ba213013ab381e49a31b40450a66cabb3639f4a0e358adc29986722c9cdbb104

Processes:

svchost.exeexplorer.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"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe"	explorer.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-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\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
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
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

Executes dropped EXE 4 IoCs

Processes:

explorer.exespoolsv.exesvchost.exespoolsv.exe

pid process

4056 explorer.exe
1564 spoolsv.exe
2744 svchost.exe
548 spoolsv.exe

pid	process
4056	explorer.exe
1564	spoolsv.exe
2744	svchost.exe
548	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\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
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

Drops file in Windows directory 6 IoCs

Processes:

0cf9066eec4de6047b393218eba0b380_NeikiAnalytics.exeexplorer.exespoolsv.exesvchost.exe

description	ioc	process
File opened for modification	\??\c:\windows\system\explorer.exe	0cf9066eec4de6047b393218eba0b380_NeikiAnalytics.exe
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

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:

0cf9066eec4de6047b393218eba0b380_NeikiAnalytics.exeexplorer.exesvchost.exe

pid	process
4792	0cf9066eec4de6047b393218eba0b380_NeikiAnalytics.exe
4792	0cf9066eec4de6047b393218eba0b380_NeikiAnalytics.exe
4056	explorer.exe
4056	explorer.exe
4056	explorer.exe
4056	explorer.exe
4056	explorer.exe
4056	explorer.exe
2744	svchost.exe
2744	svchost.exe
2744	svchost.exe
2744	svchost.exe
4056	explorer.exe
4056	explorer.exe
2744	svchost.exe
2744	svchost.exe
4056	explorer.exe
4056	explorer.exe
2744	svchost.exe
2744	svchost.exe
4056	explorer.exe
4056	explorer.exe
2744	svchost.exe
2744	svchost.exe
4056	explorer.exe
4056	explorer.exe
2744	svchost.exe
2744	svchost.exe
4056	explorer.exe
4056	explorer.exe
2744	svchost.exe
2744	svchost.exe
4056	explorer.exe
4056	explorer.exe
2744	svchost.exe
2744	svchost.exe
4056	explorer.exe
4056	explorer.exe
2744	svchost.exe
2744	svchost.exe
4056	explorer.exe
4056	explorer.exe
2744	svchost.exe
2744	svchost.exe
4056	explorer.exe
4056	explorer.exe
2744	svchost.exe
2744	svchost.exe
4056	explorer.exe
4056	explorer.exe
2744	svchost.exe
2744	svchost.exe
4056	explorer.exe
4056	explorer.exe
2744	svchost.exe
2744	svchost.exe
4056	explorer.exe
4056	explorer.exe
2744	svchost.exe
2744	svchost.exe
4056	explorer.exe
4056	explorer.exe
2744	svchost.exe
2744	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

explorer.exesvchost.exe

pid process

4056 explorer.exe
2744 svchost.exe

pid	process
4056	explorer.exe
2744	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

0cf9066eec4de6047b393218eba0b380_NeikiAnalytics.exeexplorer.exespoolsv.exesvchost.exespoolsv.exe

pid	process
4792	0cf9066eec4de6047b393218eba0b380_NeikiAnalytics.exe
4792	0cf9066eec4de6047b393218eba0b380_NeikiAnalytics.exe
4056	explorer.exe
4056	explorer.exe
1564	spoolsv.exe
1564	spoolsv.exe
2744	svchost.exe
2744	svchost.exe
548	spoolsv.exe
548	spoolsv.exe
4056	explorer.exe
4056	explorer.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

0cf9066eec4de6047b393218eba0b380_NeikiAnalytics.exeexplorer.exespoolsv.exesvchost.exe

description	pid	process	target process
PID 4792 wrote to memory of 4056	4792	0cf9066eec4de6047b393218eba0b380_NeikiAnalytics.exe	explorer.exe
PID 4792 wrote to memory of 4056	4792	0cf9066eec4de6047b393218eba0b380_NeikiAnalytics.exe	explorer.exe
PID 4792 wrote to memory of 4056	4792	0cf9066eec4de6047b393218eba0b380_NeikiAnalytics.exe	explorer.exe
PID 4056 wrote to memory of 1564	4056	explorer.exe	spoolsv.exe
PID 4056 wrote to memory of 1564	4056	explorer.exe	spoolsv.exe
PID 4056 wrote to memory of 1564	4056	explorer.exe	spoolsv.exe
PID 1564 wrote to memory of 2744	1564	spoolsv.exe	svchost.exe
PID 1564 wrote to memory of 2744	1564	spoolsv.exe	svchost.exe
PID 1564 wrote to memory of 2744	1564	spoolsv.exe	svchost.exe
PID 2744 wrote to memory of 548	2744	svchost.exe	spoolsv.exe
PID 2744 wrote to memory of 548	2744	svchost.exe	spoolsv.exe
PID 2744 wrote to memory of 548	2744	svchost.exe	spoolsv.exe
PID 2744 wrote to memory of 2712	2744	svchost.exe	at.exe
PID 2744 wrote to memory of 2712	2744	svchost.exe	at.exe
PID 2744 wrote to memory of 2712	2744	svchost.exe	at.exe
PID 2744 wrote to memory of 1084	2744	svchost.exe	at.exe
PID 2744 wrote to memory of 1084	2744	svchost.exe	at.exe
PID 2744 wrote to memory of 1084	2744	svchost.exe	at.exe
PID 2744 wrote to memory of 4868	2744	svchost.exe	at.exe
PID 2744 wrote to memory of 4868	2744	svchost.exe	at.exe
PID 2744 wrote to memory of 4868	2744	svchost.exe	at.exe

C:\Users\Admin\AppData\Local\Temp\0cf9066eec4de6047b393218eba0b380_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\0cf9066eec4de6047b393218eba0b380_NeikiAnalytics.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4792

\??\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:4056

\??\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:1564

\??\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:2744

\??\c:\windows\system\spoolsv.exe
c:\windows\system\spoolsv.exe PR
5⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:548

C:\Windows\SysWOW64\at.exe
at 20:53 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
5⤵
PID:2712

C:\Windows\SysWOW64\at.exe
at 20:54 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
5⤵
PID:1084

C:\Windows\SysWOW64\at.exe
at 20:55 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
5⤵
PID:4868

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