General

  • Target

    c345cfdef55b5dfc5f018d9185c0df95

  • Size

    11.6MB

  • Sample

    240312-nt2ersfh71

  • MD5

    c345cfdef55b5dfc5f018d9185c0df95

  • SHA1

    4b320f6d7c938e052861d228316b04ff7e5ec0e1

  • SHA256

    aa9686103ee43233afc8b4cde68a253ca5edb369cc73d4f2df6d67855e3dae9b

  • SHA512

    b6503817a6c969357551367a7d96d57cb2256cfc8c6062f44cfa9fbf8fb94ef8ecfd360290a9df74998ebd462ef7026fa562764a260a5bc5fdcdf456749bfca4

  • SSDEEP

    12288:jbSqfhaFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFf1:jvfh

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      c345cfdef55b5dfc5f018d9185c0df95

    • Size

      11.6MB

    • MD5

      c345cfdef55b5dfc5f018d9185c0df95

    • SHA1

      4b320f6d7c938e052861d228316b04ff7e5ec0e1

    • SHA256

      aa9686103ee43233afc8b4cde68a253ca5edb369cc73d4f2df6d67855e3dae9b

    • SHA512

      b6503817a6c969357551367a7d96d57cb2256cfc8c6062f44cfa9fbf8fb94ef8ecfd360290a9df74998ebd462ef7026fa562764a260a5bc5fdcdf456749bfca4

    • SSDEEP

      12288:jbSqfhaFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFf1:jvfh

    • 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