5c900947a6337340980f03eff4699010e02f106e66cd588c60c4c2a6105775c6

Processes:

explorer.exesvchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe"	svchost.exe

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

evasion

Hidden Files and Directories

T1564.001

Modify Registry

Processes:

explorer.exesvchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Modifies Installed Components in the registry 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

Processes:

svchost.exeexplorer.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR"	svchost.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}	svchost.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR"	svchost.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}	svchost.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR"	explorer.exe

Executes dropped EXE 4 IoCs

Processes:

explorer.exespoolsv.exesvchost.exespoolsv.exe

pid process

2232 explorer.exe
1992 spoolsv.exe
2912 svchost.exe
2640 spoolsv.exe

pid	process
2232	explorer.exe
1992	spoolsv.exe
2912	svchost.exe
2640	spoolsv.exe

Loads dropped DLL 8 IoCs

Processes:

59a91a207cfb3c1808b174dbd6a26f00_NeikiAnalytics.exeexplorer.exespoolsv.exesvchost.exe

pid	process
2220	59a91a207cfb3c1808b174dbd6a26f00_NeikiAnalytics.exe
2220	59a91a207cfb3c1808b174dbd6a26f00_NeikiAnalytics.exe
2232	explorer.exe
2232	explorer.exe
1992	spoolsv.exe
1992	spoolsv.exe
2912	svchost.exe
2912	svchost.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

Processes:

explorer.exesvchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO"	svchost.exe

Drops file in Windows directory 6 IoCs

Processes:

spoolsv.exeexplorer.exesvchost.exe59a91a207cfb3c1808b174dbd6a26f00_NeikiAnalytics.exe

description	ioc	process
File opened for modification	\??\c:\windows\system\svchost.exe	spoolsv.exe
File opened for modification	\??\c:\windows\system\explorer.exe	explorer.exe
File opened for modification	\??\c:\windows\system\svchost.exe	svchost.exe
File opened for modification	C:\Windows\system\udsys.exe	explorer.exe
File opened for modification	\??\c:\windows\system\explorer.exe	59a91a207cfb3c1808b174dbd6a26f00_NeikiAnalytics.exe
File opened for modification	\??\c:\windows\system\spoolsv.exe	explorer.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

59a91a207cfb3c1808b174dbd6a26f00_NeikiAnalytics.exeexplorer.exesvchost.exe

pid	process
2220	59a91a207cfb3c1808b174dbd6a26f00_NeikiAnalytics.exe
2232	explorer.exe
2232	explorer.exe
2232	explorer.exe
2232	explorer.exe
2232	explorer.exe
2232	explorer.exe
2912	svchost.exe
2912	svchost.exe
2232	explorer.exe
2912	svchost.exe
2232	explorer.exe
2912	svchost.exe
2232	explorer.exe
2912	svchost.exe
2232	explorer.exe
2912	svchost.exe
2232	explorer.exe
2912	svchost.exe
2232	explorer.exe
2912	svchost.exe
2232	explorer.exe
2912	svchost.exe
2232	explorer.exe
2912	svchost.exe
2232	explorer.exe
2912	svchost.exe
2232	explorer.exe
2912	svchost.exe
2232	explorer.exe
2912	svchost.exe
2232	explorer.exe
2912	svchost.exe
2232	explorer.exe
2912	svchost.exe
2232	explorer.exe
2912	svchost.exe
2232	explorer.exe
2912	svchost.exe
2232	explorer.exe
2912	svchost.exe
2232	explorer.exe
2912	svchost.exe
2232	explorer.exe
2912	svchost.exe
2232	explorer.exe
2912	svchost.exe
2232	explorer.exe
2232	explorer.exe
2912	svchost.exe
2912	svchost.exe
2232	explorer.exe
2912	svchost.exe
2232	explorer.exe
2912	svchost.exe
2232	explorer.exe
2232	explorer.exe
2912	svchost.exe
2232	explorer.exe
2912	svchost.exe
2232	explorer.exe
2912	svchost.exe
2232	explorer.exe
2912	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

explorer.exesvchost.exe

pid process

2232 explorer.exe
2912 svchost.exe

pid	process
2232	explorer.exe
2912	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

59a91a207cfb3c1808b174dbd6a26f00_NeikiAnalytics.exeexplorer.exespoolsv.exesvchost.exespoolsv.exe

pid	process
2220	59a91a207cfb3c1808b174dbd6a26f00_NeikiAnalytics.exe
2220	59a91a207cfb3c1808b174dbd6a26f00_NeikiAnalytics.exe
2232	explorer.exe
2232	explorer.exe
1992	spoolsv.exe
1992	spoolsv.exe
2912	svchost.exe
2912	svchost.exe
2640	spoolsv.exe
2640	spoolsv.exe
2232	explorer.exe
2232	explorer.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

