General

  • Target

    random.exe

  • Size

    6.2MB

  • Sample

    250209-v8my9axrbk

  • MD5

    069ff0654d04b6c32940e11762b4cda9

  • SHA1

    d0757d9e35b59d1b3075c818227c496427598d49

  • SHA256

    a7e34bebb04fd6fae92771a6f0a09b55b3d6dc1decacc17937b0a53a0462d526

  • SHA512

    afaa2aa66bf15cef5355378d005eb1953860b609c3779c0235ae4ba6b7694de86d090ca6c84c29b1cbbc320845b8933b3c7f641f3125e4ec54d656aa17780e91

  • SSDEEP

    98304:vn0uVx99QAERXhd7SWb6ZLDucAl4iTGjkjHlXoEOa+S5Pfz:vn0kx996JOEOa+S5H

Malware Config

Extracted

Family

cryptbot

C2

http://home.fivepp5sb.top/joLepLgSzIBRhlkJbQYx17

Targets

    • Target

      random.exe

    • Size

      6.2MB

    • MD5

      069ff0654d04b6c32940e11762b4cda9

    • SHA1

      d0757d9e35b59d1b3075c818227c496427598d49

    • SHA256

      a7e34bebb04fd6fae92771a6f0a09b55b3d6dc1decacc17937b0a53a0462d526

    • SHA512

      afaa2aa66bf15cef5355378d005eb1953860b609c3779c0235ae4ba6b7694de86d090ca6c84c29b1cbbc320845b8933b3c7f641f3125e4ec54d656aa17780e91

    • SSDEEP

      98304:vn0uVx99QAERXhd7SWb6ZLDucAl4iTGjkjHlXoEOa+S5Pfz:vn0kx996JOEOa+S5H

    • 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