General

  • Target

    JaffaCakes118_b67ceb75930409aee4720c48e97df8d5

  • Size

    10.0MB

  • Sample

    250105-w2l9tatrbm

  • MD5

    b67ceb75930409aee4720c48e97df8d5

  • SHA1

    d6451ff4938f1fe6c19c54ba7eae3427d82747f7

  • SHA256

    746661a0c4d9e790a712434dcc19f56d843dc349241238a648f4eecdcc0ce5bb

  • SHA512

    9947d81cda80366be304b74bb2fca52ef078fb5ca1d0606d7ddc9b86d7723d9511b3ef5453ef65aed22b07c2258465538847fd81581b2e324000099560561475

  • SSDEEP

    49152:urk7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7:u

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      JaffaCakes118_b67ceb75930409aee4720c48e97df8d5

    • Size

      10.0MB

    • MD5

      b67ceb75930409aee4720c48e97df8d5

    • SHA1

      d6451ff4938f1fe6c19c54ba7eae3427d82747f7

    • SHA256

      746661a0c4d9e790a712434dcc19f56d843dc349241238a648f4eecdcc0ce5bb

    • SHA512

      9947d81cda80366be304b74bb2fca52ef078fb5ca1d0606d7ddc9b86d7723d9511b3ef5453ef65aed22b07c2258465538847fd81581b2e324000099560561475

    • SSDEEP

      49152:urk7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7w7:u

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Tofsee family

    • 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