Extracted

• • Target

    https://cdn.discordapp.com/attachments/1302716374694629517/1329938270221631622/Mercurial-installer.exe?ex=678c2908&is=678ad788&hm=f86df569ea7fe34ad214fc2ba249db2a40749bde276903041e0e1c4acf8a200c&

  Score

  10^/10

  mercurialgrabberagilenetdefense_evasiondiscoveryevasionexecutionpersistenceprivilege_escalationspywarestealer

  • Mercurial Grabber Stealer

    Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.

    stealermercurialgrabber

  • Mercurialgrabber family

    mercurialgrabber

  • Suspicious use of NtCreateProcessExOtherParentProcess

  • Suspicious use of NtCreateUserProcessOtherParentProcess

  • Looks for VirtualBox Guest Additions in registry

    evasion

  • Command and Scripting Interpreter: PowerShell

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution

  • Creates new service(s)

    persistenceexecution

  • Downloads MZ/PE file

  • Looks for VMWare Tools registry key

    evasion

  • Stops running service(s)

    evasionexecution

  • 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.

    persistenceprivilege_escalation

  • Executes dropped EXE

  • Indicator Removal: Clear Windows Event Logs

    Clear Windows Event Logs to hide the activity of an intrusion.

    defense_evasion

  • Loads dropped DLL

  • Obfuscated with Agile.Net obfuscator

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    agilenet

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Checks installed software on the system

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

    discovery

  • Legitimate hosting services abused for malware hosting/C2

  • Looks up external IP address via web service

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Maps connected drives based on registry

    Disk information is often read in order to detect sandboxing environments.

  • Obfuscated Files or Information: Command Obfuscation

    Adversaries may obfuscate content during command execution to impede detection.

    defense_evasion

  • Power Settings

    powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    persistence

  • Drops file in System32 directory

  • Suspicious use of SetThreadContext

  behavioral1