09384bb4e63250965acc6ae868b405ca43f4f7e8f06d5a1cca4dfdf3ae5b3910

General

Target

09384bb4e63250965acc6ae868b405ca43f4f7e8f06d5a1cca4dfdf3ae5b3910.exe
Size

433KB
MD5

c9ae0a065e758f5e42f70f0527e436e6
SHA1

4cd21cca29f4310b2567776aced29576012a8df0
SHA256

09384bb4e63250965acc6ae868b405ca43f4f7e8f06d5a1cca4dfdf3ae5b3910
SHA512

3c2d56e511d344f8c3273249fa5f6aabbefad6bee13ce6fa2b2fb2fb0338f1d8475c9d4203a0c69d42cf87fda40ea580525de53961f327fcc765bb8a38469c60

Score

10^/10

adware persistence stealer

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

09384bb4e63250965acc6ae868b405ca43f4f7e8f06d5a1cca4dfdf3ae5b3910.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe"	09384bb4e63250965acc6ae868b405ca43f4f7e8f06d5a1cca4dfdf3ae5b3910.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,"	09384bb4e63250965acc6ae868b405ca43f4f7e8f06d5a1cca4dfdf3ae5b3910.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

09384bb4e63250965acc6ae868b405ca43f4f7e8f06d5a1cca4dfdf3ae5b3910.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\drivers\\spools.exe \"%1\" %*"	09384bb4e63250965acc6ae868b405ca43f4f7e8f06d5a1cca4dfdf3ae5b3910.exe

Drops file in Drivers directory 2 IoCs

Processes:

09384bb4e63250965acc6ae868b405ca43f4f7e8f06d5a1cca4dfdf3ae5b3910.exe

description	ioc	process
File created	C:\Windows\SysWOW64\drivers\spools.exe	09384bb4e63250965acc6ae868b405ca43f4f7e8f06d5a1cca4dfdf3ae5b3910.exe
File opened for modification	C:\Windows\SysWOW64\drivers\spools.exe	09384bb4e63250965acc6ae868b405ca43f4f7e8f06d5a1cca4dfdf3ae5b3910.exe

Sets service image path in registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

09384bb4e63250965acc6ae868b405ca43f4f7e8f06d5a1cca4dfdf3ae5b3910.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	09384bb4e63250965acc6ae868b405ca43f4f7e8f06d5a1cca4dfdf3ae5b3910.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe"	09384bb4e63250965acc6ae868b405ca43f4f7e8f06d5a1cca4dfdf3ae5b3910.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	09384bb4e63250965acc6ae868b405ca43f4f7e8f06d5a1cca4dfdf3ae5b3910.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe"	09384bb4e63250965acc6ae868b405ca43f4f7e8f06d5a1cca4dfdf3ae5b3910.exe

Installs/modifies Browser Helper Object 2 TTPs
BHOs are DLL modules which act as plugins for Internet Explorer.
stealer adware

Modify Registry
T1112

Browser Extensions
T1176

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

09384bb4e63250965acc6ae868b405ca43f4f7e8f06d5a1cca4dfdf3ae5b3910.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UIHost = "logonui.exe"	09384bb4e63250965acc6ae868b405ca43f4f7e8f06d5a1cca4dfdf3ae5b3910.exe

Modifies registry class 1 IoCs

Processes:

09384bb4e63250965acc6ae868b405ca43f4f7e8f06d5a1cca4dfdf3ae5b3910.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\drivers\\spools.exe \"%1\" %*"	09384bb4e63250965acc6ae868b405ca43f4f7e8f06d5a1cca4dfdf3ae5b3910.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

09384bb4e63250965acc6ae868b405ca43f4f7e8f06d5a1cca4dfdf3ae5b3910.exe

description	pid	process	target process
PID 644 wrote to memory of 1568	644	09384bb4e63250965acc6ae868b405ca43f4f7e8f06d5a1cca4dfdf3ae5b3910.exe	reg.exe
PID 644 wrote to memory of 1568	644	09384bb4e63250965acc6ae868b405ca43f4f7e8f06d5a1cca4dfdf3ae5b3910.exe	reg.exe
PID 644 wrote to memory of 1568	644	09384bb4e63250965acc6ae868b405ca43f4f7e8f06d5a1cca4dfdf3ae5b3910.exe	reg.exe

C:\Users\Admin\AppData\Local\Temp\09384bb4e63250965acc6ae868b405ca43f4f7e8f06d5a1cca4dfdf3ae5b3910.exe
"C:\Users\Admin\AppData\Local\Temp\09384bb4e63250965acc6ae868b405ca43f4f7e8f06d5a1cca4dfdf3ae5b3910.exe"
1⤵
- Modifies WinLogon for persistence
- Modifies system executable filetype association
- Drops file in Drivers directory
- Adds Run key to start application
- Modifies WinLogon
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:644