General

  • Target

    981a4c97340fa796c8a968d31fc620c0.exe

  • Size

    4.2MB

  • Sample

    241227-jgeysasrev

  • MD5

    981a4c97340fa796c8a968d31fc620c0

  • SHA1

    634cb9ffb2bd6503c8a3f7b6c6a0eaa25a1c27d4

  • SHA256

    7f1b2b20696065cf69d8e02c68afe93dde97a1f24a7269c856ea09cee92d921a

  • SHA512

    5a0c6026723cafb3944362edbc7287971ebd4911622425833f4a2ade3313cdd4d3ce1095cb96aeb9ec86435c4c93da959b566e8357f7ee6a294fad60d3ecd45c

  • SSDEEP

    98304:Voi/G6I6N32CRaVFInRKJGhSdXpKSli9jawgZB9D:Voiu6I6HRw00JGU/TiI/t

Malware Config

Extracted

Family

cryptbot

Targets

    • Target

      981a4c97340fa796c8a968d31fc620c0.exe

    • Size

      4.2MB

    • MD5

      981a4c97340fa796c8a968d31fc620c0

    • SHA1

      634cb9ffb2bd6503c8a3f7b6c6a0eaa25a1c27d4

    • SHA256

      7f1b2b20696065cf69d8e02c68afe93dde97a1f24a7269c856ea09cee92d921a

    • SHA512

      5a0c6026723cafb3944362edbc7287971ebd4911622425833f4a2ade3313cdd4d3ce1095cb96aeb9ec86435c4c93da959b566e8357f7ee6a294fad60d3ecd45c

    • SSDEEP

      98304:Voi/G6I6N32CRaVFInRKJGhSdXpKSli9jawgZB9D:Voiu6I6HRw00JGU/TiI/t

    • 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