19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c

General

Target

19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
Size

76KB
MD5

18618f5c00b81d0262ee04dc3233a207
SHA1

242a4334449a69b4deb24b6149e30a43a2998197
SHA256

19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c
SHA512

0acd8f2be884c15e2f9c30caae73d7f7981ef4c03b08e2b23090a74c4e592ecbf534e954ddc02887311adb8005ebc696e4e2ab7fa6ac1c5567602afabb51c293
SSDEEP

768:sembNRqsuhlGOBrhgFwumSCbxTGy/BBGg41KJJKqUThbJ32+ve7i40vN0TlT+Xkq:mnqdu3abBGy3GEV0iuo2X

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 2 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exeduxp.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	duxp.exe

Modifies visibility of file extensions in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exeduxp.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	duxp.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exeduxp.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	duxp.exe

Executes dropped EXE 1 IoCs

Processes:

duxp.exe

pid process

4856 duxp.exe

pid	process
4856	duxp.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

duxp.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	duxp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VisualStyle = "c:\\windows\\system32\\Desktop.sysm"	duxp.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

duxp.exe

description	ioc	process
File opened (read-only)	\??\F:	duxp.exe
File opened (read-only)	\??\I:	duxp.exe
File opened (read-only)	\??\U:	duxp.exe
File opened (read-only)	\??\V:	duxp.exe
File opened (read-only)	\??\Z:	duxp.exe
File opened (read-only)	\??\E:	duxp.exe
File opened (read-only)	\??\H:	duxp.exe
File opened (read-only)	\??\J:	duxp.exe
File opened (read-only)	\??\N:	duxp.exe
File opened (read-only)	\??\Q:	duxp.exe
File opened (read-only)	\??\Y:	duxp.exe
File opened (read-only)	\??\B:	duxp.exe
File opened (read-only)	\??\G:	duxp.exe
File opened (read-only)	\??\L:	duxp.exe
File opened (read-only)	\??\M:	duxp.exe
File opened (read-only)	\??\O:	duxp.exe
File opened (read-only)	\??\S:	duxp.exe
File opened (read-only)	\??\W:	duxp.exe
File opened (read-only)	\??\K:	duxp.exe
File opened (read-only)	\??\P:	duxp.exe
File opened (read-only)	\??\R:	duxp.exe
File opened (read-only)	\??\T:	duxp.exe
File opened (read-only)	\??\X:	duxp.exe

Drops file in System32 directory 6 IoCs

Processes:

19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exeduxp.exe

description	ioc	process
File created	\??\c:\windows\SysWOW64\maxtrox.txt	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
File created	\??\c:\windows\SysWOW64\Windows 3D.scr	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
File opened for modification	\??\c:\windows\SysWOW64\maxtrox.txt	duxp.exe
File opened for modification	\??\c:\windows\SysWOW64\Windows 3D.scr	duxp.exe
File created	\??\c:\windows\SysWOW64\Desktop.sysm	duxp.exe
File created	\??\c:\windows\SysWOW64\CommandPrompt.Sysm	duxp.exe

Drops file in Program Files directory 27 IoCs

Processes:

duxp.exe

description	ioc	process
File opened for modification	\??\c:\Program Files\Windows Media Player\setup_wm.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmplayer.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmprph.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\minidump-analyzer.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Windows Mail\wabmig.exe	duxp.exe
File opened for modification	\??\c:\Program Files\7-Zip\Uninstall.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\ieinstal.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\pingsender.exe	duxp.exe
File opened for modification	\??\c:\Program Files\7-Zip\7zFM.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\ielowutil.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\iexplore.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\firefox.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\maintenanceservice.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmlaunch.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpnetwk.exe	duxp.exe
File opened for modification	\??\c:\Program Files\7-Zip\7z.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpnscfg.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpconfig.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\plugin-hang-ui.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\updater.exe	duxp.exe
File opened for modification	\??\c:\Program Files\7-Zip\7zG.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\crashreporter.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\default-browser-agent.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\plugin-container.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpshare.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\iediagcmd.exe	duxp.exe

Modifies registry class 36 IoCs

Processes:

19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exeduxp.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	duxp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	duxp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	duxp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	duxp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	duxp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	duxp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	duxp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	duxp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	duxp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	duxp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	duxp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	duxp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	duxp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	duxp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	duxp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	duxp.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exeduxp.exe

pid process

2252 19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
4856 duxp.exe

pid	process
2252	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
4856	duxp.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe

description	pid	process	target process
PID 2252 wrote to memory of 4856	2252	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe	duxp.exe
PID 2252 wrote to memory of 4856	2252	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe	duxp.exe
PID 2252 wrote to memory of 4856	2252	19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe	duxp.exe

C:\Users\Admin\AppData\Local\Temp\19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe
"C:\Users\Admin\AppData\Local\Temp\19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c.exe"
1⤵
- Modifies system executable filetype association
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2252

\??\c:\Documents and Settings\Admin\Application Data\Microsoft\duxp.exe
"c:\Documents and Settings\Admin\Application Data\Microsoft\duxp.exe" 19f7c22ea40b583468d54b91e3965b79269605c077410180b792d0b980a7578c
2⤵
- 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
PID:4856

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Hidden Files and Directories

2

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\duxp.exe

Filesize
76KB

MD5
a15f316eb632dde2f506a3911ca55862

SHA1
38f6fb5da7ab433867cbd08600dec67b7dda1d6c

SHA256
645284d68aef58a2f04ac060044cb016c1c879e1a9945c76a99fda7acab11299

SHA512
df3a5d3b77a085530c371ae12bb1135d854997fd036b129f543159c70fdb4e2e2c2ed6a73252ca84a7589ccae64c46bf8cdd31346296bf62caa8d965cc0b53ce

Download Submit
\??\c:\Documents and Settings\Admin\Application Data\Microsoft\duxp.exe

Filesize
76KB

MD5
a15f316eb632dde2f506a3911ca55862

SHA1
38f6fb5da7ab433867cbd08600dec67b7dda1d6c

SHA256
645284d68aef58a2f04ac060044cb016c1c879e1a9945c76a99fda7acab11299

SHA512
df3a5d3b77a085530c371ae12bb1135d854997fd036b129f543159c70fdb4e2e2c2ed6a73252ca84a7589ccae64c46bf8cdd31346296bf62caa8d965cc0b53ce

Download Submit
\??\c:\windows\SysWOW64\Windows 3D.scr

Filesize
76KB

MD5
152c7d017260fa0747f59ceb2164a94c

SHA1
72b3a771fdf9c001d780e399b818a22ccb6960bb

SHA256
6734ce7bf5b39366f8091c403bcfd4a8519895df0ea49d02f60f2c361384f781

SHA512
179effef70c6e4d48cf75917d9e10e0067febfe52a10938a7acb6e18838ab2d022c49b2bda98a306a84163f733005710a61201bde9e2e9acf52e76d1f0d7a392

Download Submit
\??\c:\windows\SysWOW64\maxtrox.txt

Filesize
8B

MD5
24865ca220aa1936cbac0a57685217c5

SHA1
37f687cafe79e91eae6cbdffbf2f7ad3975f5e83

SHA256
841e95fa333ed89085bfbab19bb658d96ed0c837d25721411233fa55c860c743

SHA512
c8d3f514c72f48fed5de9582c4252cf5466a9d32866d8df3631ba9274ed734bb95139e4909e8116a10947fc1afa1dbeb33809da6ec050e6e4eb83d5241aeb062

Download Submit
memory/4856-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads