Analysis
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max time kernel
26s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
06-10-2024 13:57
Static task
static1
Behavioral task
behavioral1
Sample
winrar-x64-611.exe
Resource
win11-20240802-en
General
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Target
winrar-x64-611.exe
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Size
3.3MB
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MD5
8a6217d94e1bcbabdd1dfcdcaa83d1b3
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SHA1
99b81b01f277540f38ea3e96c9c6dc2a57dfeb92
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SHA256
3023edb4fc3f7c2ebad157b182b62848423f6fa20d180b0df689cbb503a49684
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SHA512
a8f6f6fdfa9d754a577b7dd885a938fb9149f113baa2afb6352df622cdb73242175a06cd567e971fd3de93a126ba05b78178d5d512720d8fdb87ececce2cbf54
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SSDEEP
98304:mZjOBfKqY3fhMBexKTvsCHBviBh2GB8y0mb5:mZZ7fhMB2ovFNiKGhJ
Malware Config
Signatures
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Modifies registry class 1 IoCs
Processes:
MiniSearchHost.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-661032028-162657920-1226909816-1000_Classes\Local Settings\MuiCache MiniSearchHost.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
winrar-x64-611.exeMiniSearchHost.exepid process 3484 winrar-x64-611.exe 3484 winrar-x64-611.exe 4084 MiniSearchHost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\winrar-x64-611.exe"C:\Users\Admin\AppData\Local\Temp\winrar-x64-611.exe"1⤵
- Suspicious use of SetWindowsHookEx
PID:3484
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4084
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C:\Windows\system32\werfault.exewerfault.exe /h /shared Global\838da7e40eae4890b44eead5f57c3891 /t 4612 /p 34841⤵PID:5072
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat
Filesize10KB
MD530f9f69bd4cb3ca8ed4af465e6bf3b72
SHA11f7bf3625d683c1af38485d1eb39152949648749
SHA256fbb114871abc3901711a5f204cb370f1cc1602ad89fa0c8155288ec72e4eaf36
SHA512ae96746716d0b47912c191ca52db48ee40aca9591444c1f0ffbc913346be1fff1e9f71c6e66cb4c175fd308e04a504367dd56bf84920f94c65142cd8508258c2