Analysis
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max time kernel
147s -
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
01/01/2024, 03:10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
3bbc2b95caced2074d3293ef466be1c8.dll
Resource
win7-20231215-en
3 signatures
150 seconds
General
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Target
3bbc2b95caced2074d3293ef466be1c8.dll
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Size
348KB
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MD5
3bbc2b95caced2074d3293ef466be1c8
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SHA1
369b67083eb56db172860d87b45cac4c3a9a37c0
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SHA256
3236413e9780875ec4d17cd70045246ec3b293c2218304dd4224fad5cc89a265
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SHA512
c60fbd4f583f2bbcc83bc49e97441bcff0e1880ff88a49cb97ad03af78b158f260e95d31c52203f9b8e2ffeed07b8b64d1655766a25ce14408781f1c180bed56
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SSDEEP
6144:ILowojVF33t06qk8Bxh61Hqy/9dCaVpJGoTPc:ILoXt060Bxh6KA9dCaVpJG4
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 3 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{21608B66-026F-4DCB-9244-0DACA328DCED} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{21608B66-026F-4DCB-9244-0DACA328DCED}\ = "PlaySushi" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{21608B66-026F-4DCB-9244-0DACA328DCED}\NoExplorer = "1" regsvr32.exe -
Modifies registry class 64 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\ProgID\ = "PlaySushi32.PlaySushi.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\PlaySushi32.PlaySushi\CurVer\ = "PlaySushi32.PlaySushi.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\PSText.DLL regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PlaySushi32.PlaySushi.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{E89A07B5-BD7A-43F9-BDA4-0DAA48AC4FA5}\ = "PlaySushi32" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\PSText.IEButton\ = "IEButton Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\ = "GoClient" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\PSText.IEButton.1\CLSID\ = "{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\PlaySushi32.PlaySushi\ = "PlaySushi" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3bbc2b95caced2074d3293ef466be1c8.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\ = "IIEButton" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PlaySushi32.PlaySushi\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PSText.IEButton regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PSText.IEButton.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3bbc2b95caced2074d3293ef466be1c8.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\TypeLib\ = "{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\TypeLib\ = "{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\ = "PlaySushi" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\VersionIndependentProgID\ = "PlaySushi32.PlaySushi" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}\ = "IPlugin" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\PSText.IEButton\CurVer\ = "PSText.IEButton.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\TypeLib\ = "{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PSText.IEButton\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\ProgID\ = "PSText.IEButton.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\PSText.IEButton\CLSID\ = "{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\TypeLib\ = "{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\PSText.IEButton.1\ = "IEButton Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\VersionIndependentProgID\ = "PSText.IEButton" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PSText.IEButton\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{E89A07B5-BD7A-43F9-BDA4-0DAA48AC4FA5} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\ = "IIEButton" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\PlaySushi32.PlaySushi.1\CLSID\ = "{21608B66-026F-4DCB-9244-0DACA328DCED}" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 688 wrote to memory of 4644 688 regsvr32.exe 33 PID 688 wrote to memory of 4644 688 regsvr32.exe 33 PID 688 wrote to memory of 4644 688 regsvr32.exe 33
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\3bbc2b95caced2074d3293ef466be1c8.dll1⤵
- Suspicious use of WriteProcessMemory
PID:688 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\3bbc2b95caced2074d3293ef466be1c8.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:4644
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