Analysis
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max time kernel
115s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
10-04-2024 06:04
Static task
static1
Behavioral task
behavioral1
Sample
ctldl.windowsupdate.cab
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
ctldl.windowsupdate.cab
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
authroot.stl
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
authroot.stl
Resource
win10v2004-20240226-en
General
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Target
authroot.stl
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Size
177KB
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MD5
435a9ac180383f9fa094131b173a2f7b
-
SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983
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SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
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SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a
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SSDEEP
1536:fAo/J+lCUsTRvsqgCyqWlUDNWdm1wpSru2A0XwjY/z02DTr3rmt6mJ:f/J+qTR0XCy/dmASru2Aijbdq
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 2 IoCs
Processes:
cmd.exeOpenWith.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings OpenWith.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
OpenWith.exepid process 3948 OpenWith.exe
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\authroot.stl1⤵
- Modifies registry class
PID:4980
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3948
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1340 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:81⤵PID:4980