General

  • Target

    file.exe

  • Size

    4.2MB

  • Sample

    241117-ek8caa1djr

  • MD5

    397930d8d91812952efd516d4f27826b

  • SHA1

    df9f473da236e2a5a262b234ba75662dbca63363

  • SHA256

    cc0b27cc68d82b36ad7bb3e6b07020a6cef20e9350ddc141fc695a5f1fd5914c

  • SHA512

    f89618c4aea920e5260afbfcb0833e1155c193de59ed399e454f7d85c0a8b193e3818c1d98a585f37fb760c421b78d455a6c17d0a2da6a9ffa456507372e46c8

  • SSDEEP

    98304:kmGJrw/6fV2GdYUC67IGMgzuD4RLibvR+a7LtVY/syi36A:MrmKYGJC60GduD4R0vR+ajY5i3F

Malware Config

Targets

    • Target

      file.exe

    • Size

      4.2MB

    • MD5

      397930d8d91812952efd516d4f27826b

    • SHA1

      df9f473da236e2a5a262b234ba75662dbca63363

    • SHA256

      cc0b27cc68d82b36ad7bb3e6b07020a6cef20e9350ddc141fc695a5f1fd5914c

    • SHA512

      f89618c4aea920e5260afbfcb0833e1155c193de59ed399e454f7d85c0a8b193e3818c1d98a585f37fb760c421b78d455a6c17d0a2da6a9ffa456507372e46c8

    • SSDEEP

      98304:kmGJrw/6fV2GdYUC67IGMgzuD4RLibvR+a7LtVY/syi36A:MrmKYGJC60GduD4R0vR+ajY5i3F

    • 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