General

  • Target

    85aca9b9c7eed56fcd7f62f7775c4e16555532497a7a657a8973f7dfc9e791ca.exe

  • Size

    4.3MB

  • Sample

    241229-cyldkazlgp

  • MD5

    3657bc0028f37da206a1530aa895f62e

  • SHA1

    b23e3ac015967159f244b2ab5dde165232a797d9

  • SHA256

    85aca9b9c7eed56fcd7f62f7775c4e16555532497a7a657a8973f7dfc9e791ca

  • SHA512

    589a567fa6943180b4fb38e32ffdb9d78975feb65f1e1369437753857199eebb2f6383e1248f3d1ad526df92b2a96d2d46c2fd8d9939c44e7e95354582f24c07

  • SSDEEP

    98304:gvgc3jdMcGy7WYVV09ol4PGUA8Dj+ibl3cQKRMoEUVKFo:gIc3jdMLsdV0eCXFCQAhg

Malware Config

Extracted

Family

cryptbot

Targets

    • Target

      85aca9b9c7eed56fcd7f62f7775c4e16555532497a7a657a8973f7dfc9e791ca.exe

    • Size

      4.3MB

    • MD5

      3657bc0028f37da206a1530aa895f62e

    • SHA1

      b23e3ac015967159f244b2ab5dde165232a797d9

    • SHA256

      85aca9b9c7eed56fcd7f62f7775c4e16555532497a7a657a8973f7dfc9e791ca

    • SHA512

      589a567fa6943180b4fb38e32ffdb9d78975feb65f1e1369437753857199eebb2f6383e1248f3d1ad526df92b2a96d2d46c2fd8d9939c44e7e95354582f24c07

    • SSDEEP

      98304:gvgc3jdMcGy7WYVV09ol4PGUA8Dj+ibl3cQKRMoEUVKFo:gIc3jdMLsdV0eCXFCQAhg

    • 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