Overview
overview
10Static
static
3Ether Ulti...up.exe
windows10-2004-x64
10Ether Ulti...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
3ether-ulti...er.exe
windows10-2004-x64
10ether-ulti...er.exe
windows11-ltsc_2024-x64
6uninstall.exe
windows10-2004-x64
7uninstall.exe
windows11-ltsc_2024-x64
7Analysis
- max time kernel
120s - max time network
124s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/08/2026, 19:40
Static task
static1
Behavioral task
behavioral1
Sample
Ether Ultimate Optimizer_6.8.7_x64-setup.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Ether Ultimate Optimizer_6.8.7_x64-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
ether-ultimate-optimizer.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
ether-ultimate-optimizer.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral15
Sample
uninstall.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral16
Sample
uninstall.exe
Resource
win11ltsc2024-20260709-en
General
- Target Ether Ultimate Optimizer_6.8.7_x64-setup.exe
- Size 8.2MB
- Sample260807-ydmlsasdmc
- SHA256 8be64ae7c43b8b8ae6c6621e72ff5ac82fc649aba349a7fc3ff1fa3980d1a861
- MD5 95edbdb12049e794e9c63066b71da0ed
- SHA1 b14ded22b61d957f161f4f7af683ee824f295cdf
- SHA512 8d4b91d097a6645b2d3fe49b56497704211303e0b615cce26893d176b81d84fa7321fb5940cc8b57eef62fc5b234f0a70cfe9e20b62f05ea75cb1ce4ecb5c0dc
- SSDEEP 196608:nZb6ZrGtqknPa+g/RlDwv89KOxxZMOzztRT8jnl5N:nZb6Z291gplDUOxxb9RmX
- TLSH T1CD863388B69ACFBAC4107A3317F18B6E906718C718F1431B33D08B5B54B7AA82655F77
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Loads dropped DLL 6 IoCs
pid Process 2508 Ether Ultimate Optimizer_6.8.7_x64-setup.exe 2508 Ether Ultimate Optimizer_6.8.7_x64-setup.exe 2508 Ether Ultimate Optimizer_6.8.7_x64-setup.exe 2508 Ether Ultimate Optimizer_6.8.7_x64-setup.exe 2508 Ether Ultimate Optimizer_6.8.7_x64-setup.exe 2508 Ether Ultimate Optimizer_6.8.7_x64-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 Ether Ultimate Optimizer_6.8.7_x64-setup.exe - Modifies registry class 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\etheroptimizer\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Ether Ultimate Optimizer\\ether-ultimate-optimizer.exe\" \"%1\"" Ether Ultimate Optimizer_6.8.7_x64-setup.exe Key created \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\etheroptimizer Ether Ultimate Optimizer_6.8.7_x64-setup.exe Set value (str) \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\etheroptimizer\URL Protocol Ether Ultimate Optimizer_6.8.7_x64-setup.exe Key created \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\etheroptimizer\shell\open\command Ether Ultimate Optimizer_6.8.7_x64-setup.exe Key created \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\etheroptimizer\shell\open Ether Ultimate Optimizer_6.8.7_x64-setup.exe Set value (str) \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\etheroptimizer\ = "URL:com.etherdev.dev protocol" Ether Ultimate Optimizer_6.8.7_x64-setup.exe Key created \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\etheroptimizer\DefaultIcon Ether Ultimate Optimizer_6.8.7_x64-setup.exe Set value (str) \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\etheroptimizer\DefaultIcon\ = "\"C:\\Users\\Admin\\AppData\\Local\\Ether Ultimate Optimizer\\ether-ultimate-optimizer.exe\",0" Ether Ultimate Optimizer_6.8.7_x64-setup.exe Key created \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\etheroptimizer\shell Ether Ultimate Optimizer_6.8.7_x64-setup.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2508 Ether Ultimate Optimizer_6.8.7_x64-setup.exe 2508 Ether Ultimate Optimizer_6.8.7_x64-setup.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Ether Ultimate Optimizer_6.8.7_x64-setup.exe"C:\Users\Admin\AppData\Local\Temp\Ether Ultimate Optimizer_6.8.7_x64-setup.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:2508
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nso3EE6.tmp\System.dll
- Size 12KB
- SHA256 8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
- MD5 cff85c549d536f651d4fb8387f1976f2
- SHA1 d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
- SHA512 531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88
- SSDEEP 192:Zjvco0qWTlt70m5Aj/lQ0sEWD/wtYbBHFNaDybC7y+XBz0QPi:FHQlt70mij/lQRv/9VMjzr
- TLSH T126426B129BB089F2F591583814667F2A6FBE9C5D27F50563CFE304D63D212CB983A283
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nso3EE6.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\nso3EE6.tmp\nsDialogs.dll
- Size 9KB
- SHA256 56b96add1978b1abba286f7f8982b0efbe007d4a48b3ded6a4d408e01d753fe2
- MD5 6c3f8c94d0727894d706940a8a980543
- SHA1 0d1bcad901be377f38d579aafc0c41c0ef8dcefd
- SHA512 2094f0e4bb7c806a5ff27f83a1d572a5512d979eefda3345baff27d2c89e828f68466d08c3ca250da11b01fc0407a21743037c25e94fbe688566dd7deaebd355
- SSDEEP 96:o0svUu3Uy+sytcS8176b+XR8pCHFcMcxSgB5PKtAtgt+Nt+rnt3DVEB3YcNqkzfS:o0svWyNO81b8pCHFcM0PuAgkOyuIFc
- TLSH T17012F992E6A450B3C5D6533B35AA2F2DCBBD5325B0926C00C7738E4D39395B66E38353
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nso3EE6.tmp\nsis_tauri_utils.dll
- Size 33KB
- SHA256 3697d11bdbe1e34daa26b1e89d84276d9ff28148906943d0fe888354c3b13620
- MD5 acde70f73d3b71b1c4222b763537780d
- SHA1 b053b2e5fdb97257954c8f935d80964f056520ae
- SHA512 598fc58a5f561e7995eccccb065faf2a2386bce0cfc4199fa95ba9fb74e9fcb291914676996c90728dd283223c2180de9fe073a4c936e60fbabe036d7e0a40de
- SSDEEP 768:L8+c2MM0Hxd1fBTsRmMZdauVKAFKpnp0jdhK7R+qVQTxM:L8+DMfHPxAIMtXIVQTx
- TLSH T144F24A18FCC47EB6E6DF0570080D4A7E826FC8181B14CE9BD3A51EA2D5A63729EE501F
- MD5 SHA1 SHA512 SSDEEP TLSH