58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620

Analysis

max time kernel
117s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20/09/2024, 09:07

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General

Target

58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
Size

76KB
MD5

d9b997e3dcadb5b722c757e347e56210
SHA1

1bd0f72acd47b2db5594a5f6d30300ed0ed6cf3f
SHA256

58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620
SHA512

be55d4fb076000d589395b1787e6bfd6b52a595d16c120590575d3db7658dabee460ef55f27f9e2105ea7396463525d2c36a9d5a9949e5e43983e81d6cc900b8
SSDEEP

768:XEHoMSL0OXIxDMyDRjFVZrhgFwumSCbxTGy/BBGg4NK8jhh/vn2+mRcDkUCXVBnp:yoM1OX8MUu3abBGy3G8srcfn

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

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	wdsw.exe

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

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	wdsw.exe

Executes dropped EXE 1 IoCs

pid	Process
2488	wdsw.exe

Modifies system executable filetype association 2 TTPs 2 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	wdsw.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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

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

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	\??\c:\windows\SysWOW64\maxtrox.txt	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
File created	\??\c:\windows\SysWOW64\Windows 3D.scr	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
File opened for modification	\??\c:\windows\SysWOW64\maxtrox.txt	wdsw.exe
File opened for modification	\??\c:\windows\SysWOW64\Windows 3D.scr	wdsw.exe
File created	\??\c:\windows\SysWOW64\Desktop.sysm	wdsw.exe
File created	\??\c:\windows\SysWOW64\CommandPrompt.Sysm	wdsw.exe

Drops file in Program Files directory 55 IoCs

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wdsw.exe

Modifies registry class 36 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	wdsw.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	wdsw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	wdsw.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	wdsw.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	wdsw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	wdsw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	wdsw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	wdsw.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	wdsw.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	wdsw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	wdsw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	wdsw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	wdsw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	wdsw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	wdsw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	wdsw.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4600	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
2488	wdsw.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4600 wrote to memory of 2488	4600	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe	84
PID 4600 wrote to memory of 2488	4600	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe	84
PID 4600 wrote to memory of 2488	4600	58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe	84

C:\Users\Admin\AppData\Local\Temp\58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.exe
"C:\Users\Admin\AppData\Local\Temp\58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N.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:4600
- \??\c:\Documents and Settings\Admin\Application Data\Microsoft\wdsw.exe
  "c:\Documents and Settings\Admin\Application Data\Microsoft\wdsw.exe" 58e8e8a32ae931b7494e7ebd2fc5a4117e67071a61101b69fc5e69be37eb3620N
  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:2488

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
76KB

MD5
84a4fe827217a9a29a7f382a7f30711b

SHA1
b2471d566b85cd51d84eaad7611df299a7e7a884

SHA256
04572c9f109188e46105e6853ce913d5d766ea72e5198bb43a2e947488bfb118

SHA512
ed5d590d49acaf43b3cf26ccfb08865f19aa5cb2d18632fcbf84b5481a90f404b7641a6212c6b821b88ba5d7fea7b494d4872dcbac2efa85ef847563cf3758b8

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

Filesize
76KB

MD5
42d375e3982722b50a461c6f73475464

SHA1
385b18dc87a2da49d139f520ec451211d2634cd8

SHA256
dd7e463a066b5a27493b74cb33aee55e91c61d370582102adfbbf06fd59e0fbf

SHA512
202421a81a6a74bc8b70f1acf18bcca98fa6ec32ec1d72709eb6745fe7f2cd2a2828f598a8eb83d88f137d23ad2b65618b3f72a2a8b541d74a19b6e32ea9c50b

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

Filesize
8B

MD5
24865ca220aa1936cbac0a57685217c5

SHA1
37f687cafe79e91eae6cbdffbf2f7ad3975f5e83

SHA256
841e95fa333ed89085bfbab19bb658d96ed0c837d25721411233fa55c860c743

SHA512
c8d3f514c72f48fed5de9582c4252cf5466a9d32866d8df3631ba9274ed734bb95139e4909e8116a10947fc1afa1dbeb33809da6ec050e6e4eb83d5241aeb062

Download Submit
memory/2488-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4600-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4600-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads