d98eb832336e305e2662fece5f2592be37bbae7136a48ade1aaca292ca14d3ba

General

Target
715557e76fb3aed3e97c59c16a937270_NEIKI.exe
Size 456KB
Sample240508-12leqsce34
SHA256 d98eb832336e305e2662fece5f2592be37bbae7136a48ade1aaca292ca14d3ba
MD5 715557e76fb3aed3e97c59c16a937270
SHA1 4d7cd4f90edbe67e201a6623fd76c25bbac84480
SHA512 04a7c4a1fc783aa64dd3bc0172551c47cd7b30592ddb2cb646d0176cdb0a1a812c64fa0a3bc555faea6d46e1acd7e69b6a4fb0e932de6606ea45d61aa360b1ca
SSDEEP 12288:inaKawSQQ+A1yS5Be1y/y/y8DJQ+RLapu:as0Ye0aa8DJ9Lapu
MD5 SHA1 SHA512 SSDEEP

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 3 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0007000000023275-9.dat	acprotect
behavioral2/memory/1444-12-0x0000000010000000-0x000000001010B000-memory.dmp	acprotect
behavioral2/memory/1444-13-0x0000000010000000-0x000000001010B000-memory.dmp	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1444	715557e76fb3aed3e97c59c16a937270_NEIKI.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0007000000023275-9.dat	upx
behavioral2/memory/1444-12-0x0000000010000000-0x000000001010B000-memory.dmp	upx
behavioral2/memory/1444-13-0x0000000010000000-0x000000001010B000-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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	715557e76fb3aed3e97c59c16a937270_NEIKI.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\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

Installs/modifies Browser Helper Object 2 TTPs 3 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\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	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
1444	715557e76fb3aed3e97c59c16a937270_NEIKI.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1444 wrote to memory of 1812	1444	715557e76fb3aed3e97c59c16a937270_NEIKI.exe	94
PID 1444 wrote to memory of 1812	1444	715557e76fb3aed3e97c59c16a937270_NEIKI.exe	94
PID 1444 wrote to memory of 1812	1444	715557e76fb3aed3e97c59c16a937270_NEIKI.exe	94

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:1444
- C:\Windows\SysWOW64\reg.exe
  reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
  2⤵
  - Installs/modifies Browser Helper Object
  PID:1812

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1424 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
1⤵
PID:4596

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

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Downloads

spools.exe

Path C:\Windows\SysWOW64\drivers\spools.exe
Size 484KB
SHA256 b7d39c45bd05cf9e607c02e1316be01eb4da08b52445714f41d3be3ddc819f8a
MD5 4c257b010953df60fecbc0fe5076830b
SHA1 9c9b3b71d14bd3d7760b1957fdfedd66604a49d3
SHA512 597206682802e8a4c168561e2cf76130f635d6ae3b952f7ee0ac5c4213b96ecda146de43afbcd0c05d9c8a7d61fa71d4fb20bd707fcdb7dec2b5f3645e6c51e2
SSDEEP 12288:inaKawSQQ+A1yS5Be1y/y/y8DJQ+RLapFq:as0Ye0aa8DJ9Lapk
MD5 SHA1 SHA512 SSDEEP

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ftpdll.dll

Path C:\Windows\SysWOW64\ftpdll.dll
Size 5KB
SHA256 eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb
MD5 d807aa04480d1d149f7a4cac22984188
SHA1 ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9
SHA512 875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e
SSDEEP 48:SUKBtiM6VLLJRT4fi+z/JH5eGES4e8d+q2fShltiINGRKu6+BYhAf7kZydxS7Nbo:CJkPjTY15ezS4e8OfSx+BBq0Pmev
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1444-0-0x0000000000400000-0x0000000000411000-memory.dmp

Download

memory/1444-12-0x0000000010000000-0x000000001010B000-memory.dmp

Download

memory/1444-13-0x0000000010000000-0x000000001010B000-memory.dmp

Download

memory/1444-14-0x0000000000400000-0x0000000000411000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads