Analysis
- max time kernel
8s - max time network
134s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
03/08/2026, 09:14
Static task
static1
Behavioral task
behavioral1
Sample
extension-fix-TE5TV3.hta
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
extension-fix-TE5TV3.hta
Resource
win11ltsc2024-20260709-en
General
- Target extension-fix-TE5TV3.hta
- Size 2KB
- Sample260803-k7tejasgre
- SHA256 f8f744927c38fab305d9ad58984b80084e6a72c695362bbd89ae7d7b5a777ab5
- MD5 86e35d864e4e3f1c5437aaf39f527ba5
- SHA1 b625d035dcade4ad66f58c59914b8b774fedff88
- SHA512 cda78867985e7b540714c6024940ec1bbd7e938bbd1168fdb0f1fd2c38d91b9bf9b6e2a8501f2179a6affde1862fb90bcc456176095071dbf8e79326943c69a5
- TLSH T17551F5E7BA4657C6BC32899B9A7F409D549017436336E0F8E796DC40AF98E4E41383E8
- MD5 SHA1 SHA512 TLSH
Malware Config
Signatures
- Badlisted process makes network request 4 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 6 3376 mshta.exe 7 3376 mshta.exe 9 3376 mshta.exe 10 3376 mshta.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 1708 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 10 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 attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mshta.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1708 cmd.exe 4984 PING.EXE -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch rundll32.exe - Modifies registry class 28 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\History\CachePrefix = "Visited:" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\History rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Content\CachePrefix rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Cookies rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Cookies\CacheVersion = "1" rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Content\CachePrefix rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Content\CacheVersion = "1" rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Cookies\CacheLimit = "1" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\MuiCache rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Content\CachePrefix rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\MuiCache rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Content\CachePrefix rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\History\CachePrefix = "Visited:" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\MuiCache rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Content rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Content\CacheLimit = "51200" rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:" rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\History\CacheVersion = "1" rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\MuiCache rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Extensible Cache rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\History\CacheLimit = "1" rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\History\CachePrefix = "Visited:" rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\History\CachePrefix = "Visited:" rundll32.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 4984 PING.EXE - Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 9 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) - Suspicious use of FindShellTrayWindow 5 IoCs
pid Process 4576 rundll32.exe 4912 rundll32.exe 4748 rundll32.exe 1976 rundll32.exe 3376 mshta.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3376 wrote to memory of 4576 3376 mshta.exe 90 PID 3376 wrote to memory of 4912 3376 mshta.exe 91 PID 4576 wrote to memory of 3300 4576 rundll32.exe 92 PID 4912 wrote to memory of 4572 4912 rundll32.exe 93 PID 3376 wrote to memory of 4748 3376 mshta.exe 94 PID 3376 wrote to memory of 1976 3376 mshta.exe 95 PID 3376 wrote to memory of 2416 3376 mshta.exe 96 PID 1976 wrote to memory of 3996 1976 rundll32.exe 98 PID 4748 wrote to memory of 1328 4748 rundll32.exe 99 - Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 2416 attrib.exe
Processes
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C:\Windows\SysWOW64\mshta.exeC:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\extension-fix-TE5TV3.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}1⤵
- Badlisted process makes network request
