General

  • Target

    bf287ab183c3ca2038a1a683c75aa0942a0dfdd760e184b25d506d7d48614d7a.exe

  • Size

    11.9MB

  • Sample

    241123-112qbsypht

  • MD5

    94ddf26483c2d2314510988223e8a8f3

  • SHA1

    e1307d39c80be583ff7fbefd99bbc6c6f41ef44a

  • SHA256

    bf287ab183c3ca2038a1a683c75aa0942a0dfdd760e184b25d506d7d48614d7a

  • SHA512

    3167dee1764a4840b70fa30d51fdc4283cfe5c7c1a84c5560e2b0e59f2b349791b681369e9047733a51a76cd2e1a28a01c540e2c71ea54279b2f6bb9950473c7

  • SSDEEP

    49152:tkHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHV:K

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      bf287ab183c3ca2038a1a683c75aa0942a0dfdd760e184b25d506d7d48614d7a.exe

    • Size

      11.9MB

    • MD5

      94ddf26483c2d2314510988223e8a8f3

    • SHA1

      e1307d39c80be583ff7fbefd99bbc6c6f41ef44a

    • SHA256

      bf287ab183c3ca2038a1a683c75aa0942a0dfdd760e184b25d506d7d48614d7a

    • SHA512

      3167dee1764a4840b70fa30d51fdc4283cfe5c7c1a84c5560e2b0e59f2b349791b681369e9047733a51a76cd2e1a28a01c540e2c71ea54279b2f6bb9950473c7

    • SSDEEP

      49152:tkHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHV:K

    • 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