General

  • Target

    ac538cf5b52c128b6ad559657a46b616

  • Size

    10.6MB

  • Sample

    240228-txecasgc2s

  • MD5

    ac538cf5b52c128b6ad559657a46b616

  • SHA1

    1e3b2df0691d7d6101ff6f1d4274065a7a81abdc

  • SHA256

    5de22bc9a10bd52e384b3ecdc33da15eb80eab20b49b435bdd68a2d7b35ed6e1

  • SHA512

    74ab230724f3fdcdc1f41568df8635442e2aa107093a00bba192730a9fd29881fc2d56332d9e993b8bc413d8233eccd0e69dbc3aab294772d4407f6e10c04311

  • SSDEEP

    6144:x0Hy78o96o4bl3rmMtSqAiqNkPX6KVkdf12ISxMSreP6AtFawMjjjjjjjjjjjjjn:8I8ogXbl3rIqh6Bf1f4MWRWkw

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      ac538cf5b52c128b6ad559657a46b616

    • Size

      10.6MB

    • MD5

      ac538cf5b52c128b6ad559657a46b616

    • SHA1

      1e3b2df0691d7d6101ff6f1d4274065a7a81abdc

    • SHA256

      5de22bc9a10bd52e384b3ecdc33da15eb80eab20b49b435bdd68a2d7b35ed6e1

    • SHA512

      74ab230724f3fdcdc1f41568df8635442e2aa107093a00bba192730a9fd29881fc2d56332d9e993b8bc413d8233eccd0e69dbc3aab294772d4407f6e10c04311

    • SSDEEP

      6144:x0Hy78o96o4bl3rmMtSqAiqNkPX6KVkdf12ISxMSreP6AtFawMjjjjjjjjjjjjjn:8I8ogXbl3rIqh6Bf1f4MWRWkw

    • 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