Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
29/05/2026, 02:55
General
- Target c3898f80626d993a38cbbe8560921779121e889b1550d09c4ae0600d160e4203.exe
- Size 6.8MB
- Sample260529-devzbsbw2w
- SHA256 c3898f80626d993a38cbbe8560921779121e889b1550d09c4ae0600d160e4203
Malware Config
Signatures
- Downloads MZ/PE file 1 IoCs
- Executes dropped EXE 26 IoCs
- Loads dropped DLL 4 IoCs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Drops file in System32 directory 38 IoCs
- Drops file in Program Files directory 64 IoCs
- Drops file in Windows directory 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Checks SCSI registry key(s) 3 TTPs 64 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 4 IoCs
- Modifies data under HKEY_USERS 64 IoCs
- Modifies system certificate store 2 TTPs 3 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: LoadsDriver 2 IoCs
- Suspicious use of AdjustPrivilegeToken 44 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Users\Admin\AppData\Local\Temp\c3898f80626d993a38cbbe8560921779121e889b1550d09c4ae0600d160e4203.exe"C:\Users\Admin\AppData\Local\Temp\c3898f80626d993a38cbbe8560921779121e889b1550d09c4ae0600d160e4203.exe"1⤵
- Downloads MZ/PE file
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\c3898f80626d993a38cbbe8560921779121e889b1550d09c4ae0600d160e4203.exeC:\Users\Admin\AppData\Local\Temp\c3898f80626d993a38cbbe8560921779121e889b1550d09c4ae0600d160e4203.exe --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\crash_count.txt" --url=https://crashstats-collector-2.opera.com/ --annotation=channel=Stable --annotation=plat=Win32 --annotation=prod=OperaDesktop --annotation=ver=131.0.5877.24 --initial-client-data=0x300,0x304,0x308,0x2fc,0x30c,0x907864,0x907870,0x90787c2⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\.opera\d0688a43-0463-4b64-950a-ac31778e1991 Opera Installer Temp\c3898f80626d993a38cbbe8560921779121e889b1550d09c4ae0600d160e4203.exe"C:\Users\Admin\AppData\Local\Temp\.opera\d0688a43-0463-4b64-950a-ac31778e1991 Opera Installer Temp\c3898f80626d993a38cbbe8560921779121e889b1550d09c4ae0600d160e4203.exe" --version2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Temp\.opera\d0688a43-0463-4b64-950a-ac31778e1991 Opera Installer Temp\opera_package_202605290355521\assistant\Assistant_130.0.5847.41_Setup.exe_sfx.exe"C:\Users\Admin\AppData\Local\Temp\.opera\d0688a43-0463-4b64-950a-ac31778e1991 Opera Installer Temp\opera_package_202605290355521\assistant\Assistant_130.0.5847.41_Setup.exe_sfx.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Temp\.opera\d0688a43-0463-4b64-950a-ac31778e1991 Opera Installer Temp\opera_package_202605290355521\assistant\assistant_installer.exe"C:\Users\Admin\AppData\Local\Temp\.opera\d0688a43-0463-4b64-950a-ac31778e1991 Opera Installer Temp\opera_package_202605290355521\assistant\assistant_installer.exe" --version2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\.opera\d0688a43-0463-4b64-950a-ac31778e1991 Opera Installer Temp\opera_package_202605290355521\assistant\assistant_installer.exe"C:\Users\Admin\AppData\Local\Temp\.opera\d0688a43-0463-4b64-950a-ac31778e1991 Opera Installer Temp\opera_package_202605290355521\assistant\assistant_installer.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\crash_count.txt" --url=https://crashstats-collector-2.opera.com/ --annotation=channel=Stable --annotation=plat=Win32 --annotation=prod=OperaDesktop --annotation=ver=130.0.5847.41 --initial-client-data=0x220,0x224,0x228,0x1fc,0x22c,0x1204040,0x120404c,0x12040583⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
-
-
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C:\Windows\System32\alg.exeC:\Windows\System32\alg.exe1⤵
- Executes dropped EXE
-
C:\Windows\system32\DiagSvcs\DiagnosticsHub.StandardCollector.Service.exeC:\Windows\system32\DiagSvcs\DiagnosticsHub.StandardCollector.Service.exe1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv1⤵
