General

  • Target

    JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3

  • Size

    15.0MB

  • Sample

    250101-df56paskhs

  • MD5

    44aff61225dc93f5a33a145a34b1f6e3

  • SHA1

    54fac1b15397d5bba2eedd6ba52f67f6a9ff8f7c

  • SHA256

    94fcc1fdb0ae7b98b9cd743cc107e8b7cfe7acc2ee8332f8422753d1d8907dba

  • SHA512

    9273a73af5944438ee9256ad8d1a6de06eab470613df248c84322f8b58916a895ad364323f996b06f5597a0b46da343306b540f6acac5fef0c4d96139e0f2992

  • SSDEEP

    3072:baS38GobyuzWzZOOUzjxrQGoLYs4ztTuG0AywlGuupORqJVOB2jLE5zfcLlJXSMZ:WSsfbyuRzZQn0Fzt28q+ZULfi

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_44aff61225dc93f5a33a145a34b1f6e3

    • Size

      15.0MB

    • MD5

      44aff61225dc93f5a33a145a34b1f6e3

    • SHA1

      54fac1b15397d5bba2eedd6ba52f67f6a9ff8f7c

    • SHA256

      94fcc1fdb0ae7b98b9cd743cc107e8b7cfe7acc2ee8332f8422753d1d8907dba

    • SHA512

      9273a73af5944438ee9256ad8d1a6de06eab470613df248c84322f8b58916a895ad364323f996b06f5597a0b46da343306b540f6acac5fef0c4d96139e0f2992

    • SSDEEP

      3072:baS38GobyuzWzZOOUzjxrQGoLYs4ztTuG0AywlGuupORqJVOB2jLE5zfcLlJXSMZ:WSsfbyuRzZQn0Fzt28q+ZULfi

    • 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