General

  • Target

    file.exe

  • Size

    4.2MB

  • Sample

    241127-aq69ysxlfz

  • MD5

    8bbc0ba3f7e3de90ec5e840675fb4312

  • SHA1

    d55c0017d44c6f92dab0a4590239633ae0d39c6d

  • SHA256

    61b556e5d3b3f6005b4d8074e31cb3b3fd99a285b62e8f141c5ee52bdfeb9e44

  • SHA512

    6a6fe43be875d44235b09f4b64fe54a0e3a2c426b314f236291c46f614774ebd3151ece273601f626c684a89138e452b713250d118f954694fef866775f740f6

  • SSDEEP

    98304:aFDniBcAh8HUmTwW5WmBZ8QTVkibnwXFF/57ZY4BoXo4O:aFDnisPz9BZrTVkibAFF2Y4

Malware Config

Targets

    • Target

      file.exe

    • Size

      4.2MB

    • MD5

      8bbc0ba3f7e3de90ec5e840675fb4312

    • SHA1

      d55c0017d44c6f92dab0a4590239633ae0d39c6d

    • SHA256

      61b556e5d3b3f6005b4d8074e31cb3b3fd99a285b62e8f141c5ee52bdfeb9e44

    • SHA512

      6a6fe43be875d44235b09f4b64fe54a0e3a2c426b314f236291c46f614774ebd3151ece273601f626c684a89138e452b713250d118f954694fef866775f740f6

    • SSDEEP

      98304:aFDniBcAh8HUmTwW5WmBZ8QTVkibnwXFF/57ZY4BoXo4O:aFDnisPz9BZrTVkibAFF2Y4

    • 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.

    • Enumerates VirtualBox registry keys

    • 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