5f0814965934168490dfb468b86a16b2bc0c0c167434b2b7a08e625cc96b36d6

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-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\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 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
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

Executes dropped EXE 4 IoCs

Processes:

explorer.exespoolsv.exesvchost.exespoolsv.exe

pid process

400 explorer.exe
5000 spoolsv.exe
2768 svchost.exe
2560 spoolsv.exe

pid	process
400	explorer.exe
5000	spoolsv.exe
2768	svchost.exe
2560	spoolsv.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

Processes:

svchost.exeexplorer.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO"	svchost.exe
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

Drops file in Windows directory 6 IoCs

Processes:

explorer.exespoolsv.exesvchost.exe5ee6196c1d9e6bea18a5565e339fede0_NeikiAnalytics.exe

description	ioc	process
File opened for modification	\??\c:\windows\system\spoolsv.exe	explorer.exe
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	5ee6196c1d9e6bea18a5565e339fede0_NeikiAnalytics.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:

5ee6196c1d9e6bea18a5565e339fede0_NeikiAnalytics.exeexplorer.exesvchost.exe

pid	process
704	5ee6196c1d9e6bea18a5565e339fede0_NeikiAnalytics.exe
704	5ee6196c1d9e6bea18a5565e339fede0_NeikiAnalytics.exe
400	explorer.exe
400	explorer.exe
400	explorer.exe
400	explorer.exe
400	explorer.exe
400	explorer.exe
2768	svchost.exe
2768	svchost.exe
2768	svchost.exe
2768	svchost.exe
400	explorer.exe
400	explorer.exe
2768	svchost.exe
2768	svchost.exe
400	explorer.exe
400	explorer.exe
2768	svchost.exe
2768	svchost.exe
400	explorer.exe
400	explorer.exe
2768	svchost.exe
2768	svchost.exe
400	explorer.exe
400	explorer.exe
2768	svchost.exe
2768	svchost.exe
400	explorer.exe
400	explorer.exe
2768	svchost.exe
2768	svchost.exe
400	explorer.exe
400	explorer.exe
2768	svchost.exe
2768	svchost.exe
400	explorer.exe
400	explorer.exe
2768	svchost.exe
2768	svchost.exe
400	explorer.exe
400	explorer.exe
2768	svchost.exe
2768	svchost.exe
400	explorer.exe
400	explorer.exe
2768	svchost.exe
2768	svchost.exe
400	explorer.exe
400	explorer.exe
2768	svchost.exe
2768	svchost.exe
400	explorer.exe
400	explorer.exe
2768	svchost.exe
2768	svchost.exe
400	explorer.exe
400	explorer.exe
2768	svchost.exe
2768	svchost.exe
400	explorer.exe
400	explorer.exe
2768	svchost.exe
2768	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

explorer.exesvchost.exe

pid process

400 explorer.exe
2768 svchost.exe

pid	process
400	explorer.exe
2768	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

5ee6196c1d9e6bea18a5565e339fede0_NeikiAnalytics.exeexplorer.exespoolsv.exesvchost.exespoolsv.exe

pid	process
704	5ee6196c1d9e6bea18a5565e339fede0_NeikiAnalytics.exe
704	5ee6196c1d9e6bea18a5565e339fede0_NeikiAnalytics.exe
400	explorer.exe
400	explorer.exe
5000	spoolsv.exe
5000	spoolsv.exe
2768	svchost.exe
2768	svchost.exe
2560	spoolsv.exe
2560	spoolsv.exe
400	explorer.exe
400	explorer.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

5ee6196c1d9e6bea18a5565e339fede0_NeikiAnalytics.exeexplorer.exespoolsv.exesvchost.exe

description	pid	process	target process
PID 704 wrote to memory of 400	704	5ee6196c1d9e6bea18a5565e339fede0_NeikiAnalytics.exe	explorer.exe
PID 704 wrote to memory of 400	704	5ee6196c1d9e6bea18a5565e339fede0_NeikiAnalytics.exe	explorer.exe
PID 704 wrote to memory of 400	704	5ee6196c1d9e6bea18a5565e339fede0_NeikiAnalytics.exe	explorer.exe
PID 400 wrote to memory of 5000	400	explorer.exe	spoolsv.exe
PID 400 wrote to memory of 5000	400	explorer.exe	spoolsv.exe
PID 400 wrote to memory of 5000	400	explorer.exe	spoolsv.exe
PID 5000 wrote to memory of 2768	5000	spoolsv.exe	svchost.exe
PID 5000 wrote to memory of 2768	5000	spoolsv.exe	svchost.exe
PID 5000 wrote to memory of 2768	5000	spoolsv.exe	svchost.exe
PID 2768 wrote to memory of 2560	2768	svchost.exe	spoolsv.exe
PID 2768 wrote to memory of 2560	2768	svchost.exe	spoolsv.exe
PID 2768 wrote to memory of 2560	2768	svchost.exe	spoolsv.exe
PID 2768 wrote to memory of 4120	2768	svchost.exe	at.exe
PID 2768 wrote to memory of 4120	2768	svchost.exe	at.exe
PID 2768 wrote to memory of 4120	2768	svchost.exe	at.exe
PID 2768 wrote to memory of 4956	2768	svchost.exe	at.exe
PID 2768 wrote to memory of 4956	2768	svchost.exe	at.exe
PID 2768 wrote to memory of 4956	2768	svchost.exe	at.exe
PID 2768 wrote to memory of 4440	2768	svchost.exe	at.exe
PID 2768 wrote to memory of 4440	2768	svchost.exe	at.exe
PID 2768 wrote to memory of 4440	2768	svchost.exe	at.exe

C:\Users\Admin\AppData\Local\Temp\5ee6196c1d9e6bea18a5565e339fede0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\5ee6196c1d9e6bea18a5565e339fede0_NeikiAnalytics.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:704

\??\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
- 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:400

\??\c:\windows\system\spoolsv.exe
c:\windows\system\spoolsv.exe SE
3⤵
- Executes dropped EXE
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5000

\??\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
- 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:2768

\??\c:\windows\system\spoolsv.exe
c:\windows\system\spoolsv.exe PR
5⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2560

C:\Windows\SysWOW64\at.exe
at 00:11 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
5⤵
PID:4120

C:\Windows\SysWOW64\at.exe
at 00:12 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
5⤵
PID:4956

C:\Windows\SysWOW64\at.exe
at 00:13 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
5⤵
PID:4440

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