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Analysis
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max time kernel
143s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
24/12/2023, 21:29
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
130234bb041147fa0999831d68847aa5.dll
Resource
win7-20231215-en
2 signatures
150 seconds
General
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Target
130234bb041147fa0999831d68847aa5.dll
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Size
611KB
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MD5
130234bb041147fa0999831d68847aa5
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SHA1
eefb265ba7ab6f12514d11f9e355616b3db11aa8
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SHA256
e93e3dfd77d9be670f947035baf154cea9971af7e764ef9a0afd7d84edd435f8
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SHA512
56b72fbf5eae7677bbbf3788e2ac89edfa2239eacb7de47294721e454f05543a315731d1ef92e924ae5bf5a4fbac9085895885756193da9404cc7bd387c0f928
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SSDEEP
12288:ryA1ZdqVfv/6HftOIA3+00wstpSdCi3TLdLOGPtwRVBwIHeIBv7pj:f1fqZCHwIr00taCiHp6RHeIBT
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\{CC01FC6C-B948-6BF8-5953-2A2BAFF235FC} regsvr32.exe -
Modifies registry class 11 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\130234bb041147fa0999831d68847aa5.sb regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\130234bb041147fa0999831d68847aa5.sb\ = "sb" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\130234bb041147fa0999831d68847aa5.sb\Clsid\ = "{CC01FC6C-B948-6BF8-5953-2A2BAFF235FC}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-B948-6BF8-5953-2A2BAFF235FC}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-B948-6BF8-5953-2A2BAFF235FC}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\130234bb041147fa0999831d68847aa5.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-B948-6BF8-5953-2A2BAFF235FC}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\130234bb041147fa0999831d68847aa5.sb\Clsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-B948-6BF8-5953-2A2BAFF235FC}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-B948-6BF8-5953-2A2BAFF235FC}\ProgID\ = "130234bb041147fa0999831d68847aa5.sb" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-B948-6BF8-5953-2A2BAFF235FC} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-B948-6BF8-5953-2A2BAFF235FC}\ = "sb" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4880 wrote to memory of 4308 4880 regsvr32.exe 88 PID 4880 wrote to memory of 4308 4880 regsvr32.exe 88 PID 4880 wrote to memory of 4308 4880 regsvr32.exe 88
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\130234bb041147fa0999831d68847aa5.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4880 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\130234bb041147fa0999831d68847aa5.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:4308
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