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General

  • Target

    5a07cc8e36f22b398224b6685f28475b

  • Size

    13.2MB

  • Sample

    240114-cvw1wsaddl

  • MD5

    5a07cc8e36f22b398224b6685f28475b

  • SHA1

    10dba11f9e2080f7bc2fb2da7a768eb9a4bde53f

  • SHA256

    81c24a66dbb0f2f3c18d2d88f300fb0c93915af3f2f908b4659665a344d92a36

  • SHA512

    1a1fa5ff1c2ea6d9caeee53d605d9c905ab2960a2238a7d8c89f45ea1f67cb85f83fcbb956bfbf8859e5fff6fff49b85b55c252c30c307e1a0639484f7878a92

  • SSDEEP

    49152:rGvEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEn:rG

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

    • Target

      5a07cc8e36f22b398224b6685f28475b

    • Size

      13.2MB

    • MD5

      5a07cc8e36f22b398224b6685f28475b

    • SHA1

      10dba11f9e2080f7bc2fb2da7a768eb9a4bde53f

    • SHA256

      81c24a66dbb0f2f3c18d2d88f300fb0c93915af3f2f908b4659665a344d92a36

    • SHA512

      1a1fa5ff1c2ea6d9caeee53d605d9c905ab2960a2238a7d8c89f45ea1f67cb85f83fcbb956bfbf8859e5fff6fff49b85b55c252c30c307e1a0639484f7878a92

    • SSDEEP

      49152:rGvEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEn:rG

    • 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