Overview
overview
7Static
static
3stemanager...up.exe
windows10-2004-x64
7stemanager...up.exe
windows11-ltsc_2024-x64
7$PLUGINSDI...dl.dll
windows10-2004-x64
3$PLUGINSDI...dl.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...nu.dll
windows10-2004-x64
3$PLUGINSDI...nu.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...ls.dll
windows11-ltsc_2024-x64
3stemanagerclient.exe
windows10-2004-x64
stemanagerclient.exe
windows11-ltsc_2024-x64
Analysis
- max time kernel
148s - max time network
145s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
12/08/2026, 00:20
Static task
static1
Behavioral task
behavioral1
Sample
stemanagerclient_3.1.4_arm64-setup.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
stemanagerclient_3.1.4_arm64-setup.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/NSISdl.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/NSISdl.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral13
Sample
stemanagerclient.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
stemanagerclient.exe
Resource
win11ltsc2024-20260709-en
General
- Target stemanagerclient_3.1.4_arm64-setup.exe
- Size 3.5MB
- Sample260812-am97fahe78
- SHA256 b81b89726681e9bd3ad0a481cc60fc53073ed002ba8bfe1c1ea98a442be0445a
- MD5 9fc9b308bfdb564f509dcf14fa3880c0
- SHA1 5df3ae4dae1bcec535a4cf3e5cd2495292b491f1
- SHA512 74bfb8abef465753e40a6c9b92f492e406482d6242ca215632438a62efdc78fac91c50aeadc9ef942cebd2569bcfe0071aa65a320a009f716d3d3f416a0cd573
- SSDEEP 98304:9s64H5kJL25oFb1B2m4SyoDxydP9UhCr42:9s64etFaY9kuhK
- TLSH T178F533435F700F5EC0764AB8A9405C4743A1BEED61A9672353C9F638299BE07C4FEC9A
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Loads dropped DLL 6 IoCs
pid Process 2548 stemanagerclient_3.1.4_arm64-setup.exe 2548 stemanagerclient_3.1.4_arm64-setup.exe 2548 stemanagerclient_3.1.4_arm64-setup.exe 2548 stemanagerclient_3.1.4_arm64-setup.exe 2548 stemanagerclient_3.1.4_arm64-setup.exe 2548 stemanagerclient_3.1.4_arm64-setup.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language stemanagerclient_3.1.4_arm64-setup.exe - Modifies registry class 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\stemanagerclient\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\stemanagerclient\\stemanagerclient.exe\" \"%1\"" stemanagerclient_3.1.4_arm64-setup.exe Key created \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\stemanagerclient stemanagerclient_3.1.4_arm64-setup.exe Set value (str) \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\stemanagerclient\ = "URL:com.stemanager.client protocol" stemanagerclient_3.1.4_arm64-setup.exe Set value (str) \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\stemanagerclient\DefaultIcon\ = "\"C:\\Users\\Admin\\AppData\\Local\\stemanagerclient\\stemanagerclient.exe\",0" stemanagerclient_3.1.4_arm64-setup.exe Key created \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\stemanagerclient\shell stemanagerclient_3.1.4_arm64-setup.exe Set value (str) \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\stemanagerclient\URL Protocol stemanagerclient_3.1.4_arm64-setup.exe Key created \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\stemanagerclient\DefaultIcon stemanagerclient_3.1.4_arm64-setup.exe Key created \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\stemanagerclient\shell\open\command stemanagerclient_3.1.4_arm64-setup.exe Key created \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\stemanagerclient\shell\open stemanagerclient_3.1.4_arm64-setup.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2548 stemanagerclient_3.1.4_arm64-setup.exe 2548 stemanagerclient_3.1.4_arm64-setup.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\stemanagerclient_3.1.4_arm64-setup.exe"C:\Users\Admin\AppData\Local\Temp\stemanagerclient_3.1.4_arm64-setup.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:2548
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nsq622.tmp\System.dll
- Size 12KB
- SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
- MD5 9b38a1b07a0ebc5c7e59e63346ecc2db
- SHA1 97332a2ffcf12a3e3f27e7c05213b5d7faa13735
- SHA512 26e77f8e10f6d8693c92bd036b53a3f6e0c523090ef8dfe479815f556ecd2b57fc90ce9f7cceebe70460d464decb27ad1fe240819fd56997764e96506b6a439c
- SSDEEP 192:kjHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZ40QPi:U/Qlt7wiij/lMRv/9V4b4r
- TLSH T1E8427C1297B089F2F151093419667F2A6FBEAC5D17F405A3CFE304C63D212CB9839243
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nsq622.tmp\modern-wizard.bmp
- Size 25KB
- SHA256 3ad2dc318056d0a2024af1804ea741146cfc18cc404649a44610cbf8b2056cf2
- MD5 cbe40fd2b1ec96daedc65da172d90022
- SHA1 366c216220aa4329dff6c485fd0e9b0f4f0a7944
- SHA512 62990cb16e37b6b4eff6ab03571c3a82dcaa21a1d393c3cb01d81f62287777fb0b4b27f8852b5fa71bc975feab5baa486d33f2c58660210e115de7e2bd34ea63
- SSDEEP 24:Qwika6aSaaDaVYoG6abuJsnZs5GhI11BayNXPcDrSsUWcSphsWwlEWqCl6aHAX2x:Qoi47a5G8SddzKFIcsOz3Xz
- TLSH T139C29757DE6B6EA4BE0804EF1A0694931C71FE211AB0CD0561D2B767B4FC93B19A0B3C
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nsq622.tmp\nsDialogs.dll
- Size 9KB
- SHA256 b1350f487692057c8ffde75dcc55287a52a3272240d4d4912f24464b27551fc0
- MD5 8f0e7415f33843431df308bb8e06af81
- SHA1 1314272e6ad3be1985d4a1607b890a34b0bde8b5
- SHA512 5450b2070c40b257c28ba9a472d762f91b78928d1e8d4d88e0576992065a61fb9a6513006e6b5947c415c9e02ae80a90a85b58da7e016a424331c8cd596ed684
- SSDEEP 96:obEv02zUu56FcS817eTaXx85qHFcUcxSgB5PKtAtoniJninnt3DVEB3YHNqkzfFc:obEvCu5e81785qHFcU0PuAw0uytIFc
- TLSH T19D12F892E2A454B3C5D6523B36AA2F2DCBBD5329B0927C01C7738E4D39395766E38343
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nsq622.tmp\nsis_tauri_utils.dll
- Size 33KB
- SHA256 5ba143b5db4a87d32d6e7802e033330aae56cbceabe0d1e3ba41948385ad4709
- MD5 948eaa3cb78c2dcdd9eb1ab120ae0f65
- SHA1 75197fee3c6a814fe035788d1c34ead39349b860
- SHA512 f7c511e8c73ef6ee9b72c88cd73b2d454a6ffc12144118df2276ea3f5c34175df0d9d15a435035575ca2b171789fe348d7a9028b702b47dda749ee17e03ae7c1
- SSDEEP 768:K/wOD4gzTVpAVk2h5Rsekk55aCukBFKpnp0jdhK7W+qVG:8wODZzTrAV5Oevq4DtXHVG
- TLSH T188F24A48FDC57EBAE2CF05710809467E4A6FC8081700C96BE3722EA3D5A67329ED525F
- MD5 SHA1 SHA512 SSDEEP TLSH