Analysis
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max time kernel
22s -
max time network
31s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-11-2024 19:39
Behavioral task
behavioral1
Sample
Spoofer.exe
Resource
win11-20241007-en
General
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Target
Spoofer.exe
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Size
42KB
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MD5
a1baabfc69147abcad27edeb039b2c48
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SHA1
4b7ecee83d1f878e80c42d48b8e3526199017621
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SHA256
eb0c301974a821dedb5970184a934715cbe92abffb8a7532a990bf12ae824e4f
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SHA512
1a424b500dd64af5cb4527fdc6136be3687db6d88222859744e2495edd6670efdb826761515bd2fd67263eee2c8033026ed888ce8e9f7097e515c7b35ec99a3d
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SSDEEP
768:eaRlnERMjPsRNGAuZNLJpTjEKZKfgm3EhFe:eRMTsjGnLJpToF7Ene
Malware Config
Extracted
mercurialgrabber
https://discordapp.com/api/webhooks/1308437525995458580/tUCFfkyMze1B-I4wpnAKAPeE5f0RIWtyWwzWg3ZmQtPlguWlMw52Bcp3BrDC8rz1AXzP
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
Processes:
Spoofer.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions Spoofer.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
Spoofer.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\VMWare, Inc.\VMWare Tools Spoofer.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
Spoofer.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Spoofer.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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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 1 ip4.seeip.org 1 ip-api.com -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
Spoofer.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum Spoofer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 Spoofer.exe -
Checks SCSI registry key(s) 3 TTPs 1 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
Spoofer.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S Spoofer.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
Spoofer.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString Spoofer.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 Spoofer.exe -
Enumerates system info in registry 2 TTPs 4 IoCs
Processes:
Spoofer.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation Spoofer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer Spoofer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName Spoofer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0 Spoofer.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Spoofer.exedescription pid process Token: SeDebugPrivilege 1936 Spoofer.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Spoofer.exe"C:\Users\Admin\AppData\Local\Temp\Spoofer.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:1936
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1