General

  • Target

    5a249494869b3ef440bd31b438958585.exe

  • Size

    4.3MB

  • Sample

    241227-jgzyyssrft

  • MD5

    5a249494869b3ef440bd31b438958585

  • SHA1

    d3c4cfbca5b8b1d061ac2f55899dfefc49321cff

  • SHA256

    0783ed26022f0e0f99d7e6b72ee2d7d7372c97596249299275cc19db7b10a8c4

  • SHA512

    4e53ada8f3d08d925c67e2019bfb2a8f9f3f3bb9aba0005e91daa792ae3c953d047a1b1b408bc01336a15476546abd8781baa4ff0258c2714ef436c05f221180

  • SSDEEP

    98304:xN0oUxjY0eMGO8d3mrO85fIj4qmmgXVJPD+gq1Ec8jE:xqVE1MNW4q9UD+gWr2

Malware Config

Extracted

Family

cryptbot

Targets

    • Target

      5a249494869b3ef440bd31b438958585.exe

    • Size

      4.3MB

    • MD5

      5a249494869b3ef440bd31b438958585

    • SHA1

      d3c4cfbca5b8b1d061ac2f55899dfefc49321cff

    • SHA256

      0783ed26022f0e0f99d7e6b72ee2d7d7372c97596249299275cc19db7b10a8c4

    • SHA512

      4e53ada8f3d08d925c67e2019bfb2a8f9f3f3bb9aba0005e91daa792ae3c953d047a1b1b408bc01336a15476546abd8781baa4ff0258c2714ef436c05f221180

    • SSDEEP

      98304:xN0oUxjY0eMGO8d3mrO85fIj4qmmgXVJPD+gq1Ec8jE:xqVE1MNW4q9UD+gWr2

    • CryptBot

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

    • Cryptbot family

    • Enumerates VirtualBox registry keys

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

    • Checks BIOS information in registry

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

    • Identifies Wine through registry keys

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

    • 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