General

  • Target

    c46243c4eaf3b8d741642f9274fe8e6d

  • Size

    12.2MB

  • Sample

    240312-3gwfbaga74

  • MD5

    c46243c4eaf3b8d741642f9274fe8e6d

  • SHA1

    ebebc51a188c132a14558a369a54c76cc59becf6

  • SHA256

    b575e7085387d6e57085a7ac3f88028d1dafbb1d791797f9380b34e95ab63ab9

  • SHA512

    7f84aefb4f0715cf273fda4bbca5fe17e4e6e89c5f321af506f422fce3a41e8076e7d20290d2807392010078140713e6c42737ac392727aeb0c27c2470189c81

  • SSDEEP

    49152:zlGypVbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbn:zlGyp

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      c46243c4eaf3b8d741642f9274fe8e6d

    • Size

      12.2MB

    • MD5

      c46243c4eaf3b8d741642f9274fe8e6d

    • SHA1

      ebebc51a188c132a14558a369a54c76cc59becf6

    • SHA256

      b575e7085387d6e57085a7ac3f88028d1dafbb1d791797f9380b34e95ab63ab9

    • SHA512

      7f84aefb4f0715cf273fda4bbca5fe17e4e6e89c5f321af506f422fce3a41e8076e7d20290d2807392010078140713e6c42737ac392727aeb0c27c2470189c81

    • SSDEEP

      49152:zlGypVbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbn:zlGyp

    • 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