General

  • Target

    751d870aa39047bca3a7e6cca0e11303

  • Size

    11.4MB

  • Sample

    240125-v8bwzscgdr

  • MD5

    751d870aa39047bca3a7e6cca0e11303

  • SHA1

    6220cacde3e1f98a5a1813ae7324ba951bcbe895

  • SHA256

    47ce762a85469542401e2cdede7e409f236cca6d8c2f77337bdc31a31ad9f6c8

  • SHA512

    5e553ba1c774731d30a79f406a9f21a6a7af393ac7a7cdc0598e4e672ebb4b9b88f716a9ecef86252aaa615df256ba37f874bf7f2eb6c2413be9b45a8e54a487

  • SSDEEP

    12288:hTAazcHzcHzcHzcHzcHzcHzcHzcHzcHzcHzcHzcHzcHzcHzcHzcHzcHzcHzcHzcn:9

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      751d870aa39047bca3a7e6cca0e11303

    • Size

      11.4MB

    • MD5

      751d870aa39047bca3a7e6cca0e11303

    • SHA1

      6220cacde3e1f98a5a1813ae7324ba951bcbe895

    • SHA256

      47ce762a85469542401e2cdede7e409f236cca6d8c2f77337bdc31a31ad9f6c8

    • SHA512

      5e553ba1c774731d30a79f406a9f21a6a7af393ac7a7cdc0598e4e672ebb4b9b88f716a9ecef86252aaa615df256ba37f874bf7f2eb6c2413be9b45a8e54a487

    • SSDEEP

      12288:hTAazcHzcHzcHzcHzcHzcHzcHzcHzcHzcHzcHzcHzcHzcHzcHzcHzcHzcHzcHzcn:9

    • Kinsing

      Kinsing is a loader written in Golang.

    • 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