Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
29/10/2026, 22:49
General
- Target 2026-10-28_9ae473615b1cbf9c88b9963ee8bd3f7f_icedid_mespinoza_njrat_ryuk.exe
- Size 1.8MB
- Sample261029-2rpj3sty2n
- SHA256 7b4b5c1204b69141ea3d87d680ca4cdece242f20257103b3e6c8884b205a5db3
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 6 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 12 IoCs
- Drops file in Program Files directory 64 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: LoadsDriver 2 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-10-28_9ae473615b1cbf9c88b9963ee8bd3f7f_icedid_mespinoza_njrat_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-28_9ae473615b1cbf9c88b9963ee8bd3f7f_icedid_mespinoza_njrat_ryuk.exe"1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2026-10-28_9ae473615b1cbf9c88b9963ee8bd3f7f_icedid_mespinoza_njrat_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-28_9ae473615b1cbf9c88b9963ee8bd3f7f_icedid_mespinoza_njrat_ryuk.exe" uninstall2⤵
-
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C:\Windows\System32\alg.exeC:\Windows\System32\alg.exe1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Program Files directory
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
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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
- Suspicious behavior: EnumeratesProcesses
- 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
-
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:\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
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
jmap.exe
jps.exe
jrunscript.exe
jsadebugd.exe
jstack.exe
jstat.exe
jstatd.exe
keytool.exe
kinit.exe
klist.exe
ktab.exe
native2ascii.exe
orbd.exe
dotnet.exe
DiagnosticsHub.StandardCollector.Service.exe
alg.exe
AppVClient.exe
fxssvc.exe
memory/892-64-0x0000000140000000-0x00000001402E9000-memory.dmp
memory/892-62-0x00000000007E0000-0x0000000000840000-memory.dmp
memory/892-56-0x00000000007E0000-0x0000000000840000-memory.dmp
memory/892-251-0x0000000140000000-0x00000001402E9000-memory.dmp
memory/2320-91-0x00000000007D0000-0x0000000000830000-memory.dmp
memory/2320-97-0x00000000007D0000-0x0000000000830000-memory.dmp
memory/2320-167-0x0000000140000000-0x00000001401B9000-memory.dmp
memory/2352-73-0x0000000000890000-0x00000000008F0000-memory.dmp
memory/2352-67-0x0000000000890000-0x00000000008F0000-memory.dmp
memory/2352-161-0x0000000140000000-0x00000001402D4000-memory.dmp
memory/2700-35-0x0000000140000000-0x0000000140192000-memory.dmp
memory/2700-27-0x00000000006A0000-0x0000000000700000-memory.dmp
memory/2700-36-0x00000000006A0000-0x0000000000700000-memory.dmp
memory/3228-87-0x0000000001A50000-0x0000000001AB0000-memory.dmp
memory/3228-89-0x0000000140000000-0x00000001401BF000-memory.dmp
memory/3228-83-0x0000000001A50000-0x0000000001AB0000-memory.dmp
memory/3228-77-0x0000000001A50000-0x0000000001AB0000-memory.dmp
memory/3868-38-0x0000000000440000-0x00000000004A0000-memory.dmp
memory/3868-53-0x0000000140000000-0x00000001401D8000-memory.dmp
memory/3868-1-0x0000000000440000-0x00000000004A0000-memory.dmp
memory/3868-9-0x0000000000440000-0x00000000004A0000-memory.dmp
memory/3868-0-0x0000000140000000-0x00000001401D8000-memory.dmp
memory/3972-49-0x0000000140000000-0x00000001401D8000-memory.dmp
memory/3972-37-0x0000000140000000-0x00000001401D8000-memory.dmp
memory/3972-47-0x0000000001FD0000-0x0000000002030000-memory.dmp
memory/3972-39-0x0000000001FD0000-0x0000000002030000-memory.dmp
memory/3972-45-0x0000000001FD0000-0x0000000002030000-memory.dmp
memory/4228-22-0x0000000000710000-0x0000000000770000-memory.dmp
memory/4228-236-0x0000000140000000-0x0000000140193000-memory.dmp
memory/4228-13-0x0000000140000000-0x0000000140193000-memory.dmp
memory/4228-14-0x0000000000710000-0x0000000000770000-memory.dmp