General

  • Target

    dd0e6d40cf786a8bb6dc0414200042c3

  • Size

    10.6MB

  • Sample

    240325-dbg83ahb3t

  • MD5

    dd0e6d40cf786a8bb6dc0414200042c3

  • SHA1

    ac20de2fdb14a920d8ca30a9e0e8719482e8bf9e

  • SHA256

    b86fb7319fb8c65afb1913589b0021ecbc7f5915794b4fbf38f8530a168d43ce

  • SHA512

    3a79d5aa91a380aac473d3cca46bf69de52d7afec9ef5cafeb3067a1e22c3e2247ee157398ae3ca3b3d962fa5867bebc18c4433ecd06c2faabc073f0c3344830

  • SSDEEP

    24576:sUqa71YB5DHlommmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmX:sF15

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      dd0e6d40cf786a8bb6dc0414200042c3

    • Size

      10.6MB

    • MD5

      dd0e6d40cf786a8bb6dc0414200042c3

    • SHA1

      ac20de2fdb14a920d8ca30a9e0e8719482e8bf9e

    • SHA256

      b86fb7319fb8c65afb1913589b0021ecbc7f5915794b4fbf38f8530a168d43ce

    • SHA512

      3a79d5aa91a380aac473d3cca46bf69de52d7afec9ef5cafeb3067a1e22c3e2247ee157398ae3ca3b3d962fa5867bebc18c4433ecd06c2faabc073f0c3344830

    • SSDEEP

      24576:sUqa71YB5DHlommmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmX:sF15

    • 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