General

  • Target

    ea6b8a444ac84e9af4e879ce16c37ff2.zip

  • Size

    166KB

  • Sample

    240903-t53d4a1drj

  • MD5

    731d2c442b2cf6fc3a0fe5bff044101e

  • SHA1

    804be880d03e1bca3b3042c871e6d5f6c582ac3d

  • SHA256

    1cbd032c682019b00f4590817698d2ddab40edde6c0a6704fac2856938252ea4

  • SHA512

    6c0454b56a7232f25308f78af942fd8ac2e94d31f7ca0bf237ebd421130d3e8892ac32fc62fcd587ff732145bd37937c487513fa8ac89b793e9eff11f815ae12

  • SSDEEP

    3072:DzoeifY3J88f+UlFQFv2+XRzD2yV3dAlKktuyHLA6OeV+JGpo9yaidIhl:DzN1JZW0se+XZi1lKktuyrALeP8y+l

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      25b5562d7367c5d6b3ba1e972f7dc163d8a420f828f517f6f7d12eb0ba503605

    • Size

      14.7MB

    • MD5

      ea6b8a444ac84e9af4e879ce16c37ff2

    • SHA1

      8aa368fbb8702c4e23e0ea8066efb4b4f6ab93c0

    • SHA256

      25b5562d7367c5d6b3ba1e972f7dc163d8a420f828f517f6f7d12eb0ba503605

    • SHA512

      dff566b5e453b332388c0657de12cec1d0da88dd48542825e8bb3ee340176b91bc662451a622349e16d1b20f0eb1b23d7681185d9e6556e790f5b6c975d1fd48

    • SSDEEP

      12288:iz+wSUpBMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMU:iz8

    • 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