Analysis
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max time kernel
132s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
27-05-2024 18:15
Static task
static1
Behavioral task
behavioral1
Sample
MrsMajor 3.0.7z
Resource
win7-20240508-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
MrsMajor 3.0.7z
Resource
win10v2004-20240508-en
windows10-2004-x64
3 signatures
150 seconds
General
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Target
MrsMajor 3.0.7z
-
Size
234KB
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MD5
fedb45ddbd72fc70a81c789763038d81
-
SHA1
f1ed20c626d0a7ca2808ed768e7d7b319bc4c84a
-
SHA256
eacd5ed86a8ddd368a1089c7b97b791258e3eeb89c76c6da829b58d469f654b2
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SHA512
813c0367f3aeceea9be02ffad4bfa8092ea44b428e68db8f3f33e45e4e5e53599d985fa79a708679b6957cbd04d9b9d67b288137fa71ac5a59e917b8792c8298
-
SSDEEP
6144:HMMAgnxjSgdHCueEVIzAMAcqXvYEC86TFSQ:HagxjSg1xrIzAMAcuI5TFT
Score
3/10
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 2 IoCs
Processes:
cmd.exeOpenWith.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\Local Settings OpenWith.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
OpenWith.exepid process 2500 OpenWith.exe
Processes
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C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\MrsMajor 3.0.7z"1⤵
- Modifies registry class
PID:2740
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2500
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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 --field-trial-handle=4440,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=3440 /prefetch:81⤵PID:4300