Analysis
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max time kernel
142s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
04/02/2024, 17:30
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
8fbde37b352302a42658caa260a7f9c6.dll
Resource
win7-20231215-en
3 signatures
150 seconds
General
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Target
8fbde37b352302a42658caa260a7f9c6.dll
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Size
300KB
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MD5
8fbde37b352302a42658caa260a7f9c6
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SHA1
0afa716603ed23c4c63b74b2031901358cecdb44
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SHA256
0d3ad4a4444f114374720c4950178bacea223a73595b957814c776e73f214bc7
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SHA512
a5917aa82ac02a3a139737a807d186aa25c948c51c3a17a9e1e4fd4c648b02a2b8bceb04a0ac9050b7df3ba3e5c9ef71880b55d939e029f3f2eb616f28f94c2f
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SSDEEP
3072:EA6cbZ2i/VYDN4+6tY7N13zZ62hkRhK4KX/QFPEH2DjxWU897vVq9/wjK0tCByrr:rhVYDNgy7N9z0AkRxAmcyWU21jKDByr
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 1 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8663655C-F6D4-4520-859E-67008902A889} regsvr32.exe -
Modifies registry class 50 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8663655C-F6D4-4520-859E-67008902A889}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A59C4135-DF7A-4666-8129-478376867B3C}\1.0\HELPDIR\ regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049}\TypeLib\ = "{A59C4135-DF7A-4666-8129-478376867B3C}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A59C4135-DF7A-4666-8129-478376867B3C}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A59C4135-DF7A-4666-8129-478376867B3C}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F}\TypeLib\ = "{A59C4135-DF7A-4666-8129-478376867B3C}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8663655C-F6D4-4520-859E-67008902A889}\ProgID\ = "QXK.Olive" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A59C4135-DF7A-4666-8129-478376867B3C}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8663655C-F6D4-4520-859E-67008902A889}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8663655C-F6D4-4520-859E-67008902A889}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8fbde37b352302a42658caa260a7f9c6.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A59C4135-DF7A-4666-8129-478376867B3C} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A59C4135-DF7A-4666-8129-478376867B3C}\1.0\ = "atnb TL" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A59C4135-DF7A-4666-8129-478376867B3C}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8fbde37b352302a42658caa260a7f9c6.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F}\TypeLib\ = "{A59C4135-DF7A-4666-8129-478376867B3C}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F}\ = "Iatnb" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8663655C-F6D4-4520-859E-67008902A889}\VersionIndependentProgID\ = "QXK.Olive" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8663655C-F6D4-4520-859E-67008902A889}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049}\TypeLib\ = "{A59C4135-DF7A-4666-8129-478376867B3C}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F}\ = "Iatnb" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8663655C-F6D4-4520-859E-67008902A889} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8663655C-F6D4-4520-859E-67008902A889}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8663655C-F6D4-4520-859E-67008902A889}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A59C4135-DF7A-4666-8129-478376867B3C}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8663655C-F6D4-4520-859E-67008902A889}\TypeLib\ = "{A59C4135-DF7A-4666-8129-478376867B3C}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8663655C-F6D4-4520-859E-67008902A889}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A59C4135-DF7A-4666-8129-478376867B3C}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8663655C-F6D4-4520-859E-67008902A889}\ = "QXK Olive" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A59C4135-DF7A-4666-8129-478376867B3C}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049}\ = "_IatnbEvents" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049}\ = "_IatnbEvents" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049}\TypeLib\Version = "1.0" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1968 wrote to memory of 1864 1968 regsvr32.exe 84 PID 1968 wrote to memory of 1864 1968 regsvr32.exe 84 PID 1968 wrote to memory of 1864 1968 regsvr32.exe 84
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\8fbde37b352302a42658caa260a7f9c6.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1968 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\8fbde37b352302a42658caa260a7f9c6.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1864
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