General

  • Target

    6c2b21f0366b3942ae23d428155856a3deedccf6dcd00f3e27652a625455367d.exe

  • Size

    13.9MB

  • Sample

    240909-sefa7sthpl

  • MD5

    38497df5caa858a3e65f3946bb0e28bf

  • SHA1

    2446e498831b099bc15c37c295387e1c049fc702

  • SHA256

    6c2b21f0366b3942ae23d428155856a3deedccf6dcd00f3e27652a625455367d

  • SHA512

    a172f7b7b005a72069cab497a0b3dfb79badf1b899e990c959eb0b830db4a91250c137e8e5fdf74920ca59a2ede93de39a7f85b774fe7342c1f228ab4b15bf86

  • SSDEEP

    12288:KzpKS0FRvqPKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKn:oMS

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      6c2b21f0366b3942ae23d428155856a3deedccf6dcd00f3e27652a625455367d.exe

    • Size

      13.9MB

    • MD5

      38497df5caa858a3e65f3946bb0e28bf

    • SHA1

      2446e498831b099bc15c37c295387e1c049fc702

    • SHA256

      6c2b21f0366b3942ae23d428155856a3deedccf6dcd00f3e27652a625455367d

    • SHA512

      a172f7b7b005a72069cab497a0b3dfb79badf1b899e990c959eb0b830db4a91250c137e8e5fdf74920ca59a2ede93de39a7f85b774fe7342c1f228ab4b15bf86

    • SSDEEP

      12288:KzpKS0FRvqPKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKn:oMS

    • 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