General

  • Target

    2f9c9ce20410a27d2b9c6b75821899812daf14d07aa20b877c661cee71beb749.exe

  • Size

    14.1MB

  • Sample

    250128-glpmnszlaq

  • MD5

    a707de5d5c4e2813b31ab8cfa03e2b09

  • SHA1

    56f59963bde1d6f1ea8f3f1349f1b4855728c1c0

  • SHA256

    2f9c9ce20410a27d2b9c6b75821899812daf14d07aa20b877c661cee71beb749

  • SHA512

    2c5eb637d20c92f02621b2e16dd15fa38db91467a1a76cf381ff04ef6bd05a41931dac298cb92b5e7eefb453f6ded8a5d363082cb8ba5e57adffbcdc4bc40860

  • SSDEEP

    3072:aMFPx8ZeNPqKsjN2VqfrHJpx5uXvw9oXU6L3w4WtWtWtWtWtWtWtWtWtWtWtWtWw:a06ZeNi5jNAqjHJpx5OI9oXjL

Malware Config

Extracted

Family

tofsee

C2

vanaheim.cn

jotunheim.name

Targets

    • Target

      2f9c9ce20410a27d2b9c6b75821899812daf14d07aa20b877c661cee71beb749.exe

    • Size

      14.1MB

    • MD5

      a707de5d5c4e2813b31ab8cfa03e2b09

    • SHA1

      56f59963bde1d6f1ea8f3f1349f1b4855728c1c0

    • SHA256

      2f9c9ce20410a27d2b9c6b75821899812daf14d07aa20b877c661cee71beb749

    • SHA512

      2c5eb637d20c92f02621b2e16dd15fa38db91467a1a76cf381ff04ef6bd05a41931dac298cb92b5e7eefb453f6ded8a5d363082cb8ba5e57adffbcdc4bc40860

    • SSDEEP

      3072:aMFPx8ZeNPqKsjN2VqfrHJpx5uXvw9oXU6L3w4WtWtWtWtWtWtWtWtWtWtWtWtWw:a06ZeNi5jNAqjHJpx5OI9oXjL

    • 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