Analysis
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max time kernel
146s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
20-02-2022 12:07
Static task
static1
Behavioral task
behavioral1
Sample
b45e734ae4ddc52234ca1bde5781834ed3f04e1ce2a2c0e09c8720360e1102a6.exe
Resource
win7-en-20211208
General
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Target
b45e734ae4ddc52234ca1bde5781834ed3f04e1ce2a2c0e09c8720360e1102a6.exe
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Size
2.3MB
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MD5
4bb0a120d0b51dae6d3b784ba4c29245
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SHA1
e9c76fc16b212fc3c0f23bac20acd13e9a7df656
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SHA256
b45e734ae4ddc52234ca1bde5781834ed3f04e1ce2a2c0e09c8720360e1102a6
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SHA512
d86b9d53dc0e83390ff6c6f37ebef7431061cc1013b3cdb22e718c5aa46e1a1b9df6ad54eeae0f90a6ed9f16ef0e9101d9fd5a2ffe0552939dd608db3e0bc214
Malware Config
Extracted
C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-font-fms.resources\1\Information.txt
qulab
http://teleg.run/QulabZ
Signatures
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ACProtect 1.3x - 1.4x DLL software 2 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x00030000000118c2-130.dat acprotect behavioral2/files/0x00030000000118c2-131.dat acprotect -
Executes dropped EXE 1 IoCs
pid Process 1888 NlsLexicons001d.module.exe -
resource yara_rule behavioral2/files/0x00030000000118c2-130.dat upx behavioral2/files/0x00030000000118c2-131.dat upx behavioral2/files/0x000300000001ed35-132.dat upx -
Loads dropped DLL 2 IoCs
pid Process 3088 NlsLexicons001d.exe 3088 NlsLexicons001d.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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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.
flow ioc 28 ipapi.co 29 ipapi.co -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\winmgmts:\localhost\ NlsLexicons001d.exe File opened for modification C:\Windows\SysWOW64\winmgmts:\localhost\ NlsLexicons001d.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.exe File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe -
Modifies data under HKEY_USERS 50 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132900088835742972" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3984" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.575771" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4104" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.260716" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4312" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" svchost.exe -
NTFS ADS 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\winmgmts:\localhost\ b45e734ae4ddc52234ca1bde5781834ed3f04e1ce2a2c0e09c8720360e1102a6.exe File opened for modification C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-font-fms.resources\winmgmts:\localhost\ NlsLexicons001d.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3088 NlsLexicons001d.exe 3088 NlsLexicons001d.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 884 b45e734ae4ddc52234ca1bde5781834ed3f04e1ce2a2c0e09c8720360e1102a6.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeRestorePrivilege 1888 NlsLexicons001d.module.exe Token: 35 1888 NlsLexicons001d.module.exe Token: SeSecurityPrivilege 1888 NlsLexicons001d.module.exe Token: SeSecurityPrivilege 1888 NlsLexicons001d.module.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe Token: SeBackupPrivilege 2968 TiWorker.exe Token: SeRestorePrivilege 2968 TiWorker.exe Token: SeSecurityPrivilege 2968 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 884 wrote to memory of 3088 884 b45e734ae4ddc52234ca1bde5781834ed3f04e1ce2a2c0e09c8720360e1102a6.exe 62 PID 884 wrote to memory of 3088 884 b45e734ae4ddc52234ca1bde5781834ed3f04e1ce2a2c0e09c8720360e1102a6.exe 62 PID 884 wrote to memory of 3088 884 b45e734ae4ddc52234ca1bde5781834ed3f04e1ce2a2c0e09c8720360e1102a6.exe 62 PID 3088 wrote to memory of 1888 3088 NlsLexicons001d.exe 71 PID 3088 wrote to memory of 1888 3088 NlsLexicons001d.exe 71 PID 3088 wrote to memory of 1888 3088 NlsLexicons001d.exe 71 PID 3088 wrote to memory of 2044 3088 NlsLexicons001d.exe 75 PID 3088 wrote to memory of 2044 3088 NlsLexicons001d.exe 75 PID 3088 wrote to memory of 2044 3088 NlsLexicons001d.exe 75 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 2044 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b45e734ae4ddc52234ca1bde5781834ed3f04e1ce2a2c0e09c8720360e1102a6.exe"C:\Users\Admin\AppData\Local\Temp\b45e734ae4ddc52234ca1bde5781834ed3f04e1ce2a2c0e09c8720360e1102a6.exe"1⤵
- NTFS ADS
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:884 -
C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-font-fms.resources\NlsLexicons001d.exeC:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-font-fms.resources\NlsLexicons001d.exe2⤵
- Loads dropped DLL
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3088 -
C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-font-fms.resources\NlsLexicons001d.module.exeC:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-font-fms.resources\NlsLexicons001d.module.exe a -y -mx9 -ssw "C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-font-fms.resources\41646D696E524942435155485157494E5F313058.7z" "C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-font-fms.resources\1\*"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1888
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C:\Windows\SysWOW64\attrib.exeattrib +s +h "C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-font-fms.resources"3⤵
- Views/modifies file attributes
PID:2044
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1448
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3788
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2968
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C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-font-fms.resources\NlsLexicons001d.exeC:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-font-fms.resources\NlsLexicons001d.exe1⤵
- Drops file in System32 directory
PID:884
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C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-font-fms.resources\NlsLexicons001d.exeC:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-font-fms.resources\NlsLexicons001d.exe1⤵
- Drops file in System32 directory
PID:224