d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61

General

Target

d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe
Size

76KB
MD5

7e5162c3e5f143bdc4160ccb92debd23
SHA1

88e07eb8092a22cbdc0f3f2ba39ec40c08d6253f
SHA256

d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61
SHA512

8cd3555f4c2973278e9519c725b0760ebb48c81df3b18454775ab6c32335c181ae8e1893a3c8862354f7f21e543553d6c084346023fa7c08505b7fc77137a77d
SSDEEP

768:Fe8bNRqsuhlGOBnhgFwumSCbxTGy/BBGg4NKJJKqUThbJ32+ve7i40vN0TlT+Xkn:xnqJu3abBGy3G8V0iuoKy

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:

d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exeduxp.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.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:

d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exeduxp.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\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:

duxp.exed9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	duxp.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe

Executes dropped EXE 1 IoCs

Processes:

duxp.exe

pid process

1204 duxp.exe

pid	process
1204	duxp.exe

Loads dropped DLL 2 IoCs

Processes:

d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe

pid	process
1676	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe
1676	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.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)	\??\I:	duxp.exe
File opened (read-only)	\??\P:	duxp.exe
File opened (read-only)	\??\R:	duxp.exe
File opened (read-only)	\??\G:	duxp.exe
File opened (read-only)	\??\K:	duxp.exe
File opened (read-only)	\??\N:	duxp.exe
File opened (read-only)	\??\Q:	duxp.exe
File opened (read-only)	\??\S:	duxp.exe
File opened (read-only)	\??\V:	duxp.exe
File opened (read-only)	\??\X:	duxp.exe
File opened (read-only)	\??\Y:	duxp.exe
File opened (read-only)	\??\Z:	duxp.exe
File opened (read-only)	\??\E:	duxp.exe
File opened (read-only)	\??\F:	duxp.exe
File opened (read-only)	\??\L:	duxp.exe
File opened (read-only)	\??\U:	duxp.exe
File opened (read-only)	\??\W:	duxp.exe
File opened (read-only)	\??\B:	duxp.exe
File opened (read-only)	\??\H:	duxp.exe
File opened (read-only)	\??\J:	duxp.exe
File opened (read-only)	\??\M:	duxp.exe
File opened (read-only)	\??\O:	duxp.exe
File opened (read-only)	\??\T:	duxp.exe

Drops file in System32 directory 6 IoCs

Processes:

d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exeduxp.exe

description	ioc	process
File created	\??\c:\windows\SysWOW64\Windows 3D.scr	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.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
File created	\??\c:\windows\SysWOW64\maxtrox.txt	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe

Drops file in Program Files directory 34 IoCs

Processes:

duxp.exe

description	ioc	process
File opened for modification	\??\c:\Program Files\Mozilla Firefox\plugin-container.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\wmpshare.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\Internet Explorer\iexplore.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\minidump-analyzer.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\Windows Mail\wab.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpenc.exe	duxp.exe
File opened for modification	\??\c:\Program Files\7-Zip\7zFM.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\pingsender.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmplayer.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\iediagcmd.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\maintenanceservice.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\updater.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\WMPDMC.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\WMPSideShowGadget.exe	duxp.exe
File opened for modification	\??\c:\Program Files\7-Zip\7zG.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\ielowutil.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Windows Defender\MpCmdRun.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Windows Journal\PDIALOG.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\wmprph.exe	duxp.exe
File opened for modification	\??\c:\Program Files\7-Zip\7z.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\firefox.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpconfig.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpnetwk.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Windows Defender\MSASCui.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Windows Mail\wabmig.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Windows Sidebar\sidebar.exe	duxp.exe

Modifies registry class 36 IoCs

Processes:

d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exeduxp.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	duxp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	duxp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	duxp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	duxp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	duxp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	duxp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	duxp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	duxp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	duxp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	duxp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	duxp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	duxp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	duxp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	duxp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	duxp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	duxp.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exeduxp.exe

pid process

1676 d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe
1204 duxp.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe

description	pid	process	target process
PID 1676 wrote to memory of 1204	1676	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe	duxp.exe
PID 1676 wrote to memory of 1204	1676	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe	duxp.exe
PID 1676 wrote to memory of 1204	1676	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe	duxp.exe
PID 1676 wrote to memory of 1204	1676	d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe	duxp.exe

C:\Users\Admin\AppData\Local\Temp\d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.exe
"C:\Users\Admin\AppData\Local\Temp\d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61.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
PID:1676

\??\c:\Documents and Settings\Admin\Application Data\Microsoft\duxp.exe
"c:\Documents and Settings\Admin\Application Data\Microsoft\duxp.exe" d9aa8526954c43d559d5aec89ed5345894583925a28f0ca3c3b1f73c8d6a5b61
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:1204

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
68e51dbc16138993c1a71e42f0c9b129

SHA1
7b58bf1a4b85209146895f5d358d00898df6de55

SHA256
78f3eef4bf682ee82dfb3ce2047479e484a60bacae5f131b973dfb98c2b9b0ff

SHA512
74b6c2728409ba3f217e337d681a1e4dfd37277218bc73534717c153af57ce8fb4a1242a192b52c1fe5bd38403f1b4c41d39de07efb18a83a6d1cad200b6e494

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

Filesize
76KB

MD5
68e51dbc16138993c1a71e42f0c9b129

SHA1
7b58bf1a4b85209146895f5d358d00898df6de55

SHA256
78f3eef4bf682ee82dfb3ce2047479e484a60bacae5f131b973dfb98c2b9b0ff

SHA512
74b6c2728409ba3f217e337d681a1e4dfd37277218bc73534717c153af57ce8fb4a1242a192b52c1fe5bd38403f1b4c41d39de07efb18a83a6d1cad200b6e494

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

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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

Filesize
8B

MD5
24865ca220aa1936cbac0a57685217c5

SHA1
37f687cafe79e91eae6cbdffbf2f7ad3975f5e83

SHA256
841e95fa333ed89085bfbab19bb658d96ed0c837d25721411233fa55c860c743

SHA512
c8d3f514c72f48fed5de9582c4252cf5466a9d32866d8df3631ba9274ed734bb95139e4909e8116a10947fc1afa1dbeb33809da6ec050e6e4eb83d5241aeb062

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\duxp.exe

Filesize
76KB

MD5
68e51dbc16138993c1a71e42f0c9b129

SHA1
7b58bf1a4b85209146895f5d358d00898df6de55

SHA256
78f3eef4bf682ee82dfb3ce2047479e484a60bacae5f131b973dfb98c2b9b0ff

SHA512
74b6c2728409ba3f217e337d681a1e4dfd37277218bc73534717c153af57ce8fb4a1242a192b52c1fe5bd38403f1b4c41d39de07efb18a83a6d1cad200b6e494

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\duxp.exe

Filesize
76KB

MD5
68e51dbc16138993c1a71e42f0c9b129

SHA1
7b58bf1a4b85209146895f5d358d00898df6de55

SHA256
78f3eef4bf682ee82dfb3ce2047479e484a60bacae5f131b973dfb98c2b9b0ff

SHA512
74b6c2728409ba3f217e337d681a1e4dfd37277218bc73534717c153af57ce8fb4a1242a192b52c1fe5bd38403f1b4c41d39de07efb18a83a6d1cad200b6e494

Download Submit
memory/1204-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads