Analysis
- max time kernel
143s - max time network
141s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
05/09/2026, 17:17
General
- Target 2026-09-04_1a4ed79e31d601967ac95380a39bd92f_cobalt-strike_icedid_mespinoza_njrat_ryuk_vidar.exe
- Size 819KB
- Sample260905-vt1a2ayfrd
- SHA256 2b99a89be04f409cc43644100db37ea0eb96b83a7343cac23839cc2c4f6dc809
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.
- Drops file in System32 directory 26 IoCs
- Drops file in Program Files directory 64 IoCs
- Drops file in Windows directory 2 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 1 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 42 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
- Modifies data under HKEY_USERS 41 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: LoadsDriver 2 IoCs
- Suspicious use of AdjustPrivilegeToken 24 IoCs
- Suspicious use of WriteProcessMemory 1 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\2026-09-04_1a4ed79e31d601967ac95380a39bd92f_cobalt-strike_icedid_mespinoza_njrat_ryuk_vidar.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-04_1a4ed79e31d601967ac95380a39bd92f_cobalt-strike_icedid_mespinoza_njrat_ryuk_vidar.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\System32\alg.exeC:\Windows\System32\alg.exe1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Program Files directory
- 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
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
-
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
- Drops file in Program Files 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\GameInputSvc.exeC:\Windows\System32\GameInputSvc.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\GameInputSvc.exe"C:\Windows\System32\GameInputSvc.exe" Global\GameInputSession_12⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Windows\System32\msdtc.exeC:\Windows\System32\msdtc.exe1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
-
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\ReFsDedupSvc.exeC:\Windows\System32\ReFsDedupSvc.exe1⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
-
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\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\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
Network
MITRE ATT&CK Enterprise v16
Credential 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
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
dotnet.exe
perfhost.exe
AgentService.exe
GameInputSvc.exe
Locator.exe
ssh-agent.exe
PerceptionSimulationService.exe
ReFsDedupSvc.exe
SearchIndexer.exe
SensorDataService.exe
TieringEngineService.exe
VSSVC.exe
alg.exe
msdtc.exe
snmptrap.exe
vds.exe
WmiApSrv.exe
wbengine.exe
memory/1224-295-0x00007FF746940000-0x00007FF747084000-memory.dmp
memory/1224-359-0x00007FF746940000-0x00007FF747084000-memory.dmp
memory/1224-282-0x0000020234BD0000-0x0000020234C36000-memory.dmp
memory/1224-283-0x0000020234BD0000-0x0000020234C36000-memory.dmp
memory/1604-380-0x00007FF7BD9A0000-0x00007FF7BDACF000-memory.dmp
memory/1604-381-0x00000215AD720000-0x00000215AD786000-memory.dmp
memory/1604-382-0x00000215AD720000-0x00000215AD786000-memory.dmp
memory/1644-379-0x00007FF7FF610000-0x00007FF7FF8B3000-memory.dmp
memory/1644-318-0x00007FF7FF610000-0x00007FF7FF8B3000-memory.dmp
memory/1644-319-0x000001714C670000-0x000001714C6D6000-memory.dmp
memory/1644-320-0x000001714C670000-0x000001714C6D6000-memory.dmp
memory/2172-329-0x000001E4EA2F0000-0x000001E4EA356000-memory.dmp
memory/2172-328-0x00007FF60A400000-0x00007FF60A595000-memory.dmp
memory/2172-330-0x000001E4EA2F0000-0x000001E4EA356000-memory.dmp
memory/2172-387-0x00007FF60A400000-0x00007FF60A595000-memory.dmp
memory/2672-58-0x0000023B2B880000-0x0000023B2B8E6000-memory.dmp
memory/2672-57-0x0000023B2B880000-0x0000023B2B8E6000-memory.dmp
memory/2672-56-0x0000023B2B660000-0x0000023B2B6F5000-memory.dmp
memory/2820-19-0x0000029B36560000-0x0000029B365C6000-memory.dmp
memory/2820-0-0x00007FF71C610000-0x00007FF71C766000-memory.dmp
memory/2820-22-0x00007FF71C610000-0x00007FF71C766000-memory.dmp
memory/2820-2-0x0000029B36560000-0x0000029B365C6000-memory.dmp
memory/2820-1-0x0000029B36560000-0x0000029B365C6000-memory.dmp
memory/2820-3-0x0000029B36560000-0x0000029B365C6000-memory.dmp
memory/2904-337-0x00007FF753AC0000-0x00007FF753DE1000-memory.dmp
memory/2904-339-0x0000023ECDE70000-0x0000023ECDED6000-memory.dmp
