General
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Target
https://github.com/NightfallGT/Mercurial-Grabber/releases/tag/v1.0
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Sample
230511-xsa1vsab39
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://github.com/NightfallGT/Mercurial-Grabber/releases/tag/v1.0
Resource
win10v2004-20230221-en
Malware Config
Targets
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Target
https://github.com/NightfallGT/Mercurial-Grabber/releases/tag/v1.0
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Mercurial Grabber Stealer
Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.
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Looks for VirtualBox Guest Additions in registry
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Downloads MZ/PE file
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Looks for VMWare Tools registry key
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Modifies system executable filetype association
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Registers COM server for autorun
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops Chrome extension
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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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