e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052

General

Target

e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
Size

76KB
MD5

5132f3f3b6b566fb39fee90fe9dcbc07
SHA1

62f93b315233a590bd4b77c25a3db66b0697d55f
SHA256

e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052
SHA512

39ef09b48dfa1caa86393ad8cb2384c6ca7ffcb368a706e97c3fc17bdcfec01598d851d55f8e7f66a4263414c3e25e71b3139d1df45fd12065bc37d966af177d
SSDEEP

768:ae8bNRqsuhlGOBnhgFwumSCbxTGy/BBGg4NKJJKqUThbJ32+ve7i40vN0TlT+Xk1:OnqJu3abBGy3G8V0iuo9

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:

e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exewdsp.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	wdsp.exe

Modifies visibility of file extensions in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exewdsp.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	wdsp.exe

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

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exewdsp.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	wdsp.exe

Executes dropped EXE 1 IoCs

Processes:

wdsp.exe

pid process

2192 wdsp.exe

pid	process
2192	wdsp.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wdsp.exe

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

wdsp.exe

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

Drops file in System32 directory 6 IoCs

Processes:

wdsp.exee9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe

description	ioc	process
File created	\??\c:\windows\SysWOW64\CommandPrompt.Sysm	wdsp.exe
File created	\??\c:\windows\SysWOW64\maxtrox.txt	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
File created	\??\c:\windows\SysWOW64\Windows 3D.scr	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
File opened for modification	\??\c:\windows\SysWOW64\maxtrox.txt	wdsp.exe
File opened for modification	\??\c:\windows\SysWOW64\Windows 3D.scr	wdsp.exe
File created	\??\c:\windows\SysWOW64\Desktop.sysm	wdsp.exe

Drops file in Program Files directory 27 IoCs

Processes:

wdsp.exe

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

Modifies registry class 36 IoCs

Processes:

e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exewdsp.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	wdsp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	wdsp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	wdsp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	wdsp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	wdsp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	wdsp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	wdsp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	wdsp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	wdsp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	wdsp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	wdsp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	wdsp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	wdsp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	wdsp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	wdsp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	wdsp.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exewdsp.exe

pid process

984 e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
2192 wdsp.exe

pid	process
984	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
2192	wdsp.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe

description	pid	process	target process
PID 984 wrote to memory of 2192	984	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe	wdsp.exe
PID 984 wrote to memory of 2192	984	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe	wdsp.exe
PID 984 wrote to memory of 2192	984	e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe	wdsp.exe

C:\Users\Admin\AppData\Local\Temp\e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.exe
"C:\Users\Admin\AppData\Local\Temp\e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052.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:984

\??\c:\Documents and Settings\Admin\Application Data\Microsoft\wdsp.exe
"c:\Documents and Settings\Admin\Application Data\Microsoft\wdsp.exe" e9efdad6c6f95c1afc1c90da145c6c38bf0cd5d250ae8758363a75ca83df3052
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:2192

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\wdsp.exe

Filesize
76KB

MD5
b07ee1bb68e124740bef88f736c6f02b

SHA1
9f26980fcdcb0c7f97bcba026d8b55655228e573

SHA256
0c165c111c5b9add4082dbea855aa46bc51ea705c517b2d6e54901a2bd368724

SHA512
be23f262d91b456e8aa21a38ee6dfba50d3405c34546d9fc0ec468e0c7d05eba5feaccdacb59b29c1f91faf81901c1b0d83d522c0fe7fb5060046c87ed11114f

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

Filesize
76KB

MD5
b07ee1bb68e124740bef88f736c6f02b

SHA1
9f26980fcdcb0c7f97bcba026d8b55655228e573

SHA256
0c165c111c5b9add4082dbea855aa46bc51ea705c517b2d6e54901a2bd368724

SHA512
be23f262d91b456e8aa21a38ee6dfba50d3405c34546d9fc0ec468e0c7d05eba5feaccdacb59b29c1f91faf81901c1b0d83d522c0fe7fb5060046c87ed11114f

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

Filesize
76KB

MD5
63b38028d3f72ba1a05258f97095ba85

SHA1
a725820de427b7ca659c9cf0dd38c4da298060e0

SHA256
d9212d6be93112ab0758771d512cf003143c1c4b13840d88f07a9704853a5b98

SHA512
ad62be98fe72fb6b2eae7fa76d79ef8fd0af5fcaa48fafd72c7e04b390646bb1eb06853c5addd2a5c19cc8c42e7d7a4b84dfee1127dd6335b2157f215a43e6e2

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

Filesize
8B

MD5
24865ca220aa1936cbac0a57685217c5

SHA1
37f687cafe79e91eae6cbdffbf2f7ad3975f5e83

SHA256
841e95fa333ed89085bfbab19bb658d96ed0c837d25721411233fa55c860c743

SHA512
c8d3f514c72f48fed5de9582c4252cf5466a9d32866d8df3631ba9274ed734bb95139e4909e8116a10947fc1afa1dbeb33809da6ec050e6e4eb83d5241aeb062

Download Submit
memory/2192-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads