Analysis
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max time kernel
150s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 10:40
Static task
static1
Behavioral task
behavioral1
Sample
c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe
Resource
win10v2004-20220812-en
General
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Target
c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe
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Size
76KB
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MD5
8af4ccb79598f213851c0c7e291fba53
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SHA1
de8fe5e8f60a811466c9af084e8efd598dd60af5
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SHA256
c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568
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SHA512
321b49361451c7d4bdfff9aaf70a699f0f7724169251764bd85fb523c2f0d9477acdcdd2662eb0e75bb1026eb1eefe095f60107e7c5692cfde91825b6f6685f5
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SSDEEP
768:VembNRqsuhlGOBrhgFwumSCbxTGy/BBGg4NKJJKqUThbJ32+ve7i40vN0TlT+Xkq:bnqdu3abBGy3G8V0iuo2X
Malware Config
Signatures
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Modifies system executable filetype association 2 TTPs 2 IoCs
Processes:
c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exeuxnw.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt uxnw.exe -
Modifies visibility of file extensions in Explorer 2 TTPs 2 IoCs
Processes:
uxnw.exec45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" uxnw.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
Processes:
c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exeuxnw.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" uxnw.exe -
Executes dropped EXE 1 IoCs
Processes:
uxnw.exepid process 1928 uxnw.exe -
Loads dropped DLL 2 IoCs
Processes:
c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exepid process 1100 c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe 1100 c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
uxnw.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run uxnw.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VisualStyle = "c:\\windows\\system32\\Desktop.sysm" uxnw.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
uxnw.exedescription ioc process File opened (read-only) \??\B: uxnw.exe File opened (read-only) \??\F: uxnw.exe File opened (read-only) \??\G: uxnw.exe File opened (read-only) \??\I: uxnw.exe File opened (read-only) \??\E: uxnw.exe File opened (read-only) \??\H: uxnw.exe File opened (read-only) \??\M: uxnw.exe File opened (read-only) \??\R: uxnw.exe File opened (read-only) \??\S: uxnw.exe File opened (read-only) \??\U: uxnw.exe File opened (read-only) \??\W: uxnw.exe File opened (read-only) \??\X: uxnw.exe File opened (read-only) \??\J: uxnw.exe File opened (read-only) \??\L: uxnw.exe File opened (read-only) \??\N: uxnw.exe File opened (read-only) \??\T: uxnw.exe File opened (read-only) \??\Y: uxnw.exe File opened (read-only) \??\K: uxnw.exe File opened (read-only) \??\O: uxnw.exe File opened (read-only) \??\P: uxnw.exe File opened (read-only) \??\Q: uxnw.exe File opened (read-only) \??\V: uxnw.exe File opened (read-only) \??\Z: uxnw.exe -
Drops file in System32 directory 6 IoCs
Processes:
uxnw.exec45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exedescription ioc process File opened for modification \??\c:\windows\SysWOW64\maxtrox.txt uxnw.exe File opened for modification \??\c:\windows\SysWOW64\Windows 3D.scr uxnw.exe File created \??\c:\windows\SysWOW64\Desktop.sysm uxnw.exe File created \??\c:\windows\SysWOW64\CommandPrompt.Sysm uxnw.exe File created \??\c:\windows\SysWOW64\maxtrox.txt c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe File created \??\c:\windows\SysWOW64\Windows 3D.scr c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe -
Drops file in Program Files directory 34 IoCs
Processes:
uxnw.exedescription ioc process File opened for modification \??\c:\Program Files\Mozilla Firefox\default-browser-agent.exe uxnw.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\plugin-container.exe uxnw.exe File opened for modification \??\c:\Program Files\7-Zip\7zFM.exe uxnw.exe File opened for modification \??\c:\Program Files\7-Zip\Uninstall.exe uxnw.exe File opened for modification \??\c:\Program Files\Internet Explorer\ielowutil.exe uxnw.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\updater.exe uxnw.exe File opened for modification \??\c:\Program Files\Windows Mail\wab.exe uxnw.exe File opened for modification \??\c:\Program Files\Windows Media Player\WMPDMC.exe uxnw.exe File opened for modification \??\c:\Program Files\7-Zip\7z.exe uxnw.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\crashreporter.exe uxnw.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\plugin-hang-ui.exe uxnw.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmplayer.exe uxnw.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmprph.exe uxnw.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\maintenanceservice.exe uxnw.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\pingsender.exe uxnw.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmpenc.exe uxnw.exe File opened for modification \??\c:\Program Files\Windows Journal\PDIALOG.exe uxnw.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmpconfig.exe uxnw.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmpshare.exe uxnw.exe File opened for modification \??\c:\Program Files\Windows Media Player\WMPSideShowGadget.exe uxnw.exe File opened for modification \??\c:\Program Files\Windows Sidebar\sidebar.exe uxnw.exe File opened for modification \??\c:\Program Files\Internet Explorer\ieinstal.exe uxnw.