General

  • Target

    JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc

  • Size

    284KB

  • Sample

    241229-khsrpsxnes

  • MD5

    52cd68a1d3f07bc8244da2ad26d4b0e0

  • SHA1

    5d5e8d9a50e0041c93a8f78c83a458efeae28b1c

  • SHA256

    3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc

  • SHA512

    99dc2024a47425a90dae24728bc3e11e4bd3809997cd00020419036559c80b7214384b0243233516fae2ef69bdf41a72c346f3d061740b7dbf2536fe19f147c4

  • SSDEEP

    3072:+u4V4SIVHGyIfEjIO1/s3Rd0qJVBF9S20kew9SyZ/3JWwhGmt/pyROVczwRjH/So:T4VjcAfEz1/sBdJdv7WYZtByggwRr

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc

    • Size

      284KB

    • MD5

      52cd68a1d3f07bc8244da2ad26d4b0e0

    • SHA1

      5d5e8d9a50e0041c93a8f78c83a458efeae28b1c

    • SHA256

      3d7c6df1f597bfcda40600bba0284503e1c73e11f0a20a762d3d1d667f24fdcc

    • SHA512

      99dc2024a47425a90dae24728bc3e11e4bd3809997cd00020419036559c80b7214384b0243233516fae2ef69bdf41a72c346f3d061740b7dbf2536fe19f147c4

    • SSDEEP

      3072:+u4V4SIVHGyIfEjIO1/s3Rd0qJVBF9S20kew9SyZ/3JWwhGmt/pyROVczwRjH/So:T4VjcAfEz1/sBdJdv7WYZtByggwRr

    • 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