331a08fff9e8d20fc5db7ce52ac5a0f1051bde9b84ab91e2d41d3042670c1337

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-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\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

2116 explorer.exe
2420 spoolsv.exe
2552 svchost.exe
2300 spoolsv.exe

pid	process
2116	explorer.exe
2420	spoolsv.exe
2552	svchost.exe
2300	spoolsv.exe

Loads dropped DLL 8 IoCs

Processes:

fe1a7571c9807b27e8776e1349733430_NeikiAnalytics.exeexplorer.exespoolsv.exesvchost.exe

pid	process
2204	fe1a7571c9807b27e8776e1349733430_NeikiAnalytics.exe
2204	fe1a7571c9807b27e8776e1349733430_NeikiAnalytics.exe
2116	explorer.exe
2116	explorer.exe
2420	spoolsv.exe
2420	spoolsv.exe
2552	svchost.exe
2552	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:

explorer.exesvchost.exefe1a7571c9807b27e8776e1349733430_NeikiAnalytics.exespoolsv.exe

description	ioc	process
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	fe1a7571c9807b27e8776e1349733430_NeikiAnalytics.exe
File opened for modification	\??\c:\windows\system\spoolsv.exe	explorer.exe
File opened for modification	\??\c:\windows\system\svchost.exe	spoolsv.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:

fe1a7571c9807b27e8776e1349733430_NeikiAnalytics.exeexplorer.exesvchost.exe

pid	process
2204	fe1a7571c9807b27e8776e1349733430_NeikiAnalytics.exe
2116	explorer.exe
2116	explorer.exe
2116	explorer.exe
2116	explorer.exe
2552	svchost.exe
2552	svchost.exe
2552	svchost.exe
2116	explorer.exe
2552	svchost.exe
2116	explorer.exe
2552	svchost.exe
2116	explorer.exe
2552	svchost.exe
2116	explorer.exe
2116	explorer.exe
2552	svchost.exe
2116	explorer.exe
2552	svchost.exe
2116	explorer.exe
2552	svchost.exe
2116	explorer.exe
2552	svchost.exe
2116	explorer.exe
2552	svchost.exe
2116	explorer.exe
2552	svchost.exe
2552	svchost.exe
2116	explorer.exe
2116	explorer.exe
2552	svchost.exe
2116	explorer.exe
2552	svchost.exe
2116	explorer.exe
2552	svchost.exe
2116	explorer.exe
2552	svchost.exe
2116	explorer.exe
2552	svchost.exe
2552	svchost.exe
2116	explorer.exe
2116	explorer.exe
2552	svchost.exe
2116	explorer.exe
2552	svchost.exe
2116	explorer.exe
2552	svchost.exe
2552	svchost.exe
2116	explorer.exe
2552	svchost.exe
2116	explorer.exe
2552	svchost.exe
2116	explorer.exe
2116	explorer.exe
2552	svchost.exe
2552	svchost.exe
2116	explorer.exe
2116	explorer.exe
2552	svchost.exe
2552	svchost.exe
2116	explorer.exe
2552	svchost.exe
2116	explorer.exe
2552	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

explorer.exesvchost.exe

pid process

2116 explorer.exe
2552 svchost.exe

pid	process
2116	explorer.exe
2552	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

fe1a7571c9807b27e8776e1349733430_NeikiAnalytics.exeexplorer.exespoolsv.exesvchost.exespoolsv.exe

pid	process
2204	fe1a7571c9807b27e8776e1349733430_NeikiAnalytics.exe
2204	fe1a7571c9807b27e8776e1349733430_NeikiAnalytics.exe
2116	explorer.exe
2116	explorer.exe
2420	spoolsv.exe
2420	spoolsv.exe
2552	svchost.exe
2552	svchost.exe
2300	spoolsv.exe
2300	spoolsv.exe
2116	explorer.exe
2116	explorer.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

fe1a7571c9807b27e8776e1349733430_NeikiAnalytics.exeexplorer.exespoolsv.exesvchost.exe

description	pid	process	target process
PID 2204 wrote to memory of 2116	2204	fe1a7571c9807b27e8776e1349733430_NeikiAnalytics.exe	explorer.exe
PID 2204 wrote to memory of 2116	2204	fe1a7571c9807b27e8776e1349733430_NeikiAnalytics.exe	explorer.exe
PID 2204 wrote to memory of 2116	2204	fe1a7571c9807b27e8776e1349733430_NeikiAnalytics.exe	explorer.exe
PID 2204 wrote to memory of 2116	2204	fe1a7571c9807b27e8776e1349733430_NeikiAnalytics.exe	explorer.exe
PID 2116 wrote to memory of 2420	2116	explorer.exe	spoolsv.exe
PID 2116 wrote to memory of 2420	2116	explorer.exe	spoolsv.exe
PID 2116 wrote to memory of 2420	2116	explorer.exe	spoolsv.exe
PID 2116 wrote to memory of 2420	2116	explorer.exe	spoolsv.exe
PID 2420 wrote to memory of 2552	2420	spoolsv.exe	svchost.exe
PID 2420 wrote to memory of 2552	2420	spoolsv.exe	svchost.exe
PID 2420 wrote to memory of 2552	2420	spoolsv.exe	svchost.exe
PID 2420 wrote to memory of 2552	2420	spoolsv.exe	svchost.exe
PID 2552 wrote to memory of 2300	2552	svchost.exe	spoolsv.exe
PID 2552 wrote to memory of 2300	2552	svchost.exe	spoolsv.exe
PID 2552 wrote to memory of 2300	2552	svchost.exe	spoolsv.exe
PID 2552 wrote to memory of 2300	2552	svchost.exe	spoolsv.exe
PID 2552 wrote to memory of 2320	2552	svchost.exe	at.exe
PID 2552 wrote to memory of 2320	2552	svchost.exe	at.exe
PID 2552 wrote to memory of 2320	2552	svchost.exe	at.exe
PID 2552 wrote to memory of 2320	2552	svchost.exe	at.exe
PID 2552 wrote to memory of 2644	2552	svchost.exe	at.exe
PID 2552 wrote to memory of 2644	2552	svchost.exe	at.exe
PID 2552 wrote to memory of 2644	2552	svchost.exe	at.exe
PID 2552 wrote to memory of 2644	2552	svchost.exe	at.exe
PID 2552 wrote to memory of 856	2552	svchost.exe	at.exe
PID 2552 wrote to memory of 856	2552	svchost.exe	at.exe
PID 2552 wrote to memory of 856	2552	svchost.exe	at.exe
PID 2552 wrote to memory of 856	2552	svchost.exe	at.exe

C:\Users\Admin\AppData\Local\Temp\fe1a7571c9807b27e8776e1349733430_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\fe1a7571c9807b27e8776e1349733430_NeikiAnalytics.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2204

\??\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:2116

\??\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:2420

\??\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:2552

\??\c:\windows\system\spoolsv.exe
c:\windows\system\spoolsv.exe PR
5⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2300

C:\Windows\SysWOW64\at.exe
at 09:18 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
5⤵
PID:2320

C:\Windows\SysWOW64\at.exe
at 09:19 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
5⤵
PID:2644

C:\Windows\SysWOW64\at.exe
at 09:20 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
5⤵
PID:856

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