Analysis
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max time kernel
88s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2024 15:42
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2024-01-25_8faf19abac9eb43a3c4c164f28b8f72a_ryuk.exe
Resource
win7-20231215-en
windows7-x64
0 signatures
150 seconds
General
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Target
2024-01-25_8faf19abac9eb43a3c4c164f28b8f72a_ryuk.exe
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Size
2.2MB
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MD5
8faf19abac9eb43a3c4c164f28b8f72a
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SHA1
49c193f91696d0a2c15770c9233daa29bb2e4eed
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SHA256
5944052f853dca6d4f18a8ecd7df71623ab0ec06746ec9dc3caf0add047ea93b
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SHA512
b7d97745da2469329d0a9fcbadca18b99f80c3c5d3a72cb5b30549bb0bedb0cd0d731d3100ecda83d3773204540537779f6477dbbe389450abb17be03cb8c61b
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SSDEEP
49152:FNl7soq7sQCT1kyG2xHywRfHIO2Ts4bvDa/snji6attJM:tD23a1kaxp9qaEnW6at
Malware Config
Signatures
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Drops file in System32 directory 1 IoCs
Processes:
2024-01-25_8faf19abac9eb43a3c4c164f28b8f72a_ryuk.exedescription ioc process File opened for modification C:\Windows\System32\alg.exe 2024-01-25_8faf19abac9eb43a3c4c164f28b8f72a_ryuk.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
2024-01-25_8faf19abac9eb43a3c4c164f28b8f72a_ryuk.exedescription pid process Token: SeTakeOwnershipPrivilege 820 2024-01-25_8faf19abac9eb43a3c4c164f28b8f72a_ryuk.exe
Processes
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/820-0-0x0000000001FC0000-0x0000000002020000-memory.dmpFilesize
384KB
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memory/820-1-0x0000000140000000-0x0000000140247000-memory.dmpFilesize
2.3MB
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memory/820-7-0x0000000001FC0000-0x0000000002020000-memory.dmpFilesize
384KB
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memory/820-9-0x0000000001FC0000-0x0000000002020000-memory.dmpFilesize
384KB
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memory/820-11-0x0000000140000000-0x0000000140247000-memory.dmpFilesize
2.3MB