6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a

General

Target

6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a.exe
Size

401KB
MD5

0fd3dbe352cfd1938160279739ea3e2c
SHA1

3a962de29533f945f8fbecc9830085850c667b91
SHA256

6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a
SHA512

b818d669c54e1e77f8388da48442993859ad29ff0388cfb480f4077135318abd2a87ebd6d0455c09c7e8547001ed0363dbe88bf4a5d9493fc4a434fb001a5629

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:

6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,"	6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe"	6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\drivers\\spools.exe \"%1\" %*"	6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a.exe

Drops file in Drivers directory 2 IoCs

Processes:

6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a.exe

description	ioc	process
File created	C:\Windows\SysWOW64\drivers\spools.exe	6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a.exe
File opened for modification	C:\Windows\SysWOW64\drivers\spools.exe	6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a.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:

6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a.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"	6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a.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"	6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe"	6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a.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:

6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UIHost = "logonui.exe"	6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a.exe

Modifies registry class 1 IoCs

Processes:

6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\drivers\\spools.exe \"%1\" %*"	6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a.exe

description	pid	process	target process
PID 1360 wrote to memory of 1412	1360	6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a.exe	reg.exe
PID 1360 wrote to memory of 1412	1360	6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a.exe	reg.exe
PID 1360 wrote to memory of 1412	1360	6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a.exe	reg.exe
PID 1360 wrote to memory of 1412	1360	6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a.exe	reg.exe

C:\Users\Admin\AppData\Local\Temp\6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a.exe
"C:\Users\Admin\AppData\Local\Temp\6c3ecd20c787e6e63a5afbbc79b1fae9cf975acb2cd200db986c43e3b315d66a.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:1360

C:\Windows\SysWOW64\reg.exe
reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
2⤵
PID:1412

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/1360-60-0x00000000752B1000-0x00000000752B3000-memory.dmp

Filesize
8KB

Download
memory/1412-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads