General

  • Target

    JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc

  • Size

    169KB

  • Sample

    241223-3ppbzavpbs

  • MD5

    ef15323425a825ae51b50c25a08a1e97

  • SHA1

    55b2b8dddadaa04c70de4d845b1ed344ebcacb28

  • SHA256

    f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc

  • SHA512

    f87b320591b6f98de12745daa0ca5abe2db8a991ad2e70aa7d74f8380241ed59c61b4d2e1dde9f0105e6068d0d12859d97c8669f84cb40c31aa4b73154cc7dd1

  • SSDEEP

    3072:dINEppMfx/AvY+dRs/WiyvOKoGt/MR+Mc2:KNEppMfx/gLPsqvONAUR+s

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc

    • Size

      169KB

    • MD5

      ef15323425a825ae51b50c25a08a1e97

    • SHA1

      55b2b8dddadaa04c70de4d845b1ed344ebcacb28

    • SHA256

      f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc

    • SHA512

      f87b320591b6f98de12745daa0ca5abe2db8a991ad2e70aa7d74f8380241ed59c61b4d2e1dde9f0105e6068d0d12859d97c8669f84cb40c31aa4b73154cc7dd1

    • SSDEEP

      3072:dINEppMfx/AvY+dRs/WiyvOKoGt/MR+Mc2:KNEppMfx/gLPsqvONAUR+s

    • 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