General

  • Target

    b342c98e83fdd7d488222e0ee3e21d06_JaffaCakes118

  • Size

    12.3MB

  • Sample

    240821-nfnlravhkg

  • MD5

    b342c98e83fdd7d488222e0ee3e21d06

  • SHA1

    67ebb921ae56493fe952d39419441ddf12a11c8f

  • SHA256

    33dc4767ea6267431e008a7ab804e1509c74d6a737fbe563bdaa1161d4a2fa80

  • SHA512

    0598bd509d086a518f71921e32599d423d5b050ff3279d47c2af83d4cbccf089ac3ceaa77c7b519570ac600f167266976b3e388280701cdb0af6b9d243b5e72c

  • SSDEEP

    12288:Z6oEnffffffffffffffffffffffffffffffffffffffffffffffffffffffffffX:Z6

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      b342c98e83fdd7d488222e0ee3e21d06_JaffaCakes118

    • Size

      12.3MB

    • MD5

      b342c98e83fdd7d488222e0ee3e21d06

    • SHA1

      67ebb921ae56493fe952d39419441ddf12a11c8f

    • SHA256

      33dc4767ea6267431e008a7ab804e1509c74d6a737fbe563bdaa1161d4a2fa80

    • SHA512

      0598bd509d086a518f71921e32599d423d5b050ff3279d47c2af83d4cbccf089ac3ceaa77c7b519570ac600f167266976b3e388280701cdb0af6b9d243b5e72c

    • SSDEEP

      12288:Z6oEnffffffffffffffffffffffffffffffffffffffffffffffffffffffffffX:Z6

    • 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