Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
09/05/2024, 00:15
Static task
static1
Behavioral task
behavioral1
Sample
a923172e99c654d59dc54c291514d5c0_NEIKI.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
a923172e99c654d59dc54c291514d5c0_NEIKI.exe
Resource
win10v2004-20240508-en
General
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Target
a923172e99c654d59dc54c291514d5c0_NEIKI.exe
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Size
1.7MB
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MD5
a923172e99c654d59dc54c291514d5c0
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SHA1
0f21057b4aae5267f953591f1e46a4d5a05aa0c6
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SHA256
8248dd738672533329b97b8dd2a346a1ed68b96bfe5adbaf9e41a64d4667e578
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SHA512
7dcba83b2ec9db84ae04e95e8b079620d6e0fb51bf723fe72817960af16fff94e971b19d2de6c2f8e59b9728add7a14006a4a6ee7f528118ce072e7372e626ea
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SSDEEP
24576:6D4Hc3VVd1utfeLhR/E+pUCiFpOV8SWOVqqyzH2u/Q8RjA+g7Xae5l/Jl2t:6kc3VVHusLhR/EsUCiFpOWJ2WFIbX3u
Malware Config
Signatures
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Loads dropped DLL 2 IoCs
pid Process 2584 regsvr32.exe 2860 a923172e99c654d59dc54c291514d5c0_NEIKI.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 a923172e99c654d59dc54c291514d5c0_NEIKI.exe -
Modifies registry class 37 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\ = "dm.dmsoft" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ = "Idmsoft" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\ = "dm.dmsoft" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\mswke.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CurVer\ = "dm.dmsoft" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\ProgID\ = "dm.dmsoft" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CLSID\ = "{26037A0E-7CBD-4FFF-9C63-56F2D0770214}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\ = "Dm" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\ = "{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\ = "{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\0\win32 regsvr32.exe 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" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ = "Idmsoft" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\FLAGS\ = "0" regsvr32.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 2860 a923172e99c654d59dc54c291514d5c0_NEIKI.exe Token: SeDebugPrivilege 2860 a923172e99c654d59dc54c291514d5c0_NEIKI.exe Token: SeDebugPrivilege 2860 a923172e99c654d59dc54c291514d5c0_NEIKI.exe Token: SeDebugPrivilege 2860 a923172e99c654d59dc54c291514d5c0_NEIKI.exe Token: SeDebugPrivilege 2860 a923172e99c654d59dc54c291514d5c0_NEIKI.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2860 a923172e99c654d59dc54c291514d5c0_NEIKI.exe 2860 a923172e99c654d59dc54c291514d5c0_NEIKI.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2860 wrote to memory of 2584 2860 a923172e99c654d59dc54c291514d5c0_NEIKI.exe 28 PID 2860 wrote to memory of 2584 2860 a923172e99c654d59dc54c291514d5c0_NEIKI.exe 28 PID 2860 wrote to memory of 2584 2860 a923172e99c654d59dc54c291514d5c0_NEIKI.exe 28 PID 2860 wrote to memory of 2584 2860 a923172e99c654d59dc54c291514d5c0_NEIKI.exe 28 PID 2860 wrote to memory of 2584 2860 a923172e99c654d59dc54c291514d5c0_NEIKI.exe 28 PID 2860 wrote to memory of 2584 2860 a923172e99c654d59dc54c291514d5c0_NEIKI.exe 28 PID 2860 wrote to memory of 2584 2860 a923172e99c654d59dc54c291514d5c0_NEIKI.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\a923172e99c654d59dc54c291514d5c0_NEIKI.exe"C:\Users\Admin\AppData\Local\Temp\a923172e99c654d59dc54c291514d5c0_NEIKI.exe"1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2860 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32 mswke.dll -s2⤵
- Loads dropped DLL
- Modifies registry class
PID:2584
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
756KB
MD5db7349002f34926a1a4739352016ef7c
SHA1959390512349767af31fde1af854b176c41198c3
SHA256824ec6ef24df25e87ff5553eea571c879eed0b4a9a9c3c30fefb5f9b69ca22ee
SHA5125e79b833594346fa8c0db7074d4369e9b473b86912ea17183748cb91d247e1aa61b4380c1e2e79cd2548065b37cc53ff9525fe19e8251889a27fd3d0e0633175