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
0s -
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/IA2Marshal.dll
-
Size
29KB
-
MD5
b86c7738dc97bb0f15ec1dd16828700b
-
SHA1
e396affa49a70b758e3fb746b695bcd0d4e35291
-
SHA256
c08763e03bf8e0a2c2467ce2add20f5604ad5345f18ad9d5a5a5d7bc94e21b0a
-
SHA512
f2f9a542a9f26616a8491cd05dcce5123e73b2219a1969d4cfe4ef83a096d1d90feacb682fd9a60fb4d2fc0e0d52cc71f14ad449a76c1aefa9efeed164d978c1
-
SSDEEP
384:aAWbyWRtTQ4nzvs64TQ4n3SP/wDKWGUAX:aAWm4zZp432/QyUAX
Malware Config
Signatures
-
Modifies registry class 64 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1546D4B0-4C98-4BDA-89AE-9A64748BDDE4}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A59AA09A-7011-4B65-939D-32B1FB5547E3}\NumMethods\ = "10" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{01C20F2B-3DD2-400F-949F-AD00BDAB1D41}\NumMethods\ = "14" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6B4F8BBF-F1F2-418A-B35E-A195BC4103B9} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{24FD2FFB-3AAD-4A08-8335-A3AD89C0FB4B}\ProxyStubClsid32\ = "{E89F726E-C4F4-4C19-BB19-B647D7FA8478}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{35855B5B-C566-4FD0-A7B1-E65465600394}\ = "IAccessibleValue" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FE5ABB3D-615E-4F7B-909F-5F0EDA9E8DDE}\ = "IAccessibleImage" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{35AD8070-C20C-4FB4-B094-F4F7275DD469}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{24FD2FFB-3AAD-4A08-8335-A3AD89C0FB4B}\ = "IAccessibleText" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9690A9CC-5C80-4DF5-852E-2D5AE4189A54}\ = "IAccessibleText2" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9690A9CC-5C80-4DF5-852E-2D5AE4189A54}\NumMethods\ = "23" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{35855B5B-C566-4FD0-A7B1-E65465600394}\ProxyStubClsid32\ = "{E89F726E-C4F4-4C19-BB19-B647D7FA8478}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1546D4B0-4C98-4BDA-89AE-9A64748BDDE4}\NumMethods\ = "6" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{24FD2FFB-3AAD-4A08-8335-A3AD89C0FB4B}\NumMethods\ = "22" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{35AD8070-C20C-4FB4-B094-F4F7275DD469}\ = "IAccessibleTable" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{594116B1-C99F-4847-AD06-0A7A86ECE645} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{594116B1-C99F-4847-AD06-0A7A86ECE645}\ = "IAccessibleTableCell" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9690A9CC-5C80-4DF5-852E-2D5AE4189A54}\ProxyStubClsid32\ = "{E89F726E-C4F4-4C19-BB19-B647D7FA8478}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{35855B5B-C566-4FD0-A7B1-E65465600394} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E89F726E-C4F4-4C19-BB19-B647D7FA8478}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6B4F8BBF-F1F2-418A-B35E-A195BC4103B9}\ = "IAccessibleHypertext" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{594116B1-C99F-4847-AD06-0A7A86ECE645}\NumMethods\ = "12" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D49DED83-5B25-43F4-9B95-93B44595979E}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1546D4B0-4C98-4BDA-89AE-9A64748BDDE4}\ = "IAccessibleComponent" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C48C7FCF-4AB5-4056-AFA6-902D6E1D1149}\ProxyStubClsid32\ = "{E89F726E-C4F4-4C19-BB19-B647D7FA8478}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{CF64D89F-8287-4B44-8501-A827453A6077}\ = "IAccessibleHypertext2" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6C9430E9-299D-4E6F-BD01-A82A1E88D3FF}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D49DED83-5B25-43F4-9B95-93B44595979E}\ = "IAccessibleApplication" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A59AA09A-7011-4B65-939D-32B1FB5547E3}\ = "IAccessibleEditableText" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{35AD8070-C20C-4FB4-B094-F4F7275DD469}\NumMethods regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6C9430E9-299D-4E6F-BD01-A82A1E88D3FF}\ = "IAccessible2_2" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1546D4B0-4C98-4BDA-89AE-9A64748BDDE4} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FE5ABB3D-615E-4F7B-909F-5F0EDA9E8DDE}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E89F726E-C4F4-4C19-BB19-B647D7FA8478}\InProcServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E89F726E-C4F4-4C19-BB19-B647D7FA8478} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{35AD8070-C20C-4FB4-B094-F4F7275DD469} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{35AD8070-C20C-4FB4-B094-F4F7275DD469}\NumMethods\ = "32" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{01C20F2B-3DD2-400F-949F-AD00BDAB1D41}\ProxyStubClsid32\ = "{E89F726E-C4F4-4C19-BB19-B647D7FA8478}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{01C20F2B-3DD2-400F-949F-AD00BDAB1D41}\ = "IAccessibleHyperlink" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A59AA09A-7011-4B65-939D-32B1FB5547E3}\NumMethods regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6B4F8BBF-F1F2-418A-B35E-A195BC4103B9}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FE5ABB3D-615E-4F7B-909F-5F0EDA9E8DDE}\NumMethods\ = "6" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6167F295-06F0-4CDD-A1FA-02E25153D869}\NumMethods\ = "23" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D49DED83-5B25-43F4-9B95-93B44595979E} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D49DED83-5B25-43F4-9B95-93B44595979E}\NumMethods\ = "7" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1546D4B0-4C98-4BDA-89AE-9A64748BDDE4}\ProxyStubClsid32\ = "{E89F726E-C4F4-4C19-BB19-B647D7FA8478}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6B4F8BBF-F1F2-418A-B35E-A195BC4103B9}\NumMethods\ = "25" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9690A9CC-5C80-4DF5-852E-2D5AE4189A54} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9690A9CC-5C80-4DF5-852E-2D5AE4189A54}\NumMethods regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6C9430E9-299D-4E6F-BD01-A82A1E88D3FF}\NumMethods\ = "49" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C48C7FCF-4AB5-4056-AFA6-902D6E1D1149}\NumMethods\ = "4" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{01C20F2B-3DD2-400F-949F-AD00BDAB1D41}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6B4F8BBF-F1F2-418A-B35E-A195BC4103B9}\NumMethods regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{CF64D89F-8287-4B44-8501-A827453A6077}\NumMethods\ = "26" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{594116B1-C99F-4847-AD06-0A7A86ECE645}\NumMethods regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D49DED83-5B25-43F4-9B95-93B44595979E}\ProxyStubClsid32\ = "{E89F726E-C4F4-4C19-BB19-B647D7FA8478}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D49DED83-5B25-43F4-9B95-93B44595979E}\NumMethods regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{CF64D89F-8287-4B44-8501-A827453A6077}\ProxyStubClsid32\ = "{E89F726E-C4F4-4C19-BB19-B647D7FA8478}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FE5ABB3D-615E-4F7B-909F-5F0EDA9E8DDE}\NumMethods regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7CDF86EE-C3DA-496A-BDA4-281B336E1FDC}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7CDF86EE-C3DA-496A-BDA4-281B336E1FDC}\NumMethods regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6167F295-06F0-4CDD-A1FA-02E25153D869}\ = "IAccessibleTable2" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6B4F8BBF-F1F2-418A-B35E-A195BC4103B9}\ProxyStubClsid32\ = "{E89F726E-C4F4-4C19-BB19-B647D7FA8478}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7CDF86EE-C3DA-496A-BDA4-281B336E1FDC}\ = "IAccessibleRelation" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1308 wrote to memory of 1148 1308 regsvr32.exe 27 PID 1308 wrote to memory of 1148 1308 regsvr32.exe 27 PID 1308 wrote to memory of 1148 1308 regsvr32.exe 27 PID 1308 wrote to memory of 1148 1308 regsvr32.exe 27 PID 1308 wrote to memory of 1148 1308 regsvr32.exe 27 PID 1308 wrote to memory of 1148 1308 regsvr32.exe 27 PID 1308 wrote to memory of 1148 1308 regsvr32.exe 27
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\Data\xulrunner\IA2Marshal.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1308 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\Data\xulrunner\IA2Marshal.dll2⤵
- Modifies registry class
PID:1148
-