Overview
overview
3Static
static
Data/xulru...al.dll
windows7-x64
1Data/xulru...al.dll
windows10-2004-x64
1Data/xulru...43.dll
windows7-x64
3Data/xulru...43.dll
windows10-2004-x64
3Data/xulru...al.dll
windows7-x64
1Data/xulru...al.dll
windows10-2004-x64
1Data/xulru...NF.dll
windows7-x64
1Data/xulru...NF.dll
windows10-2004-x64
1Data/xulru...or.dll
windows7-x64
1Data/xulru...or.dll
windows10-2004-x64
3Data/xulru...er.exe
windows7-x64
1Data/xulru...er.exe
windows10-2004-x64
1Data/xulru...l3.dll
windows7-x64
1Data/xulru...l3.dll
windows10-2004-x64
1Data/xulru...as.dll
windows7-x64
3Data/xulru...as.dll
windows10-2004-x64
3Data/xulru...gdb.py
windows7-x64
3Data/xulru...gdb.py
windows10-2004-x64
3Data/xulrunner/js.exe
windows7-x64
1Data/xulrunner/js.exe
windows10-2004-x64
1Data/xulru...GL.dll
windows7-x64
1Data/xulru...GL.dll
windows10-2004-x64
1Data/xulru...v2.dll
windows7-x64
1Data/xulru...v2.dll
windows10-2004-x64
1Data/xulru...oc.dll
windows7-x64
3Data/xulru...oc.dll
windows10-2004-x64
1Data/xulru...ue.dll
windows7-x64
3Data/xulru...ue.dll
windows10-2004-x64
3Data/xulru...js.dll
windows7-x64
3Data/xulru...js.dll
windows10-2004-x64
1Data/xulru...00.dll
windows7-x64
3Data/xulru...00.dll
windows10-2004-x64
3Analysis
-
max time kernel
1s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
24-10-2022 03:44
Static task
static1
Behavioral task
behavioral1
Sample
Data/xulrunner/AccessibleMarshal.dll
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
Data/xulrunner/AccessibleMarshal.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
Data/xulrunner/D3DCompiler_43.dll
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
Data/xulrunner/D3DCompiler_43.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
Data/xulrunner/IA2Marshal.dll
Resource
win7-20220901-en
Behavioral task
behavioral6
Sample
Data/xulrunner/IA2Marshal.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral7
Sample
Data/xulrunner/SNF.dll
Resource
win7-20220812-en
Behavioral task
behavioral8
Sample
Data/xulrunner/SNF.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral9
Sample
Data/xulrunner/breakpadinjector.dll
Resource
win7-20220901-en
Behavioral task
behavioral10
Sample
Data/xulrunner/breakpadinjector.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral11
Sample
Data/xulrunner/crashreporter.exe
Resource
win7-20220812-en
Behavioral task
behavioral12
Sample
Data/xulrunner/crashreporter.exe
Resource
win10v2004-20220901-en
Behavioral task
behavioral13
Sample
Data/xulrunner/freebl3.dll
Resource
win7-20220812-en
Behavioral task
behavioral14
Sample
Data/xulrunner/freebl3.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral15
Sample
Data/xulrunner/gkmedias.dll
Resource
win7-20220812-en
Behavioral task
behavioral16
Sample
Data/xulrunner/gkmedias.dll
Resource
win10v2004-20220901-en
Behavioral task
behavioral17
Sample
Data/xulrunner/js-gdb.py
Resource
win7-20220812-en
Behavioral task
behavioral18
Sample
Data/xulrunner/js-gdb.py
Resource
win10v2004-20220812-en
Behavioral task
behavioral19
Sample
Data/xulrunner/js.exe
Resource
win7-20220812-en
Behavioral task
behavioral20
Sample
Data/xulrunner/js.exe
Resource
win10v2004-20220901-en
Behavioral task
behavioral21
Sample
Data/xulrunner/libEGL.dll
Resource
win7-20220812-en
Behavioral task
behavioral22
Sample
Data/xulrunner/libEGL.dll
Resource
win10v2004-20220901-en
Behavioral task
behavioral23
Sample
Data/xulrunner/libGLESv2.dll
Resource
win7-20220812-en
Behavioral task
behavioral24
Sample
Data/xulrunner/libGLESv2.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral25
Sample
Data/xulrunner/mozalloc.dll
Resource
win7-20220812-en
