Analysis
- max time kernel
11s - max time network
152s - 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, 09:13
Static task
static1
Behavioral task
behavioral1
Sample
extension-fix-ODK2IJ.hta
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
extension-fix-ODK2IJ.hta
Resource
win11ltsc2024-20260709-en
General
- Target extension-fix-ODK2IJ.hta
- Size 3KB
- Sample260803-k65feafb98
- SHA256 ea78e2ec6c7ef22f14e292f17ccc6239be013fd35f87008c900e18940de59cf5
- MD5 9ebbf58eb505bdda4cf91e3282853d4c
- SHA1 51cf6a8ced13487b28760618c5a0cb1f1c459f97
- SHA512 0a0641516c448cdc929d33c70ceef63e8d79278fd5a17326333e059ee2b80aa1d73b134be78e8e548814e0a3e4bd75f0488c698466bbcfb7f495ab5e38451cdd
- TLSH T1356147F7794A51CABC3198AB1A2F50CE54942B022361E4F8F696DC00EF9DF9D81747D8
- MD5 SHA1 SHA512 TLSH
Malware Config
Signatures
- Badlisted process makes network request 5 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 2 5844 mshta.exe 3 5844 mshta.exe 4 5844 mshta.exe 5 5844 mshta.exe 6 5844 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 2204 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 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 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 attrib.exe - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2204 cmd.exe 1620 PING.EXE -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" rundll32.exe - Modifies registry class 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_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-1-5-21-1079202589-886135813-2527035092-1000_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-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\MuiCache rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_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-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_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-1-5-21-1079202589-886135813-2527035092-1000_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-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Content rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Content\CachePrefix rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_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-1-5-21-1079202589-886135813-2527035092-1000_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-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\MuiCache rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\MuiCache rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Content\CacheLimit = "51200" rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_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-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\History rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Content\CacheVersion = "1" rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_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-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\History\CacheLimit = "1" rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_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-1-5-21-1079202589-886135813-2527035092-1000_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-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\MuiCache rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Cookies rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_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-1-5-21-1079202589-886135813-2527035092-1000_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-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Extensible Cache rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\History\CachePrefix = "Visited:" rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\History\CacheVersion = "1" rundll32.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 1620 PING.EXE - Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 5 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) - Suspicious use of FindShellTrayWindow 5 IoCs
pid Process 3576 rundll32.exe 3424 rundll32.exe 6020 rundll32.exe 2588 rundll32.exe 5844 mshta.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 5844 wrote to memory of 3424 5844 mshta.exe 89 PID 5844 wrote to memory of 3576 5844 mshta.exe 90 PID 5844 wrote to memory of 6020 5844 mshta.exe 91 PID 5844 wrote to memory of 2588 5844 mshta.exe 92 PID 5844 wrote to memory of 2148 5844 mshta.exe 93 PID 2588 wrote to memory of 4212 2588 rundll32.exe 95 PID 6020 wrote to memory of 4408 6020 rundll32.exe 96 PID 3424 wrote to memory of 440 3424 rundll32.exe 97 PID 3576 wrote to memory of 2688 3576 rundll32.exe 98 - Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 2148 attrib.exe
Processes
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C:\Windows\SysWOW64\mshta.exeC:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\extension-fix-ODK2IJ.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:5844 -
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:3424 -
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:440
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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:3576 -
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:2688
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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:6020 -
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:4408
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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:2588 -
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:4212
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C:\Windows\SysWOW64\attrib.exe"C:\Windows\System32\attrib.exe" +h +s "C:\fogpbgon\"2⤵
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:2148
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C:\fogpbgon\fogpbgon.exe"C:\fogpbgon\fogpbgon.exe" C:\fogpbgon\fogpbgon2⤵PID:4740
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 82⤵PID:2308
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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:1172
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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:2204 -
C:\Windows\SysWOW64\PING.EXEping -n 300 -w 1000 127.0.0.13⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:1620
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:1584
Network
MITRE ATT&CK Enterprise v16
Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\fogpbgon\a1.zip
- Size 494KB
- SHA256 919d0e4b358d403bff2ae615d48661c13d0cbb27e4b7b60a99457586c5519546
- MD5 181670ef9936e05b162cd0e9fb7e6e05
- SHA1 796626c5708043e8a16ad05eac579e9d8dce7d78
- SHA512 c38b1e700b78535101045f39e371a60e5996d3be5deabb15a0f81e889792c5bd5294c5ccf01356c6dab232a2a59028d6d7b054357274aef095333a4c3a880ad2
- SSDEEP 12288:ixU7hblQnL+/dh+Gez4yOGtBan225oCWp8SrIQ:iq7hblmK/dgGeVlk22aCarIQ
- TLSH T100B4231C22C4BD086D3D97FB58539F7805E6269E14B8024CE18B73C4ABCEF815F829E5
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\fogpbgon\a2.zip
- Size 1.3MB
- SHA256 232d1bb770f8ed1388544c73c4477b5a6add988e56045239ab27a8707b1ba243
- MD5 54fecb293f958dccd90182f01f0e19e3
- SHA1 48f0a30a178218efc003d3e18bd14ad60947016b
- SHA512 4b8a43663a283ab4025f604c6341d42932b9ee2951ba306b2f71ee32529bcfee122e49feb44761cd37c6affba150aaf1fdbd292b86fa31b34f7362cc99816445
- SSDEEP 24576:nAuYNwua6NduNqjRt1pSdu4E0mcKptG6lgVT0kQkmSp9QpDH1tMlyaR:nAuSw7Ku4xpSd7m7BlgVQmvQJH1t4
- TLSH T10B553355B7E9DF14E07D52A1C9C14ED42EE304ADBFE8CC081AC8478895D236DA948EBA
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\fogpbgon\a3.zip
- Size 2KB
- SHA256 d6a0db48e0a44adb51fe34ef8a473fb66f1696e84515ee666b47fdbd39730fbf
- MD5 5f01ebc49c7219ecdae69d964388ba01
- SHA1 14088ec47702b4240bec4fe8856b83b3610323ef
- SHA512 d3de6034f275ce97d94b76bf3b1a441ffc0b53334cf851c5cb8d7638cc791214e7332c8feffec2b33e5db2629dd582888261636867d4a2189a4c163a784dcb5a
- TLSH T116413AE88D6CBD90E68E79389E14587056372EC489C061680EBEEC442220298DB2E82C
- MD5 SHA1 SHA512 TLSH
- Path C:\fogpbgon\fogpbgon
- Size 1.3MB
- SHA256 30af0a4b9b7c7d8cf41c169be3d51c03d9dabd0c18ed699b31850b618b5db55e
- MD5 3acd16edf0a4a2c6ece5bdb47bbfe252
- SHA1 f2c68a96d6233778d1900a859ff089284c1672f2
- SHA512 db484aa924751393a2bb72b482dea0882e2ea077a48f24e9535c1dd4fb49491779832533a50b509770220503952dc01253e62205b3a376ee4660d7c7f3348172
- SSDEEP 24576:wAsYBwwc6NnutqPLth3SduIE0mcKppG2RgzTckokmGpVQpHH3tghysG:wAsiw7WuYn3Sdpm7PRgzIYrQhH3tb
- TLSH T121553355B7EDDF04E0BD51A1D9C14ED42EE304ADBFE8CC081AC84788D5D236DA948EBA
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\fogpbgon\fogpbgon.exe
- Size 957KB
- SHA256 bdd2b7236a110b04c288380ad56e8d7909411da93eed2921301206de0cb0dda1
- MD5 279274f8a137bf31425a9c2c14444b66
- SHA1 6f7f971406854309d94139aa70bdc772308aff52
- SHA512 2e69e99ae2c2f0c3361351853ecfcd1982ea542ef8aff9314e991642f106a87d45479f21f53367ad93b29ce9d98b60706ff9554a9c9d2a793fbed1589b90a85d
- SSDEEP 24576:8SmEH7kpRArkvBz1oxovFDVeAj2HoB3a33rfBH:827kpRA4R1oGDVeQXsrf
- TLSH T11B259E0373D18022FF93A9721E5FE72656BC6D2A0323956F13D81EB9F9305B14A1E672
- MD5 SHA1 SHA512 SSDEEP TLSH