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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
01/06/2024, 10:43
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-01_456f73e02e4ad4421a2479ef208e12fd_ryuk.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-01_456f73e02e4ad4421a2479ef208e12fd_ryuk.exe
Resource
win10v2004-20240226-en
General
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Target
2024-06-01_456f73e02e4ad4421a2479ef208e12fd_ryuk.exe
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Size
2.2MB
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MD5
456f73e02e4ad4421a2479ef208e12fd
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SHA1
4454dbb4d39fc2726087e9f61bbb1e6c710b6d4f
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SHA256
9a74da0fd6a156cbcadcdb7c78e97d0e9c93e1a422791e2c686e1706adea4cfc
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SHA512
22bb0e0dd1a1609b5af45499ed11abfc3f78fc48eb1aa74f469a54c954ea25eeb35b1eb029accc23763aa5330e175b0136eee0d96c576fda9714adbf696619e0
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SSDEEP
49152:eNl7soq7sQCr1kyG2xHywRfHIO2Ts4bvD+l50VB2KPDnIOn:aD23S1kaxp9q+T0+0DnIOn
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 2024-06-01_456f73e02e4ad4421a2479ef208e12fd_ryuk.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeTakeOwnershipPrivilege 5080 2024-06-01_456f73e02e4ad4421a2479ef208e12fd_ryuk.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-01_456f73e02e4ad4421a2479ef208e12fd_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-01_456f73e02e4ad4421a2479ef208e12fd_ryuk.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:5080
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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=4080 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:81⤵PID:3152