General

  • Target

    9b90e99043652fd044759bd26e1a6ef0N

  • Size

    71KB

  • Sample

    240909-z2xx4asdqf

  • MD5

    9b90e99043652fd044759bd26e1a6ef0

  • SHA1

    0b2b1752d9b3efb0778cb5f432b8df0f2d24fec9

  • SHA256

    9771659122d068ceb3bcb1965b659b1d16c9f3afd290e058d5feddb667a475ae

  • SHA512

    d2f7ecc6ebf815ec92a7541d615c51f8127ee62671065e27ac62dd96859ce8e08ebd9f397eb993e3565623253b9e16f09e47be6c07a9b02b40f8594cee554e44

  • SSDEEP

    1536:6kss21VCb7jTxSYgOuzTjFWL9bSpIrUc:61VCbrxSYFuzFFpIo

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      9b90e99043652fd044759bd26e1a6ef0N

    • Size

      71KB

    • MD5

      9b90e99043652fd044759bd26e1a6ef0

    • SHA1

      0b2b1752d9b3efb0778cb5f432b8df0f2d24fec9

    • SHA256

      9771659122d068ceb3bcb1965b659b1d16c9f3afd290e058d5feddb667a475ae

    • SHA512

      d2f7ecc6ebf815ec92a7541d615c51f8127ee62671065e27ac62dd96859ce8e08ebd9f397eb993e3565623253b9e16f09e47be6c07a9b02b40f8594cee554e44

    • SSDEEP

      1536:6kss21VCb7jTxSYgOuzTjFWL9bSpIrUc:61VCbrxSYFuzFFpIo

    • 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