General

  • Target

    JaffaCakes118_bf24720a0ed6ead9c2ec1d776bc48953e9cabc042168376cd09e9a9439f52c86

  • Size

    160KB

  • Sample

    241230-w5he2avrbw

  • MD5

    f8fc9486f54b60f1803e7690a9a2458a

  • SHA1

    c9dd64c456997592297c283ba996410730bf7c7d

  • SHA256

    bf24720a0ed6ead9c2ec1d776bc48953e9cabc042168376cd09e9a9439f52c86

  • SHA512

    5e103634b44ceb7da4966361fed745f2604c37afd76a07631d06a8fd5903c7e58505b963bfb1aaacf24c3b4a57ae48db72cc630912826a52bbff1736bc2e19bb

  • SSDEEP

    3072:oN768L++ZHa/PtPPtMOgPljef9J9NR6vmp1n5Rw7HvON3:y681A/PtXtMHK1JQyJYLv

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_bf24720a0ed6ead9c2ec1d776bc48953e9cabc042168376cd09e9a9439f52c86

    • Size

      160KB

    • MD5

      f8fc9486f54b60f1803e7690a9a2458a

    • SHA1

      c9dd64c456997592297c283ba996410730bf7c7d

    • SHA256

      bf24720a0ed6ead9c2ec1d776bc48953e9cabc042168376cd09e9a9439f52c86

    • SHA512

      5e103634b44ceb7da4966361fed745f2604c37afd76a07631d06a8fd5903c7e58505b963bfb1aaacf24c3b4a57ae48db72cc630912826a52bbff1736bc2e19bb

    • SSDEEP

      3072:oN768L++ZHa/PtPPtMOgPljef9J9NR6vmp1n5Rw7HvON3:y681A/PtXtMHK1JQyJYLv

    • 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