General

  • Target

    5b71eafbe78dfb0cfe34d51e78f4b646.zip

  • Size

    7.4MB

  • Sample

    240831-bq72xsxdrg

  • MD5

    9af60ea54694c9f51a3ede2f95e0cf8e

  • SHA1

    2203aa2c4a04ff230cd340cb7a2422001f69c2b0

  • SHA256

    220cb3d864feefe0bb4828d09886d0669ac33ac7a9969fed38908b8238d1b438

  • SHA512

    46636f7efae0a96e9374b607ca47658f85d42d23e45e559fd367cea7d863f4ceefd9fa812e495e945d43d0e28d3453629ca1c36d7e9a80c21321a08e0559649e

  • SSDEEP

    196608:jnluxWL845wJfwb6ukuWmxLN3mmtHeJI8b7:jwELR5wJfmNLN3m++B7

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      94999d1dacca1ec7527f3aca2dc6d6650d71f32a10d141bda8e86d1680372d32

    • Size

      10.9MB

    • MD5

      5b71eafbe78dfb0cfe34d51e78f4b646

    • SHA1

      4704183ac76b4dfcf6cb8f7f17ec383846ac0b5b

    • SHA256

      94999d1dacca1ec7527f3aca2dc6d6650d71f32a10d141bda8e86d1680372d32

    • SHA512

      c676de991a00ea0c3279bc1a6cdd7a22f84f1ebdd94106b6eac535f1669faf268f291a77c05d814bc7555038f168c379c7c38b872b790b144b779dc643fdaf97

    • SSDEEP

      98304:/C+PPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPn:6

    • 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