General

  • Target

    JaffaCakes118_198cac834f2035248a9e788928666e62789cc92e396c8fe57efb539adce8db12

  • Size

    285KB

  • Sample

    241226-terjxazkdw

  • MD5

    7054f61d1e5508cd336cc4651f736acf

  • SHA1

    3e21556cb84c067fe7c79abe3ef4bbd9fea335d0

  • SHA256

    198cac834f2035248a9e788928666e62789cc92e396c8fe57efb539adce8db12

  • SHA512

    42eeefacf1854770ddc4f76292c233009e15cc0d42d984e4f1bc7fe763a790b8b2483a8c6fbefdfab49d957c453bf55d2ddf080533b8a01cb68ba8050545a1c1

  • SSDEEP

    6144:2KFbjVUyrQk3RMPrCpcaJlkHuzbgwu6L7ITsqSigaTwVf:xbjKQB3SMaHunnn7s

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_198cac834f2035248a9e788928666e62789cc92e396c8fe57efb539adce8db12

    • Size

      285KB

    • MD5

      7054f61d1e5508cd336cc4651f736acf

    • SHA1

      3e21556cb84c067fe7c79abe3ef4bbd9fea335d0

    • SHA256

      198cac834f2035248a9e788928666e62789cc92e396c8fe57efb539adce8db12

    • SHA512

      42eeefacf1854770ddc4f76292c233009e15cc0d42d984e4f1bc7fe763a790b8b2483a8c6fbefdfab49d957c453bf55d2ddf080533b8a01cb68ba8050545a1c1

    • SSDEEP

      6144:2KFbjVUyrQk3RMPrCpcaJlkHuzbgwu6L7ITsqSigaTwVf:xbjKQB3SMaHunnn7s

    • 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