-
C:\Windows\system32\fxssvc.exeC:\Windows\system32\fxssvc.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
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C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵
- Executes dropped EXE
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C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"1⤵
- Executes dropped EXE
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C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe"C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe"1⤵
- Executes dropped EXE
-
C:\Windows\System32\msdtc.exeC:\Windows\System32\msdtc.exe1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
-
\??\c:\Program Files\Common Files\Microsoft Shared\Source Engine\OSE.EXE"c:\Program Files\Common Files\Microsoft Shared\Source Engine\OSE.EXE"1⤵
- Executes dropped EXE
-
C:\Windows\system32\PerceptionSimulation\PerceptionSimulationService.exeC:\Windows\system32\PerceptionSimulation\PerceptionSimulationService.exe1⤵
- Executes dropped EXE
-
C:\Windows\SysWow64\perfhost.exeC:\Windows\SysWow64\perfhost.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\system32\locator.exeC:\Windows\system32\locator.exe1⤵
- Executes dropped EXE
-
C:\Windows\System32\SensorDataService.exeC:\Windows\System32\SensorDataService.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
-
C:\Windows\System32\snmptrap.exeC:\Windows\System32\snmptrap.exe1⤵
- Executes dropped EXE
-
C:\Windows\system32\spectrum.exeC:\Windows\system32\spectrum.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
-
C:\Windows\System32\OpenSSH\ssh-agent.exeC:\Windows\System32\OpenSSH\ssh-agent.exe1⤵
- Executes dropped EXE
-
C:\Windows\system32\TieringEngineService.exeC:\Windows\system32\TieringEngineService.exe1⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s SharedRealitySvc1⤵
-
C:\Windows\system32\AgentService.exeC:\Windows\system32\AgentService.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Executes dropped EXE
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Executes dropped EXE
-
C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵
- Executes dropped EXE
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C:\Windows\system32\SearchIndexer.exeC:\Windows\system32\SearchIndexer.exe /Embedding1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\SearchProtocolHost.exe"C:\Windows\system32\SearchProtocolHost.exe" Global\UsGthrFltPipeMssGthrPipe1_ Global\UsGthrCtrlFltPipeMssGthrPipe1 1 -2147483646 "Software\Microsoft\Windows Search" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT; MS Search 4.0 Robot)" "C:\ProgramData\Microsoft\Search\Data\Temp\usgthrsvc" "DownLevelDaemon"2⤵
- Modifies data under HKEY_USERS
-
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C:\Windows\system32\SearchFilterHost.exe"C:\Windows\system32\SearchFilterHost.exe" 0 800 804 812 8192 808 7842⤵
- Modifies data under HKEY_USERS
-
Network
MITRE ATT&CK Enterprise v16
Defense Evasion
Modify Registry
1Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
elevation_service.exe
maintenanceservice.exe
7z.exe
7zFM.exe
7zG.exe
Uninstall.exe
AppVShNotify.exe
IntegratedOffice.exe
MavInject32.exe
OfficeC2RClient.exe
appvcleaner.exe
LICLUA.EXE
OSE.EXE
VSTOInstaller.exe
chrmstp.exe
setup.exe
chrome_pwa_launcher.exe
elevated_tracing_service.exe
elevation_service.exe
notification_helper.exe
os_update_handler.exe
chrome_proxy.exe
wmpnetwk.exe
dotnet.exe
c3898f80626d993a38cbbe8560921779121e889b1550d09c4ae0600d160e4203.exe
additional_file0.tmp
assistant_installer.exe
dbgcore.DLL
dbghelp.dll
9103f940a19fe9b3.bin
48953f28-7403-46d0-8698-e37ba3a14503.dmp
settings.dat
perfhost.exe
AgentService.exe
DiagnosticsHub.StandardCollector.Service.exe
FXSSVC.exe
Locator.exe
ssh-agent.exe
PerceptionSimulationService.exe
SearchIndexer.exe
SensorDataService.exe
Spectrum.exe
TieringEngineService.exe
VSSVC.exe
alg.exe
msdtc.exe
snmptrap.exe
vds.exe
WmiApSrv.exe
wbengine.exe
AppVClient.exe
SgrmBroker.exe
msiexec.exe
memory/944-470-0x0000000140000000-0x0000000140216000-memory.dmp
memory/944-195-0x0000000140000000-0x0000000140216000-memory.dmp
memory/1204-114-0x0000000140000000-0x00000001400A9000-memory.dmp
memory/1204-34-0x0000000140000000-0x00000001400A9000-memory.dmp
memory/1204-26-0x00000000004C0000-0x0000000000520000-memory.dmp
memory/1204-35-0x00000000004C0000-0x0000000000520000-memory.dmp
memory/1308-129-0x0000000000520000-0x0000000000586000-memory.dmp
memory/1308-133-0x0000000000520000-0x0000000000586000-memory.dmp
memory/1308-139-0x0000000000400000-0x0000000000497000-memory.dmp
memory/1308-194-0x0000000000400000-0x0000000000497000-memory.dmp
memory/1500-183-0x0000000140000000-0x00000001401C0000-memory.dmp
memory/1500-184-0x0000000140000000-0x00000001401C0000-memory.dmp
memory/1540-172-0x0000000000CA0000-0x0000000000D00000-memory.dmp
memory/1540-166-0x0000000000CA0000-0x0000000000D00000-memory.dmp
memory/1540-175-0x0000000140000000-0x0000000140102000-memory.dmp
memory/1540-402-0x0000000140000000-0x0000000140102000-memory.dmp
memory/2172-0-0x00000000029A0000-0x0000000002A06000-memory.dmp
memory/2172-496-0x0000000000400000-0x0000000000AFE000-memory.dmp
memory/2172-8-0x00000000029A0000-0x0000000002A06000-memory.dmp
memory/2172-7-0x0000000000400000-0x0000000000AFE000-memory.dmp
memory/2172-85-0x0000000000400000-0x0000000000AFE000-memory.dmp
memory/2296-357-0x0000000140000000-0x0000000140169000-memory.dmp
memory/2296-153-0x00000000006F0000-0x0000000000750000-memory.dmp
memory/2296-159-0x00000000006F0000-0x0000000000750000-memory.dmp
memory/2296-162-0x0000000140000000-0x0000000140169000-memory.dmp
memory/2332-22-0x0000000000400000-0x0000000000AFE000-memory.dmp
memory/2332-14-0x0000000002730000-0x0000000002796000-memory.dmp
memory/2332-113-0x0000000000400000-0x0000000000AFE000-memory.dmp
memory/2332-19-0x0000000002730000-0x0000000002796000-memory.dmp
memory/2940-174-0x0000000140000000-0x00000001402D4000-memory.dmp
memory/2940-75-0x0000000140000000-0x00000001402D4000-memory.dmp
memory/2940-72-0x0000000000890000-0x00000000008F0000-memory.dmp
memory/2940-66-0x0000000000890000-0x00000000008F0000-memory.dmp
memory/2984-63-0x0000000140000000-0x00000001402E9000-memory.dmp
memory/2984-61-0x0000000000C50000-0x0000000000CB0000-memory.dmp
memory/2984-161-0x0000000140000000-0x00000001402E9000-memory.dmp
memory/2984-55-0x0000000000C50000-0x0000000000CB0000-memory.dmp
memory/3164-179-0x0000000140000000-0x00000001400E2000-memory.dmp
memory/3164-417-0x0000000140000000-0x00000001400E2000-memory.dmp
memory/3224-203-0x0000000140000000-0x00000001401D7000-memory.dmp
memory/3224-147-0x0000000140000000-0x00000001401D7000-memory.dmp
memory/3224-366-0x0000000140000000-0x00000001401D7000-memory.dmp
memory/3340-107-0x00000000007F0000-0x0000000000850000-memory.dmp
memory/3340-101-0x00000000007F0000-0x0000000000850000-memory.dmp
memory/3340-111-0x0000000140000000-0x00000001400CF000-memory.dmp
memory/3340-187-0x0000000140000000-0x00000001400CF000-memory.dmp
memory/3872-135-0x0000000140000000-0x00000001400AB000-memory.dmp
memory/3872-121-0x0000000000B80000-0x0000000000BE0000-memory.dmp
memory/3872-115-0x0000000000B80000-0x0000000000BE0000-memory.dmp
memory/3872-188-0x0000000140000000-0x00000001400AB000-memory.dmp
memory/4528-471-0x0000000140000000-0x00000001400C6000-memory.dmp
memory/4528-200-0x0000000140000000-0x00000001400C6000-memory.dmp
memory/4544-182-0x0000000140000000-0x00000001400B9000-memory.dmp
memory/4544-93-0x0000000140000000-0x00000001400B9000-memory.dmp
memory/4548-144-0x0000000140000000-0x0000000140095000-memory.dmp
