General

  • Target

    c620a5aa4af7162917d52d8dbb4eadf4

  • Size

    11.9MB

  • Sample

    240313-rzpvpshb79

  • MD5

    c620a5aa4af7162917d52d8dbb4eadf4

  • SHA1

    6cd68b59ff25e271b9616815b0958e319e72d65e

  • SHA256

    5d84eaba99b68adf89955f551cd9c23f02646a8e5ab0474dfdf27e8ce6460798

  • SHA512

    ee5274df7697063b45938225c5158d5401ff16593aa9deb29686be68c39216b41379817be76330325fa84d4b974f49d2931f9349f26b16008b958ee6d3379d87

  • SSDEEP

    98304:7YTPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPv:7

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

    • Target

      c620a5aa4af7162917d52d8dbb4eadf4

    • Size

      11.9MB

    • MD5

      c620a5aa4af7162917d52d8dbb4eadf4

    • SHA1

      6cd68b59ff25e271b9616815b0958e319e72d65e

    • SHA256

      5d84eaba99b68adf89955f551cd9c23f02646a8e5ab0474dfdf27e8ce6460798

    • SHA512

      ee5274df7697063b45938225c5158d5401ff16593aa9deb29686be68c39216b41379817be76330325fa84d4b974f49d2931f9349f26b16008b958ee6d3379d87

    • SSDEEP

      98304:7YTPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPv:7

    • 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