General

  • Target

    bbdacfb055cd9a8e21959643be78b43f_JaffaCakes118

  • Size

    11.2MB

  • Sample

    240823-qdjwwsvhpg

  • MD5

    bbdacfb055cd9a8e21959643be78b43f

  • SHA1

    05fabb2d2299e9741c3c86c7ddf1ae95f31fecb8

  • SHA256

    797808465480def87e2d18fc4a86b69ab31d19f5c87a6d8b1add7d72902e83ce

  • SHA512

    b0a191e1e12dc9807d6666a5f56c2a08eb22f06002e8d3927df41e2535f0c6da8b62ed1a8d26fe718ae000dbb35571c01d8b6094ba261b2f1b3eba184e127473

  • SSDEEP

    196608:nsvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvn:n

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      bbdacfb055cd9a8e21959643be78b43f_JaffaCakes118

    • Size

      11.2MB

    • MD5

      bbdacfb055cd9a8e21959643be78b43f

    • SHA1

      05fabb2d2299e9741c3c86c7ddf1ae95f31fecb8

    • SHA256

      797808465480def87e2d18fc4a86b69ab31d19f5c87a6d8b1add7d72902e83ce

    • SHA512

      b0a191e1e12dc9807d6666a5f56c2a08eb22f06002e8d3927df41e2535f0c6da8b62ed1a8d26fe718ae000dbb35571c01d8b6094ba261b2f1b3eba184e127473

    • SSDEEP

      196608:nsvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvn:n

    • 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