Analysis
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max time kernel
104s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
28/03/2025, 14:10
Behavioral task
behavioral1
Sample
RobloxGameGrabber.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
RobloxGameGrabber.exe
Resource
win10v2004-20250314-en
General
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Target
RobloxGameGrabber.exe
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Size
41KB
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MD5
9036134c2be4ab6b93490feaf419d4bf
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SHA1
9e4157ed13486a5af5e5691a6e4ffc8f26c7d41b
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SHA256
9611ea81bb2bda5a577acd871994640ed4bcd18aff6ddeac7e04ac1fa03b0745
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SHA512
b5c43a17018746a99aecbdadd9be913bd2cc5aeecc197f62174d8a6d2a145c2b9e6490e744100eb0f2694210ea400e52bb81234d575cd04fbd0af0d2746641d2
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SSDEEP
768:WscaIyIS+7YxGPvSPYwXuZEexWTjRKZKfgm3EhCi:1c1VYZPlexWTVF7EUi
Malware Config
Extracted
mercurialgrabber
https://discord.com/api/webhooks/1355108897274335281/KUJHOdJ9fi_OBnTO2gCQuVLlon_zu1H8UnvtnoGPgzOWPkGZQ6u9AbDxJah1n7h7C1TE
Signatures
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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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Mercurialgrabber family
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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions RobloxGameGrabber.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\VMWare, Inc.\VMWare Tools RobloxGameGrabber.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion RobloxGameGrabber.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
flow ioc 38 discord.com 39 discord.com 41 discord.com -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 3 ip4.seeip.org 36 ip-api.com -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum RobloxGameGrabber.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 RobloxGameGrabber.exe -
Checks SCSI registry key(s) 3 TTPs 1 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S RobloxGameGrabber.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 RobloxGameGrabber.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RobloxGameGrabber.exe -
Enumerates system info in registry 2 TTPs 4 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer RobloxGameGrabber.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName RobloxGameGrabber.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0 RobloxGameGrabber.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation RobloxGameGrabber.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 640 RobloxGameGrabber.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\RobloxGameGrabber.exe"C:\Users\Admin\AppData\Local\Temp\RobloxGameGrabber.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Checks SCSI registry key(s)
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:640
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1