General

  • Target

    9423f239cb53933a8e5585af76a49d471dbc4fab82c10b67e3c519def8eed56c

  • Size

    4.2MB

  • Sample

    241217-z8pkaszjfr

  • MD5

    3cdd95ff7c8fb061a1a077b9eed6af4f

  • SHA1

    f8c42713f9c7c750406dde52859ca2b0f6d8a342

  • SHA256

    9423f239cb53933a8e5585af76a49d471dbc4fab82c10b67e3c519def8eed56c

  • SHA512

    9c57282f715b8f19463c071e99318ce9b00864cfcf30bbf376e827fad26240f7dbde2ccd2bcacc6813ab2fe0cb5f2534bcc298b4727253e46cab6b783466e868

  • SSDEEP

    98304:UHeVCefNDn4+Y8o90rPxIh1oEcbxfXLY:pNxu8i0CSV/

Malware Config

Extracted

Family

cryptbot

Targets

    • Target

      9423f239cb53933a8e5585af76a49d471dbc4fab82c10b67e3c519def8eed56c

    • Size

      4.2MB

    • MD5

      3cdd95ff7c8fb061a1a077b9eed6af4f

    • SHA1

      f8c42713f9c7c750406dde52859ca2b0f6d8a342

    • SHA256

      9423f239cb53933a8e5585af76a49d471dbc4fab82c10b67e3c519def8eed56c

    • SHA512

      9c57282f715b8f19463c071e99318ce9b00864cfcf30bbf376e827fad26240f7dbde2ccd2bcacc6813ab2fe0cb5f2534bcc298b4727253e46cab6b783466e868

    • SSDEEP

      98304:UHeVCefNDn4+Y8o90rPxIh1oEcbxfXLY:pNxu8i0CSV/

    • 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