f5c53268ac1fa948e4521bee71c8476411abe8a299e29436ed077c26fb0fa633

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-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\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\{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
Key deleted	\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

2948 explorer.exe
2724 spoolsv.exe
2752 svchost.exe
2580 spoolsv.exe

pid	process
2948	explorer.exe
2724	spoolsv.exe
2752	svchost.exe
2580	spoolsv.exe

Loads dropped DLL 8 IoCs

Processes:

78be1bd781eda78d3bf9498afd08cb20_NeikiAnalytics.exeexplorer.exespoolsv.exesvchost.exe

pid	process
568	78be1bd781eda78d3bf9498afd08cb20_NeikiAnalytics.exe
568	78be1bd781eda78d3bf9498afd08cb20_NeikiAnalytics.exe
2948	explorer.exe
2948	explorer.exe
2724	spoolsv.exe
2724	spoolsv.exe
2752	svchost.exe
2752	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:

78be1bd781eda78d3bf9498afd08cb20_NeikiAnalytics.exeexplorer.exespoolsv.exesvchost.exe

description	ioc	process
File opened for modification	\??\c:\windows\system\explorer.exe	78be1bd781eda78d3bf9498afd08cb20_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:

78be1bd781eda78d3bf9498afd08cb20_NeikiAnalytics.exeexplorer.exesvchost.exe

pid	process
568	78be1bd781eda78d3bf9498afd08cb20_NeikiAnalytics.exe
2948	explorer.exe
2948	explorer.exe
2948	explorer.exe
2752	svchost.exe
2948	explorer.exe
2752	svchost.exe
2948	explorer.exe
2752	svchost.exe
2948	explorer.exe
2752	svchost.exe
2948	explorer.exe
2752	svchost.exe
2948	explorer.exe
2752	svchost.exe
2948	explorer.exe
2752	svchost.exe
2948	explorer.exe
2752	svchost.exe
2752	svchost.exe
2948	explorer.exe
2752	svchost.exe
2948	explorer.exe
2752	svchost.exe
2948	explorer.exe
2752	svchost.exe
2948	explorer.exe
2752	svchost.exe
2948	explorer.exe
2752	svchost.exe
2948	explorer.exe
2752	svchost.exe
2948	explorer.exe
2752	svchost.exe
2948	explorer.exe
2752	svchost.exe
2948	explorer.exe
2752	svchost.exe
2948	explorer.exe
2948	explorer.exe
2752	svchost.exe
2752	svchost.exe
2948	explorer.exe
2948	explorer.exe
2752	svchost.exe
2948	explorer.exe
2752	svchost.exe
2752	svchost.exe
2948	explorer.exe
2752	svchost.exe
2948	explorer.exe
2948	explorer.exe
2752	svchost.exe
2948	explorer.exe
2752	svchost.exe
2752	svchost.exe
2948	explorer.exe
2752	svchost.exe
2948	explorer.exe
2948	explorer.exe
2752	svchost.exe
2948	explorer.exe
2752	svchost.exe
2948	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

explorer.exesvchost.exe

pid process

2948 explorer.exe
2752 svchost.exe

pid	process
2948	explorer.exe
2752	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

78be1bd781eda78d3bf9498afd08cb20_NeikiAnalytics.exeexplorer.exespoolsv.exesvchost.exespoolsv.exe

pid	process
568	78be1bd781eda78d3bf9498afd08cb20_NeikiAnalytics.exe
568	78be1bd781eda78d3bf9498afd08cb20_NeikiAnalytics.exe
2948	explorer.exe
2948	explorer.exe
2724	spoolsv.exe
2724	spoolsv.exe
2752	svchost.exe
2752	svchost.exe
2580	spoolsv.exe
2580	spoolsv.exe
2948	explorer.exe
2948	explorer.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

78be1bd781eda78d3bf9498afd08cb20_NeikiAnalytics.exeexplorer.exespoolsv.exesvchost.exe

description	pid	process	target process
PID 568 wrote to memory of 2948	568	78be1bd781eda78d3bf9498afd08cb20_NeikiAnalytics.exe	explorer.exe
PID 568 wrote to memory of 2948	568	78be1bd781eda78d3bf9498afd08cb20_NeikiAnalytics.exe	explorer.exe
PID 568 wrote to memory of 2948	568	78be1bd781eda78d3bf9498afd08cb20_NeikiAnalytics.exe	explorer.exe
PID 568 wrote to memory of 2948	568	78be1bd781eda78d3bf9498afd08cb20_NeikiAnalytics.exe	explorer.exe
PID 2948 wrote to memory of 2724	2948	explorer.exe	spoolsv.exe
PID 2948 wrote to memory of 2724	2948	explorer.exe	spoolsv.exe
PID 2948 wrote to memory of 2724	2948	explorer.exe	spoolsv.exe
PID 2948 wrote to memory of 2724	2948	explorer.exe	spoolsv.exe
PID 2724 wrote to memory of 2752	2724	spoolsv.exe	svchost.exe
PID 2724 wrote to memory of 2752	2724	spoolsv.exe	svchost.exe
PID 2724 wrote to memory of 2752	2724	spoolsv.exe	svchost.exe
PID 2724 wrote to memory of 2752	2724	spoolsv.exe	svchost.exe
PID 2752 wrote to memory of 2580	2752	svchost.exe	spoolsv.exe
PID 2752 wrote to memory of 2580	2752	svchost.exe	spoolsv.exe
PID 2752 wrote to memory of 2580	2752	svchost.exe	spoolsv.exe
PID 2752 wrote to memory of 2580	2752	svchost.exe	spoolsv.exe
PID 2752 wrote to memory of 1800	2752	svchost.exe	at.exe
PID 2752 wrote to memory of 1800	2752	svchost.exe	at.exe
PID 2752 wrote to memory of 1800	2752	svchost.exe	at.exe
PID 2752 wrote to memory of 1800	2752	svchost.exe	at.exe
PID 2752 wrote to memory of 1308	2752	svchost.exe	at.exe
PID 2752 wrote to memory of 1308	2752	svchost.exe	at.exe
PID 2752 wrote to memory of 1308	2752	svchost.exe	at.exe
PID 2752 wrote to memory of 1308	2752	svchost.exe	at.exe
PID 2752 wrote to memory of 792	2752	svchost.exe	at.exe
PID 2752 wrote to memory of 792	2752	svchost.exe	at.exe
PID 2752 wrote to memory of 792	2752	svchost.exe	at.exe
PID 2752 wrote to memory of 792	2752	svchost.exe	at.exe

C:\Users\Admin\AppData\Local\Temp\78be1bd781eda78d3bf9498afd08cb20_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\78be1bd781eda78d3bf9498afd08cb20_NeikiAnalytics.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:568
- \??\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:2948
- - \??\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:2724
  - - \??\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:2752
    - - \??\c:\windows\system\spoolsv.exe
        
        c:\windows\system\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:2580
    - - C:\Windows\SysWOW64\at.exe
        
        at 02:35 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:1800
    - - C:\Windows\SysWOW64\at.exe
        
        at 02:36 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:1308
    - - C:\Windows\SysWOW64\at.exe
        
        at 02:37 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:792

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