General

  • Target

    67a59e4492c6cea8d9cc98294dfe2cf6527da6f38fb66667ddbf22aa786ea047.exe

  • Size

    4.2MB

  • Sample

    241121-ywlr7s1kbl

  • MD5

    8f39a8aa9721bc356ef028cc3aec52f6

  • SHA1

    cc7fe29c172df3fb7507bab549095722c3408ec1

  • SHA256

    67a59e4492c6cea8d9cc98294dfe2cf6527da6f38fb66667ddbf22aa786ea047

  • SHA512

    740d04a82e73ba705515804e438a9282be964ad363170af8c9192c135537f613d47e415d4a68d18d3ce0ec0db22f817a59b9f3c6a54c52b1fe058748ad7748b3

  • SSDEEP

    98304:hGZ16E+n3qlVmxQ+kqUuPIlAUHsyKp21eWsuIbFL/Tlt:h0S6lVv1qdIGMD1eWsuI9lt

Malware Config

Targets

    • Target

      67a59e4492c6cea8d9cc98294dfe2cf6527da6f38fb66667ddbf22aa786ea047.exe

    • Size

      4.2MB

    • MD5

      8f39a8aa9721bc356ef028cc3aec52f6

    • SHA1

      cc7fe29c172df3fb7507bab549095722c3408ec1

    • SHA256

      67a59e4492c6cea8d9cc98294dfe2cf6527da6f38fb66667ddbf22aa786ea047

    • SHA512

      740d04a82e73ba705515804e438a9282be964ad363170af8c9192c135537f613d47e415d4a68d18d3ce0ec0db22f817a59b9f3c6a54c52b1fe058748ad7748b3

    • SSDEEP

      98304:hGZ16E+n3qlVmxQ+kqUuPIlAUHsyKp21eWsuIbFL/Tlt:h0S6lVv1qdIGMD1eWsuI9lt

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Detects CryptBot payload

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks