c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c

General

Target

c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Size

76KB
MD5

42f4bc0318ddecc671e3111d1f14ec69
SHA1

a85a276139a6e0b511e4061cdcaa167065cc484c
SHA256

c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c
SHA512

15a1aaf1fe5d6f381497b8c776b6aa98a2109005bcebca5bace011e125712039c9dad191e395c3a05e96adf212ffb9bdbd6b5622a96a3d89529c221e59fb61d3
SSDEEP

768:6e8bNRqsuhlGOBnhgFwumSCbxTGy/BBGg4NKJJKqUThbJ32+ve7i40vN0TlT+XkE:unqJu3abBGy3G8V0iuo8

Score

10^/10

discovery evasion persistence

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Processes:

c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exeduxp.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\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

T1564.001

Modify Registry

T1112

Processes:

c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exeduxp.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	duxp.exe

Executes dropped EXE 1 IoCs

Processes:

duxp.exe

pid process

4372 duxp.exe

pid	process
4372	duxp.exe

Modifies system executable filetype association 2 TTPs 2 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

duxp.exec15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	duxp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

duxp.exe

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

Enumerates connected drives 3 TTPs 22 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)	\??\V:	duxp.exe
File opened (read-only)	\??\H:	duxp.exe
File opened (read-only)	\??\I:	duxp.exe
File opened (read-only)	\??\K:	duxp.exe
File opened (read-only)	\??\M:	duxp.exe
File opened (read-only)	\??\O:	duxp.exe
File opened (read-only)	\??\Q:	duxp.exe
File opened (read-only)	\??\S:	duxp.exe
File opened (read-only)	\??\B:	duxp.exe
File opened (read-only)	\??\W:	duxp.exe
File opened (read-only)	\??\T:	duxp.exe
File opened (read-only)	\??\G:	duxp.exe
File opened (read-only)	\??\J:	duxp.exe
File opened (read-only)	\??\P:	duxp.exe
File opened (read-only)	\??\Z:	duxp.exe
File opened (read-only)	\??\E:	duxp.exe
File opened (read-only)	\??\N:	duxp.exe
File opened (read-only)	\??\R:	duxp.exe
File opened (read-only)	\??\U:	duxp.exe
File opened (read-only)	\??\X:	duxp.exe
File opened (read-only)	\??\Y:	duxp.exe
File opened (read-only)	\??\L:	duxp.exe

Drops file in System32 directory 6 IoCs

Processes:

duxp.exec15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe

description	ioc	process
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	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
File created	\??\c:\windows\SysWOW64\Windows 3D.scr	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
File opened for modification	\??\c:\windows\SysWOW64\maxtrox.txt	duxp.exe

Drops file in Program Files directory 27 IoCs

Processes:

duxp.exe

description	ioc	process
File opened for modification	\??\c:\Program Files\Mozilla Firefox\maintenanceservice.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\iediagcmd.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\maintenanceservice_installer.exe	duxp.exe
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\wmpnscfg.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\pingsender.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpshare.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\updater.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\wmpconfig.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\iexplore.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\firefox.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\Mozilla Firefox\plugin-container.exe	duxp.exe
File opened for modification	\??\c:\Program Files\7-Zip\7z.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Windows Mail\wabmig.exe	duxp.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpnetwk.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\Uninstall.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\private_browsing.exe	duxp.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exeduxp.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	duxp.exe

Modifies registry class 36 IoCs

Processes:

c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exeduxp.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	duxp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	duxp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	duxp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	duxp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	duxp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	duxp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.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\.sysm\Shell\Open\Command	duxp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	duxp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	duxp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	duxp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	duxp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.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\ = "System Mechanic"	duxp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	duxp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exeduxp.exe

pid process

4924 c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
4372 duxp.exe

pid	process
4924	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
4372	duxp.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe

description	pid	process	target process
PID 4924 wrote to memory of 4372	4924	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe	duxp.exe
PID 4924 wrote to memory of 4372	4924	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe	duxp.exe
PID 4924 wrote to memory of 4372	4924	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe	duxp.exe

C:\Users\Admin\AppData\Local\Temp\c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
"C:\Users\Admin\AppData\Local\Temp\c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.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
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4924
- \??\c:\Documents and Settings\Admin\Application Data\Microsoft\duxp.exe
  "c:\Documents and Settings\Admin\Application Data\Microsoft\duxp.exe" c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c
  2⤵
  - 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
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:4372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Defense Evasion

Hide Artifacts

2

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
76KB

MD5
e2438cef5dc2f4d644f447ea7a60b0fa

SHA1
28d9c54b0e20b0f5382eeef80c80855a8873ed1b

SHA256
065076b18130afc324a127a17bf8d6cf47431224d56de3bd8607837e3736a63f

SHA512
18a124fc2783baea59315ed41d8450cb515306703e8158a9223b9846e2d7b2b1527d088e3f744029a19bff1fb3c71a55766fefc37bdae5f48a8dad4c5e60495a

Download Submit
C:\Windows\SysWOW64\Desktop.sysm

Filesize
76KB

MD5
1ed8fb83c3d68291d89ee86363a38611

SHA1
86d7f8dab997c281fef7c5d15b2a06103208e3d9

SHA256
96d6443d5f365564d54a58ac04162ab7fc1bebd795f37f0b363d50cc1616b062

SHA512
9d3564f1218c7683cc7e57f009a5e13f33d65857ed1f5825b0cafa3505f28cfe977c06205511c4abf0530931a770ded0b9714513f94b5b9fe92a673c46a0bce8

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads