General

  • Target

    2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader

  • Size

    11.5MB

  • Sample

    250330-la896avye1

  • MD5

    4b33ef6f694d930df29b0f4ab56c6032

  • SHA1

    667b568962798668bbb322b9036f0e414b4f5350

  • SHA256

    78f39346063c30c9acfc8970bad09ecaa63f3efd635b4a5d152efc0499142fa8

  • SHA512

    30b707986fb39038e1209f006f5a9f11459ce9c30b6d3b5b1aa4c6de2d9eca54c2643c6e1a0efdc66e59d60d724f01e3e1004a8cdd27bee6c3070ddb2be731e3

  • SSDEEP

    3072:R/IS72NPLnCwVm85Vuv63c7sVvuFImzMWcdUf87sIHtU18:ySIPuS3c7sSzMZdnQc68

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      2025-03-30_4b33ef6f694d930df29b0f4ab56c6032_amadey_rhadamanthys_smoke-loader

    • Size

      11.5MB

    • MD5

      4b33ef6f694d930df29b0f4ab56c6032

    • SHA1

      667b568962798668bbb322b9036f0e414b4f5350

    • SHA256

      78f39346063c30c9acfc8970bad09ecaa63f3efd635b4a5d152efc0499142fa8

    • SHA512

      30b707986fb39038e1209f006f5a9f11459ce9c30b6d3b5b1aa4c6de2d9eca54c2643c6e1a0efdc66e59d60d724f01e3e1004a8cdd27bee6c3070ddb2be731e3

    • SSDEEP

      3072:R/IS72NPLnCwVm85Vuv63c7sVvuFImzMWcdUf87sIHtU18:ySIPuS3c7sSzMZdnQc68

    • 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