Behavioral task
behavioral26
Sample
Data/xulrunner/mozalloc.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral27
Sample
Data/xulrunner/mozglue.dll
Resource
win7-20220901-en
Behavioral task
behavioral28
Sample
Data/xulrunner/mozglue.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral29
Sample
Data/xulrunner/mozjs.dll
Resource
win7-20220812-en
Behavioral task
behavioral30
Sample
Data/xulrunner/mozjs.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral31
Sample
Data/xulrunner/msvcp100.dll
Resource
win7-20220812-en
Behavioral task
behavioral32
Sample
Data/xulrunner/msvcp100.dll
Resource
win10v2004-20220812-en
General
-
Target
Data/xulrunner/AccessibleMarshal.dll
-
Size
11KB
-
MD5
1226ff69534a9aacffb9c276b1681a43
-
SHA1
b3feba994b8fb8751fb1fb11f5ca205c87024600
-
SHA256
77550dbcd8f3cee9c44200df8c5946006a94fee40ceaf2f57b04ecc0f89a75c1
-
SHA512
2b3cd02e89e3069d77aaf1c464c052388d8b6565084363efb2895ef723a75e708084f378c35cb94e38b856514c1813b01e06a82e8d5b1155a1124e339eed6f3a
-
SSDEEP
192:2O2jhoVnjdREVU47iS0dt3Xa6SIqAvGQx:2Tji5jdREVfl0DKWGQ
Malware Config
Signatures
-
Modifies registry class 25 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}\NumMethods regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1814CEEB-49E2-407F-AF99-FA755A7D2607}\NumMethods regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4E747BE5-2052-4265-8AF0-8ECAD7AAD1C0}\NumMethods regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Data\\xulrunner\\AccessibleMarshal.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}\InProcServer32\ThreadingModel = "Both" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1814CEEB-49E2-407F-AF99-FA755A7D2607}\ = "ISimpleDOMNode" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1814CEEB-49E2-407F-AF99-FA755A7D2607}\NumMethods\ = "18" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4E747BE5-2052-4265-8AF0-8ECAD7AAD1C0} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4E747BE5-2052-4265-8AF0-8ECAD7AAD1C0}\ProxyStubClsid32\ = "{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}\InProcServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}\ProxyStubClsid32\ = "{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}\ = "ISimpleDOMDocument" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1814CEEB-49E2-407F-AF99-FA755A7D2607} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1814CEEB-49E2-407F-AF99-FA755A7D2607}\ProxyStubClsid32\ = "{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4E747BE5-2052-4265-8AF0-8ECAD7AAD1C0}\ = "ISimpleDOMText" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4E747BE5-2052-4265-8AF0-8ECAD7AAD1C0}\NumMethods\ = "8" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}\NumMethods\ = "9" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1814CEEB-49E2-407F-AF99-FA755A7D2607}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4E747BE5-2052-4265-8AF0-8ECAD7AAD1C0}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}\ = "PSFactoryBuffer" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1900 wrote to memory of 1928 1900 regsvr32.exe 27 PID 1900 wrote to memory of 1928 1900 regsvr32.exe 27 PID 1900 wrote to memory of 1928 1900 regsvr32.exe 27 PID 1900 wrote to memory of 1928 1900 regsvr32.exe 27 PID 1900 wrote to memory of 1928 1900 regsvr32.exe 27 PID 1900 wrote to memory of 1928 1900 regsvr32.exe 27 PID 1900 wrote to memory of 1928 1900 regsvr32.exe 27
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\Data\xulrunner\AccessibleMarshal.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\Data\xulrunner\AccessibleMarshal.dll2⤵
- Modifies registry class
PID:1928
-