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Analysis
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max time kernel
177s -
max time network
193s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
03/12/2022, 17:18
Static task
static1
Behavioral task
behavioral1
Sample
e1d55b39f0bf8b4b46048e2459f56b1b553ac7cb8f5b305af53727fc260deeec.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
e1d55b39f0bf8b4b46048e2459f56b1b553ac7cb8f5b305af53727fc260deeec.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
e1d55b39f0bf8b4b46048e2459f56b1b553ac7cb8f5b305af53727fc260deeec.exe
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Size
148KB
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MD5
23c9c659884e9cdeb073ce9eb6fc1d72
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SHA1
57ffdb127397a6fbf328ea9a65b7805ba733f7b1
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SHA256
e1d55b39f0bf8b4b46048e2459f56b1b553ac7cb8f5b305af53727fc260deeec
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SHA512
9f38f3987b6d6c94d93e9a3f93c09a7d47916504b5968e301e7b634e077ea5d0bf8f8c094cbe4386cb8a4581618def4a77affd3d6c8d2a9aefdd8aa9dfced59f
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SSDEEP
1536:FdYdImWRnWc4BU8g5DGHPOGrwUbaxGAka+tHK9rCGaVkmwHnuqx8MOdzAbBQg:SWRnWPaNUbaxqECGaVKHuqL6Abi
Score
10/10
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" e1d55b39f0bf8b4b46048e2459f56b1b553ac7cb8f5b305af53727fc260deeec.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" wuefoo.exe -
Executes dropped EXE 1 IoCs
pid Process 4720 wuefoo.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 e1d55b39f0bf8b4b46048e2459f56b1b553ac7cb8f5b305af53727fc260deeec.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /j" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /e" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /h" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /m" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /L" wuefoo.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ e1d55b39f0bf8b4b46048e2459f56b1b553ac7cb8f5b305af53727fc260deeec.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /x" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /l" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /G" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /Y" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /a" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /f" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /w" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /p" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /b" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /I" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /d" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /o" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /A" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /R" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /D" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /P" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /X" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /z" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /g" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /Q" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /W" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /H" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /J" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /k" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /i" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /K" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /T" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /s" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /Z" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /n" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /B" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /O" wuefoo.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /u" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /C" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /E" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /q" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /H" e1d55b39f0bf8b4b46048e2459f56b1b553ac7cb8f5b305af53727fc260deeec.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /y" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /M" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /c" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /S" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /F" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /t" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /U" wuefoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuefoo = "C:\\Users\\Admin\\wuefoo.exe /r" wuefoo.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1792 e1d55b39f0bf8b4b46048e2459f56b1b553ac7cb8f5b305af53727fc260deeec.exe 1792 e1d55b39f0bf8b4b46048e2459f56b1b553ac7cb8f5b305af53727fc260deeec.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe 4720 wuefoo.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1792 e1d55b39f0bf8b4b46048e2459f56b1b553ac7cb8f5b305af53727fc260deeec.exe 4720 wuefoo.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1792 wrote to memory of 4720 1792 e1d55b39f0bf8b4b46048e2459f56b1b553ac7cb8f5b305af53727fc260deeec.exe 83 PID 1792 wrote to memory of 4720 1792 e1d55b39f0bf8b4b46048e2459f56b1b553ac7cb8f5b305af53727fc260deeec.exe 83 PID 1792 wrote to memory of 4720 1792 e1d55b39f0bf8b4b46048e2459f56b1b553ac7cb8f5b305af53727fc260deeec.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\e1d55b39f0bf8b4b46048e2459f56b1b553ac7cb8f5b305af53727fc260deeec.exe"C:\Users\Admin\AppData\Local\Temp\e1d55b39f0bf8b4b46048e2459f56b1b553ac7cb8f5b305af53727fc260deeec.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1792 -
C:\Users\Admin\wuefoo.exe"C:\Users\Admin\wuefoo.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4720
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
148KB
MD53b44e815c824bca2ce4b63ea35f12202
SHA145840a5c751330d1cfc2b6855fe8c2d7facc0908
SHA2562209865ab0d6a4973d41c96bb43c5bcc9573ca19c16727876d3914a0bf57ae0c
SHA512cb2a6e200361570b886a2b65efeb2ab673f7477baa0458da42bdc56812fcdf31fc034d745eb7781d2ecdcad22de1d2a3f4f832d279ac11ccce62de840dd3ce82
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Filesize
148KB
MD53b44e815c824bca2ce4b63ea35f12202
SHA145840a5c751330d1cfc2b6855fe8c2d7facc0908
SHA2562209865ab0d6a4973d41c96bb43c5bcc9573ca19c16727876d3914a0bf57ae0c
SHA512cb2a6e200361570b886a2b65efeb2ab673f7477baa0458da42bdc56812fcdf31fc034d745eb7781d2ecdcad22de1d2a3f4f832d279ac11ccce62de840dd3ce82