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General

  • Target

    2025-02-12_3f40b43a6f34a4c1e3c7c0e82a0f01bf_mafia

  • Size

    11.2MB

  • Sample

    250212-y5eegsxmel

  • MD5

    3f40b43a6f34a4c1e3c7c0e82a0f01bf

  • SHA1

    ce7621d238145db55ab052550e4b0e206fb770ae

  • SHA256

    df9274a5d24f3da8be705766865bc91f8dea15a89bf77e9bd95df0f309e0923e

  • SHA512

    11a48693a1a5e861c98d6d1c2429f041b0d4356683affbfcc62924a847849143813b9caeef11a3f16bc2a1b9d7774a005330bedabadf7702a41b4fd9cefc6ad1

  • SSDEEP

    24576:kEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZr:BfotJ

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      2025-02-12_3f40b43a6f34a4c1e3c7c0e82a0f01bf_mafia

    • Size

      11.2MB

    • MD5

      3f40b43a6f34a4c1e3c7c0e82a0f01bf

    • SHA1

      ce7621d238145db55ab052550e4b0e206fb770ae

    • SHA256

      df9274a5d24f3da8be705766865bc91f8dea15a89bf77e9bd95df0f309e0923e

    • SHA512

      11a48693a1a5e861c98d6d1c2429f041b0d4356683affbfcc62924a847849143813b9caeef11a3f16bc2a1b9d7774a005330bedabadf7702a41b4fd9cefc6ad1

    • SSDEEP

      24576:kEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZr:BfotJ

    • 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