Analysis
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max time kernel
148s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
09-04-2024 23:46
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe
Resource
win7-20240221-en
windows7-x64
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
0 signatures
150 seconds
General
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Target
de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe
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Size
76KB
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MD5
34e05a048fbce8fa1a99022ba8e56785
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SHA1
eb971a48ff415aac3f7f480d03e245f4a10ae60b
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SHA256
de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634
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SHA512
e68bd63234b2c07c0117e0cdb2ca61a42325bc1ad0711d608f8f4a57cbe0fa5b59433d89aebf6d50ecdfadd0a7e330be10a93e296694b95fef1d8f70ab8344ac
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SSDEEP
768:QM34MSL0OXIxDMyDRjFVZrhgFwumSCbxTGy/BBGg4NK8jhh/vn2+mRcDkUCXVBnz:74M1OX8MUu3abBGy3G8srcfJ
Score
10/10
Malware Config
Signatures
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Modifies visibility of file extensions in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe Set value (int) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" ndsv.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe Set value (int) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ndsv.exe -
Executes dropped EXE 1 IoCs
pid Process 548 ndsv.exe -
Loads dropped DLL 2 IoCs
pid Process 2148 de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe 2148 de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe -
Modifies system executable filetype association 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt ndsv.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VisualStyle = "c:\\windows\\system32\\Desktop.sysm" ndsv.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\S: ndsv.exe File opened (read-only) \??\W: ndsv.exe File opened (read-only) \??\X: ndsv.exe File opened (read-only) \??\Z: ndsv.exe File opened (read-only) \??\R: ndsv.exe File opened (read-only) \??\T: ndsv.exe File opened (read-only) \??\U: ndsv.exe File opened (read-only) \??\E: ndsv.exe File opened (read-only) \??\I: ndsv.exe File opened (read-only) \??\J: ndsv.exe File opened (read-only) \??\K: ndsv.exe File opened (read-only) \??\L: ndsv.exe File opened (read-only) \??\H: ndsv.exe File opened (read-only) \??\M: ndsv.exe File opened (read-only) \??\O: ndsv.exe File opened (read-only) \??\P: ndsv.exe File opened (read-only) \??\Y: ndsv.exe File opened (read-only) \??\B: ndsv.exe File opened (read-only) \??\G: ndsv.exe File opened (read-only) \??\N: ndsv.exe File opened (read-only) \??\Q: ndsv.exe File opened (read-only) \??\V: ndsv.exe -
Drops file in System32 directory 6 IoCs
description ioc Process File created \??\c:\windows\SysWOW64\Desktop.sysm ndsv.exe File created \??\c:\windows\SysWOW64\CommandPrompt.Sysm ndsv.exe File created \??\c:\windows\SysWOW64\maxtrox.txt de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe File created \??\c:\windows\SysWOW64\Windows 3D.scr de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe File opened for modification \??\c:\windows\SysWOW64\maxtrox.txt ndsv.exe File opened for modification \??\c:\windows\SysWOW64\Windows 3D.scr ndsv.exe -
Drops file in Program Files directory 62 IoCs
description ioc Process File opened for modification \??\c:\Program Files\Internet Explorer\ieinstal.exe ndsv.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\maintenanceservice.exe ndsv.exe File created \??\c:\Program Files\Mozilla Firefox\updater.exe ndsv.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmpconfig.exe ndsv.exe File opened for modification \??\c:\Program Files\7-Zip\7z.exe ndsv.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\crashreporter.exe ndsv.exe File created \??\c:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe ndsv.exe File opened for modification \??\c:\Program Files\Windows Media Player\WMPSideShowGadget.exe ndsv.exe File opened for modification \??\c:\Program Files\7-Zip\Uninstall.exe ndsv.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\pingsender.exe ndsv.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\private_browsing.exe ndsv.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmprph.exe ndsv.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\firefox.exe ndsv.exe File opened for modification \??\c:\Program Files\Windows Mail\wab.exe ndsv.exe File opened for modification \??\c:\Program Files\Windows Media Player\WMPDMC.exe ndsv.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe ndsv.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\private_browsing.exe ndsv.exe File opened for modification \??\c:\Program Files\Windows Journal\PDIALOG.exe ndsv.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmpnetwk.exe ndsv.exe File opened for modification \??\c:\Program Files\7-Zip\7z.exe ndsv.exe File opened for modification \??\c:\Program Files\Internet Explorer\ielowutil.exe ndsv.exe File created \??\c:\Program Files\Mozilla Firefox\pingsender.exe ndsv.exe File opened for modification \??\c:\Program Files\Windows Mail\wabmig.exe ndsv.exe File created \??\c:\Program Files\Mozilla Firefox\plugin-container.exe ndsv.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmpenc.exe ndsv.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmpnscfg.exe ndsv.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\maintenanceservice.exe ndsv.exe File opened for modification \??\c:\Program Files\Windows Defender\MSASCui.exe ndsv.exe File opened for modification \??\c:\Program Files\Internet Explorer\iediagcmd.exe ndsv.exe File created \??\c:\Program Files\Mozilla Firefox\default-browser-agent.exe ndsv.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\default-browser-agent.exe ndsv.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\firefox.exe ndsv.exe File created \??\c:\Program Files\7-Zip\Uninstall.exe ndsv.exe File opened for modification \??\c:\Program Files\Windows Sidebar\sidebar.exe ndsv.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\updater.exe ndsv.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmlaunch.exe ndsv.exe File opened for modification \??\c:\Program Files\7-Zip\7zG.exe ndsv.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\crashreporter.exe ndsv.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe ndsv.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\plugin-container.exe ndsv.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmplayer.exe ndsv.exe File opened for modification \??\c:\Program Files\7-Zip\7zFM.exe ndsv.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\default-browser-agent.exe ndsv.exe File created \??\c:\Program Files\Mozilla Firefox\maintenanceservice.exe ndsv.exe File opened for modification \??\c:\Program Files\Windows Defender\MpCmdRun.exe ndsv.exe File created \??\c:\Program Files\Mozilla Firefox\minidump-analyzer.exe ndsv.exe File created \??\c:\Program Files\Mozilla Firefox\private_browsing.exe ndsv.exe File opened for modification \??\c:\Program Files\7-Zip\7zG.exe ndsv.exe File opened for modification \??\c:\Program Files\Internet Explorer\iexplore.exe ndsv.exe File created \??\c:\Program Files\Mozilla Firefox\crashreporter.exe ndsv.exe File created \??\c:\Program Files\Mozilla Firefox\firefox.exe ndsv.exe File created \??\c:\Program Files\7-Zip\7z.exe ndsv.exe File created \??\c:\Program Files\7-Zip\7zG.exe ndsv.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmpshare.exe ndsv.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\updater.exe ndsv.exe File created \??\c:\Program Files\7-Zip\7zFM.exe ndsv.exe File opened for modification \??\c:\Program Files\7-Zip\7zFM.exe ndsv.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\pingsender.exe ndsv.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\plugin-container.exe ndsv.exe File opened for modification \??\c:\Program Files\7-Zip\Uninstall.exe ndsv.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\minidump-analyzer.exe ndsv.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\minidump-analyzer.exe ndsv.exe -
Modifies registry class 36 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct" de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd ndsv.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic" de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1" ndsv.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon ndsv.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1" ndsv.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile ndsv.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt ndsv.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic" ndsv.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1" de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt ndsv.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe" ndsv.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm ndsv.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe" ndsv.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command ndsv.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt ndsv.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe" de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command ndsv.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe" de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1" de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct" ndsv.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon ndsv.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2148 de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe 548 ndsv.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2148 wrote to memory of 548 2148 de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe 28 PID 2148 wrote to memory of 548 2148 de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe 28 PID 2148 wrote to memory of 548 2148 de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe 28 PID 2148 wrote to memory of 548 2148 de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe"C:\Users\Admin\AppData\Local\Temp\de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce544634.exe"1⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2148 -
\??\c:\Documents and Settings\Admin\Application Data\Microsoft\ndsv.exe"c:\Documents and Settings\Admin\Application Data\Microsoft\ndsv.exe" de52f3a1a34868d16614b49da1275a559514e5dc10150f145991ade1ce5446342⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Modifies system executable filetype association
- 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
PID:548
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Modify Registry
4Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
76KB
MD564f3418dd996457e3fe45dabbee5e815
SHA1e7e6b60f6661fd889081e0318bf04682adf66f37
SHA256b19b24b4720226f83ee9197754342a436ff1911eae7bf4ed3e042cf2933e60c4
SHA512959bc9e4a9ab10fc14d5f14e2e78b003d251658bcfb391b91606193442fb69ff5f8a59fc8b793655b1b887835b1e6863e7a219d89ee16f1dbbb9955c7b833a29
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Filesize
8B
MD524865ca220aa1936cbac0a57685217c5
SHA137f687cafe79e91eae6cbdffbf2f7ad3975f5e83
SHA256841e95fa333ed89085bfbab19bb658d96ed0c837d25721411233fa55c860c743
SHA512c8d3f514c72f48fed5de9582c4252cf5466a9d32866d8df3631ba9274ed734bb95139e4909e8116a10947fc1afa1dbeb33809da6ec050e6e4eb83d5241aeb062
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Filesize
76KB
MD5def13db7efa4cf74ab82651a267c18e1
SHA1330102b2114e181d58f0a9802d35b73ca2b18506
SHA256b766c04172cb81c90bb52d02d5223189469c1b235dbbbda03eb257becfbaa0e4
SHA512fa4d65cc27145f8a7333241fac89e29667a50f7503fc4057297c34d9300bf4446b93b03756af2c248fda2f3525a14ed9670d91841c911adfae68a3e73b7ddf0f