General

  • Target

    2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia

  • Size

    13.4MB

  • Sample

    250203-zs89rsvnaq

  • MD5

    4858645e5dfe2b3c29b52ad93c9a0167

  • SHA1

    3a33f59845824f55e75501dcc58fe9db7510bb21

  • SHA256

    03dcd9a4ca3d6cbe61a3cdf5684649233e6036a584ed389739088adf58530998

  • SHA512

    591a17c10b1dd9563f8d0d9372cd3a575196b8f84738a4b0087e78e62f3f704364132e2aeee1bd2fab494ca09b3a131835e369ab3b214edee3f2e6996083d23d

  • SSDEEP

    3072:NLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:QOMdRQr7OB0ypmMXnl8XEPM3noSWOC

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      2025-02-03_4858645e5dfe2b3c29b52ad93c9a0167_mafia

    • Size

      13.4MB

    • MD5

      4858645e5dfe2b3c29b52ad93c9a0167

    • SHA1

      3a33f59845824f55e75501dcc58fe9db7510bb21

    • SHA256

      03dcd9a4ca3d6cbe61a3cdf5684649233e6036a584ed389739088adf58530998

    • SHA512

      591a17c10b1dd9563f8d0d9372cd3a575196b8f84738a4b0087e78e62f3f704364132e2aeee1bd2fab494ca09b3a131835e369ab3b214edee3f2e6996083d23d

    • SSDEEP

      3072:NLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:QOMdRQr7OB0ypmMXnl8XEPM3noSWOC

    • 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