General

  • Target

    2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia

  • Size

    10.7MB

  • Sample

    250207-zv99vaxlhs

  • MD5

    4d7ab05888fe4ab098b37d84928e3af0

  • SHA1

    f39330b43bbc87b42e7c473be5a859f5c36a52f1

  • SHA256

    00c08533d9bfc2d5cc7a582d116732f9f9df32113dc65a4b63660d559b1ae09d

  • SHA512

    37398fceba6e3a3a409fac89e2c484c765feab3b30343c33719fd8f00b961ebdf3a699f297dc200ee4019ba7ee9901d4b55d0724df5f68ff722c3e880d206030

  • SSDEEP

    24576:iEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZz:7fot

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      2025-02-07_4d7ab05888fe4ab098b37d84928e3af0_mafia

    • Size

      10.7MB

    • MD5

      4d7ab05888fe4ab098b37d84928e3af0

    • SHA1

      f39330b43bbc87b42e7c473be5a859f5c36a52f1

    • SHA256

      00c08533d9bfc2d5cc7a582d116732f9f9df32113dc65a4b63660d559b1ae09d

    • SHA512

      37398fceba6e3a3a409fac89e2c484c765feab3b30343c33719fd8f00b961ebdf3a699f297dc200ee4019ba7ee9901d4b55d0724df5f68ff722c3e880d206030

    • SSDEEP

      24576:iEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZz:7fot

    • Tofsee

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

    • Tofsee family

    • Windows security bypass

    • Creates new service(s)

    • Downloads MZ/PE file

    • 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