Analysis
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max time kernel
173s -
max time network
186s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03-12-2022 19:48
Static task
static1
Behavioral task
behavioral1
Sample
41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe
Resource
win7-20220812-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe
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Size
88KB
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MD5
29a952e7458ce407e1293d967eb62940
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SHA1
0c694a87267f95a7f616a4a2b4431a4f0d769bc3
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SHA256
41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98
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SHA512
af8d2173d8e72a7df6e0db462471b8f79c1a43abbd3a056f2db39d0f56dc88a9755454d73609573d76ac8e8a44bfdc57763482791d259beee466b132611f737e
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SSDEEP
1536:eUQZEfhQIKKF35FQo6uxmstkXEB/PRiv9yaBdkM6WY2Iugm5QZj+lYWHzq7N:7fi9Knhtt9pPSZY2ngCQhcYWHe7N
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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" wsmey.exe -
Executes dropped EXE 2 IoCs
pid Process 1324 wsmey.exe 4760 wsmey.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation 41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /i" wsmey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /d" wsmey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /x" wsmey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /j" wsmey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /y" wsmey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /h" wsmey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /m" wsmey.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /b" wsmey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /f" wsmey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /e" wsmey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /n" wsmey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /a" wsmey.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ wsmey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /a" 41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /c" wsmey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /t" wsmey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /u" wsmey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /o" wsmey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /v" wsmey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /r" wsmey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /q" wsmey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /g" wsmey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /k" wsmey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /s" wsmey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /z" wsmey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /w" wsmey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /p" wsmey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wsmey = "C:\\Users\\Admin\\wsmey.exe /l" wsmey.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 41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum wsmey.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 wsmey.exe -
Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\Users\Admin\c\autorun.inf wsmey.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4984 set thread context of 4568 4984 41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe 79 PID 1324 set thread context of 4760 1324 wsmey.exe 83 -
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 4568 41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe 4568 41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe 4760 wsmey.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4984 41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe 4568 41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe 1324 wsmey.exe 4760 wsmey.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 4984 wrote to memory of 4568 4984 41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe 79 PID 4984 wrote to memory of 4568 4984 41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe 79 PID 4984 wrote to memory of 4568 4984 41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe 79 PID 4984 wrote to memory of 4568 4984 41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe 79 PID 4984 wrote to memory of 4568 4984 41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe 79 PID 4984 wrote to memory of 4568 4984 41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe 79 PID 4984 wrote to memory of 4568 4984 41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe 79 PID 4984 wrote to memory of 4568 4984 41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe 79 PID 4984 wrote to memory of 4568 4984 41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe 79 PID 4568 wrote to memory of 1324 4568 41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe 82 PID 4568 wrote to memory of 1324 4568 41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe 82 PID 4568 wrote to memory of 1324 4568 41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe 82 PID 1324 wrote to memory of 4760 1324 wsmey.exe 83 PID 1324 wrote to memory of 4760 1324 wsmey.exe 83 PID 1324 wrote to memory of 4760 1324 wsmey.exe 83 PID 1324 wrote to memory of 4760 1324 wsmey.exe 83 PID 1324 wrote to memory of 4760 1324 wsmey.exe 83 PID 1324 wrote to memory of 4760 1324 wsmey.exe 83 PID 1324 wrote to memory of 4760 1324 wsmey.exe 83 PID 1324 wrote to memory of 4760 1324 wsmey.exe 83 PID 1324 wrote to memory of 4760 1324 wsmey.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe"C:\Users\Admin\AppData\Local\Temp\41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4984 -
C:\Users\Admin\AppData\Local\Temp\41c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98.exe742⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4568 -
C:\Users\Admin\wsmey.exe"C:\Users\Admin\wsmey.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1324 -
C:\Users\Admin\wsmey.exe744⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4760
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
88KB
MD529a952e7458ce407e1293d967eb62940
SHA10c694a87267f95a7f616a4a2b4431a4f0d769bc3
SHA25641c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98
SHA512af8d2173d8e72a7df6e0db462471b8f79c1a43abbd3a056f2db39d0f56dc88a9755454d73609573d76ac8e8a44bfdc57763482791d259beee466b132611f737e
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Filesize
88KB
MD529a952e7458ce407e1293d967eb62940
SHA10c694a87267f95a7f616a4a2b4431a4f0d769bc3
SHA25641c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98
SHA512af8d2173d8e72a7df6e0db462471b8f79c1a43abbd3a056f2db39d0f56dc88a9755454d73609573d76ac8e8a44bfdc57763482791d259beee466b132611f737e
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Filesize
88KB
MD529a952e7458ce407e1293d967eb62940
SHA10c694a87267f95a7f616a4a2b4431a4f0d769bc3
SHA25641c1422bcbf61140a1ad988e228c34c6a96b8cb0a8271deba35ca86c82119b98
SHA512af8d2173d8e72a7df6e0db462471b8f79c1a43abbd3a056f2db39d0f56dc88a9755454d73609573d76ac8e8a44bfdc57763482791d259beee466b132611f737e