6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb

General

Target

6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe
Size

1.0MB
MD5

3ce026a6481a75d4daa1d276509352ee
SHA1

f04b84c1f9da9c5dbe76af1089ab603d89f2c520
SHA256

6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb
SHA512

797818ee9838b5aa04665c4109d2f2f273e4ee40252709a62a4a18a05b583f985368ed2c53d6e37bd31ee0f929e1f14a9e603442ea63998bdc1bf5c7bf306f4a

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:

6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe"	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,"	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\drivers\\spools.exe \"%1\" %*"	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe

Drops file in Drivers directory 2 IoCs

Processes:

6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe

description	ioc	process
File created	C:\Windows\SysWOW64\drivers\spools.exe	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe
File opened for modification	C:\Windows\SysWOW64\drivers\spools.exe	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.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:

6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe"	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe
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"	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.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"	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe

Enumerates connected drives 3 TTPs 20 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:

6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe

description	ioc	process
File opened (read-only)	\??\T:	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe
File opened (read-only)	\??\U:	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe
File opened (read-only)	\??\E:	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe
File opened (read-only)	\??\G:	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe
File opened (read-only)	\??\N:	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe
File opened (read-only)	\??\R:	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe
File opened (read-only)	\??\J:	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe
File opened (read-only)	\??\K:	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe
File opened (read-only)	\??\Q:	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe
File opened (read-only)	\??\S:	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe
File opened (read-only)	\??\X:	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe
File opened (read-only)	\??\F:	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe
File opened (read-only)	\??\H:	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe
File opened (read-only)	\??\M:	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe
File opened (read-only)	\??\O:	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe
File opened (read-only)	\??\W:	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe
File opened (read-only)	\??\I:	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe
File opened (read-only)	\??\L:	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe
File opened (read-only)	\??\P:	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe
File opened (read-only)	\??\V:	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.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:

6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UIHost = "logonui.exe"	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe

Modifies registry class 1 IoCs

Processes:

6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\drivers\\spools.exe \"%1\" %*"	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe

description	pid	process	target process
PID 4648 wrote to memory of 5072	4648	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe	reg.exe
PID 4648 wrote to memory of 5072	4648	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe	reg.exe
PID 4648 wrote to memory of 5072	4648	6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe	reg.exe

C:\Users\Admin\AppData\Local\Temp\6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe
"C:\Users\Admin\AppData\Local\Temp\6a58109323c692f2addda16c62c5827ae7cd000dae829f8374fc71bce481a7bb.exe"
1⤵
- Modifies WinLogon for persistence
- Modifies system executable filetype association
- Drops file in Drivers directory
- Adds Run key to start application
- Enumerates connected drives
- Modifies WinLogon
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4648