Analysis Overview
SHA256
9307604003b2ab87472554836e427a57427f176226d5d1f5529a4d79ad8f7ed4
Threat Level: Shows suspicious behavior
The file dc6d20dad46a7c6d89d57dcc60231a8f was found to be: Shows suspicious behavior.
Malicious Activity Summary
Installs/modifies Browser Helper Object
Unsigned PE
Modifies registry class
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-21 19:27
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-21 19:27
Reported
2024-03-21 19:29
Platform
win7-20240221-en
Max time kernel
121s
Max time network
122s
Command Line
Signatures
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{21608B66-026F-4DCB-9244-0DACA328DCED}\NoExplorer = "1" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{21608B66-026F-4DCB-9244-0DACA328DCED} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{21608B66-026F-4DCB-9244-0DACA328DCED}\ = "PlaySushi" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\VersionIndependentProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\ = "PlaySushi" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\InprocServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\VersionIndependentProgID\ = "PSText.IEButton" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\ProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\Programmable | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\ProgID\ = "PSText.IEButton.1" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\PlaySushi32.PlaySushi.1 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\PlaySushi32.PlaySushi\CurVer | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}\ = "IPlugin" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\PSText.IEButton.1 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\PSText.IEButton\CLSID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\VersionIndependentProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dc6d20dad46a7c6d89d57dcc60231a8f.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\ = "IIEButton" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\PSText.IEButton.1\ = "IEButton Class" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\PSText.IEButton | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\PlaySushi32.PlaySushi\CLSID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\PSText.IEButton.1\CLSID\ = "{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}\ = "IPlugin" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\TypeLib\ = "{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\PlaySushi32.PlaySushi\CLSID\ = "{21608B66-026F-4DCB-9244-0DACA328DCED}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0\0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}\TypeLib\ = "{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\PSText.IEButton\CurVer\ = "PSText.IEButton.1" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0\HELPDIR | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\PlaySushi32.PlaySushi | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\PlaySushi32.PlaySushi\CurVer\ = "PlaySushi32.PlaySushi.1" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\PSText.DLL\AppID = "{E89A07B5-BD7A-43F9-BDA4-0DAA48AC4FA5}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\PSText.IEButton.1\CLSID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0\ = "PlaySushi32 1.0 Type Library" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\PSText.DLL | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0\FLAGS | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\PlaySushi32.PlaySushi.1\CLSID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0\FLAGS\ = "0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0\0\win32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dc6d20dad46a7c6d89d57dcc60231a8f.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\ProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\TypeLib\ = "{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2140 wrote to memory of 1720 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2140 wrote to memory of 1720 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2140 wrote to memory of 1720 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2140 wrote to memory of 1720 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2140 wrote to memory of 1720 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2140 wrote to memory of 1720 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2140 wrote to memory of 1720 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dc6d20dad46a7c6d89d57dcc60231a8f.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\dc6d20dad46a7c6d89d57dcc60231a8f.dll
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-21 19:27
Reported
2024-03-21 19:29
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
149s
Command Line
Signatures
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{21608B66-026F-4DCB-9244-0DACA328DCED}\NoExplorer = "1" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{21608B66-026F-4DCB-9244-0DACA328DCED} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{21608B66-026F-4DCB-9244-0DACA328DCED}\ = "PlaySushi" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\ = "IIEButton" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\PlaySushi32.PlaySushi.1 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\PlaySushi32.PlaySushi\CurVer | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\ = "GoPlaySushi" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\VersionIndependentProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\PSText.DLL\AppID = "{E89A07B5-BD7A-43F9-BDA4-0DAA48AC4FA5}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\PlaySushi32.PlaySushi.1\CLSID\ = "{21608B66-026F-4DCB-9244-0DACA328DCED}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\PSText.IEButton.1 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\PSText.IEButton\CLSID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\TypeLib\ = "{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}\TypeLib\ = "{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dc6d20dad46a7c6d89d57dcc60231a8f.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0\0\win32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\VersionIndependentProgID\ = "PlaySushi32.PlaySushi" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\PlaySushi32.PlaySushi.1\ = "PlaySushi" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0\FLAGS | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0\HELPDIR | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}\ = "_IPluginEvents" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\Programmable | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\PSText.IEButton\CLSID\ = "{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dc6d20dad46a7c6d89d57dcc60231a8f.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\PlaySushi32.PlaySushi.1\CLSID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{E89A07B5-BD7A-43F9-BDA4-0DAA48AC4FA5} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\PSText.IEButton.1\ = "IEButton Class" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\VersionIndependentProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\ProgID\ = "PSText.IEButton.1" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0\FLAGS\ = "0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\PSText.IEButton\CurVer | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{21608B66-026F-4DCB-9244-0DACA328DCED}\InprocServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5272CCD4-4199-4B04-BF68-B28A0DCF0151}\ = "IPlugin" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{E89A07B5-BD7A-43F9-BDA4-0DAA48AC4FA5}\ = "PlaySushi32" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\VersionIndependentProgID\ = "PSText.IEButton" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}\TypeLib\ = "{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\ = "IIEButton" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\PSText.IEButton\CurVer\ = "PSText.IEButton.1" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBD24BD3-E272-4FA3-A8BA-C5D709757CAB}\InprocServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}\1.0\ = "PlaySushi32 1.0 Type Library" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F165085B-6B85-4AD5-AD00-95552A823F6D}\TypeLib\ = "{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{45A8F904-D9CA-439B-9CBB-11097B45D9E1}\TypeLib\ = "{975BBCC0-19DF-47C2-9AE2-D78EEFA96821}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\PSText.DLL | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\PlaySushi32.PlaySushi\CurVer\ = "PlaySushi32.PlaySushi.1" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3392 wrote to memory of 1012 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3392 wrote to memory of 1012 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3392 wrote to memory of 1012 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dc6d20dad46a7c6d89d57dcc60231a8f.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\dc6d20dad46a7c6d89d57dcc60231a8f.dll
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 182.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 195.177.78.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 202.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 70.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 58.99.105.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 218.135.221.88.in-addr.arpa | udp |
| GB | 96.17.178.203:80 | tcp | |
| GB | 96.17.178.203:80 | tcp | |
| GB | 96.17.178.203:80 | tcp |