General

  • Target

    4f1587e3998b79e7f9bb6248e401da9e89922ee19f520d5cfff3bae1516ca19d.exe

  • Size

    4.3MB

  • Sample

    241224-d95f9a1la1

  • MD5

    075fa1c9ab37da504f2ebc0bdb1c5e8b

  • SHA1

    3f5c22c0f4968ea41941c2a24eea0e025da54b7f

  • SHA256

    4f1587e3998b79e7f9bb6248e401da9e89922ee19f520d5cfff3bae1516ca19d

  • SHA512

    7694940d68a988f95baf515143edb62fdc9faee12c2d18f450848789489903286f4db94ca59863566b0310f60a8baf3411f31660efd1295960b996cedcceb701

  • SSDEEP

    98304:NAW8GZM0knwmjQgl4jqA4BWtNBhZO6rfwv:Nr8HjQgl4GmhZOfv

Malware Config

Extracted

Family

cryptbot

Targets

    • Target

      4f1587e3998b79e7f9bb6248e401da9e89922ee19f520d5cfff3bae1516ca19d.exe

    • Size

      4.3MB

    • MD5

      075fa1c9ab37da504f2ebc0bdb1c5e8b

    • SHA1

      3f5c22c0f4968ea41941c2a24eea0e025da54b7f

    • SHA256

      4f1587e3998b79e7f9bb6248e401da9e89922ee19f520d5cfff3bae1516ca19d

    • SHA512

      7694940d68a988f95baf515143edb62fdc9faee12c2d18f450848789489903286f4db94ca59863566b0310f60a8baf3411f31660efd1295960b996cedcceb701

    • SSDEEP

      98304:NAW8GZM0knwmjQgl4jqA4BWtNBhZO6rfwv:Nr8HjQgl4GmhZOfv

    • 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