General

  • Target

    a606ca0ac516010ab521e3484dd7837c.exe

  • Size

    11.3MB

  • Sample

    240107-yczvqacgej

  • MD5

    a606ca0ac516010ab521e3484dd7837c

  • SHA1

    98e26bc9dae3218701f5a788826318b723f22d84

  • SHA256

    202b2f9416ae70f383706a92a1ef93bc8439fe52c109bffe386bdec26a2e217a

  • SHA512

    395e422682bd760775a207851f4dbff133b9b81577f47efc482f1997420fee7f154dd451d7874c6480bbeb3f15a40977942b948c4f7efbc69593cde249bf4f92

  • SSDEEP

    98304:CNWUlllllllllllllllllllllllllllllllllllllllllllllllllllllllllllt:YW

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      a606ca0ac516010ab521e3484dd7837c.exe

    • Size

      11.3MB

    • MD5

      a606ca0ac516010ab521e3484dd7837c

    • SHA1

      98e26bc9dae3218701f5a788826318b723f22d84

    • SHA256

      202b2f9416ae70f383706a92a1ef93bc8439fe52c109bffe386bdec26a2e217a

    • SHA512

      395e422682bd760775a207851f4dbff133b9b81577f47efc482f1997420fee7f154dd451d7874c6480bbeb3f15a40977942b948c4f7efbc69593cde249bf4f92

    • SSDEEP

      98304:CNWUlllllllllllllllllllllllllllllllllllllllllllllllllllllllllllt:YW

    • Tofsee

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

    • 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