1e4f558bbd4e7519386cbfb398e5b9650dd15e897fa6d3089de068a097378f88

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Windows\\system32\\IExplorer.exe\""	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\IExplorer.exe"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

Hidden Files and Directories

T1564.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

Hidden Files and Directories

T1564.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe

Disables RegEdit via registry modification 2 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe

Disables use of System Restore points 1 TTPs
evasion

Inhibit System Recovery
T1490

Modifies system executable filetype association 2 TTPs 13 IoCs

persistence

Modify Registry

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\ = "File Folder"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2312-0-0x0000000000400000-0x0000000000430000-memory.dmp	upx
behavioral2/memory/2312-3-0x0000000000400000-0x0000000000430000-memory.dmp	upx

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSMSGS = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\WINLOGON.EXE"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ServiceAdmin = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\SERVICES.EXE"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\LogonAdmin = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\CSRSS.EXE"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\System Monitoring = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\LSASS.EXE"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xk = "C:\\Windows\\xk.exe"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3748	2312	WerFault.exe	81

Modifies Control Panel 4 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\Desktop\	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\Desktop\SCRNSAVE.EXE = "C:\\Windows\\system32\\Mig~mig.SCR"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\Desktop\ScreenSaverIsSecure = "0"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\Desktop\ScreenSaveTimeOut = "600"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\ = "File Folder"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2312	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe

System policy modification 1 TTPs 4 IoCs

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions = "1"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe

C:\Users\Admin\AppData\Local\Temp\226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\226a8b1abca2dba331424be942c5d440_NeikiAnalytics.exe"
1⤵
- Modifies WinLogon for persistence
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Disables RegEdit via registry modification
- Modifies system executable filetype association
- Adds Run key to start application
- Modifies Control Panel
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:2312
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 744
  2⤵
  - Program crash
  PID:3748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2312 -ip 2312
1⤵
PID:868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Hide Artifacts

2

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery