Analysis
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max time kernel
119s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
10-10-2024 06:33
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-10_978a3e9c033d23a82918110884ee978e_cobalt-strike_ryuk.exe
Resource
win7-20240708-en
windows7-x64
1 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-10-10_978a3e9c033d23a82918110884ee978e_cobalt-strike_ryuk.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
0 signatures
150 seconds
General
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Target
2024-10-10_978a3e9c033d23a82918110884ee978e_cobalt-strike_ryuk.exe
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Size
1.5MB
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MD5
978a3e9c033d23a82918110884ee978e
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SHA1
86e471717542501c95e80326193d26259fb33293
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SHA256
8477068512ed2a2dc07a76af757452f35c098aceb0fa9584382842597a5508b2
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SHA512
099c2733c6cccd4e5f1253a1b8b207adc91a8fc090801ddf5e0bb1dc873f83335b5b597dc053d4110c1e0e5190779acb312de4dc6a20c3693dd4eec7553f781e
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SSDEEP
24576:CZTMPo38SOau028X8qtsAv9BXJAO0RHzoIIkkiA:RBHaZ2HqX9BKO2HY
Score
1/10
Malware Config
Signatures
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2360 wrote to memory of 2972 2360 2024-10-10_978a3e9c033d23a82918110884ee978e_cobalt-strike_ryuk.exe 31 PID 2360 wrote to memory of 2972 2360 2024-10-10_978a3e9c033d23a82918110884ee978e_cobalt-strike_ryuk.exe 31 PID 2360 wrote to memory of 2972 2360 2024-10-10_978a3e9c033d23a82918110884ee978e_cobalt-strike_ryuk.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-10_978a3e9c033d23a82918110884ee978e_cobalt-strike_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-10_978a3e9c033d23a82918110884ee978e_cobalt-strike_ryuk.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2360 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2360 -s 1522⤵PID:2972
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