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Analysis
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max time kernel
147s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
06/03/2024, 17:51
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe
Resource
win7-20240221-en
windows7-x64
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe
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Size
76KB
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MD5
3c0a8699172d7886b98c5399ca95a5fa
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SHA1
611613328460301f4659b78f22b6582b13aae43b
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SHA256
170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d
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SHA512
b0d8fe7602dc819e2f404e6365a11e2fc0eb6cc6339a10df0b3230888db57dc9951e0357f7edc32f2aa12883ed35dddb44b2b4acaa348bec7bfb79534870af81
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SSDEEP
768:QM34MSL0OXIxDMyDRjFVZrhgFwumSCbxTGy/BBGg4NK8jhh/vn2+mRcDkUCXVBno:74M1OX8MUu3abBGy3G8srcfu
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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe Set value (int) \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" wamg.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe Set value (int) \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" wamg.exe -
Executes dropped EXE 1 IoCs
pid Process 5100 wamg.exe -
Modifies system executable filetype association 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt wamg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.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" wamg.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) \??\Y: wamg.exe File opened (read-only) \??\G: wamg.exe File opened (read-only) \??\H: wamg.exe File opened (read-only) \??\I: wamg.exe File opened (read-only) \??\X: wamg.exe File opened (read-only) \??\S: wamg.exe File opened (read-only) \??\W: wamg.exe File opened (read-only) \??\Z: wamg.exe File opened (read-only) \??\K: wamg.exe File opened (read-only) \??\P: wamg.exe File opened (read-only) \??\Q: wamg.exe File opened (read-only) \??\R: wamg.exe File opened (read-only) \??\O: wamg.exe File opened (read-only) \??\T: wamg.exe File opened (read-only) \??\B: wamg.exe File opened (read-only) \??\E: wamg.exe File opened (read-only) \??\M: wamg.exe File opened (read-only) \??\N: wamg.exe File opened (read-only) \??\J: wamg.exe File opened (read-only) \??\L: wamg.exe File opened (read-only) \??\U: wamg.exe File opened (read-only) \??\V: wamg.exe -
Drops file in System32 directory 6 IoCs
description ioc Process File created \??\c:\windows\SysWOW64\Windows 3D.scr 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe File opened for modification \??\c:\windows\SysWOW64\maxtrox.txt wamg.exe File opened for modification \??\c:\windows\SysWOW64\Windows 3D.scr wamg.exe File created \??\c:\windows\SysWOW64\Desktop.sysm wamg.exe File created \??\c:\windows\SysWOW64\CommandPrompt.Sysm wamg.exe File created \??\c:\windows\SysWOW64\maxtrox.txt 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe -
Drops file in Program Files directory 55 IoCs
description ioc Process File opened for modification \??\c:\Program Files\7-Zip\7z.exe wamg.exe File opened for modification \??\c:\Program Files\7-Zip\7zFM.exe wamg.exe File created \??\c:\Program Files\7-Zip\7zG.exe wamg.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\private_browsing.exe wamg.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmplayer.exe wamg.exe File opened for modification \??\c:\Program Files\Internet Explorer\ielowutil.exe wamg.exe File created \??\c:\Program Files\Mozilla Firefox\pingsender.exe wamg.exe File opened for modification \??\c:\Program Files\7-Zip\7z.exe wamg.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\pingsender.exe wamg.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\private_browsing.exe wamg.exe File opened for modification \??\c:\Program Files\Windows Media Player\setup_wm.exe wamg.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\default-browser-agent.exe wamg.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmpnscfg.exe wamg.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\minidump-analyzer.exe wamg.exe File created \??\c:\Program Files\Mozilla Firefox\firefox.exe wamg.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\updater.exe wamg.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\crashreporter.exe wamg.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\firefox.exe wamg.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmpshare.exe wamg.exe File opened for modification \??\c:\Program Files\7-Zip\7zG.exe wamg.exe File created \??\c:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe wamg.exe File created \??\c:\Program Files\Mozilla Firefox\plugin-container.exe wamg.exe File created \??\c:\Program Files\Mozilla Firefox\updater.exe wamg.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmpconfig.exe wamg.exe File created \??\c:\Program Files\7-Zip\7zFM.exe wamg.exe File opened for modification \??\c:\Program Files\Internet Explorer\iexplore.exe wamg.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\default-browser-agent.exe wamg.exe File created \??\c:\Program Files\Mozilla Firefox\minidump-analyzer.exe wamg.exe File created \??\c:\Program Files\Mozilla Firefox\private_browsing.exe wamg.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\updater.exe wamg.exe File opened for modification \??\c:\Program Files\Internet Explorer\iediagcmd.exe wamg.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\crashreporter.exe wamg.exe File opened for modification \??\c:\Program Files\Internet Explorer\ieinstal.exe wamg.exe File created \??\c:\Program Files\Mozilla Firefox\crashreporter.exe wamg.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\firefox.exe wamg.exe File created \??\c:\Program Files\Mozilla Firefox\maintenanceservice.exe wamg.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\maintenanceservice.exe wamg.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe wamg.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\pingsender.exe wamg.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\plugin-container.exe wamg.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmprph.exe wamg.exe File opened for modification \??\c:\Program Files\7-Zip\7zG.exe wamg.exe File created \??\c:\Program Files\7-Zip\Uninstall.exe wamg.exe File opened for modification \??\c:\Program Files\7-Zip\7zFM.exe wamg.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\plugin-container.exe wamg.exe File created \??\c:\Program Files\Mozilla Firefox\default-browser-agent.exe wamg.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe wamg.exe File opened for modification \??\c:\Program Files\Windows Mail\wabmig.exe wamg.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmpnetwk.exe wamg.exe File created \??\c:\Program Files\7-Zip\7z.exe wamg.exe File opened for modification \??\c:\Program Files\7-Zip\Uninstall.exe wamg.exe File opened for modification \??\c:\Program Files\7-Zip\Uninstall.exe wamg.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\maintenanceservice.exe wamg.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\minidump-analyzer.exe wamg.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmlaunch.exe wamg.exe -
Modifies registry class 36 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe" 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe" 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1" 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic" 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile wamg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd wamg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt wamg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt wamg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct" wamg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct" 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt wamg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command wamg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1" 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon wamg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm wamg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe" wamg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command wamg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe" wamg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic" wamg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1" wamg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon wamg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1" wamg.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4860 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe 5100 wamg.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4860 wrote to memory of 5100 4860 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe 87 PID 4860 wrote to memory of 5100 4860 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe 87 PID 4860 wrote to memory of 5100 4860 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe"C:\Users\Admin\AppData\Local\Temp\170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d.exe"1⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Modifies system executable filetype association
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4860 -
\??\c:\Documents and Settings\Admin\Application Data\Microsoft\wamg.exe"c:\Documents and Settings\Admin\Application Data\Microsoft\wamg.exe" 170b721a9b25607c0c7dbaa962201bfea68d171598e2dc514f901b557daa045d2⤵
- 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:5100
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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
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Downloads
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Filesize
76KB
MD5eed77344ea3e7c23b9b031458c313f99
SHA1a149a287af0c5c94eeeec8775272f9fab9eed51e
SHA2563da25ce982322f9644fca0ccae834f009a751379beb9b0f091e2ac6212e34174
SHA512e7dfdca99ec6b81df6d1abf46aa3b70dbcdab2de9cb9eb1fb60eecd8de2a8b04bac2780f0a4ae07babf65cac9bc940767bfc6fde68464ec997d4e9773ca72cc5
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Filesize
76KB
MD55cb2b74fa450526219a7ea5cead2b7fd
SHA1c167fd035dc453d8b2dca1876eff85ff82c7bfbb
SHA2569a4a4f51c438882b8e44059a22fa762a785a65baf404645bc3bb72b63ccb84a2
SHA512f180538c41b90facd28303982b4d9848d43fba4a513a98536884d5ad849793932471d2c303805c7c40e699ce9b1b2f196fb6c951f3fd0d926b91a8f6f8b74cbe
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Filesize
8B
MD524865ca220aa1936cbac0a57685217c5
SHA137f687cafe79e91eae6cbdffbf2f7ad3975f5e83
SHA256841e95fa333ed89085bfbab19bb658d96ed0c837d25721411233fa55c860c743
SHA512c8d3f514c72f48fed5de9582c4252cf5466a9d32866d8df3631ba9274ed734bb95139e4909e8116a10947fc1afa1dbeb33809da6ec050e6e4eb83d5241aeb062