General

  • Target

    d92e9ff83aa1bea9d8934580419e139de0eb37cb6eb9c90b804f70b9b501d416.exe

  • Size

    12.8MB

  • Sample

    241123-yre4vsznbq

  • MD5

    92be29ef290920a9981893a1b0c28551

  • SHA1

    8268a90e5c8860c467fcdac69e9765bac0b61782

  • SHA256

    d92e9ff83aa1bea9d8934580419e139de0eb37cb6eb9c90b804f70b9b501d416

  • SHA512

    f442b05da104a0f01dea2b6da54d2bf8da3b2c5f6c7087a22b026493ac9aeb2fbb62a1dfb545abc95fc0717452bd8b8d62e4742796394c50005380a9f5318e51

  • SSDEEP

    6144:kNvMXNc7x72uNJFeTgkYIvpjkHp2e7z+/uyAmMGwDkqyyyyyyyyyyyyyyyyyyyyj:kNvM9i7fNJFeTgk9BjkHp2Euu1mrk

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      d92e9ff83aa1bea9d8934580419e139de0eb37cb6eb9c90b804f70b9b501d416.exe

    • Size

      12.8MB

    • MD5

      92be29ef290920a9981893a1b0c28551

    • SHA1

      8268a90e5c8860c467fcdac69e9765bac0b61782

    • SHA256

      d92e9ff83aa1bea9d8934580419e139de0eb37cb6eb9c90b804f70b9b501d416

    • SHA512

      f442b05da104a0f01dea2b6da54d2bf8da3b2c5f6c7087a22b026493ac9aeb2fbb62a1dfb545abc95fc0717452bd8b8d62e4742796394c50005380a9f5318e51

    • SSDEEP

      6144:kNvMXNc7x72uNJFeTgkYIvpjkHp2e7z+/uyAmMGwDkqyyyyyyyyyyyyyyyyyyyyj:kNvM9i7fNJFeTgk9BjkHp2Euu1mrk

    • 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