Analysis
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max time kernel
1441s -
max time network
1531s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
14-01-2023 13:59
Behavioral task
behavioral1
Sample
LOLXD.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
LOLXD.exe
Resource
win10v2004-20221111-en
General
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Target
LOLXD.exe
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Size
42KB
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MD5
e3d545e230f7e5bb4948716c63a8b851
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SHA1
e25b168d3e9dd8eeafe6722c1fff7b8f4ecb2a64
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SHA256
40d90e4a38dc265d047803df7e224f0d5d80fef69503296170e776213a3f6697
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SHA512
d8309978995fba6bced265d98a2f716db74087cbcf46e42f10f518440122b7835fd8a5a76f336a0fad2b88d705509b8efc3f721749947072b88cd94f8c3aee76
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SSDEEP
768:jE5jFn8rdgOpRTs+ZewuZ2Lf8lTjOKZKfgm3Ehmp:dxpRTNZZLf8lTaF7Ekp
Malware Config
Extracted
mercurialgrabber
https://discord.com/api/webhooks/1063818888372035674/Cr-rpmPnLJwltx1y4iKFbEtWHEItxwUz_xjBPlrsOtbWgXZr1elASq8XP6KoqAJY1NRu
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:
LOLXD.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions LOLXD.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
LOLXD.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\VMWare, Inc.\VMWare Tools LOLXD.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
LOLXD.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion LOLXD.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 11 ip4.seeip.org 14 ip-api.com 9 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:
LOLXD.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum LOLXD.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 LOLXD.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3900 632 WerFault.exe LOLXD.exe -
Checks SCSI registry key(s) 3 TTPs 1 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
LOLXD.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S LOLXD.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
LOLXD.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 LOLXD.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString LOLXD.exe -
Enumerates system info in registry 2 TTPs 4 IoCs
Processes:
LOLXD.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation LOLXD.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer LOLXD.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName LOLXD.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0 LOLXD.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
LOLXD.exedescription pid process Token: SeDebugPrivilege 632 LOLXD.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\LOLXD.exe"C:\Users\Admin\AppData\Local\Temp\LOLXD.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
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 632 -s 21802⤵
- Program crash
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 412 -p 632 -ip 6321⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/632-132-0x0000000000B40000-0x0000000000B50000-memory.dmpFilesize
64KB
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memory/632-133-0x00007FFF59FD0000-0x00007FFF5AA91000-memory.dmpFilesize
10.8MB
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memory/632-134-0x00007FFF59FD0000-0x00007FFF5AA91000-memory.dmpFilesize
10.8MB
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memory/632-135-0x00007FFF59FD0000-0x00007FFF5AA91000-memory.dmpFilesize
10.8MB