d98eb832336e305e2662fece5f2592be37bbae7136a48ade1aaca292ca14d3ba

General

Target

715557e76fb3aed3e97c59c16a937270_NEIKI.exe
Size

456KB
MD5

715557e76fb3aed3e97c59c16a937270
SHA1

4d7cd4f90edbe67e201a6623fd76c25bbac84480
SHA256

d98eb832336e305e2662fece5f2592be37bbae7136a48ade1aaca292ca14d3ba
SHA512

04a7c4a1fc783aa64dd3bc0172551c47cd7b30592ddb2cb646d0176cdb0a1a812c64fa0a3bc555faea6d46e1acd7e69b6a4fb0e932de6606ea45d61aa360b1ca
SSDEEP

12288:inaKawSQQ+A1yS5Be1y/y/y8DJQ+RLapu:as0Ye0aa8DJ9Lapu

Score

10^/10

adware persistence stealer upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe"	715557e76fb3aed3e97c59c16a937270_NEIKI.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,"	715557e76fb3aed3e97c59c16a937270_NEIKI.exe

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\spools.exe	715557e76fb3aed3e97c59c16a937270_NEIKI.exe
File opened for modification	C:\Windows\SysWOW64\drivers\spools.exe	715557e76fb3aed3e97c59c16a937270_NEIKI.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Schedule\ImagePath = "C:\\Windows\\system32\\drivers\\spools.exe"	715557e76fb3aed3e97c59c16a937270_NEIKI.exe

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0008000000013a15-9.dat	acprotect
behavioral1/memory/2444-11-0x0000000010000000-0x000000001010B000-memory.dmp	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2444	715557e76fb3aed3e97c59c16a937270_NEIKI.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0008000000013a15-9.dat	upx
behavioral1/memory/2444-11-0x0000000010000000-0x000000001010B000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\Local Settings\\Application Data\\cftmon.exe"	715557e76fb3aed3e97c59c16a937270_NEIKI.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	715557e76fb3aed3e97c59c16a937270_NEIKI.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\Local Settings\\Application Data\\cftmon.exe"	715557e76fb3aed3e97c59c16a937270_NEIKI.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	715557e76fb3aed3e97c59c16a937270_NEIKI.exe

Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects	reg.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UIHost = "logonui.exe"	715557e76fb3aed3e97c59c16a937270_NEIKI.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ftpdll.dll	715557e76fb3aed3e97c59c16a937270_NEIKI.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2444	715557e76fb3aed3e97c59c16a937270_NEIKI.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 2608	2444	715557e76fb3aed3e97c59c16a937270_NEIKI.exe	29
PID 2444 wrote to memory of 2608	2444	715557e76fb3aed3e97c59c16a937270_NEIKI.exe	29
PID 2444 wrote to memory of 2608	2444	715557e76fb3aed3e97c59c16a937270_NEIKI.exe	29
PID 2444 wrote to memory of 2608	2444	715557e76fb3aed3e97c59c16a937270_NEIKI.exe	29

C:\Users\Admin\AppData\Local\Temp\715557e76fb3aed3e97c59c16a937270_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\715557e76fb3aed3e97c59c16a937270_NEIKI.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in Drivers directory
- Sets service image path in registry
- Loads dropped DLL
- Adds Run key to start application
- Modifies WinLogon
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Windows\SysWOW64\reg.exe
  reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
  2⤵
  - Installs/modifies Browser Helper Object
  PID:2608

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

4

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

Browser Extensions

Privilege Escalation

Boot or Logon Autostart Execution

4

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

2

T1547.004

Defense Evasion

Modify Registry

5

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\cftmon.exe

Filesize
460KB

MD5
2a2b48f9a0eb8edc8d3b4f8b0a66354d

SHA1
2ef6695b8a36251e508183ca1e2dcb13c865364e

SHA256
4ec69af733e6277932612c7355ca58d6cb7ad99831908c81e19d2625a11a14bf

SHA512
188e5a5be888787a518697ecebb273b9ae29f824086a9c3f6a11a8c32e3c3c975f622864945ac099b125fde660125cb704886ad34b4e76c1e7531746ae73fb5c

Download Submit
\Windows\SysWOW64\ftpdll.dll

Filesize
5KB

MD5
d807aa04480d1d149f7a4cac22984188

SHA1
ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

SHA256
eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

SHA512
875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

Download Submit
memory/2444-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2444-11-0x0000000010000000-0x000000001010B000-memory.dmp

Filesize
1.0MB

Download
memory/2444-14-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads