Analysis
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max time kernel
102s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
04-08-2022 09:10
Behavioral task
behavioral1
Sample
62.exe
Resource
win7-20220718-en
Behavioral task
behavioral2
Sample
62.exe
Resource
win10v2004-20220721-en
General
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Target
62.exe
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Size
41KB
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MD5
0f289c574cf2946e3fd84ba061425bfe
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SHA1
340d5f331ac0e4683facc3bf117d0472fe2cff10
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SHA256
6201925f8700ecc0c8f00027abb04aead349f32c740dbfdbc05a4e591611fd0a
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SHA512
e1224b72519e58058d8ff4ba635fae7e44dc6353d8617700af87f467c9a7aba080eeccc43817bff179c3453b3d908ee84c4cc19ee726bbf6ad66cdc549db9753
Malware Config
Extracted
mercurialgrabber
https://discord.com/api/webhooks/1004625930397941760/YNH_Jgj9nhV8oe0r-7dvWyBtDo1Q7cL3hfYJBCnjxIdcMjhI7nRRSZGvHYRF-gZSxZ8U
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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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
Processes:
62.exedescription ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions 62.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
62.exedescription ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\VMWare, Inc.\VMWare Tools 62.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
62.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 62.exe -
Reads user/profile data of web browsers 2 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
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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 3 ip4.seeip.org 4 ip4.seeip.org 6 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:
62.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 62.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 62.exe -
Checks SCSI registry key(s) 3 TTPs 1 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
62.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S 62.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
62.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 62.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 62.exe -
Enumerates system info in registry 2 TTPs 4 IoCs
Processes:
62.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation 62.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer 62.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName 62.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0 62.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
62.exedescription pid Process Token: SeDebugPrivilege 4660 62.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\62.exe"C:\Users\Admin\AppData\Local\Temp\62.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:4660