Analysis Overview
SHA256
8248dd738672533329b97b8dd2a346a1ed68b96bfe5adbaf9e41a64d4667e578
Threat Level: Shows suspicious behavior
The file a923172e99c654d59dc54c291514d5c0_NEIKI was found to be: Shows suspicious behavior.
Malicious Activity Summary
Loads dropped DLL
Writes to the Master Boot Record (MBR)
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-09 00:15
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-09 00:15
Reported
2024-05-09 00:18
Platform
win10v2004-20240508-en
Max time kernel
94s
Max time network
128s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a923172e99c654d59dc54c291514d5c0_NEIKI.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a923172e99c654d59dc54c291514d5c0_NEIKI.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a923172e99c654d59dc54c291514d5c0_NEIKI.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a923172e99c654d59dc54c291514d5c0_NEIKI.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a923172e99c654d59dc54c291514d5c0_NEIKI.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a923172e99c654d59dc54c291514d5c0_NEIKI.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3728 wrote to memory of 4708 | N/A | C:\Users\Admin\AppData\Local\Temp\a923172e99c654d59dc54c291514d5c0_NEIKI.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3728 wrote to memory of 4708 | N/A | C:\Users\Admin\AppData\Local\Temp\a923172e99c654d59dc54c291514d5c0_NEIKI.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3728 wrote to memory of 4708 | N/A | C:\Users\Admin\AppData\Local\Temp\a923172e99c654d59dc54c291514d5c0_NEIKI.exe | C:\Windows\SysWOW64\regsvr32.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a923172e99c654d59dc54c291514d5c0_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\a923172e99c654d59dc54c291514d5c0_NEIKI.exe"
C:\Windows\SysWOW64\regsvr32.exe
regsvr32 mswke.dll -s
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 52.111.229.48:443 | tcp | |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
memory/3728-0-0x0000000000400000-0x00000000005F1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\mswke.dll
| MD5 | db7349002f34926a1a4739352016ef7c |
| SHA1 | 959390512349767af31fde1af854b176c41198c3 |
| SHA256 | 824ec6ef24df25e87ff5553eea571c879eed0b4a9a9c3c30fefb5f9b69ca22ee |
| SHA512 | 5e79b833594346fa8c0db7074d4369e9b473b86912ea17183748cb91d247e1aa61b4380c1e2e79cd2548065b37cc53ff9525fe19e8251889a27fd3d0e0633175 |
memory/4708-11-0x0000000002970000-0x0000000002972000-memory.dmp
memory/4708-10-0x0000000010000000-0x0000000010164000-memory.dmp
memory/4708-12-0x000000006FFF0000-0x0000000070000000-memory.dmp
memory/4708-13-0x0000000002A00000-0x0000000002A01000-memory.dmp
memory/4708-15-0x0000000002A20000-0x0000000002A21000-memory.dmp
memory/4708-14-0x0000000002A20000-0x0000000002A21000-memory.dmp
memory/4708-16-0x0000000002A20000-0x0000000002A21000-memory.dmp
memory/4708-18-0x0000000002A20000-0x0000000002A21000-memory.dmp
memory/4708-17-0x0000000002A20000-0x0000000002A21000-memory.dmp
memory/4708-19-0x000000006FFF0000-0x0000000070000000-memory.dmp
memory/3728-21-0x0000000000400000-0x00000000005F1000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-09 00:15
Reported
2024-05-09 00:18
Platform
win7-20240220-en
Max time kernel
118s
Max time network
119s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a923172e99c654d59dc54c291514d5c0_NEIKI.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\a923172e99c654d59dc54c291514d5c0_NEIKI.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\ = "dm.dmsoft" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ = "Idmsoft" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\ = "dm.dmsoft" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\mswke.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\FLAGS | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CurVer\ = "dm.dmsoft" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\ProgID\ = "dm.dmsoft" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CLSID\ = "{26037A0E-7CBD-4FFF-9C63-56F2D0770214}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CurVer | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\ = "Dm" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\HELPDIR | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\ = "{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\ = "{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CLSID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\0\win32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\mswke.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ = "Idmsoft" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\ProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\InprocServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\FLAGS\ = "0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a923172e99c654d59dc54c291514d5c0_NEIKI.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a923172e99c654d59dc54c291514d5c0_NEIKI.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a923172e99c654d59dc54c291514d5c0_NEIKI.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a923172e99c654d59dc54c291514d5c0_NEIKI.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a923172e99c654d59dc54c291514d5c0_NEIKI.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a923172e99c654d59dc54c291514d5c0_NEIKI.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a923172e99c654d59dc54c291514d5c0_NEIKI.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a923172e99c654d59dc54c291514d5c0_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\a923172e99c654d59dc54c291514d5c0_NEIKI.exe"
C:\Windows\SysWOW64\regsvr32.exe
regsvr32 mswke.dll -s
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 1.dmiug.com | udp |
| US | 8.8.8.8:53 | 2.dmiug.com | udp |
| US | 8.8.8.8:53 | 3.dmiug.com | udp |
| US | 8.8.8.8:53 | 4.dmiug.com | udp |
| US | 8.8.8.8:53 | 5.dmiug.com | udp |
| US | 8.8.8.8:53 | 6.dmiug.com | udp |
| US | 8.8.8.8:53 | 7.dmiug.com | udp |
| US | 8.8.8.8:53 | 8.dmiug.com | udp |
| US | 8.8.8.8:53 | 9.dmiug.com | udp |
Files
memory/2860-0-0x0000000000400000-0x00000000005F1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\mswke.dll
| MD5 | db7349002f34926a1a4739352016ef7c |
| SHA1 | 959390512349767af31fde1af854b176c41198c3 |
| SHA256 | 824ec6ef24df25e87ff5553eea571c879eed0b4a9a9c3c30fefb5f9b69ca22ee |
| SHA512 | 5e79b833594346fa8c0db7074d4369e9b473b86912ea17183748cb91d247e1aa61b4380c1e2e79cd2548065b37cc53ff9525fe19e8251889a27fd3d0e0633175 |
memory/2584-11-0x00000000001B0000-0x00000000001B2000-memory.dmp
memory/2584-10-0x0000000010000000-0x0000000010164000-memory.dmp
memory/2584-12-0x000000006FFF0000-0x0000000070000000-memory.dmp
memory/2860-17-0x0000000000790000-0x0000000000792000-memory.dmp
memory/2860-16-0x0000000010000000-0x0000000010164000-memory.dmp
memory/2584-13-0x000000006FFF0000-0x0000000070000000-memory.dmp
memory/2860-19-0x0000000002180000-0x000000000218A000-memory.dmp
memory/2860-18-0x0000000002180000-0x000000000218A000-memory.dmp
memory/2860-20-0x0000000010000000-0x0000000010164000-memory.dmp
memory/2860-22-0x0000000000790000-0x0000000000792000-memory.dmp
memory/2860-23-0x0000000002180000-0x000000000218A000-memory.dmp
memory/2860-24-0x0000000000400000-0x00000000005F1000-memory.dmp