b02c658ce93141e260567a42948aa91acf1071ebcbc971852c566593a1cec4d0

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:

svchost.exeexplorer.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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:

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

1440 explorer.exe
1204 spoolsv.exe
2488 svchost.exe
3952 spoolsv.exe

pid	process
1440	explorer.exe
1204	spoolsv.exe
2488	svchost.exe
3952	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\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO"	svchost.exe

Drops file in Windows directory 6 IoCs

Processes:

5a461478355d0222aecd672945f071c0_NeikiAnalytics.exeexplorer.exespoolsv.exesvchost.exe

description	ioc	process
File opened for modification	\??\c:\windows\system\explorer.exe	5a461478355d0222aecd672945f071c0_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:

5a461478355d0222aecd672945f071c0_NeikiAnalytics.exeexplorer.exesvchost.exe

pid	process
952	5a461478355d0222aecd672945f071c0_NeikiAnalytics.exe
952	5a461478355d0222aecd672945f071c0_NeikiAnalytics.exe
1440	explorer.exe
1440	explorer.exe
1440	explorer.exe
1440	explorer.exe
1440	explorer.exe
1440	explorer.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
2488	svchost.exe
1440	explorer.exe
1440	explorer.exe
2488	svchost.exe
2488	svchost.exe
1440	explorer.exe
1440	explorer.exe
2488	svchost.exe
2488	svchost.exe
1440	explorer.exe
1440	explorer.exe
2488	svchost.exe
2488	svchost.exe
1440	explorer.exe
1440	explorer.exe
2488	svchost.exe
2488	svchost.exe
1440	explorer.exe
1440	explorer.exe
2488	svchost.exe
2488	svchost.exe
1440	explorer.exe
1440	explorer.exe
2488	svchost.exe
2488	svchost.exe
1440	explorer.exe
1440	explorer.exe
2488	svchost.exe
2488	svchost.exe
1440	explorer.exe
1440	explorer.exe
2488	svchost.exe
2488	svchost.exe
1440	explorer.exe
1440	explorer.exe
2488	svchost.exe
2488	svchost.exe
1440	explorer.exe
1440	explorer.exe
2488	svchost.exe
2488	svchost.exe
1440	explorer.exe
1440	explorer.exe
2488	svchost.exe
2488	svchost.exe
1440	explorer.exe
1440	explorer.exe
2488	svchost.exe
2488	svchost.exe
1440	explorer.exe
1440	explorer.exe
2488	svchost.exe
2488	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

explorer.exesvchost.exe

pid process

1440 explorer.exe
2488 svchost.exe

pid	process
1440	explorer.exe
2488	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

5a461478355d0222aecd672945f071c0_NeikiAnalytics.exeexplorer.exespoolsv.exesvchost.exespoolsv.exe

pid	process
952	5a461478355d0222aecd672945f071c0_NeikiAnalytics.exe
952	5a461478355d0222aecd672945f071c0_NeikiAnalytics.exe
1440	explorer.exe
1440	explorer.exe
1204	spoolsv.exe
1204	spoolsv.exe
2488	svchost.exe
2488	svchost.exe
3952	spoolsv.exe
3952	spoolsv.exe
1440	explorer.exe
1440	explorer.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

5a461478355d0222aecd672945f071c0_NeikiAnalytics.exeexplorer.exespoolsv.exesvchost.exe

description	pid	process	target process
PID 952 wrote to memory of 1440	952	5a461478355d0222aecd672945f071c0_NeikiAnalytics.exe	explorer.exe
PID 952 wrote to memory of 1440	952	5a461478355d0222aecd672945f071c0_NeikiAnalytics.exe	explorer.exe
PID 952 wrote to memory of 1440	952	5a461478355d0222aecd672945f071c0_NeikiAnalytics.exe	explorer.exe
PID 1440 wrote to memory of 1204	1440	explorer.exe	spoolsv.exe
PID 1440 wrote to memory of 1204	1440	explorer.exe	spoolsv.exe
PID 1440 wrote to memory of 1204	1440	explorer.exe	spoolsv.exe
PID 1204 wrote to memory of 2488	1204	spoolsv.exe	svchost.exe
PID 1204 wrote to memory of 2488	1204	spoolsv.exe	svchost.exe
PID 1204 wrote to memory of 2488	1204	spoolsv.exe	svchost.exe
PID 2488 wrote to memory of 3952	2488	svchost.exe	spoolsv.exe
PID 2488 wrote to memory of 3952	2488	svchost.exe	spoolsv.exe
PID 2488 wrote to memory of 3952	2488	svchost.exe	spoolsv.exe
PID 2488 wrote to memory of 3188	2488	svchost.exe	at.exe
PID 2488 wrote to memory of 3188	2488	svchost.exe	at.exe
PID 2488 wrote to memory of 3188	2488	svchost.exe	at.exe
PID 2488 wrote to memory of 3108	2488	svchost.exe	at.exe
PID 2488 wrote to memory of 3108	2488	svchost.exe	at.exe
PID 2488 wrote to memory of 3108	2488	svchost.exe	at.exe
PID 2488 wrote to memory of 3528	2488	svchost.exe	at.exe
PID 2488 wrote to memory of 3528	2488	svchost.exe	at.exe
PID 2488 wrote to memory of 3528	2488	svchost.exe	at.exe

C:\Users\Admin\AppData\Local\Temp\5a461478355d0222aecd672945f071c0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\5a461478355d0222aecd672945f071c0_NeikiAnalytics.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:952

\??\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:1440

\??\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:1204

\??\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:2488

\??\c:\windows\system\spoolsv.exe
c:\windows\system\spoolsv.exe PR
5⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3952

C:\Windows\SysWOW64\at.exe
at 23:45 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
5⤵
PID:3188

C:\Windows\SysWOW64\at.exe
at 23:46 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
5⤵
PID:3108

C:\Windows\SysWOW64\at.exe
at 23:47 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
5⤵
PID:3528

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