General

  • Target

    26c90589e776e8813b1565f25e1be69d5dd6ec98dfa9dfcc5c4e9db0493f4f41.exe

  • Size

    12.5MB

  • Sample

    241123-vkmzcaykas

  • MD5

    f5053c329648e5c62b1ecdb93d8eaaef

  • SHA1

    9ffe4ab344356576b7d97f3067ec3cf03c9ab3f4

  • SHA256

    26c90589e776e8813b1565f25e1be69d5dd6ec98dfa9dfcc5c4e9db0493f4f41

  • SHA512

    e3a52d09f1133e380b649dda1d8a7998a4f111b735d5bff3b37028acfab829aaf4fbca5bb237d6c8ca63d3be8c2fadaa7e7a687e513dccbbf146af261cd351fc

  • SSDEEP

    49152:ZvUWkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkQ:Z5

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      26c90589e776e8813b1565f25e1be69d5dd6ec98dfa9dfcc5c4e9db0493f4f41.exe

    • Size

      12.5MB

    • MD5

      f5053c329648e5c62b1ecdb93d8eaaef

    • SHA1

      9ffe4ab344356576b7d97f3067ec3cf03c9ab3f4

    • SHA256

      26c90589e776e8813b1565f25e1be69d5dd6ec98dfa9dfcc5c4e9db0493f4f41

    • SHA512

      e3a52d09f1133e380b649dda1d8a7998a4f111b735d5bff3b37028acfab829aaf4fbca5bb237d6c8ca63d3be8c2fadaa7e7a687e513dccbbf146af261cd351fc

    • SSDEEP

      49152:ZvUWkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkQ:Z5

    • 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