f88489df9aa7618e753a29c1938902524b1ed96393924a0197465c05273e6d56

Analysis

max time kernel
134s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/01/2024, 11:44

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General

Target

AK/AKRunXDll.dll
Size

35KB
MD5

955616cb1bab109d860cddbc28e9d731
SHA1

2add46878f5e672ce6b0ca017dc3e68b338c4777
SHA256

26a824fbcba1116e55d2382c31e75a15851baecab34de49074587d74c4e841a7
SHA512

58f078e86d38eb63e4ced892f1d79a0b74b84abbec18aae3feaf6238e0b20602ee1a2b1249e56a11f0a58fe255ff1182fadbe3ca1f4377620a130ff721617bca
SSDEEP

384:BoKsQVqaDkVDZWNtpotaIs2gLLyUZBzNBTQFC7Bi1q6FbCTZ:qKsQYayZWNYsigLLjZ3CFCU7FbCF

Score

1^/10

Malware Config

Signatures

Modifies registry class 46 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AKRunXDll.AKCheck\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9EAB774-CB72-4EE8-9D3D-E19738C87C04}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B9F3753B-655A-4182-8AA7-4B2FBCFBD5FC}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B9F3753B-655A-4182-8AA7-4B2FBCFBD5FC}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B9F3753B-655A-4182-8AA7-4B2FBCFBD5FC}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AKRunXDll.AKCheck.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AKRunXDll.AKCheck	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AKRunXDll.AKCheck\CLSID\ = "{D9EAB774-CB72-4EE8-9D3D-E19738C87C04}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9EAB774-CB72-4EE8-9D3D-E19738C87C04}\ = "AKCheck Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9EAB774-CB72-4EE8-9D3D-E19738C87C04}\TypeLib\ = "{0349F477-9F4E-4A98-AAD7-5CA12BAEE2F6}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0349F477-9F4E-4A98-AAD7-5CA12BAEE2F6}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B9F3753B-655A-4182-8AA7-4B2FBCFBD5FC}\TypeLib\ = "{0349F477-9F4E-4A98-AAD7-5CA12BAEE2F6}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AKRunXDll.AKCheck\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0349F477-9F4E-4A98-AAD7-5CA12BAEE2F6}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0349F477-9F4E-4A98-AAD7-5CA12BAEE2F6}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0349F477-9F4E-4A98-AAD7-5CA12BAEE2F6}\1.0\ = "AKRunXDll 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0349F477-9F4E-4A98-AAD7-5CA12BAEE2F6}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0349F477-9F4E-4A98-AAD7-5CA12BAEE2F6}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\AK\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B9F3753B-655A-4182-8AA7-4B2FBCFBD5FC}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B9F3753B-655A-4182-8AA7-4B2FBCFBD5FC}\TypeLib\ = "{0349F477-9F4E-4A98-AAD7-5CA12BAEE2F6}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B9F3753B-655A-4182-8AA7-4B2FBCFBD5FC}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B9F3753B-655A-4182-8AA7-4B2FBCFBD5FC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AKRunXDll.AKCheck.1\CLSID\ = "{D9EAB774-CB72-4EE8-9D3D-E19738C87C04}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9EAB774-CB72-4EE8-9D3D-E19738C87C04}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9EAB774-CB72-4EE8-9D3D-E19738C87C04}\ProgID\ = "AKRunXDll.AKCheck.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9EAB774-CB72-4EE8-9D3D-E19738C87C04}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9EAB774-CB72-4EE8-9D3D-E19738C87C04}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9EAB774-CB72-4EE8-9D3D-E19738C87C04}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0349F477-9F4E-4A98-AAD7-5CA12BAEE2F6}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B9F3753B-655A-4182-8AA7-4B2FBCFBD5FC}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B9F3753B-655A-4182-8AA7-4B2FBCFBD5FC}\ = "IAKCheck"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0349F477-9F4E-4A98-AAD7-5CA12BAEE2F6}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B9F3753B-655A-4182-8AA7-4B2FBCFBD5FC}\ = "IAKCheck"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B9F3753B-655A-4182-8AA7-4B2FBCFBD5FC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B9F3753B-655A-4182-8AA7-4B2FBCFBD5FC}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AKRunXDll.AKCheck\ = "AKCheck Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9EAB774-CB72-4EE8-9D3D-E19738C87C04}\VersionIndependentProgID\ = "AKRunXDll.AKCheck"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9EAB774-CB72-4EE8-9D3D-E19738C87C04}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\AK\\AKRunXDll.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0349F477-9F4E-4A98-AAD7-5CA12BAEE2F6}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\AK\\AKRunXDll.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B9F3753B-655A-4182-8AA7-4B2FBCFBD5FC}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AKRunXDll.AKCheck.1\ = "AKCheck Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AKRunXDll.AKCheck.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AKRunXDll.AKCheck\CurVer\ = "AKRunXDll.AKCheck.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9EAB774-CB72-4EE8-9D3D-E19738C87C04}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9EAB774-CB72-4EE8-9D3D-E19738C87C04}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0349F477-9F4E-4A98-AAD7-5CA12BAEE2F6}\1.0\HELPDIR	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 432 wrote to memory of 5104	432	regsvr32.exe	13
PID 432 wrote to memory of 5104	432	regsvr32.exe	13
PID 432 wrote to memory of 5104	432	regsvr32.exe	13

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\AK\AKRunXDll.dll
1⤵
- Modifies registry class
PID:5104

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\AK\AKRunXDll.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:432

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Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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