Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19-11-2024 11:38
Behavioral task
behavioral1
Sample
kkkkkk.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
kkkkkk.exe
Resource
win10v2004-20241007-en
General
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Target
kkkkkk.exe
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Size
41KB
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MD5
0a0309d239faa5e9d9f53e5e8c02a1ca
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SHA1
796e8bf0e64edbdfffdf676190ed65632d3d190e
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SHA256
b789546b91150da62b9f1baafd5c4336d53648b58859c5d1326115488d72349c
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SHA512
15be178dd7d836d5ed87ca1a3d5312942c5a84c3f86ee2b79eda5567f45fc518b04c0ac9aecbc983896bd79e3c0d6dec267bbfc3f14db487f29545d639e0d983
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SSDEEP
768:yschJYwLfT6axpDXswxuZde0WTjmKZKfgm3EhIg:hcnfnx2e0WTKF7Eag
Malware Config
Extracted
mercurialgrabber
https://discord.com/api/webhooks/1304986756986437652/HHDxxLiJM6tIxNgOju2S0hxKsgWTRC20_Address26Ulqxb
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:
kkkkkk.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions kkkkkk.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
kkkkkk.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\VMWare, Inc.\VMWare Tools kkkkkk.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
kkkkkk.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion kkkkkk.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
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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 2 ip4.seeip.org 20 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:
kkkkkk.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum kkkkkk.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 kkkkkk.exe -
Checks SCSI registry key(s) 3 TTPs 1 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
kkkkkk.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S kkkkkk.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kkkkkk.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 kkkkkk.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kkkkkk.exe -
Enumerates system info in registry 2 TTPs 4 IoCs
Processes:
kkkkkk.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0 kkkkkk.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation kkkkkk.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer kkkkkk.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName kkkkkk.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
kkkkkk.exedescription pid process Token: SeDebugPrivilege 4232 kkkkkk.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\kkkkkk.exe"C:\Users\Admin\AppData\Local\Temp\kkkkkk.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:4232
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1