General

  • Target

    JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020

  • Size

    238KB

  • Sample

    241225-rxs5cavnhs

  • MD5

    7ac48fea930450a7921154d8fce9af73

  • SHA1

    7d5d237614902b12e9284a268cfec555ddce2c91

  • SHA256

    71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020

  • SHA512

    2aeba3519f28465b0b771e60f8dd786d37fb556810d92f0a15f38990aa597d24d7b93a0ad87e6cb700a84f2d587e369f94d016b788d570ee689ffce2ae4bca50

  • SSDEEP

    6144:9X2ED6j2XfHNWY2CAhgfzoup0x17ITsq7igavwVf:9X246iXQzbGfcupk79

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020

    • Size

      238KB

    • MD5

      7ac48fea930450a7921154d8fce9af73

    • SHA1

      7d5d237614902b12e9284a268cfec555ddce2c91

    • SHA256

      71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020

    • SHA512

      2aeba3519f28465b0b771e60f8dd786d37fb556810d92f0a15f38990aa597d24d7b93a0ad87e6cb700a84f2d587e369f94d016b788d570ee689ffce2ae4bca50

    • SSDEEP

      6144:9X2ED6j2XfHNWY2CAhgfzoup0x17ITsq7igavwVf:9X246iXQzbGfcupk79

    • 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