Analysis
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max time kernel
141s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
11-04-2024 03:47
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2024-04-11_61bcaf87bdc186a3e6891bb29ffedf68_ryuk.exe
Resource
win7-20240221-en
windows7-x64
1 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-04-11_61bcaf87bdc186a3e6891bb29ffedf68_ryuk.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
2 signatures
150 seconds
General
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Target
2024-04-11_61bcaf87bdc186a3e6891bb29ffedf68_ryuk.exe
-
Size
2.1MB
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MD5
61bcaf87bdc186a3e6891bb29ffedf68
-
SHA1
fc712a2b14227cbf36e467722cd1cbb81995626a
-
SHA256
d4e31fca02ce074a06ba255678efaeeff80da6601facbd8f011529942816f92c
-
SHA512
b10ff7203deaf5f60f30db432b9ffff1e271772a55ba2dd102020cd358da2cd4f8a54ea7a9ea809a0c4ed4ac34e3c599327471dab380575b5b47680eaf730f7f
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SSDEEP
49152:kRaYSDA+ouZ/K0tDmN1JXLkZRJ+0Y8TCUiJVHkh2FBUgt6:kRUZ/K0tKN1JXKsdJJ6AFBUgA
Score
5/10
Malware Config
Signatures
-
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\alg.exe 2024-04-11_61bcaf87bdc186a3e6891bb29ffedf68_ryuk.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeTakeOwnershipPrivilege 4292 2024-04-11_61bcaf87bdc186a3e6891bb29ffedf68_ryuk.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-11_61bcaf87bdc186a3e6891bb29ffedf68_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-11_61bcaf87bdc186a3e6891bb29ffedf68_ryuk.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:4292
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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=3720 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:81⤵PID:3196