General

  • Target

    JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324

  • Size

    137KB

  • Sample

    241229-blakvsxqbr

  • MD5

    c9141000c7976a8b5ede5e5f70da2646

  • SHA1

    2c4256f6be785036cbea30814ac7f796e34e6135

  • SHA256

    16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324

  • SHA512

    7d78918dc943668378443da179c9e38142ce6278c51ca788855159d3aff8e21d9b3dc15236d09630ecd78d8504e3c9fe8def0999ef65fe0795c6790feafd1da2

  • SSDEEP

    1536:cwKKkmoraPfPYCnL25/mWQujQcxnxK0wvnxYAPSk5icrRvd5I5/NcnUihEkUG0wu:3OAWVoUQcGf7Qi/I5/Ncj5U6kZ

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324

    • Size

      137KB

    • MD5

      c9141000c7976a8b5ede5e5f70da2646

    • SHA1

      2c4256f6be785036cbea30814ac7f796e34e6135

    • SHA256

      16c69cdf241061a2871f4b2852c93e1e7fcc02c41f01b03a3a861700ef20f324

    • SHA512

      7d78918dc943668378443da179c9e38142ce6278c51ca788855159d3aff8e21d9b3dc15236d09630ecd78d8504e3c9fe8def0999ef65fe0795c6790feafd1da2

    • SSDEEP

      1536:cwKKkmoraPfPYCnL25/mWQujQcxnxK0wvnxYAPSk5icrRvd5I5/NcnUihEkUG0wu:3OAWVoUQcGf7Qi/I5/Ncj5U6kZ

    • 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