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Analysis
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max time kernel
139s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
22/05/2024, 08:07
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-22_d8fa70262b7a2afe0013c98deb871dfd_ryuk.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-22_d8fa70262b7a2afe0013c98deb871dfd_ryuk.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-22_d8fa70262b7a2afe0013c98deb871dfd_ryuk.exe
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Size
1.6MB
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MD5
d8fa70262b7a2afe0013c98deb871dfd
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SHA1
e86b43d0de62f18e07336fa9455c3ca398d40eb0
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SHA256
8bb13430dd7c9fac23ef62f064213f313e729fb13fc940881fb057b22648e9f7
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SHA512
3420a1228bb59bed3549f65d492bab0a419f55981e84c77076908054870cdf7bd3e3235114adf4b3aa65793bdfd76353bb9676de4b7d595130f6c1d5fc9e03ac
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SSDEEP
12288:Etth15uqukX4J4wryzM+DVI0YOfA0h1O0Bh4LLot0xGdHi1WUqg0X5KX:EThTuoX4JfEVPYOp1OQh0AVNIX
Malware Config
Signatures
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Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\alg.exe 2024-05-22_d8fa70262b7a2afe0013c98deb871dfd_ryuk.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeTakeOwnershipPrivilege 2740 2024-05-22_d8fa70262b7a2afe0013c98deb871dfd_ryuk.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-22_d8fa70262b7a2afe0013c98deb871dfd_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-22_d8fa70262b7a2afe0013c98deb871dfd_ryuk.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:2740
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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=3452,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=4444 /prefetch:81⤵PID:4836