Analysis
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max time kernel
121s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
07-06-2024 01:17
Behavioral task
behavioral1
Sample
2024-06-07_57a958b6559331a9b8cf6a2d1588203f_ryuk.exe
Resource
win7-20240221-en
General
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Target
2024-06-07_57a958b6559331a9b8cf6a2d1588203f_ryuk.exe
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Size
16.0MB
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MD5
57a958b6559331a9b8cf6a2d1588203f
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SHA1
bd6179239bf49f604981f645f54dd969122e6a9a
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SHA256
bbb9cb6e8e5b9d7e91b4a2c00aafe8d4af371f4857186882c90a2e0fe3606faa
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SHA512
27c7f0913be1e8f229296a0b13aa56785a6fd99f61e9f1cad6676cb2d5dbab34d975aed7432c7ead44d100d64cd1c2bed7b086f8393f8adfe34b1d10de855226
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SSDEEP
393216:0lC7hQe5t+SCiCEDElh2p3ZkNRiEFf4ilPRbQEk3:0ov5tlCiCEDKQp3ZkNRi4z
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 2624 2024-06-07_57a958b6559331a9b8cf6a2d1588203f_ryuk.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2228 wrote to memory of 2624 2228 2024-06-07_57a958b6559331a9b8cf6a2d1588203f_ryuk.exe 29 PID 2228 wrote to memory of 2624 2228 2024-06-07_57a958b6559331a9b8cf6a2d1588203f_ryuk.exe 29 PID 2228 wrote to memory of 2624 2228 2024-06-07_57a958b6559331a9b8cf6a2d1588203f_ryuk.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-07_57a958b6559331a9b8cf6a2d1588203f_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-07_57a958b6559331a9b8cf6a2d1588203f_ryuk.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2228 -
C:\Users\Admin\AppData\Local\Temp\2024-06-07_57a958b6559331a9b8cf6a2d1588203f_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-07_57a958b6559331a9b8cf6a2d1588203f_ryuk.exe"2⤵
- Loads dropped DLL
PID:2624
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
2.8MB
MD5657df54924a5d77ba515e49b518910f0
SHA1e2376b87d67ee6d6b028572bb16c5210594c7257
SHA25609196a7e36fc52574ce45ba94da02ea7d5ee363557cc8ff24ef197b4c303564d
SHA5121747192757eb68c40cd01451b2af410d803bbacc1f22914a884963931e674eb759b3aaab55e5e7b875e9d4b68e46ba2c7de98fa47b6d4837516edcfa077088c1
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Filesize
4.3MB
MD55cd203d356a77646856341a0c9135fc6
SHA1a1f4ac5cc2f5ecb075b3d0129e620784814a48f7
SHA256a56afcf5f3a72769c77c3bc43c9b84197180a8b3380b6258073223bfd72ed47a
SHA512390008d57fa711d7c88b77937bf16fdb230e7c1e7182faea6d7c206e9f65ced6f2e835f9da9befb941e80624abe45875602e0e7ad485d9a009d2450a2a0e0f1f