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3376 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 82⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4576 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:000000003⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:3300
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 82⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4912 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:000000003⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:4572
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 82⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4748 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:000000003⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:1328
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 82⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1976 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:000000003⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:3996
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C:\Windows\SysWOW64\attrib.exe"C:\Windows\System32\attrib.exe" +h +s "C:\svdqiddi\"2⤵
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:2416
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C:\svdqiddi\svdqiddi.exe"C:\svdqiddi\svdqiddi.exe" C:\svdqiddi\svdqiddi2⤵PID:2340
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 82⤵PID:4116
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:000000003⤵PID:4624
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping -n 300 -w 1000 127.0.0.1 >nul2⤵
- Executes a command shell one-liner
- System Network Configuration Discovery: Internet Connection Discovery
PID:1708 -
C:\Windows\SysWOW64\PING.EXEping -n 300 -w 1000 127.0.0.13⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:4984
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Network
MITRE ATT&CK Enterprise v16
Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\svdqiddi\a1.zip
- Size 494KB
- SHA256 8b6fb68382ee8175dcf7842938dcbc93761e58a99f563daa5d7d5d5578d9f7e9
- MD5 b9408a0ae3534e3c9827952d4a48e059
- SHA1 74e80ec8cb34c62ca3de5104bf981e3da24f2c2b
- SHA512 2bb75c8d20bb0b9d2d39520b7c183bc182fbe0b4562d3e6f79735cd3e8b03ed3eaee287adc2f012acd2360581c6c76a8dafa57e59f1627f8389216d11c980958
- SSDEEP 12288:SxU7hblQnL+/dh+Gez4yOGtBan225oCWp8SrIk:Sq7hblmK/dgGeVlk22aCarIk
- TLSH T186B4231C22C4BD086D3D97FB58539F7405EA6A9E14B8024DE18B73C4ABCEF815F829E5
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\svdqiddi\a2.zip
- Size 1.3MB
- SHA256 142e9d959f98d640553893f52e077fcbe22bfd572c8bd3f79c3b7d6042d29deb
- MD5 cb362ccca268c3b462431c9a1a5fa945
- SHA1 4feca84e65026e01bb156b916e85d69ae3ae0b74
- SHA512 494ab3ed5ab9d692f5ce8cd70dc897c455a72dfef3ac3b70e46f81484e3be323c86def7284312d5d2dd7a25862ef73bf479c5c21582d843048e636c9ae34e448
- SSDEEP 24576:6AuYNwua6NduNqjRt1pSdu4E0mcKptG6lgVT0kQkmSp9QpDH1tMlyaE:6AuSw7Ku4xpSd7m7BlgVQmvQJH1t9
- TLSH T187553355B7EDDF14E07D52A1C9C14ED42EE304ADBFE8CC081AC84788D5D236DA948EBA
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\svdqiddi\a3.zip
- Size 2KB
- SHA256 2b09834573aa7f54f6efd855cc99a9b489cf7623fcf9236d2905791f877d556f
- MD5 8339573ed6c5f539bc5b3e60cad85a43
- SHA1 48bfc68eeabd49a6bcad91f0feecaf5f906a24ff
- SHA512 b22b85df92446182baff9a96310dd48898e63d52bf86df486259e0c9272f271641b236e5f1c8d2c95082f0925bc9edcb42b08b12bf520d8f839fc176be5a08ff
- TLSH T143413AE98E6CBD91D2CE79749E285870953B2EC489C061680FBFEC042120398DA2F42C
- MD5 SHA1 SHA512 TLSH
- Path C:\svdqiddi\svdqiddi
- Size 1.3MB
- SHA256 30af0a4b9b7c7d8cf41c169be3d51c03d9dabd0c18ed699b31850b618b5db55e
- MD5 3acd16edf0a4a2c6ece5bdb47bbfe252
- SHA1 f2c68a96d6233778d1900a859ff089284c1672f2
- SHA512 db484aa924751393a2bb72b482dea0882e2ea077a48f24e9535c1dd4fb49491779832533a50b509770220503952dc01253e62205b3a376ee4660d7c7f3348172
- SSDEEP 24576:wAsYBwwc6NnutqPLth3SduIE0mcKppG2RgzTckokmGpVQpHH3tghysG:wAsiw7WuYn3Sdpm7PRgzIYrQhH3tb
- TLSH T121553355B7EDDF04E0BD51A1D9C14ED42EE304ADBFE8CC081AC84788D5D236DA948EBA
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\svdqiddi\svdqiddi.exe
- Size 957KB
- SHA256 bdd2b7236a110b04c288380ad56e8d7909411da93eed2921301206de0cb0dda1
- MD5 279274f8a137bf31425a9c2c14444b66
- SHA1 6f7f971406854309d94139aa70bdc772308aff52
- SHA512 2e69e99ae2c2f0c3361351853ecfcd1982ea542ef8aff9314e991642f106a87d45479f21f53367ad93b29ce9d98b60706ff9554a9c9d2a793fbed1589b90a85d
- SSDEEP 24576:8SmEH7kpRArkvBz1oxovFDVeAj2HoB3a33rfBH:827kpRA4R1oGDVeQXsrf
- TLSH T11B259E0373D18022FF93A9721E5FE72656BC6D2A0323956F13D81EB9F9305B14A1E672
- MD5 SHA1 SHA512 SSDEEP TLSH