Analysis
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max time kernel
144s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2024 16:41
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2024-01-25_7c5dda5891744ce7fbfaecc87adfe899_ryuk.exe
Resource
win7-20231215-en
windows7-x64
0 signatures
150 seconds
General
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Target
2024-01-25_7c5dda5891744ce7fbfaecc87adfe899_ryuk.exe
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Size
2.2MB
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MD5
7c5dda5891744ce7fbfaecc87adfe899
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SHA1
ff243ba74526dc82b6e00d08aee415ce5ba118c4
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SHA256
8c2eefe5f14158ce131129d8fffe34f2f4967800562d951b934324e721439136
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SHA512
2f3417965cb2cb5a5fc8835ebc6d4542efd8fda3e5e1684596bcfa4ed680ce18df0e1329e4b27dcd03f014a144f5cc1e968617c90c97dc46c16bdca2c46d8a3a
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SSDEEP
49152:xGbyhvXVg5YI1p0pHls7a/GnPRvpHzGmrq1VEd:xJxXeYI1n5pHnQV
Malware Config
Signatures
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Drops file in System32 directory 1 IoCs
Processes:
2024-01-25_7c5dda5891744ce7fbfaecc87adfe899_ryuk.exedescription ioc process File opened for modification C:\Windows\System32\alg.exe 2024-01-25_7c5dda5891744ce7fbfaecc87adfe899_ryuk.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
2024-01-25_7c5dda5891744ce7fbfaecc87adfe899_ryuk.exedescription pid process Token: SeTakeOwnershipPrivilege 1188 2024-01-25_7c5dda5891744ce7fbfaecc87adfe899_ryuk.exe
Processes
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/1188-1-0x0000000140000000-0x0000000140248000-memory.dmpFilesize
2.3MB
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memory/1188-0-0x0000000000890000-0x00000000008F0000-memory.dmpFilesize
384KB
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memory/1188-10-0x0000000000890000-0x00000000008F0000-memory.dmpFilesize
384KB
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memory/1188-7-0x0000000000890000-0x00000000008F0000-memory.dmpFilesize
384KB
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memory/1188-12-0x0000000140000000-0x0000000140248000-memory.dmpFilesize
2.3MB