General

  • Target

    22fb4c623834ad8a3f602da708000647

  • Size

    10.0MB

  • Sample

    231231-bzgakaefdk

  • MD5

    22fb4c623834ad8a3f602da708000647

  • SHA1

    7386485a6086bf06ee7df34f6aa9c19a564749cf

  • SHA256

    508c827bc2401fa6a6b3ab11c6c151709b719df4f148edebee8aa1483d367f42

  • SHA512

    454f20708a71da5c851016c27600f55eb26192199cb312957dc33848fb13a5ec02ce67f9bfc2064785a800e2e0715e7cfa9cab262fd0142c6a0661bd2893b444

  • SSDEEP

    98304:I2UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU0:I

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      22fb4c623834ad8a3f602da708000647

    • Size

      10.0MB

    • MD5

      22fb4c623834ad8a3f602da708000647

    • SHA1

      7386485a6086bf06ee7df34f6aa9c19a564749cf

    • SHA256

      508c827bc2401fa6a6b3ab11c6c151709b719df4f148edebee8aa1483d367f42

    • SHA512

      454f20708a71da5c851016c27600f55eb26192199cb312957dc33848fb13a5ec02ce67f9bfc2064785a800e2e0715e7cfa9cab262fd0142c6a0661bd2893b444

    • SSDEEP

      98304:I2UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU0:I

    • 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