memory/2904-343-0x0000023ECDE70000-0x0000023ECDED6000-memory.dmp
memory/2904-338-0x0000023ECDE70000-0x0000023ECDED6000-memory.dmp
memory/2904-345-0x00007FF753AC0000-0x00007FF753DE1000-memory.dmp
memory/2940-37-0x0000023754DE0000-0x0000023754E46000-memory.dmp
memory/2940-34-0x0000023754C20000-0x0000023754CB5000-memory.dmp
memory/2940-36-0x0000023754DE0000-0x0000023754E46000-memory.dmp
memory/2940-35-0x0000023754DE0000-0x0000023754E46000-memory.dmp
memory/3032-358-0x00000287AEE00000-0x00000287AEE66000-memory.dmp
memory/3032-360-0x00000287AEE00000-0x00000287AEE66000-memory.dmp
memory/3032-364-0x00007FF7C2D40000-0x00007FF7C3211000-memory.dmp
memory/3208-234-0x000002EEA04F0000-0x000002EEA0556000-memory.dmp
memory/3208-233-0x000002EEA04F0000-0x000002EEA0556000-memory.dmp
memory/3208-316-0x00007FF6663A0000-0x00007FF666469000-memory.dmp
memory/3208-232-0x00007FF6663A0000-0x00007FF666469000-memory.dmp
memory/3680-368-0x00007FF7C0D80000-0x00007FF7C0E2E000-memory.dmp
memory/3680-289-0x0000024DCB800000-0x0000024DCB866000-memory.dmp
memory/3680-290-0x0000024DCB800000-0x0000024DCB866000-memory.dmp
memory/3680-296-0x00007FF7C0D80000-0x00007FF7C0E2E000-memory.dmp
memory/4088-51-0x000001AA520E0000-0x000001AA52146000-memory.dmp
memory/4088-53-0x00007FF6B9510000-0x00007FF6B9678000-memory.dmp
memory/4088-46-0x000001AA520E0000-0x000001AA52146000-memory.dmp
memory/4088-45-0x000001AA520E0000-0x000001AA52146000-memory.dmp
memory/4088-44-0x00007FF6B9510000-0x00007FF6B9678000-memory.dmp
memory/4092-355-0x0000000000400000-0x00000000004AE000-memory.dmp
memory/4092-276-0x00000000009F0000-0x0000000000A59000-memory.dmp
memory/4092-271-0x00000000009F0000-0x0000000000A59000-memory.dmp
memory/4092-270-0x0000000000400000-0x00000000004AE000-memory.dmp
memory/4412-309-0x000001834CC30000-0x000001834CC96000-memory.dmp
memory/4412-310-0x000001834CC30000-0x000001834CC96000-memory.dmp
memory/4412-376-0x00007FF699EF0000-0x00007FF699FA4000-memory.dmp
memory/4412-308-0x00007FF699EF0000-0x00007FF699FA4000-memory.dmp
memory/4552-367-0x00007FF6EEC20000-0x00007FF6EF127000-memory.dmp
memory/4552-370-0x0000017084DF0000-0x0000017084E56000-memory.dmp
memory/4552-369-0x0000017084DF0000-0x0000017084E56000-memory.dmp
memory/4728-264-0x0000024C6AEC0000-0x0000024C6AF26000-memory.dmp
memory/4728-263-0x0000024C6AEC0000-0x0000024C6AF26000-memory.dmp
memory/4728-348-0x00007FF780B30000-0x00007FF780C7A000-memory.dmp
memory/4728-261-0x00007FF780B30000-0x00007FF780C7A000-memory.dmp
memory/4964-327-0x00007FF6663A0000-0x00007FF666469000-memory.dmp
memory/4964-242-0x00000262D9E60000-0x00000262D9EC6000-memory.dmp
memory/4964-243-0x00000262D9E60000-0x00000262D9EC6000-memory.dmp
memory/4964-241-0x00007FF6663A0000-0x00007FF666469000-memory.dmp
memory/5532-12-0x000001CF6D250000-0x000001CF6D2B6000-memory.dmp
memory/5532-14-0x000001CF6D250000-0x000001CF6D2B6000-memory.dmp
memory/5532-43-0x00007FF68E200000-0x00007FF68E323000-memory.dmp
memory/5532-13-0x000001CF6D250000-0x000001CF6D2B6000-memory.dmp
memory/5532-11-0x00007FF68E200000-0x00007FF68E323000-memory.dmp
memory/5808-300-0x000001F45BF20000-0x000001F45BF86000-memory.dmp
memory/5808-301-0x00007FF7F1C40000-0x00007FF7F2057000-memory.dmp
memory/5808-374-0x00007FF7F1C40000-0x00007FF7F2057000-memory.dmp
memory/5808-411-0x00007FF7F1C40000-0x00007FF7F2057000-memory.dmp
memory/5808-408-0x000001F45BF20000-0x000001F45BF86000-memory.dmp
memory/5808-299-0x000001F45BF20000-0x000001F45BF86000-memory.dmp
memory/5820-407-0x00007FF68D760000-0x00007FF68D9EB000-memory.dmp
memory/5820-351-0x0000022CA02C0000-0x0000022CA0326000-memory.dmp
memory/5820-350-0x0000022CA02C0000-0x0000022CA0326000-memory.dmp
memory/5820-349-0x00007FF68D760000-0x00007FF68D9EB000-memory.dmp
memory/5836-26-0x000002E43AF10000-0x000002E43AF76000-memory.dmp
memory/5836-27-0x000002E43AF10000-0x000002E43AF76000-memory.dmp
memory/5836-25-0x000002E43AD40000-0x000002E43ADD5000-memory.dmp
memory/5836-28-0x000002E43AF10000-0x000002E43AF76000-memory.dmp
memory/5860-390-0x00007FF758730000-0x00007FF758A6F000-memory.dmp
memory/5860-392-0x000001B65CA60000-0x000001B65CAC6000-memory.dmp
memory/5860-391-0x000001B65CA60000-0x000001B65CAC6000-memory.dmp
memory/6116-249-0x00007FF7ED380000-0x00007FF7ED49A000-memory.dmp
memory/6116-251-0x0000017DAE120000-0x0000017DAE186000-memory.dmp
memory/6116-250-0x0000017DAE120000-0x0000017DAE186000-memory.dmp
memory/6116-336-0x00007FF7ED380000-0x00007FF7ED49A000-memory.dmp