SSDEEP

    49152:m8KGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGr:m8

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

    • Target

      c310c96a5cef32b79db4a6030427a6d6

    • Size

      13.9MB

    • MD5

      c310c96a5cef32b79db4a6030427a6d6

    • SHA1

      d3253c75a57ecb9a705f192230b79f7c107d331a

    • SHA256

      523ff4d764e289bb9e79a014949b2af282bb648f4f80c1e8383fcf55b0cb4195

    • SHA512

      2c4a9bfacaf08cd60c8560e335b82b7261de91350a6123f30242b25363bc728bb6c85bf81d87f193c1bbeed2491e5bd23a53f63a89ea711d435bb58b6d498fc8

    • SSDEEP

      49152:m8KGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGr:m8

    • 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