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Analysis
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max time kernel
145s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
16/06/2024, 22:42
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-16_66ff72f1b5d96a4c19c1e6855b1bbfad_ryuk.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
2024-06-16_66ff72f1b5d96a4c19c1e6855b1bbfad_ryuk.exe
Resource
win10v2004-20240226-en
General
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Target
2024-06-16_66ff72f1b5d96a4c19c1e6855b1bbfad_ryuk.exe
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Size
1.7MB
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MD5
66ff72f1b5d96a4c19c1e6855b1bbfad
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SHA1
92e47beb085af3c12da07b9dda5dc66bae06b131
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SHA256
42171261eef240c0015d9329c3c31d9c25419d8560d5715e692fb75545991b0b
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SHA512
4117a08349e99d755935749faa8f18dce6acbe49971e6d7fd7cbc4343624b3c67154d5a5ad32217b3bbfe1551c760df47821d326136498e967a4ea55695ac578
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SSDEEP
24576:Z6V6VC/AyqGizWCaFbyVxVirnlBUKZ408vTZrX+lgdW:Z6cbGizWCaFbciLlBUKubZrX+ld
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 2024-06-16_66ff72f1b5d96a4c19c1e6855b1bbfad_ryuk.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeTakeOwnershipPrivilege 4436 2024-06-16_66ff72f1b5d96a4c19c1e6855b1bbfad_ryuk.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-16_66ff72f1b5d96a4c19c1e6855b1bbfad_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-16_66ff72f1b5d96a4c19c1e6855b1bbfad_ryuk.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:4436
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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=3376 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:81⤵PID:2804