2f9489b74ce81a0119b8f5b6581d4f015858ec435ca76c521a7f4fd611254272

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:

svchost.exeexplorer.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe

Modifies Installed Components in the registry 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

Processes:

explorer.exesvchost.exe

description	ioc	process
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
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

Executes dropped EXE 4 IoCs

Processes:

explorer.exespoolsv.exesvchost.exespoolsv.exe

pid process

2252 explorer.exe
4912 spoolsv.exe
2712 svchost.exe
2836 spoolsv.exe

pid	process
2252	explorer.exe
4912	spoolsv.exe
2712	svchost.exe
2836	spoolsv.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:

77dc329a5d5f88b45c6f2e390d9268b0_NeikiAnalytics.exeexplorer.exespoolsv.exesvchost.exe

description	ioc	process
File opened for modification	\??\c:\windows\system\explorer.exe	77dc329a5d5f88b45c6f2e390d9268b0_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:

77dc329a5d5f88b45c6f2e390d9268b0_NeikiAnalytics.exeexplorer.exesvchost.exe

pid	process
2564	77dc329a5d5f88b45c6f2e390d9268b0_NeikiAnalytics.exe
2564	77dc329a5d5f88b45c6f2e390d9268b0_NeikiAnalytics.exe
2252	explorer.exe
2252	explorer.exe
2252	explorer.exe
2252	explorer.exe
2252	explorer.exe
2252	explorer.exe
2712	svchost.exe
2712	svchost.exe
2712	svchost.exe
2712	svchost.exe
2252	explorer.exe
2252	explorer.exe
2712	svchost.exe
2712	svchost.exe
2252	explorer.exe
2252	explorer.exe
2712	svchost.exe
2712	svchost.exe
2252	explorer.exe
2252	explorer.exe
2712	svchost.exe
2712	svchost.exe
2252	explorer.exe
2252	explorer.exe
2712	svchost.exe
2712	svchost.exe
2252	explorer.exe
2252	explorer.exe
2712	svchost.exe
2712	svchost.exe
2252	explorer.exe
2252	explorer.exe
2712	svchost.exe
2712	svchost.exe
2252	explorer.exe
2252	explorer.exe
2712	svchost.exe
2712	svchost.exe
2252	explorer.exe
2252	explorer.exe
2712	svchost.exe
2712	svchost.exe
2252	explorer.exe
2252	explorer.exe
2712	svchost.exe
2712	svchost.exe
2252	explorer.exe
2252	explorer.exe
2712	svchost.exe
2712	svchost.exe
2252	explorer.exe
2252	explorer.exe
2712	svchost.exe
2712	svchost.exe
2252	explorer.exe
2252	explorer.exe
2712	svchost.exe
2712	svchost.exe
2252	explorer.exe
2252	explorer.exe
2712	svchost.exe
2712	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

explorer.exesvchost.exe

pid process

2252 explorer.exe
2712 svchost.exe

pid	process
2252	explorer.exe
2712	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

77dc329a5d5f88b45c6f2e390d9268b0_NeikiAnalytics.exeexplorer.exespoolsv.exesvchost.exespoolsv.exe

pid	process
2564	77dc329a5d5f88b45c6f2e390d9268b0_NeikiAnalytics.exe
2564	77dc329a5d5f88b45c6f2e390d9268b0_NeikiAnalytics.exe
2252	explorer.exe
2252	explorer.exe
4912	spoolsv.exe
4912	spoolsv.exe
2712	svchost.exe
2712	svchost.exe
2836	spoolsv.exe
2836	spoolsv.exe
2252	explorer.exe
2252	explorer.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

77dc329a5d5f88b45c6f2e390d9268b0_NeikiAnalytics.exeexplorer.exespoolsv.exesvchost.exe

description	pid	process	target process
PID 2564 wrote to memory of 2252	2564	77dc329a5d5f88b45c6f2e390d9268b0_NeikiAnalytics.exe	explorer.exe
PID 2564 wrote to memory of 2252	2564	77dc329a5d5f88b45c6f2e390d9268b0_NeikiAnalytics.exe	explorer.exe
PID 2564 wrote to memory of 2252	2564	77dc329a5d5f88b45c6f2e390d9268b0_NeikiAnalytics.exe	explorer.exe
PID 2252 wrote to memory of 4912	2252	explorer.exe	spoolsv.exe
PID 2252 wrote to memory of 4912	2252	explorer.exe	spoolsv.exe
PID 2252 wrote to memory of 4912	2252	explorer.exe	spoolsv.exe
PID 4912 wrote to memory of 2712	4912	spoolsv.exe	svchost.exe
PID 4912 wrote to memory of 2712	4912	spoolsv.exe	svchost.exe
PID 4912 wrote to memory of 2712	4912	spoolsv.exe	svchost.exe
PID 2712 wrote to memory of 2836	2712	svchost.exe	spoolsv.exe
PID 2712 wrote to memory of 2836	2712	svchost.exe	spoolsv.exe
PID 2712 wrote to memory of 2836	2712	svchost.exe	spoolsv.exe
PID 2712 wrote to memory of 2296	2712	svchost.exe	at.exe
PID 2712 wrote to memory of 2296	2712	svchost.exe	at.exe
PID 2712 wrote to memory of 2296	2712	svchost.exe	at.exe
PID 2712 wrote to memory of 620	2712	svchost.exe	at.exe
PID 2712 wrote to memory of 620	2712	svchost.exe	at.exe
PID 2712 wrote to memory of 620	2712	svchost.exe	at.exe
PID 2712 wrote to memory of 4592	2712	svchost.exe	at.exe
PID 2712 wrote to memory of 4592	2712	svchost.exe	at.exe
PID 2712 wrote to memory of 4592	2712	svchost.exe	at.exe

C:\Users\Admin\AppData\Local\Temp\77dc329a5d5f88b45c6f2e390d9268b0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\77dc329a5d5f88b45c6f2e390d9268b0_NeikiAnalytics.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2564
- \??\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:2252
- - \??\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:4912
  - - \??\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:2712
    - - \??\c:\windows\system\spoolsv.exe
        
        c:\windows\system\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:2836
    - - C:\Windows\SysWOW64\at.exe
        
        at 02:29 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:2296
    - - C:\Windows\SysWOW64\at.exe
        
        at 02:30 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:620
    - - C:\Windows\SysWOW64\at.exe
        
        at 02:31 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
        5⤵
        
        PID:4592

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