Analysis
- max time kernel
148s - max time network
146s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
26/04/2026, 13:50
General
- Target 2026-04-26_7d06159ccc36c9731ac9a17245d58883_glassworm_mespinoza.exe
- Size 8.3MB
- Sample260426-q5g7dafy21
- SHA256 76e72e2a3b36ff08045096acad05a6858771b81853c979ddb89b1f07d4ea7cf7
Malware Config
Signatures
- Executes dropped EXE 14 IoCs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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 34 IoCs
- Drops file in Program Files directory 64 IoCs
- Drops file in Windows directory 4 IoCs
- 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 3 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 5 IoCs
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: LoadsDriver 2 IoCs
- Suspicious use of AdjustPrivilegeToken 7 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-26_7d06159ccc36c9731ac9a17245d58883_glassworm_mespinoza.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-26_7d06159ccc36c9731ac9a17245d58883_glassworm_mespinoza.exe"1⤵
- Checks system information in the registry
- Drops file in System32 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\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s SharedRealitySvc1⤵
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
javapackager.exe
javaw.exe
javaws.exe
jcmd.exe
jconsole.exe
jdb.exe
jdeps.exe
jhat.exe
jinfo.exe
jjs.exe
dotnet.exe
perfhost.exe
DiagnosticsHub.StandardCollector.Service.exe
FXSSVC.exe
Locator.exe
ssh-agent.exe
PerceptionSimulationService.exe
SensorDataService.exe
Spectrum.exe
alg.exe
msdtc.exe
snmptrap.exe
AppVClient.exe
SgrmBroker.exe
StructuredQuerySchema.bin
msiexec.exe
memory/900-40-0x00007FFCE6F40000-0x00007FFCE7149000-memory.dmp
memory/900-50-0x00007FFCA4C20000-0x00007FFCA4C30000-memory.dmp
memory/900-1-0x00000000020C0000-0x0000000002120000-memory.dmp
memory/900-9-0x00000000020C0000-0x0000000002120000-memory.dmp
memory/900-41-0x00007FFCE6F40000-0x00007FFCE7149000-memory.dmp
memory/900-145-0x00007FFCE6F40000-0x00007FFCE7149000-memory.dmp
memory/900-22-0x00007FFCA48E0000-0x00007FFCA48F0000-memory.dmp
memory/900-44-0x00007FFCE6F40000-0x00007FFCE7149000-memory.dmp
memory/900-29-0x00007FFCA6FD0000-0x00007FFCA6FE0000-memory.dmp
memory/900-45-0x00007FFCA6FD0000-0x00007FFCA6FE0000-memory.dmp
memory/900-0-0x0000000140000000-0x0000000140852000-memory.dmp
memory/900-39-0x00007FFCA6FD0000-0x00007FFCA6FE0000-memory.dmp
memory/900-31-0x00007FFCE6FE4000-0x00007FFCE6FE5000-memory.dmp
memory/900-98-0x0000000140000000-0x0000000140852000-memory.dmp
memory/900-28-0x00007FFCA6FD0000-0x00007FFCA6FE0000-memory.dmp
memory/900-217-0x00007FFCE6F40000-0x00007FFCE7149000-memory.dmp
memory/900-216-0x0000000140000000-0x0000000140852000-memory.dmp
memory/900-161-0x00007FFCE6F40000-0x00007FFCE7149000-memory.dmp
memory/900-162-0x00007FFCE6F40000-0x00007FFCE7149000-memory.dmp
memory/900-30-0x00007FFCA6FD0000-0x00007FFCA6FE0000-memory.dmp
memory/900-201-0x00000000020C0000-0x0000000002120000-memory.dmp
memory/900-205-0x00007FFCA6FD0000-0x00007FFCA6FE0000-memory.dmp
memory/900-204-0x00007FFCA6FD0000-0x00007FFCA6FE0000-memory.dmp
memory/900-203-0x00007FFCA6FD0000-0x00007FFCA6FE0000-memory.dmp
memory/900-202-0x00007FFCA6FD0000-0x00007FFCA6FE0000-memory.dmp
memory/1404-146-0x0000000000400000-0x00000000005D6000-memory.dmp
memory/1404-368-0x0000000000400000-0x00000000005D6000-memory.dmp
memory/1592-159-0x0000000000760000-0x00000000007C0000-memory.dmp
memory/1592-369-0x0000000140000000-0x00000001401D5000-memory.dmp
memory/1592-164-0x0000000140000000-0x00000001401D5000-memory.dmp
memory/2524-375-0x0000000140000000-0x0000000140149000-memory.dmp
memory/2524-196-0x0000000000780000-0x00000000007E0000-memory.dmp
memory/2524-199-0x0000000140000000-0x0000000140149000-memory.dmp
memory/3352-139-0x0000000140000000-0x0000000140209000-memory.dmp
memory/3352-140-0x0000000000BC0000-0x0000000000C20000-memory.dmp
memory/3352-367-0x0000000140000000-0x0000000140209000-memory.dmp
memory/3352-133-0x0000000000BC0000-0x0000000000C20000-memory.dmp
memory/4376-175-0x0000000140000000-0x00000001401C1000-memory.dmp
memory/4376-374-0x0000000140000000-0x00000001401C1000-memory.dmp
memory/4376-372-0x00000000004D0000-0x0000000000530000-memory.dmp
memory/4376-173-0x00000000004D0000-0x0000000000530000-memory.dmp
memory/4376-370-0x0000000140000000-0x00000001401C1000-memory.dmp
memory/4376-167-0x00000000004D0000-0x0000000000530000-memory.dmp
memory/4984-73-0x0000000140000000-0x00000001402E9000-memory.dmp
memory/4984-62-0x0000000000780000-0x00000000007E0000-memory.dmp
memory/4984-68-0x0000000000780000-0x00000000007E0000-memory.dmp
memory/4984-198-0x0000000140000000-0x00000001402E9000-memory.dmp
memory/5024-365-0x0000000140000000-0x00000001401F9000-memory.dmp
memory/5024-107-0x0000000000D60000-0x0000000000DC0000-memory.dmp
memory/5024-106-0x0000000140000000-0x00000001401F9000-memory.dmp
memory/5024-113-0x0000000000D60000-0x0000000000DC0000-memory.dmp
memory/5224-129-0x0000000140000000-0x000000014020E000-memory.dmp
memory/5224-127-0x0000000000850000-0x00000000008B0000-memory.dmp
memory/5224-366-0x0000000140000000-0x000000014020E000-memory.dmp
memory/5224-121-0x0000000000850000-0x00000000008B0000-memory.dmp
memory/5428-14-0x0000000000790000-0x00000000007F0000-memory.dmp
memory/5428-24-0x0000000000790000-0x00000000007F0000-memory.dmp
memory/5428-132-0x0000000140000000-0x00000001401E9000-memory.dmp
memory/5428-23-0x0000000140000000-0x00000001401E9000-memory.dmp
memory/5724-33-0x0000000000760000-0x00000000007C0000-memory.dmp
memory/5724-42-0x0000000000760000-0x00000000007C0000-memory.dmp
memory/5724-48-0x0000000140000000-0x00000001401E9000-memory.dmp
memory/5724-163-0x00007FFCE6F40000-0x00007FFCE7149000-memory.dmp
memory/5724-46-0x00007FFCE6F40000-0x00007FFCE7149000-memory.dmp
memory/5876-87-0x0000000140000000-0x00000001402D4000-memory.dmp
memory/5876-83-0x00000000008F0000-0x0000000000950000-memory.dmp
memory/5876-77-0x00000000008F0000-0x0000000000950000-memory.dmp
memory/5876-230-0x0000000140000000-0x00000001402D4000-memory.dmp
memory/5888-51-0x0000000140000000-0x0000000140136000-memory.dmp
memory/5888-72-0x0000000140000000-0x0000000140136000-memory.dmp
memory/5888-70-0x00000000009C0000-0x0000000000A20000-memory.dmp
memory/5888-58-0x00000000009C0000-0x0000000000A20000-memory.dmp
memory/5888-52-0x00000000009C0000-0x0000000000A20000-memory.dmp
memory/6000-104-0x0000000140000000-0x0000000140214000-memory.dmp
memory/6000-96-0x0000000001B20000-0x0000000001B80000-memory.dmp
memory/6000-90-0x0000000001B20000-0x0000000001B80000-memory.dmp
memory/6000-101-0x0000000001B20000-0x0000000001B80000-memory.dmp
memory/6000-99-0x0000000140000000-0x0000000140214000-memory.dmp
memory/6016-185-0x0000000000750000-0x00000000007B0000-memory.dmp
memory/6016-187-0x0000000140000000-0x00000001401D7000-memory.dmp
memory/6016-179-0x0000000000750000-0x00000000007B0000-memory.dmp
memory/6016-371-0x0000000140000000-0x00000001401D7000-memory.dmp