General

  • Target

    file.exe

  • Size

    4.3MB

  • Sample

    241205-yenkgaynaz

  • MD5

    e9d01cec59d8e2aec09a3eb40646e9bf

  • SHA1

    cf50c8d1f9fd14327684af745c2ded0c181c82a8

  • SHA256

    19d0f6b9a8d1ff3ec8a861ca37da7257b1c7db831fb89b812b763928055857fe

  • SHA512

    49d7a89f82c87106f21b53efa9cbbc6365d67403e5a511222d734ab74a5afcd5c5b582e6887b0c1a164532698f6b7034d85839aacb5093976505e54283cab3b4

  • SSDEEP

    98304:uJOpvZrjOFbmJ1oZmSNBxdTTrW+nsrOCRR4AMWAr:1ph/OFbm5SNdTO+nszbW

Malware Config

Extracted

Family

cryptbot

Targets

    • Target

      file.exe

    • Size

      4.3MB

    • MD5

      e9d01cec59d8e2aec09a3eb40646e9bf

    • SHA1

      cf50c8d1f9fd14327684af745c2ded0c181c82a8

    • SHA256

      19d0f6b9a8d1ff3ec8a861ca37da7257b1c7db831fb89b812b763928055857fe

    • SHA512

      49d7a89f82c87106f21b53efa9cbbc6365d67403e5a511222d734ab74a5afcd5c5b582e6887b0c1a164532698f6b7034d85839aacb5093976505e54283cab3b4

    • SSDEEP

      98304:uJOpvZrjOFbmJ1oZmSNBxdTTrW+nsrOCRR4AMWAr:1ph/OFbm5SNdTO+nszbW

    • 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