8b1d3df1b70a569133097406ec700aae06731b7acb7a7ac882b9ae8b9f0dfa4e

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{AC451546-8B9A-11D5-EBA1-F78EEEEEE983}	d01942b7ec6346e79081772e5f0d1ac0_NeikiAnalytics.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{AC451546-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mserl32.exe"	d01942b7ec6346e79081772e5f0d1ac0_NeikiAnalytics.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	d01942b7ec6346e79081772e5f0d1ac0_NeikiAnalytics.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3756-0-0x0000000000400000-0x0000000000439000-memory.dmp	upx
behavioral2/files/0x000700000002340d-5.dat	upx
behavioral2/memory/3756-7-0x0000000000400000-0x0000000000439000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	d01942b7ec6346e79081772e5f0d1ac0_NeikiAnalytics.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	d01942b7ec6346e79081772e5f0d1ac0_NeikiAnalytics.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\vcl32.exe	d01942b7ec6346e79081772e5f0d1ac0_NeikiAnalytics.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	d01942b7ec6346e79081772e5f0d1ac0_NeikiAnalytics.exe
File created	C:\Windows\SysWOW64\mserl32.exe	d01942b7ec6346e79081772e5f0d1ac0_NeikiAnalytics.exe
File opened for modification	C:\Windows\SysWOW64\mserl32.exe	d01942b7ec6346e79081772e5f0d1ac0_NeikiAnalytics.exe
File created	C:\Windows\SysWOW64\concp32.exe	d01942b7ec6346e79081772e5f0d1ac0_NeikiAnalytics.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	d01942b7ec6346e79081772e5f0d1ac0_NeikiAnalytics.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
728	3756	WerFault.exe	80

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC451546-8B9A-11D5-EBA1-F78EEEEEE983}	d01942b7ec6346e79081772e5f0d1ac0_NeikiAnalytics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC451546-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	d01942b7ec6346e79081772e5f0d1ac0_NeikiAnalytics.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC451546-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	d01942b7ec6346e79081772e5f0d1ac0_NeikiAnalytics.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC451546-8B9A-11D5-EBA1-F78EEEEEE983}\ax = cc1f999e2665d7cd3b0ba3700f4c9f72	d01942b7ec6346e79081772e5f0d1ac0_NeikiAnalytics.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	d01942b7ec6346e79081772e5f0d1ac0_NeikiAnalytics.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3756	d01942b7ec6346e79081772e5f0d1ac0_NeikiAnalytics.exe

C:\Users\Admin\AppData\Local\Temp\d01942b7ec6346e79081772e5f0d1ac0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\d01942b7ec6346e79081772e5f0d1ac0_NeikiAnalytics.exe"
1⤵
- Modifies Installed Components in the registry
- Modifies system executable filetype association
- Adds Run key to start application
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:3756
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3756 -s 768
  2⤵
  - Program crash
  PID:728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3756 -ip 3756
1⤵
PID:4704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Modify Registry

3