General

  • Target

    JaffaCakes118_ca7622c3853a5ee886d5808b4eea1a7e

  • Size

    10.3MB

  • Sample

    250109-rqwa5atphk

  • MD5

    ca7622c3853a5ee886d5808b4eea1a7e

  • SHA1

    91727c20f51736a8cfca7405cb5ebf257f53243d

  • SHA256

    bf3e87a6467a8aa94b20b0c87eb32114b7249585913ef625d65009f313c247fa

  • SHA512

    5c1c177cabfd7388e06fa9813c250445f678effb56b1ed61ef6ba87070770f31aa9a83c6ec4d68607fbb8df2c4b7ee3fa1f50e8305af66f5812e88aef5e25197

  • SSDEEP

    12288:oZq+cdlGKSEdlGfxl5V/ZAMbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb:ok9dVcl5V/Z

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_ca7622c3853a5ee886d5808b4eea1a7e

    • Size

      10.3MB

    • MD5

      ca7622c3853a5ee886d5808b4eea1a7e

    • SHA1

      91727c20f51736a8cfca7405cb5ebf257f53243d

    • SHA256

      bf3e87a6467a8aa94b20b0c87eb32114b7249585913ef625d65009f313c247fa

    • SHA512

      5c1c177cabfd7388e06fa9813c250445f678effb56b1ed61ef6ba87070770f31aa9a83c6ec4d68607fbb8df2c4b7ee3fa1f50e8305af66f5812e88aef5e25197

    • SSDEEP

      12288:oZq+cdlGKSEdlGfxl5V/ZAMbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb:ok9dVcl5V/Z

    • 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