bf9cff6dd482cc1d081283fcc4ee72b0a0a3a5d4922c6313b3487bbc1daef128

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2022, 17:01

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General

Target

bf9cff6dd482cc1d081283fcc4ee72b0a0a3a5d4922c6313b3487bbc1daef128.dll
Size

364KB
MD5

5957549439bf3a8581a726e7ec69482a
SHA1

7118080cb133f82f65009511ea0a28389058b2d6
SHA256

bf9cff6dd482cc1d081283fcc4ee72b0a0a3a5d4922c6313b3487bbc1daef128
SHA512

340aba50da38e434585bc351fe0a83afcfe46bf6d84aceacc58ea658747be9aee60e61138b575f09175d92d313872df413140217e044c1844a4f831a3e39d47d
SSDEEP

6144:oWL5AVru/vU5VLe9SgiZ7x05qmQTouSHucLVbOvo2POq9:sVKyLaSgiZ7x05qmuojL2a

Score

1^/10

Malware Config

Signatures

Modifies registry class 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{09F9B461-C659-4604-85D0-24B551F8C3FC}\ = "_cPrxylinus"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PrxylinuSle.IPrxylinu\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D05D77FB-D71B-4115-B5D9-C0B05134F7F3}\ProxyStubClsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14E23D6A-FA5E-414E-8B63-FC32B9F41388}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{09F9B461-C659-4604-85D0-24B551F8C3FC}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PrxylinuSle.Prxylinu\ = "PrxylinuSle.Prxylinu"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3016413D-1039-4C8B-891F-30C13FA6BC8D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{508FA23A-5CC4-49E8-92D0-29E4EAD9A951}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{508FA23A-5CC4-49E8-92D0-29E4EAD9A951}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{887D8383-6C04-4A0C-99FE-9E35A79BAABA}\ = "PrxylinuSle.IPrxylinu"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{887D8383-6C04-4A0C-99FE-9E35A79BAABA}\VERSION\ = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A870B2A0-1CA9-4A63-9660-F565011CB5D5}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bf9cff6dd482cc1d081283fcc4ee72b0a0a3a5d4922c6313b3487bbc1daef128.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8B4E54A6-201F-4803-9982-4D53FC99682E}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F487B577-2F47-4C85-85C1-75CEB484EF77}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0F9EDA84-F692-457F-83E4-B3452CCC94AA}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{887D8383-6C04-4A0C-99FE-9E35A79BAABA}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PrxylinuSle.cPrxylinus\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F487B577-2F47-4C85-85C1-75CEB484EF77}\1.0\ = "PrxylinuSle"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3016413D-1039-4C8B-891F-30C13FA6BC8D}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3016413D-1039-4C8B-891F-30C13FA6BC8D}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{508FA23A-5CC4-49E8-92D0-29E4EAD9A951}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{09F9B461-C659-4604-85D0-24B551F8C3FC}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D05D77FB-D71B-4115-B5D9-C0B05134F7F3}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{887D8383-6C04-4A0C-99FE-9E35A79BAABA}\Implemented Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14E23D6A-FA5E-414E-8B63-FC32B9F41388}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bf9cff6dd482cc1d081283fcc4ee72b0a0a3a5d4922c6313b3487bbc1daef128.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3016413D-1039-4C8B-891F-30C13FA6BC8D}\ = "_Prxylinu"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C48D3EDA-EBCA-41E8-AA6C-5EE6E2E7EA25}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8B4E54A6-201F-4803-9982-4D53FC99682E}\ProgID\ = "PrxylinuSle.cPrxylinu"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{887D8383-6C04-4A0C-99FE-9E35A79BAABA}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PrxylinuSle.cPrxylinu\Clsid\ = "{8B4E54A6-201F-4803-9982-4D53FC99682E}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0F9EDA84-F692-457F-83E4-B3452CCC94AA}\ = "cPrxylinu"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C48D3EDA-EBCA-41E8-AA6C-5EE6E2E7EA25}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0F9EDA84-F692-457F-83E4-B3452CCC94AA}\TypeLib\ = "{F487B577-2F47-4C85-85C1-75CEB484EF77}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0F9EDA84-F692-457F-83E4-B3452CCC94AA}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{09F9B461-C659-4604-85D0-24B551F8C3FC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D05D77FB-D71B-4115-B5D9-C0B05134F7F3}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FCED78A-9469-4A19-9163-ABE5D15651BF}\TypeLib\ = "{F487B577-2F47-4C85-85C1-75CEB484EF77}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A870B2A0-1CA9-4A63-9660-F565011CB5D5}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A870B2A0-1CA9-4A63-9660-F565011CB5D5}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C48D3EDA-EBCA-41E8-AA6C-5EE6E2E7EA25}\ = "PrxylinuSle.Prxylinu"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F487B577-2F47-4C85-85C1-75CEB484EF77}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3016413D-1039-4C8B-891F-30C13FA6BC8D}\TypeLib\ = "{F487B577-2F47-4C85-85C1-75CEB484EF77}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0F9EDA84-F692-457F-83E4-B3452CCC94AA}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D05D77FB-D71B-4115-B5D9-C0B05134F7F3}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14E23D6A-FA5E-414E-8B63-FC32B9F41388}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A870B2A0-1CA9-4A63-9660-F565011CB5D5}\ = "PrxylinuSle.cPrxylinuEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PrxylinuSle.Prxylinu\Clsid\ = "{C48D3EDA-EBCA-41E8-AA6C-5EE6E2E7EA25}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3016413D-1039-4C8B-891F-30C13FA6BC8D}\ = "Prxylinu"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3016413D-1039-4C8B-891F-30C13FA6BC8D}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3016413D-1039-4C8B-891F-30C13FA6BC8D}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{09F9B461-C659-4604-85D0-24B551F8C3FC}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D05D77FB-D71B-4115-B5D9-C0B05134F7F3}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14E23D6A-FA5E-414E-8B63-FC32B9F41388}\ = "PrxylinuSle.cPrxylinus"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{09F9B461-C659-4604-85D0-24B551F8C3FC}\ = "cPrxylinus"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C48D3EDA-EBCA-41E8-AA6C-5EE6E2E7EA25}\Implemented Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3016413D-1039-4C8B-891F-30C13FA6BC8D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{09F9B461-C659-4604-85D0-24B551F8C3FC}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PrxylinuSle.cPrxylinuEvents\Clsid\ = "{A870B2A0-1CA9-4A63-9660-F565011CB5D5}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C48D3EDA-EBCA-41E8-AA6C-5EE6E2E7EA25}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bf9cff6dd482cc1d081283fcc4ee72b0a0a3a5d4922c6313b3487bbc1daef128.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3016413D-1039-4C8B-891F-30C13FA6BC8D}\ProxyStubClsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3016413D-1039-4C8B-891F-30C13FA6BC8D}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F487B577-2F47-4C85-85C1-75CEB484EF77}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A870B2A0-1CA9-4A63-9660-F565011CB5D5}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A870B2A0-1CA9-4A63-9660-F565011CB5D5}\TypeLib\ = "{F487B577-2F47-4C85-85C1-75CEB484EF77}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4092 wrote to memory of 2740	4092	regsvr32.exe	81
PID 4092 wrote to memory of 2740	4092	regsvr32.exe	81
PID 4092 wrote to memory of 2740	4092	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\bf9cff6dd482cc1d081283fcc4ee72b0a0a3a5d4922c6313b3487bbc1daef128.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4092
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\bf9cff6dd482cc1d081283fcc4ee72b0a0a3a5d4922c6313b3487bbc1daef128.dll
  2⤵
  - Modifies registry class
  PID:2740

Analysis

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Malware Config

Signatures

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Network

MITRE ATT&CK Matrix

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