memory/4548-199-0x0000000140000000-0x0000000140095000-memory.dmp
memory/4552-297-0x0000000009E70000-0x0000000009E78000-memory.dmp
memory/4552-472-0x0000000140000000-0x0000000140179000-memory.dmp
memory/4552-229-0x0000000001780000-0x0000000001790000-memory.dmp
memory/4552-245-0x0000000001A30000-0x0000000001A40000-memory.dmp
memory/4552-204-0x0000000140000000-0x0000000140179000-memory.dmp
memory/4568-40-0x0000000002760000-0x00000000027C6000-memory.dmp
memory/4568-51-0x0000000000400000-0x0000000000AFE000-memory.dmp
memory/4568-143-0x0000000000400000-0x0000000000AFE000-memory.dmp
memory/4568-45-0x0000000002760000-0x00000000027C6000-memory.dmp
memory/4572-110-0x0000000140000000-0x00000001400AA000-memory.dmp
memory/4572-13-0x0000000140000000-0x00000001400AA000-memory.dmp
memory/4776-151-0x0000000140000000-0x0000000140096000-memory.dmp
memory/4776-272-0x0000000140000000-0x0000000140096000-memory.dmp
memory/4868-191-0x0000000140000000-0x00000001401FC000-memory.dmp
memory/4868-469-0x0000000140000000-0x00000001401FC000-memory.dmp
memory/4932-189-0x0000000140000000-0x0000000140147000-memory.dmp
memory/4932-463-0x0000000140000000-0x0000000140147000-memory.dmp
memory/4936-83-0x00000000016E0000-0x0000000001740000-memory.dmp
memory/4936-91-0x0000000140000000-0x00000001400D5000-memory.dmp
memory/4936-89-0x00000000016E0000-0x0000000001740000-memory.dmp
memory/4936-77-0x00000000016E0000-0x0000000001740000-memory.dmp
memory/4936-86-0x0000000140000000-0x00000001400D5000-memory.dmp
memory/4980-94-0x0000000140000000-0x0000000140135000-memory.dmp
memory/4980-53-0x0000000140000000-0x0000000140135000-memory.dmp
memory/5192-532-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-544-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-526-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-529-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-528-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-527-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-530-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-539-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-538-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-537-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-536-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-535-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-534-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-533-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-524-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-531-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-540-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-541-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-542-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-525-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-545-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-543-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-546-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-548-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-550-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-549-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-553-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-555-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-554-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-556-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-561-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-560-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-559-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-558-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-557-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-552-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-551-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp
memory/5192-547-0x000001F94CCC0000-0x000001F94CCD0000-memory.dmp