General

  • Target

    fcf25c18735685029b0faef2d1cb7850_JaffaCakes118

  • Size

    11.8MB

  • Sample

    240420-rl6lasba7v

  • MD5

    fcf25c18735685029b0faef2d1cb7850

  • SHA1

    71258bc2fe3f91053a9b5756bfe3d94a64196f0d

  • SHA256

    5e3b2944312061327384f31234128bb4ddba910790f8a529f10b40de4330446d

  • SHA512

    13cd2d5029bb63b1fd19f0ef79fa2de728fe2e55d6ce76ed8337d0be7c868f0c29edffbe8b9c6cbd25c604a41d9b0e22b27466bb94ffd1a24f0e9c14514a9415

  • SSDEEP

    49152:CGvEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE:CG

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

    • Target

      fcf25c18735685029b0faef2d1cb7850_JaffaCakes118

    • Size

      11.8MB

    • MD5

      fcf25c18735685029b0faef2d1cb7850

    • SHA1

      71258bc2fe3f91053a9b5756bfe3d94a64196f0d

    • SHA256

      5e3b2944312061327384f31234128bb4ddba910790f8a529f10b40de4330446d

    • SHA512

      13cd2d5029bb63b1fd19f0ef79fa2de728fe2e55d6ce76ed8337d0be7c868f0c29edffbe8b9c6cbd25c604a41d9b0e22b27466bb94ffd1a24f0e9c14514a9415

    • SSDEEP

      49152:CGvEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE:CG

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • 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