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Analysis
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max time kernel
191s -
max time network
196s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
05/12/2022, 09:28
Static task
static1
Behavioral task
behavioral1
Sample
b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb.exe
Resource
win10v2004-20221111-en
General
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Target
b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb.exe
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Size
244KB
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MD5
1bf3c94b3d1f883dcbd6925dace98ba4
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SHA1
bc097008b61f30e478bdfdfd1bf04e49bab6267b
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SHA256
b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb
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SHA512
0fca8e032205e433334726771b1e1c7e5480aa308d178f4b76ceb9a4003cbc461e0f4f1a3f2d10ca5d1f575cf440e14e40491e3eb4b93b6d741552ec1beda834
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SSDEEP
3072:z58gDf7VEQOJMWlIDlHMagbkRECMGEVIrsKgbbQ/KU9EC1AgKv124:z5HPNMagbkGC9EVkkI/9Gf
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" soenea.exe -
Executes dropped EXE 1 IoCs
pid Process 4992 soenea.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\soenea = "C:\\Users\\Admin\\soenea.exe /p" b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ soenea.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\soenea = "C:\\Users\\Admin\\soenea.exe /n" soenea.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum soenea.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 soenea.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4272 b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb.exe 4272 b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb.exe 4992 soenea.exe 4992 soenea.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4272 b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb.exe 4992 soenea.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4272 wrote to memory of 4992 4272 b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb.exe 85 PID 4272 wrote to memory of 4992 4272 b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb.exe 85 PID 4272 wrote to memory of 4992 4272 b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb.exe"C:\Users\Admin\AppData\Local\Temp\b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4272 -
C:\Users\Admin\soenea.exe"C:\Users\Admin\soenea.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4992
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:2564
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
244KB
MD51bf3c94b3d1f883dcbd6925dace98ba4
SHA1bc097008b61f30e478bdfdfd1bf04e49bab6267b
SHA256b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb
SHA5120fca8e032205e433334726771b1e1c7e5480aa308d178f4b76ceb9a4003cbc461e0f4f1a3f2d10ca5d1f575cf440e14e40491e3eb4b93b6d741552ec1beda834
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Filesize
244KB
MD51bf3c94b3d1f883dcbd6925dace98ba4
SHA1bc097008b61f30e478bdfdfd1bf04e49bab6267b
SHA256b8f1a98d3dbb9d3cb07d2827323cd12661f6dea532de02044817d4362787f2bb
SHA5120fca8e032205e433334726771b1e1c7e5480aa308d178f4b76ceb9a4003cbc461e0f4f1a3f2d10ca5d1f575cf440e14e40491e3eb4b93b6d741552ec1beda834