Analysis
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max time kernel
183s -
max time network
188s -
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, 19:39
Static task
static1
Behavioral task
behavioral1
Sample
cdb23e70fb9ecca1ea94d998a6accdfc73c696616af3b644c8880978621839fa.dll
Resource
win7-20220812-en
3 signatures
150 seconds
General
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Target
cdb23e70fb9ecca1ea94d998a6accdfc73c696616af3b644c8880978621839fa.dll
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Size
293KB
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MD5
79f43f06ab7c855f76c83df06f706381
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SHA1
42292e7e9a418af40418a71136ae63518eecaa37
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SHA256
cdb23e70fb9ecca1ea94d998a6accdfc73c696616af3b644c8880978621839fa
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SHA512
ef50e9cc38ce2927e7ae68a1604a787b79fcb6ce28b78222b07587efd8a4e058bf0e3ef7cd069f1f6ff78895d019f70753e3019e7f22b80892d1d5c45e5e687d
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SSDEEP
6144:NslnkPl3sHwdftosbnhRwQgFuga2lwD+KflFLQt:NslnY3sHwd1lbnhuQgFugatD+eJQ
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 Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{FAFE119D-C287-4070-BB01-A9CF40D6E2F9}\NoExplorer = "1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{FAFE119D-C287-4070-BB01-A9CF40D6E2F9} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{FAFE119D-C287-4070-BB01-A9CF40D6E2F9}\ = "domlibP" regsvr32.exe -
Modifies registry class 64 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FAFE119D-C287-4070-BB01-A9CF40D6E2F9}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FAFE119D-C287-4070-BB01-A9CF40D6E2F9}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A6851C07-82E1-42CF-B782-C5703C77CC57} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{48EE0D20-8581-4D5D-A66E-ED5576F9632F}\ProxyStubClsid32\ = "{A6851C07-82E1-42CF-B782-C5703C77CC57}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B544BBF-A692-4089-AC17-319095B38E41}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin\CurVer\ = "domlib.AClass.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{73AF4154-CB45-4E3C-8796-8D5B53299B2F}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A6851C07-82E1-42CF-B782-C5703C77CC57}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A6851C07-82E1-42CF-B782-C5703C77CC57}\InProcServer32 regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\WOW6432Node\Interface regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FAFE119D-C287-4070-BB01-A9CF40D6E2F9}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{48EE0D20-8581-4D5D-A66E-ED5576F9632F} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A6851C07-82E1-42CF-B782-C5703C77CC57}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A6851C07-82E1-42CF-B782-C5703C77CC57}\ = "PSFactoryBuffer" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\domlib.DLL regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{48EE0D20-8581-4D5D-A66E-ED5576F9632F}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr\ = "domlibB Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{73AF4154-CB45-4E3C-8796-8D5B53299B2F}\1.0\ = "domlib Type Library" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{73AF4154-CB45-4E3C-8796-8D5B53299B2F}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{73AF4154-CB45-4E3C-8796-8D5B53299B2F}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{73AF4154-CB45-4E3C-8796-8D5B53299B2F}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A6851C07-82E1-42CF-B782-C5703C77CC57}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A6851C07-82E1-42CF-B782-C5703C77CC57}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr.1\CLSID\ = "{5B544BBF-A692-4089-AC17-319095B38E41}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr\CurVer\ = "Lexlibplugin.LexlibMimeFiltr.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{73AF4154-CB45-4E3C-8796-8D5B53299B2F}\1.0 regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\WOW6432Node\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A6851C07-82E1-42CF-B782-C5703C77CC57}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cdb23e70fb9ecca1ea94d998a6accdfc73c696616af3b644c8880978621839fa.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A6851C07-82E1-42CF-B782-C5703C77CC57}\NumMethods regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{73AF4154-CB45-4E3C-8796-8D5B53299B2F} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{48EE0D20-8581-4D5D-A66E-ED5576F9632F}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A6851C07-82E1-42CF-B782-C5703C77CC57}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A6851C07-82E1-42CF-B782-C5703C77CC57}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A6851C07-82E1-42CF-B782-C5703C77CC57}\TypeLib\ = "{73AF4154-CB45-4E3C-8796-8D5B53299B2F}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B544BBF-A692-4089-AC17-319095B38E41}\ = "JetMimeFiltr Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B544BBF-A692-4089-AC17-319095B38E41}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B544BBF-A692-4089-AC17-319095B38E41}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A6851C07-82E1-42CF-B782-C5703C77CC57} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A6851C07-82E1-42CF-B782-C5703C77CC57}\ProxyStubClsid32\ = "{A6851C07-82E1-42CF-B782-C5703C77CC57}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FAFE119D-C287-4070-BB01-A9CF40D6E2F9}\VersionIndependentProgID\ = "domlib.AClass" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FAFE119D-C287-4070-BB01-A9CF40D6E2F9}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A6851C07-82E1-42CF-B782-C5703C77CC57}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A6851C07-82E1-42CF-B782-C5703C77CC57}\InProcServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr\CLSID\ = "{5B544BBF-A692-4089-AC17-319095B38E41}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B544BBF-A692-4089-AC17-319095B38E41}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FAFE119D-C287-4070-BB01-A9CF40D6E2F9} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B544BBF-A692-4089-AC17-319095B38E41}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin.1\ = "domlibA Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin.1\CLSID\ = "{FAFE119D-C287-4070-BB01-A9CF40D6E2F9}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{73AF4154-CB45-4E3C-8796-8D5B53299B2F}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{48EE0D20-8581-4D5D-A66E-ED5576F9632F} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B544BBF-A692-4089-AC17-319095B38E41}\ProgID\ = "domlib.BClass.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B544BBF-A692-4089-AC17-319095B38E41}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cdb23e70fb9ecca1ea94d998a6accdfc73c696616af3b644c8880978621839fa.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{48EE0D20-8581-4D5D-A66E-ED5576F9632F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A6851C07-82E1-42CF-B782-C5703C77CC57}\TypeLib\ = "{73AF4154-CB45-4E3C-8796-8D5B53299B2F}" regsvr32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1408E208-2AC1-42D3-9F10-78A5B36E05AC}\{E4BF93C1-D1E0-422E-82C1-8338FE72BA0B} = 7b00460041004600450031003100390044002d0043003200380037002d0034003000370030002d0042004200300031002d004100390043004600340030004400360045003200460039007d00 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A6851C07-82E1-42CF-B782-C5703C77CC57}\TypeLib\Version = "1.0" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1672 wrote to memory of 1336 1672 regsvr32.exe 80 PID 1672 wrote to memory of 1336 1672 regsvr32.exe 80 PID 1672 wrote to memory of 1336 1672 regsvr32.exe 80
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\cdb23e70fb9ecca1ea94d998a6accdfc73c696616af3b644c8880978621839fa.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1672 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\cdb23e70fb9ecca1ea94d998a6accdfc73c696616af3b644c8880978621839fa.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1336
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