General

  • Target

    c69e4ce48dbf378920c3a0cc37ebf881307640e541e5b9d502e67ecd14ebf7fc.exe

  • Size

    11.0MB

  • Sample

    241122-l51aqsymdx

  • MD5

    ef3c5015763ab19adfb70ad34cc3aab4

  • SHA1

    78b17d4ecf64b54f8a60bdf831204ceea591e11d

  • SHA256

    c69e4ce48dbf378920c3a0cc37ebf881307640e541e5b9d502e67ecd14ebf7fc

  • SHA512

    eb2989667b3f052805e34022b978d258a740c83985854b5af884288bb36f8cf24564d0164153f778f92877a16c1303d3c360e70dc8128679a0b0dd0ad35e0236

  • SSDEEP

    3072:qrLSAaIXFM9X/WWIyOEfEDQMZWecFKmZv:sNWktyH9VR

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      c69e4ce48dbf378920c3a0cc37ebf881307640e541e5b9d502e67ecd14ebf7fc.exe

    • Size

      11.0MB

    • MD5

      ef3c5015763ab19adfb70ad34cc3aab4

    • SHA1

      78b17d4ecf64b54f8a60bdf831204ceea591e11d

    • SHA256

      c69e4ce48dbf378920c3a0cc37ebf881307640e541e5b9d502e67ecd14ebf7fc

    • SHA512

      eb2989667b3f052805e34022b978d258a740c83985854b5af884288bb36f8cf24564d0164153f778f92877a16c1303d3c360e70dc8128679a0b0dd0ad35e0236

    • SSDEEP

      3072:qrLSAaIXFM9X/WWIyOEfEDQMZWecFKmZv:sNWktyH9VR

    • 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