General

  • Target

    file.exe

  • Size

    4.2MB

  • Sample

    241116-elscfsyndt

  • MD5

    ae3d65e6997e83052731f8c389b2ea2d

  • SHA1

    d7eb57b6010326894c0545d5d82f6f6bb7e44e79

  • SHA256

    da236b2dc5ef103fb53834359dd045b740367bedb9f3ebbd15bb0d375ae7b5e7

  • SHA512

    fc716f5c1d6fac5497f71017943a8aaf911037038387187335fa23b85cd57e0e3469aa5a9d588455b31b2b5cded692243a9a4fe2976c6ca46d346e307cdfc92f

  • SSDEEP

    98304:mFqlZjpXpQyXgdPZkIZezXvOh9GIGv13ws:u8ZtpQ6EfKWhYIG9

Malware Config

Targets

    • Target

      file.exe

    • Size

      4.2MB

    • MD5

      ae3d65e6997e83052731f8c389b2ea2d

    • SHA1

      d7eb57b6010326894c0545d5d82f6f6bb7e44e79

    • SHA256

      da236b2dc5ef103fb53834359dd045b740367bedb9f3ebbd15bb0d375ae7b5e7

    • SHA512

      fc716f5c1d6fac5497f71017943a8aaf911037038387187335fa23b85cd57e0e3469aa5a9d588455b31b2b5cded692243a9a4fe2976c6ca46d346e307cdfc92f

    • SSDEEP

      98304:mFqlZjpXpQyXgdPZkIZezXvOh9GIGv13ws:u8ZtpQ6EfKWhYIG9

    • 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