General

  • Target

    4767e376710ac4114a9c3305f472c15d

  • Size

    13.7MB

  • Sample

    240106-24gd8sbdb4

  • MD5

    4767e376710ac4114a9c3305f472c15d

  • SHA1

    c38157a2799b23cb819adafa55deaf4db2ce2f96

  • SHA256

    aab38529a26fd7fc205b84f30492f5e0c34777da64f0bcf19be60008982e5a30

  • SHA512

    b3188bbbe7ed7b155706ebc030be560e6767a448e6b27fb69cae57ce8201477b37558e097265dac2fa739021ea7868f693032ecd39a25d2e33b171d5f5d2c6dd

  • SSDEEP

    24576:yjY+lg48SlJPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP:9HSl

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

    • Target

      4767e376710ac4114a9c3305f472c15d

    • Size

      13.7MB

    • MD5

      4767e376710ac4114a9c3305f472c15d

    • SHA1

      c38157a2799b23cb819adafa55deaf4db2ce2f96

    • SHA256

      aab38529a26fd7fc205b84f30492f5e0c34777da64f0bcf19be60008982e5a30

    • SHA512

      b3188bbbe7ed7b155706ebc030be560e6767a448e6b27fb69cae57ce8201477b37558e097265dac2fa739021ea7868f693032ecd39a25d2e33b171d5f5d2c6dd

    • SSDEEP

      24576:yjY+lg48SlJPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP:9HSl

    • 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