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\firefox.exe uxnw.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\minidump-analyzer.exe uxnw.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmlaunch.exe uxnw.exe File opened for modification \??\c:\Program Files\Internet Explorer\iexplore.exe uxnw.exe File opened for modification \??\c:\Program Files\Windows Defender\MpCmdRun.exe uxnw.exe File opened for modification \??\c:\Program Files\Windows Defender\MSASCui.exe uxnw.exe File opened for modification \??\c:\Program Files\Internet Explorer\iediagcmd.exe uxnw.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmpnetwk.exe uxnw.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmpnscfg.exe uxnw.exe File opened for modification \??\c:\Program Files\7-Zip\7zG.exe uxnw.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe uxnw.exe File opened for modification \??\c:\Program Files\Windows Mail\wabmig.exe uxnw.exe -
Modifies registry class 36 IoCs
Processes:
c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exeuxnw.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe" c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1" uxnw.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm uxnw.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe" c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct" c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1" c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon uxnw.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt uxnw.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt uxnw.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1" uxnw.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct" uxnw.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic" uxnw.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe" uxnw.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic" c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt uxnw.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe" uxnw.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon uxnw.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command uxnw.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1" c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile uxnw.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command uxnw.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd uxnw.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exeuxnw.exepid process 1100 c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe 1928 uxnw.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exedescription pid process target process PID 1100 wrote to memory of 1928 1100 c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe uxnw.exe PID 1100 wrote to memory of 1928 1100 c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe uxnw.exe PID 1100 wrote to memory of 1928 1100 c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe uxnw.exe PID 1100 wrote to memory of 1928 1100 c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe uxnw.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe"C:\Users\Admin\AppData\Local\Temp\c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f568.exe"1⤵
- Modifies system executable filetype association
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\Documents and Settings\Admin\Application Data\Microsoft\uxnw.exe"c:\Documents and Settings\Admin\Application Data\Microsoft\uxnw.exe" c45333732863cc8c57f66b5210e7dda042011057d4f5327daa8d42eba804f5682⤵
- Modifies system executable filetype association
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\uxnw.exeFilesize
76KB
MD55d145ea4f8f2d6e9dd374c3fcb0fd1bb
SHA177ad577e8106f0a21bde5ac45177f0fd34c3b973
SHA256e8d988e86af413e0b2eb27af5d865db034f004c781ec6428fb822b7eace41c8c
SHA5129fb8b3ef386393108c31d7145e0bad3ac2b19ff7d65039a1bead686ba69cc3a3a3c4f9e959fefdc70f7ca35d2de4a68c130210a3e2d920b57237e0c5430f09cf
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\??\c:\Documents and Settings\Admin\Application Data\Microsoft\uxnw.exeFilesize
76KB
MD55d145ea4f8f2d6e9dd374c3fcb0fd1bb
SHA177ad577e8106f0a21bde5ac45177f0fd34c3b973
SHA256e8d988e86af413e0b2eb27af5d865db034f004c781ec6428fb822b7eace41c8c
SHA5129fb8b3ef386393108c31d7145e0bad3ac2b19ff7d65039a1bead686ba69cc3a3a3c4f9e959fefdc70f7ca35d2de4a68c130210a3e2d920b57237e0c5430f09cf
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\??\c:\windows\SysWOW64\Windows 3D.scrMD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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\??\c:\windows\SysWOW64\maxtrox.txtFilesize
8B
MD524865ca220aa1936cbac0a57685217c5
SHA137f687cafe79e91eae6cbdffbf2f7ad3975f5e83
SHA256841e95fa333ed89085bfbab19bb658d96ed0c837d25721411233fa55c860c743
SHA512c8d3f514c72f48fed5de9582c4252cf5466a9d32866d8df3631ba9274ed734bb95139e4909e8116a10947fc1afa1dbeb33809da6ec050e6e4eb83d5241aeb062
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\Users\Admin\AppData\Roaming\Microsoft\uxnw.exeFilesize
76KB
MD55d145ea4f8f2d6e9dd374c3fcb0fd1bb
SHA177ad577e8106f0a21bde5ac45177f0fd34c3b973
SHA256e8d988e86af413e0b2eb27af5d865db034f004c781ec6428fb822b7eace41c8c
SHA5129fb8b3ef386393108c31d7145e0bad3ac2b19ff7d65039a1bead686ba69cc3a3a3c4f9e959fefdc70f7ca35d2de4a68c130210a3e2d920b57237e0c5430f09cf
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\Users\Admin\AppData\Roaming\Microsoft\uxnw.exeFilesize
76KB
MD55d145ea4f8f2d6e9dd374c3fcb0fd1bb
SHA177ad577e8106f0a21bde5ac45177f0fd34c3b973
SHA256e8d988e86af413e0b2eb27af5d865db034f004c781ec6428fb822b7eace41c8c
SHA5129fb8b3ef386393108c31d7145e0bad3ac2b19ff7d65039a1bead686ba69cc3a3a3c4f9e959fefdc70f7ca35d2de4a68c130210a3e2d920b57237e0c5430f09cf
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memory/1928-58-0x0000000000000000-mapping.dmp