General

  • Target

    7e01e488c93d766a58b2b7d7f579dd3f

  • Size

    11.9MB

  • Sample

    240128-zyxsxsbgfj

  • MD5

    7e01e488c93d766a58b2b7d7f579dd3f

  • SHA1

    eeffcf7346947bf914e1b599ba8b137668e832f0

  • SHA256

    3d5fb8acee39bc003bba08f4dfdbfe0708a8672876e965d4c224947a451471e1

  • SHA512

    1b7bb22372cc60a8a55c9241d660d2ece1c01379a21b44e32a55121d7b5ad20857a3be5bdd7ba65aa675b7c40e09dfe1edc8bd7026d2f84182054e8d31509ad1

  • SSDEEP

    24576:9jY+lg48SlJPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPH:oHSl

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

    • Target

      7e01e488c93d766a58b2b7d7f579dd3f

    • Size

      11.9MB

    • MD5

      7e01e488c93d766a58b2b7d7f579dd3f

    • SHA1

      eeffcf7346947bf914e1b599ba8b137668e832f0

    • SHA256

      3d5fb8acee39bc003bba08f4dfdbfe0708a8672876e965d4c224947a451471e1

    • SHA512

      1b7bb22372cc60a8a55c9241d660d2ece1c01379a21b44e32a55121d7b5ad20857a3be5bdd7ba65aa675b7c40e09dfe1edc8bd7026d2f84182054e8d31509ad1

    • SSDEEP

      24576:9jY+lg48SlJPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPH:oHSl

    • 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