General

  • Target

    da7ec1617ba3cae2a53216bc0c0c9ed03fdc28d553c7b63694bdbe1f7aa7482fN.exe

  • Size

    770KB

  • Sample

    241216-pvrgmazrfz

  • MD5

    b6f1420b5d47f79b3870f04c576f76c0

  • SHA1

    3dbd8a7b7eb149a7a17fdd1170c486d99b2ec073

  • SHA256

    da7ec1617ba3cae2a53216bc0c0c9ed03fdc28d553c7b63694bdbe1f7aa7482f

  • SHA512

    173266439e9f7c505f85bd69c923f700f10b6d8009914a40e7b6dc20776f29987ec1e75cc8b5d4cd8fcc0bc559e8200612e2dfea5344ea80a8efa74074baf1ae

  • SSDEEP

    24576:FsqSroAupL8uSrO4MjyelIgBw+zs1FQW0Y+PHV6GYv:FGD+LzGbiy2IWHQfQBb6GY

Malware Config

Targets

    • Target

      da7ec1617ba3cae2a53216bc0c0c9ed03fdc28d553c7b63694bdbe1f7aa7482fN.exe

    • Size

      770KB

    • MD5

      b6f1420b5d47f79b3870f04c576f76c0

    • SHA1

      3dbd8a7b7eb149a7a17fdd1170c486d99b2ec073

    • SHA256

      da7ec1617ba3cae2a53216bc0c0c9ed03fdc28d553c7b63694bdbe1f7aa7482f

    • SHA512

      173266439e9f7c505f85bd69c923f700f10b6d8009914a40e7b6dc20776f29987ec1e75cc8b5d4cd8fcc0bc559e8200612e2dfea5344ea80a8efa74074baf1ae

    • SSDEEP

      24576:FsqSroAupL8uSrO4MjyelIgBw+zs1FQW0Y+PHV6GYv:FGD+LzGbiy2IWHQfQBb6GY

    • Expiro family

    • Expiro, m0yv

      Expiro aka m0yv is a multi-functional backdoor written in C++.

    • Expiro payload

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Windows security modification

    • Checks installed software on the system

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

    • Drops Chrome extension

    • Enumerates connected drives

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks