8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20

General

Target

8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20.exe
Size

691KB
MD5

3ae8274d34fb349448d7c6b7e735bc68
SHA1

7f47a0075c445b26113e7122a77d9313e9770056
SHA256

8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20
SHA512

c7729bca31a7d1da7a204e76a95a6de39fbf7bdbecb2772971a64053198aa993f8b156962f122c460ef8f39a73b2331d7f5725c7175b84fbb475ed42d71535e9

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:

8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe"	8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,"	8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\drivers\\spools.exe \"%1\" %*"	8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20.exe

Drops file in Drivers directory 2 IoCs

Processes:

8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20.exe

description	ioc	process
File created	C:\Windows\SysWOW64\drivers\spools.exe	8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20.exe
File opened for modification	C:\Windows\SysWOW64\drivers\spools.exe	8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20.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:

8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe"	8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe"	8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20.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:

8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UIHost = "logonui.exe"	8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20.exe

Modifies registry class 1 IoCs

Processes:

8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\drivers\\spools.exe \"%1\" %*"	8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20.exe

description	pid	process	target process
PID 1420 wrote to memory of 1348	1420	8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20.exe	reg.exe
PID 1420 wrote to memory of 1348	1420	8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20.exe	reg.exe
PID 1420 wrote to memory of 1348	1420	8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20.exe	reg.exe
PID 1420 wrote to memory of 1348	1420	8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20.exe	reg.exe

C:\Users\Admin\AppData\Local\Temp\8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20.exe
"C:\Users\Admin\AppData\Local\Temp\8b68b523321199f5205d532860dd65ce444235a688c1771b147fd88a432f1e20.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:1420

C:\Windows\SysWOW64\reg.exe
reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
2⤵
PID:1348

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

2

T1004

Change Default File Association

1

T1042

Registry Run Keys / Startup Folder

2

T1060

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

6

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1348-59-0x0000000000000000-mapping.dmp

Download
memory/1420-60-0x0000000074FB1000-0x0000000074FB3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads