Resubmissions

04-09-2022 17:35

220904-v5zhwadgg5 10

General

  • Target

    Restoro.exe

  • Size

    910KB

  • Sample

    220904-v5zhwadgg5

  • MD5

    39fef85fe114d96dde745b8ce0659b2e

  • SHA1

    c30e2b541a5268f731824342dc3c3c02671891d7

  • SHA256

    08333e61156e2ccfd7843a924fb671862fc226c89bf98f20ab95ea6125130ef7

  • SHA512

    b5ecb8f469ed8ea2b351b7333356b15f0c73e3101052aa2dbcda8db00b9eabf94f1523601cab71dadb5ac83581f18c76f43ff704355be96af0a981567b9f6bab

  • SSDEEP

    12288:SEiLRLvq1HB+OP6YyUCRXXzE4tyMgq/q7dps1XG2YZhH30DVUr0JImhySZP9ZerJ:StRLvGTK1RzE4t7D1Y4VUwJ77P4J

Malware Config

Targets

    • Target

      Restoro.exe

    • Size

      910KB

    • MD5

      39fef85fe114d96dde745b8ce0659b2e

    • SHA1

      c30e2b541a5268f731824342dc3c3c02671891d7

    • SHA256

      08333e61156e2ccfd7843a924fb671862fc226c89bf98f20ab95ea6125130ef7

    • SHA512

      b5ecb8f469ed8ea2b351b7333356b15f0c73e3101052aa2dbcda8db00b9eabf94f1523601cab71dadb5ac83581f18c76f43ff704355be96af0a981567b9f6bab

    • SSDEEP

      12288:SEiLRLvq1HB+OP6YyUCRXXzE4tyMgq/q7dps1XG2YZhH30DVUr0JImhySZP9ZerJ:StRLvGTK1RzE4t7D1Y4VUwJ77P4J

    • Modifies system executable filetype association

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Registers COM server for autorun

    • Uses Session Manager for persistence

      Creates Session Manager registry key to run executable early in system boot.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Modifies WinLogon

MITRE ATT&CK Enterprise v6

Tasks