General

  • Target

    file.exe

  • Size

    4.2MB

  • Sample

    241121-hlye9aygme

  • MD5

    6b7999360a3bba7b9c342b9f362d09b3

  • SHA1

    eda0601fbe1be5ea51a1eb5bdb0df667329e7c72

  • SHA256

    e58f6a0abd6378434abc6d2284e3ce60a0b177d2a01c3214c321016a02eaea09

  • SHA512

    33caca1ab2b0ba80a6e8c8ec8caa109012a258ffb23951f26c301f0085a5699bbc2a58c5f3c90e944ccff88be76aa8bb88cee7a2be8e7c9620fe10aeded5f5e3

  • SSDEEP

    98304:Mfojbq8aBF1uXJtN132wNgqDjEHT1lpBpXLJcXl5q:Mfsbq8aBFUtv3bNBULqXu

Malware Config

Targets

    • Target

      file.exe

    • Size

      4.2MB

    • MD5

      6b7999360a3bba7b9c342b9f362d09b3

    • SHA1

      eda0601fbe1be5ea51a1eb5bdb0df667329e7c72

    • SHA256

      e58f6a0abd6378434abc6d2284e3ce60a0b177d2a01c3214c321016a02eaea09

    • SHA512

      33caca1ab2b0ba80a6e8c8ec8caa109012a258ffb23951f26c301f0085a5699bbc2a58c5f3c90e944ccff88be76aa8bb88cee7a2be8e7c9620fe10aeded5f5e3

    • SSDEEP

      98304:Mfojbq8aBF1uXJtN132wNgqDjEHT1lpBpXLJcXl5q:Mfsbq8aBFUtv3bNBULqXu

    • 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