General

  • Target

    11c85c397fc61144cff2e684f328497b

  • Size

    11.6MB

  • Sample

    231219-ncr5rsaegp

  • MD5

    11c85c397fc61144cff2e684f328497b

  • SHA1

    ebe28815654d4d7004b8dca046428cb3980c95c4

  • SHA256

    6631a4c0948b4608115ad6724b8fe5ae5c71ac5fbb6c03e140b653d6dd7cc3d0

  • SHA512

    2840743df73433e18bef638f753c142c030dda5b5a4bde3cddacd69ab09b99396f24ad479e40ed7f91994acc381cfb479065ff69a20c4fea319f23f93ac19c0b

  • SSDEEP

    196608:NtPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP3:N

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      11c85c397fc61144cff2e684f328497b

    • Size

      11.6MB

    • MD5

      11c85c397fc61144cff2e684f328497b

    • SHA1

      ebe28815654d4d7004b8dca046428cb3980c95c4

    • SHA256

      6631a4c0948b4608115ad6724b8fe5ae5c71ac5fbb6c03e140b653d6dd7cc3d0

    • SHA512

      2840743df73433e18bef638f753c142c030dda5b5a4bde3cddacd69ab09b99396f24ad479e40ed7f91994acc381cfb479065ff69a20c4fea319f23f93ac19c0b

    • SSDEEP

      196608:NtPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP3:N

    • 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