Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
29/05/2024, 11:25
Behavioral task
behavioral1
Sample
2024-05-29_0195edf108d9357b8f6220673f2087e7_ryuk.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-29_0195edf108d9357b8f6220673f2087e7_ryuk.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-29_0195edf108d9357b8f6220673f2087e7_ryuk.exe
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Size
12.6MB
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MD5
0195edf108d9357b8f6220673f2087e7
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SHA1
ebd399681ce4a60a0f8dc6c579d52b446868dbea
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SHA256
e8bdc8b72122171d2a9247a61acae18f0c6101934858c2a81e88f824a4e58741
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SHA512
262c076475ccf90a2fa1890251c383b592f1cafee24cb2cd7e76cc5ca88b930d96ca7400333228d2d24c502513d4fa28fce5c346c1b8925749f1753821591950
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SSDEEP
393216:2EbtCPg9c5hlERP/JnAdZYygtN3ZWar9/xz:rtywEhkP/dAdZgtN3DZ/x
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 1700 2024-05-29_0195edf108d9357b8f6220673f2087e7_ryuk.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2976 wrote to memory of 1700 2976 2024-05-29_0195edf108d9357b8f6220673f2087e7_ryuk.exe 29 PID 2976 wrote to memory of 1700 2976 2024-05-29_0195edf108d9357b8f6220673f2087e7_ryuk.exe 29 PID 2976 wrote to memory of 1700 2976 2024-05-29_0195edf108d9357b8f6220673f2087e7_ryuk.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-29_0195edf108d9357b8f6220673f2087e7_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-29_0195edf108d9357b8f6220673f2087e7_ryuk.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2976 -
C:\Users\Admin\AppData\Local\Temp\2024-05-29_0195edf108d9357b8f6220673f2087e7_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-29_0195edf108d9357b8f6220673f2087e7_ryuk.exe"2⤵
- Loads dropped DLL
PID:1700
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
4.3MB
MD511c051f93c922d6b6b4829772f27a5be
SHA142fbdf3403a4bc3d46d348ca37a9f835e073d440
SHA2560eabf135bb9492e561bbbc5602a933623c9e461aceaf6eb1ceced635e363cd5c
SHA5121cdec23486cffcb91098a8b2c3f1262d6703946acf52aa2fe701964fb228d1411d9b6683bd54527860e10affc0e3d3de92a6ecf2c6c8465e9c8b9a7304e2a4a6