General

  • Target

    file.exe

  • Size

    4.2MB

  • Sample

    241122-kyb4wstncn

  • MD5

    78623a8cad0667f07764baa1c77adc20

  • SHA1

    c7887f807d381380279ad131b5828262cff4265e

  • SHA256

    16df14cdea17907bbeecb8c9f43486fc7edd4f23093b4043d11d6715921daea2

  • SHA512

    0e960fd601a9a4e8814c4c5b37bb069a2f1e0f3862f5dc24ee4a29a641b34fab3ce4994648995890db0586fc244644feb229e805004af990a0a3a1efac85fde9

  • SSDEEP

    98304:IPtbR4+bTgP/Io08IUYkBqjMbOIpCKr5EMIlewi:MtddfMzHYVjMbOIphUe

Malware Config

Targets

    • Target

      file.exe

    • Size

      4.2MB

    • MD5

      78623a8cad0667f07764baa1c77adc20

    • SHA1

      c7887f807d381380279ad131b5828262cff4265e

    • SHA256

      16df14cdea17907bbeecb8c9f43486fc7edd4f23093b4043d11d6715921daea2

    • SHA512

      0e960fd601a9a4e8814c4c5b37bb069a2f1e0f3862f5dc24ee4a29a641b34fab3ce4994648995890db0586fc244644feb229e805004af990a0a3a1efac85fde9

    • SSDEEP

      98304:IPtbR4+bTgP/Io08IUYkBqjMbOIpCKr5EMIlewi:MtddfMzHYVjMbOIphUe

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Detects CryptBot payload

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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