Analysis
- max time kernel
149s - max time network
157s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
19/05/2026, 15:47
General
- Target 2026-05-19_443a0cc8e0eed583d039277fe1337dd9_glassworm_mespinoza.exe
- Size 8.3MB
- Sample260519-s8a9caaz4r
- SHA256 f02edc710405a8e69d7b95f8e607acaf188fcfa3d065290a94098b8718772d7c
Malware Config
Signatures
- Executes dropped EXE 22 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 48 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Checks system information in the registry 2 TTPs 2 IoCs
System information is often read in order to detect sandboxing environments.
- Drops file in System32 directory 42 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).
- 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 5 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- Modifies data under HKEY_USERS 64 IoCs
- Suspicious behavior: EnumeratesProcesses 7 IoCs
- Suspicious behavior: LoadsDriver 2 IoCs
- Suspicious use of AdjustPrivilegeToken 19 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 3 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\2026-05-19_443a0cc8e0eed583d039277fe1337dd9_glassworm_mespinoza.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-19_443a0cc8e0eed583d039277fe1337dd9_glassworm_mespinoza.exe"1⤵
- Checks system information in the registry
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
C:\Windows\System32\alg.exeC:\Windows\System32\alg.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\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 behavior: EnumeratesProcesses
- 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
-
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
-
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
-
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
-
C:\Windows\system32\locator.exeC:\Windows\system32\locator.exe1⤵
- Executes dropped EXE
-
C:\Windows\System32\SensorDataService.exeC:\Windows\System32\SensorDataService.exe1⤵
- Executes dropped EXE
- Drops file in System32 directory
- 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
- Drops file in System32 directory
- 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
- Suspicious use of AdjustPrivilegeToken
-
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
-
C:\Windows\system32\SearchIndexer.exeC:\Windows\system32\SearchIndexer.exe /Embedding1⤵
- Executes dropped EXE
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
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
-
-
C:\Windows\system32\SearchFilterHost.exe"C:\Windows\system32\SearchFilterHost.exe" 944 2820 2940 924 {0E5DCEC5-7795-4E38-9621-94DFD9F9A421}2⤵
- Modifies data under HKEY_USERS
-
-
C:\Windows\system32\SearchFilterHost.exe"C:\Windows\system32\SearchFilterHost.exe" 944 2888 2948 924 {85EE815A-7738-4808-A14A-3AD87E32A3BF}2⤵
- Modifies data under HKEY_USERS
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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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
appletviewer.exe
extcheck.exe
idlj.exe
jabswitch.exe
jar.exe
jarsigner.exe
java-rmi.exe
java.exe
javac.exe
javadoc.exe
javafxpackager.exe
javah.exe
javap.exe
wmpnetwk.exe
dotnet.exe
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
StructuredQuerySchema.bin
msiexec.exe
memory/236-118-0x00000000008B0000-0x0000000000910000-memory.dmp
memory/236-124-0x00000000008B0000-0x0000000000910000-memory.dmp
memory/236-127-0x0000000140000000-0x00000001400CF000-memory.dmp
memory/400-135-0x0000000000BD0000-0x0000000000C30000-memory.dmp
memory/400-139-0x0000000140000000-0x00000001400CA000-memory.dmp
memory/400-247-0x0000000140000000-0x00000001400CA000-memory.dmp
memory/400-129-0x0000000000BD0000-0x0000000000C30000-memory.dmp
memory/1096-258-0x0000000000D00000-0x0000000000D60000-memory.dmp
memory/1096-279-0x0000000140000000-0x0000000140216000-memory.dmp
memory/1096-264-0x0000000000D00000-0x0000000000D60000-memory.dmp
memory/1096-488-0x0000000140000000-0x0000000140216000-memory.dmp
memory/1252-228-0x0000000140000000-0x00000001400BA000-memory.dmp
memory/1252-106-0x0000000140000000-0x00000001400BA000-memory.dmp
memory/1252-113-0x0000000000800000-0x0000000000860000-memory.dmp
memory/1252-107-0x0000000000800000-0x0000000000860000-memory.dmp
memory/1524-87-0x0000000000DD0000-0x0000000000E30000-memory.dmp
memory/1524-90-0x0000000140000000-0x0000000140136000-memory.dmp
memory/1524-50-0x0000000140000000-0x0000000140136000-memory.dmp
memory/1524-52-0x0000000000DD0000-0x0000000000E30000-memory.dmp
memory/1524-58-0x0000000000DD0000-0x0000000000E30000-memory.dmp
memory/1976-92-0x0000000001660000-0x00000000016C0000-memory.dmp
memory/1976-99-0x0000000001660000-0x00000000016C0000-memory.dmp
memory/1976-104-0x0000000140000000-0x00000001400D5000-memory.dmp
memory/1976-91-0x0000000140000000-0x00000001400D5000-memory.dmp
memory/1976-102-0x0000000001660000-0x00000000016C0000-memory.dmp
memory/2156-70-0x0000000140000000-0x00000001402E9000-memory.dmp
memory/2156-68-0x0000000000CB0000-0x0000000000D10000-memory.dmp
memory/2156-62-0x0000000000CB0000-0x0000000000D10000-memory.dmp
memory/2156-189-0x0000000140000000-0x00000001402E9000-memory.dmp
memory/2428-191-0x00000000007B0000-0x0000000000810000-memory.dmp
memory/2428-465-0x0000000140000000-0x0000000140149000-memory.dmp
memory/2428-183-0x00000000007B0000-0x0000000000810000-memory.dmp
memory/2428-190-0x0000000140000000-0x0000000140149000-memory.dmp
memory/2436-145-0x0000000000400000-0x0000000000497000-memory.dmp
memory/2436-278-0x0000000000400000-0x0000000000497000-memory.dmp
memory/2488-24-0x00000000007E0000-0x0000000000840000-memory.dmp
memory/2488-22-0x00000000007E0000-0x0000000000840000-memory.dmp
memory/2488-137-0x0000000140000000-0x00000001400AA000-memory.dmp
memory/2488-21-0x0000000140000000-0x00000001400AA000-memory.dmp
memory/2488-15-0x00000000007E0000-0x0000000000840000-memory.dmp
memory/2580-332-0x000000000A520000-0x000000000A528000-memory.dmp
memory/2580-283-0x0000000000910000-0x0000000000970000-memory.dmp
memory/2580-489-0x0000000140000000-0x0000000140172000-memory.dmp
memory/2580-291-0x0000000140000000-0x0000000140172000-memory.dmp
memory/2580-289-0x0000000000910000-0x0000000000970000-memory.dmp
memory/2580-299-0x0000000001C30000-0x0000000001C40000-memory.dmp
memory/2580-315-0x0000000001EE0000-0x0000000001EF0000-memory.dmp
memory/2648-148-0x0000000000780000-0x00000000007E0000-memory.dmp
memory/2648-154-0x0000000000780000-0x00000000007E0000-memory.dmp
memory/2648-165-0x0000000140000000-0x0000000140096000-memory.dmp
memory/3012-481-0x0000000140000000-0x00000001400E3000-memory.dmp
memory/3012-217-0x0000000140000000-0x00000001400E3000-memory.dmp
memory/3012-215-0x00000000007E0000-0x0000000000840000-memory.dmp
memory/3208-205-0x0000000140000000-0x00000001402D4000-memory.dmp
memory/3208-81-0x00000000008F0000-0x0000000000950000-memory.dmp
memory/3208-85-0x0000000140000000-0x00000001402D4000-memory.dmp
memory/3208-74-0x00000000008F0000-0x0000000000950000-memory.dmp
memory/3220-544-0x000001AD70DD0000-0x000001AD70DE0000-memory.dmp
memory/3220-546-0x000001AD70DD0000-0x000001AD70DE0000-memory.dmp
memory/3220-548-0x000001AD70DD0000-0x000001AD70DE0000-memory.dmp
memory/3220-547-0x000001AD70DD0000-0x000001AD70DE0000-memory.dmp
memory/3220-545-0x000001AD70DD0000-0x000001AD70DE0000-memory.dmp
memory/3220-549-0x000001AD70DD0000-0x000001AD70DE0000-memory.dmp
memory/3248-203-0x0000000000CE0000-0x0000000000D40000-memory.dmp
memory/3248-480-0x0000000140000000-0x0000000140102000-memory.dmp
memory/3248-197-0x0000000000CE0000-0x0000000000D40000-memory.dmp
memory/3248-206-0x0000000140000000-0x0000000140102000-memory.dmp
memory/3472-482-0x0000000140000000-0x0000000140147000-memory.dmp
memory/3472-242-0x0000000000BE0000-0x0000000000C40000-memory.dmp
memory/3472-244-0x0000000140000000-0x0000000140147000-memory.dmp
memory/3652-46-0x00007FF983860000-0x00007FF983A69000-memory.dmp
memory/3652-164-0x00007FF983860000-0x00007FF983A69000-memory.dmp
memory/3652-43-0x0000000000730000-0x0000000000790000-memory.dmp
memory/3652-47-0x0000000140000000-0x00000001400AA000-memory.dmp
memory/3652-37-0x0000000000730000-0x0000000000790000-memory.dmp
memory/3732-248-0x00000000006B0000-0x0000000000710000-memory.dmp
memory/3732-483-0x0000000140000000-0x00000001401F6000-memory.dmp
memory/3732-276-0x0000000140000000-0x00000001401F6000-memory.dmp
memory/3732-254-0x00000000006B0000-0x0000000000710000-memory.dmp
memory/3960-233-0x0000000140000000-0x00000001401AD000-memory.dmp
memory/3960-231-0x0000000000BE0000-0x0000000000C40000-memory.dmp
memory/3960-229-0x0000000140000000-0x00000001401AD000-memory.dmp
memory/3960-220-0x0000000000BE0000-0x0000000000C40000-memory.dmp
memory/3960-226-0x0000000000BE0000-0x0000000000C40000-memory.dmp
memory/4120-342-0x0000000140000000-0x0000000140098000-memory.dmp
memory/4120-178-0x00000000007E0000-0x0000000000840000-memory.dmp
memory/4120-180-0x0000000140000000-0x0000000140098000-memory.dmp
memory/4192-487-0x0000000140000000-0x00000001401C1000-memory.dmp
memory/4192-341-0x0000000140000000-0x00000001401C1000-memory.dmp
memory/4192-167-0x0000000000550000-0x00000000005B0000-memory.dmp
memory/4192-158-0x0000000000550000-0x00000000005B0000-memory.dmp
memory/4192-166-0x0000000140000000-0x00000001401C1000-memory.dmp
memory/4192-484-0x0000000000550000-0x00000000005B0000-memory.dmp
memory/5000-26-0x00007FF9438F0000-0x00007FF943900000-memory.dmp
memory/5000-508-0x0000000001F80000-0x0000000001FE0000-memory.dmp
memory/5000-45-0x00007FF983860000-0x00007FF983A69000-memory.dmp
memory/5000-0-0x0000000140000000-0x0000000140852000-memory.dmp
memory/5000-33-0x00007FF9438F0000-0x00007FF943900000-memory.dmp
memory/5000-29-0x00007FF9438F0000-0x00007FF943900000-memory.dmp
memory/5000-30-0x00007FF9438F0000-0x00007FF943900000-memory.dmp
memory/5000-31-0x00007FF983904000-0x00007FF983905000-memory.dmp
memory/5000-84-0x0000000140000000-0x0000000140852000-memory.dmp
memory/5000-36-0x00007FF9438F0000-0x00007FF943900000-memory.dmp
memory/5000-35-0x00007FF983860000-0x00007FF983A69000-memory.dmp
memory/5000-144-0x00007FF983860000-0x00007FF983A69000-memory.dmp
memory/5000-526-0x0000000140000000-0x0000000140852000-memory.dmp
memory/5000-51-0x00007FF9416D0000-0x00007FF9416E0000-memory.dmp
memory/5000-13-0x00007FF940F20000-0x00007FF940F30000-memory.dmp
memory/5000-2-0x0000000001F80000-0x0000000001FE0000-memory.dmp
memory/5000-501-0x00007FF9438F0000-0x00007FF943900000-memory.dmp
memory/5000-500-0x00007FF9438F0000-0x00007FF943900000-memory.dmp
memory/5000-499-0x00007FF9438F0000-0x00007FF943900000-memory.dmp
memory/5000-498-0x00007FF9438F0000-0x00007FF943900000-memory.dmp
memory/5000-9-0x0000000001F80000-0x0000000001FE0000-memory.dmp
memory/5000-32-0x00007FF983860000-0x00007FF983A69000-memory.dmp
memory/5000-543-0x00007FF983860000-0x00007FF983A69000-memory.dmp
memory/5028-486-0x0000000140000000-0x00000001400C2000-memory.dmp
memory/5028-268-0x0000000000770000-0x00000000007D0000-memory.dmp
memory/5028-277-0x0000000140000000-0x00000001400C2000-memory.dmp
memory/5028-274-0x0000000000770000-0x00000000007D0000-memory.dmp