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Analysis
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max time kernel
142s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
15/04/2024, 06:31
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-15_94737fdaadaae137f5934e695d66e131_ryuk.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-15_94737fdaadaae137f5934e695d66e131_ryuk.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-15_94737fdaadaae137f5934e695d66e131_ryuk.exe
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Size
1.8MB
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MD5
94737fdaadaae137f5934e695d66e131
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SHA1
ad679d64d84137f31ebef60130e06f4b5a5883d2
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SHA256
158d5a09f34f4ad11456666267bd92786e622f8c2a96862510dd459d0e1e5bf6
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SHA512
c94d2ea024c533160321b0b428908f228c1d09fcabd664af5c059e3a912627241c5a2e3d736eb0c3e5f0a0a4adf5f647f595c53f82da3524e9ad685a389bfd42
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SSDEEP
49152:EKX0DzOswXkfymHQlIuQX8FD5nb2LLPrFmRY:mXNOkfjqID8F1b6TwY
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 2024-04-15_94737fdaadaae137f5934e695d66e131_ryuk.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeTakeOwnershipPrivilege 8 2024-04-15_94737fdaadaae137f5934e695d66e131_ryuk.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-15_94737fdaadaae137f5934e695d66e131_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-15_94737fdaadaae137f5934e695d66e131_ryuk.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:8
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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=4144 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:81⤵PID:3272