General

  • Target

    2025-02-01_4b43e57843fa80f40d79329c531257dd_mafia

  • Size

    11.7MB

  • Sample

    250201-dztxrstnal

  • MD5

    4b43e57843fa80f40d79329c531257dd

  • SHA1

    2765b8a75a839da5c73b04c48343117e04c4fc83

  • SHA256

    c93420c70f0c8ca7fad76927b1778ff0fb81a7842d92142e7c7b758a5ca3b949

  • SHA512

    6bc7f735ed9d19c39369c9565b7b2c398fc6e6e24dcf986c7591bcbe755fe9fd380a869af664c41419cead83e63dbf2637beebc855b606594adeac43e4553346

  • SSDEEP

    49152:0qE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPz:0qtYc3c

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      2025-02-01_4b43e57843fa80f40d79329c531257dd_mafia

    • Size

      11.7MB

    • MD5

      4b43e57843fa80f40d79329c531257dd

    • SHA1

      2765b8a75a839da5c73b04c48343117e04c4fc83

    • SHA256

      c93420c70f0c8ca7fad76927b1778ff0fb81a7842d92142e7c7b758a5ca3b949

    • SHA512

      6bc7f735ed9d19c39369c9565b7b2c398fc6e6e24dcf986c7591bcbe755fe9fd380a869af664c41419cead83e63dbf2637beebc855b606594adeac43e4553346

    • SSDEEP

      49152:0qE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPz:0qtYc3c

    • 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