Resubmissions

11-07-2024 18:01

240711-wma81axgkq 10

11-07-2024 11:16

240711-ndal4stfrp 10

General

  • Target

    Everything.exe

  • Size

    2.4MB

  • Sample

    240711-wma81axgkq

  • MD5

    1e55e82940a34f0347e2ec84674cb6c0

  • SHA1

    49a82cd8c8a3f020b6dbe9f9a4c409e16b0bbe33

  • SHA256

    8695345472b86220ef4154c2c8f86e301569b082238c84aeff34dea0c5c204e3

  • SHA512

    ce004fa9917044abf01664806301fe84c090e7ebd2e5378b95ecc92b8de37587d411384c54598c515046b93d0f6547c2030d0946b62213ad59e8c2986cb63634

  • SSDEEP

    49152:+bA3xoX3ciWYFZGNtz4QG+evJ692QNMkY/ZXZqqhRfgAlWzRA:+b6CFczzmDv892QNBYRXZqqhxg5RA

Malware Config

Targets

    • Target

      Everything.exe

    • Size

      2.4MB

    • MD5

      1e55e82940a34f0347e2ec84674cb6c0

    • SHA1

      49a82cd8c8a3f020b6dbe9f9a4c409e16b0bbe33

    • SHA256

      8695345472b86220ef4154c2c8f86e301569b082238c84aeff34dea0c5c204e3

    • SHA512

      ce004fa9917044abf01664806301fe84c090e7ebd2e5378b95ecc92b8de37587d411384c54598c515046b93d0f6547c2030d0946b62213ad59e8c2986cb63634

    • SSDEEP

      49152:+bA3xoX3ciWYFZGNtz4QG+evJ692QNMkY/ZXZqqhRfgAlWzRA:+b6CFczzmDv892QNBYRXZqqhxg5RA

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • UAC bypass

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies RDP port number used by Windows

    • Sets service image path in registry

    • 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.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks