General

  • Target

    4e3668f0f386e6854c53e3a7ab396c19eea40b7eb7d36cbdce35cafd1dc15c7a

  • Size

    13.3MB

  • Sample

    250106-zcklgaxjc1

  • MD5

    e88821744c45591e4dce49cec3a5f86a

  • SHA1

    6c7f9cd938e3a60563f5ef4aafb889e4fc29fff5

  • SHA256

    4e3668f0f386e6854c53e3a7ab396c19eea40b7eb7d36cbdce35cafd1dc15c7a

  • SHA512

    dbd92c778e4507e80a77e7a285230e3e4d99961df963ac7aa9a38e42deccfe636b7b774b73d8888999518a9edf14de74ab3af343cf6866bcf3131b3e2e09748e

  • SSDEEP

    24576:RCoZopQ3TmLgqkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk/:Msjms

Malware Config

Extracted

Family

tofsee

C2

patmushta.info

ovicrush.cn

Targets

    • Target

      4e3668f0f386e6854c53e3a7ab396c19eea40b7eb7d36cbdce35cafd1dc15c7a

    • Size

      13.3MB

    • MD5

      e88821744c45591e4dce49cec3a5f86a

    • SHA1

      6c7f9cd938e3a60563f5ef4aafb889e4fc29fff5

    • SHA256

      4e3668f0f386e6854c53e3a7ab396c19eea40b7eb7d36cbdce35cafd1dc15c7a

    • SHA512

      dbd92c778e4507e80a77e7a285230e3e4d99961df963ac7aa9a38e42deccfe636b7b774b73d8888999518a9edf14de74ab3af343cf6866bcf3131b3e2e09748e

    • SSDEEP

      24576:RCoZopQ3TmLgqkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk/:Msjms

    • 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