General

  • Target

    random.exe

  • Size

    6.3MB

  • Sample

    250208-x2zqkszjbx

  • MD5

    68db47f8ea14a2cfa46ac6dd51cfbe7e

  • SHA1

    13ec4352d97b7f7a919b36e442c7ecd968c32e38

  • SHA256

    8907d3c04cd2f4d22b3e9202d7f9924ee26adef714d8e0e139766126b9c5f0f2

  • SHA512

    328a3421097aeaac6178798079eb8f3228374273d781d33373801e26f2b0e8b13b3fdcc0effa70a2abd1ad8db7f49061aaec0d6805851c7f0e0b2f608c7947f3

  • SSDEEP

    98304:hjU/6fvUeTletTqWpX1Ge9/vhWBOUj/7Uuy8NTS5zKkuVm:h4/6fvCqWplf/vRuKRZ

Malware Config

Extracted

Family

cryptbot

Targets

    • Target

      random.exe

    • Size

      6.3MB

    • MD5

      68db47f8ea14a2cfa46ac6dd51cfbe7e

    • SHA1

      13ec4352d97b7f7a919b36e442c7ecd968c32e38

    • SHA256

      8907d3c04cd2f4d22b3e9202d7f9924ee26adef714d8e0e139766126b9c5f0f2

    • SHA512

      328a3421097aeaac6178798079eb8f3228374273d781d33373801e26f2b0e8b13b3fdcc0effa70a2abd1ad8db7f49061aaec0d6805851c7f0e0b2f608c7947f3

    • SSDEEP

      98304:hjU/6fvUeTletTqWpX1Ge9/vhWBOUj/7Uuy8NTS5zKkuVm:h4/6fvCqWplf/vRuKRZ

    • 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)

    • Downloads MZ/PE file

    • 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