59a91a207cfb3c1808b174dbd6a26f00_NeikiAnalytics.exeexplorer.exespoolsv.exesvchost.exe

description	pid	process	target process
PID 2220 wrote to memory of 2232	2220	59a91a207cfb3c1808b174dbd6a26f00_NeikiAnalytics.exe	explorer.exe
PID 2220 wrote to memory of 2232	2220	59a91a207cfb3c1808b174dbd6a26f00_NeikiAnalytics.exe	explorer.exe
PID 2220 wrote to memory of 2232	2220	59a91a207cfb3c1808b174dbd6a26f00_NeikiAnalytics.exe	explorer.exe
PID 2220 wrote to memory of 2232	2220	59a91a207cfb3c1808b174dbd6a26f00_NeikiAnalytics.exe	explorer.exe
PID 2232 wrote to memory of 1992	2232	explorer.exe	spoolsv.exe
PID 2232 wrote to memory of 1992	2232	explorer.exe	spoolsv.exe
PID 2232 wrote to memory of 1992	2232	explorer.exe	spoolsv.exe
PID 2232 wrote to memory of 1992	2232	explorer.exe	spoolsv.exe
PID 1992 wrote to memory of 2912	1992	spoolsv.exe	svchost.exe
PID 1992 wrote to memory of 2912	1992	spoolsv.exe	svchost.exe
PID 1992 wrote to memory of 2912	1992	spoolsv.exe	svchost.exe
PID 1992 wrote to memory of 2912	1992	spoolsv.exe	svchost.exe
PID 2912 wrote to memory of 2640	2912	svchost.exe	spoolsv.exe
PID 2912 wrote to memory of 2640	2912	svchost.exe	spoolsv.exe
PID 2912 wrote to memory of 2640	2912	svchost.exe	spoolsv.exe
PID 2912 wrote to memory of 2640	2912	svchost.exe	spoolsv.exe
PID 2912 wrote to memory of 2724	2912	svchost.exe	at.exe
PID 2912 wrote to memory of 2724	2912	svchost.exe	at.exe
PID 2912 wrote to memory of 2724	2912	svchost.exe	at.exe
PID 2912 wrote to memory of 2724	2912	svchost.exe	at.exe
PID 2912 wrote to memory of 1752	2912	svchost.exe	at.exe
PID 2912 wrote to memory of 1752	2912	svchost.exe	at.exe
PID 2912 wrote to memory of 1752	2912	svchost.exe	at.exe
PID 2912 wrote to memory of 1752	2912	svchost.exe	at.exe
PID 2912 wrote to memory of 2132	2912	svchost.exe	at.exe
PID 2912 wrote to memory of 2132	2912	svchost.exe	at.exe
PID 2912 wrote to memory of 2132	2912	svchost.exe	at.exe
PID 2912 wrote to memory of 2132	2912	svchost.exe	at.exe

C:\Users\Admin\AppData\Local\Temp\59a91a207cfb3c1808b174dbd6a26f00_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\59a91a207cfb3c1808b174dbd6a26f00_NeikiAnalytics.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2220

\??\c:\windows\system\explorer.exe
c:\windows\system\explorer.exe
2⤵
- Modifies WinLogon for persistence
- Modifies visiblity of hidden/system files in Explorer
- Modifies Installed Components in the registry
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2232

\??\c:\windows\system\spoolsv.exe
c:\windows\system\spoolsv.exe SE
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1992

\??\c:\windows\system\svchost.exe
c:\windows\system\svchost.exe
4⤵
- Modifies WinLogon for persistence
- Modifies visiblity of hidden/system files in Explorer
- Modifies Installed Components in the registry
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2912

\??\c:\windows\system\spoolsv.exe
c:\windows\system\spoolsv.exe PR
5⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2640

C:\Windows\SysWOW64\at.exe
at 23:41 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
5⤵
PID:2724

C:\Windows\SysWOW64\at.exe
at 23:42 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
5⤵
PID:1752

C:\Windows\SysWOW64\at.exe
at 23:43 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
5⤵
PID:2132

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

3

T1547

Registry Run Keys / Startup Folder

2

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

3

T1547

Registry Run Keys / Startup Folder

2

Winlogon Helper DLL

T1547.004

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

System Information Discovery