Analysis
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max time kernel
135s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
02-09-2022 17:18
Behavioral task
behavioral1
Sample
hello.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
hello.exe
Resource
win10v2004-20220812-en
General
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Target
hello.exe
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Size
42KB
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MD5
39866366d230bd8c69ccc4831949616e
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SHA1
74b9be8befe4d1d846b7960e9cbb9b4e22420e67
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SHA256
70b21b931557dafb9b305b1ea9a4f50474f41cbe5cb7ab5d09fba9dfece07908
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SHA512
01d1c23a3f99d8fd64196c4f66be4eff8067f11d76c772015e05caafbc579e75f544a6655a73d6ad5093da6e78ff96dbdf8044dea20d5d357fbfd51f5e1a0620
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SSDEEP
768:PmL9D0zgOfTs+ZexuZXLQqTjQPKZKfgm3EhjK:eLYfTNZ5LQqTwF7ElK
Malware Config
Extracted
mercurialgrabber
https://discord.com/api/webhooks/1015309550255087727/Qs85ghop6Q1y0sToejjw_2npe9heNIKrkIxsfMCiUtkdgJQujOLGGfchOKmoR4PRG8pr
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:
hello.exedescription ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions hello.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
hello.exedescription ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\VMWare, Inc.\VMWare Tools hello.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
hello.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion hello.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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 35 ip-api.com 2 ip4.seeip.org -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
hello.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum hello.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 hello.exe -
Checks SCSI registry key(s) 3 TTPs 1 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
hello.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S hello.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
hello.exedescription ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 hello.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString hello.exe -
Enumerates system info in registry 2 TTPs 4 IoCs
Processes:
hello.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0 hello.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation hello.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer hello.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName hello.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
hello.exedescription pid Process Token: SeDebugPrivilege 3364 hello.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\hello.exe"C:\Users\Admin\AppData\Local\Temp\hello.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:3364