General

  • Target

    42e46ac1d7643cd42ca0968bfbb9431a.exe

  • Size

    4.2MB

  • Sample

    241218-ypbcws1jfq

  • MD5

    42e46ac1d7643cd42ca0968bfbb9431a

  • SHA1

    b2c838088e8c80939b27beda663e2a0e1900d8fe

  • SHA256

    67b9d9255af3bad550cfa7c8b1a382c2d31c039a2b012e2460f85d9556716477

  • SHA512

    f6ddedeabec8e4459330abde1838b93da7f387eaf518b4caa731d90d54e4ed355a699dc4feeeeff79d3855e57778ec8e2eb7f75b851e258072eb41a1ad4ccc10

  • SSDEEP

    98304:oKlXuTCyDQgJ5HzMKO1M0yODzk1mp1xJlQEY6UaAM1h:flXuTCEfJ5ThO1MQzcmp1rlPAM1

Malware Config

Extracted

Family

cryptbot

Targets

    • Target

      42e46ac1d7643cd42ca0968bfbb9431a.exe

    • Size

      4.2MB

    • MD5

      42e46ac1d7643cd42ca0968bfbb9431a

    • SHA1

      b2c838088e8c80939b27beda663e2a0e1900d8fe

    • SHA256

      67b9d9255af3bad550cfa7c8b1a382c2d31c039a2b012e2460f85d9556716477

    • SHA512

      f6ddedeabec8e4459330abde1838b93da7f387eaf518b4caa731d90d54e4ed355a699dc4feeeeff79d3855e57778ec8e2eb7f75b851e258072eb41a1ad4ccc10

    • SSDEEP

      98304:oKlXuTCyDQgJ5HzMKO1M0yODzk1mp1xJlQEY6UaAM1h:flXuTCEfJ5ThO1MQzcmp1rlPAM1

    • 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