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Analysis
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max time kernel
119s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
30/12/2023, 11:02
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
16a8cad0aba1a556189f258af26490e4.dll
Resource
win7-20231215-en
3 signatures
150 seconds
General
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Target
16a8cad0aba1a556189f258af26490e4.dll
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Size
63KB
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MD5
16a8cad0aba1a556189f258af26490e4
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SHA1
0040714a31c0d038dfc5d361c12e3c80539344e7
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SHA256
fa635c34d7c9af8c7ccf6cf872e7efc1d75a4bb1a9512dc20ab3d51d5d96f435
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SHA512
8e7855fcf384145083531c56bbd0ec15dfa2e45211cd5e270a444a1b204ee99c713a29c4c2ffbcd4ddca05dcd835df0fb3a9405d6fd1d202e69479f2712fae2d
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SSDEEP
1536:gt22F6I8QzxQSnLJJFgD23gMiv3Ww7de3NP4Zmy22:gtN58QjLHy0Jiv/MZ4d22
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\{49E0E0F0-5C30-11D4-945D-000000007667} regsvr32.exe -
Modifies registry class 11 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{49E0E0F0-5C30-11D4-945D-000000007667}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\16a8cad0aba1a556189f258af26490e4.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\16a8cad0aba1a556189f258af26490e4.IEHelperOP\ = "Internet System" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\16a8cad0aba1a556189f258af26490e4.IEHelperOP\Clsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\16a8cad0aba1a556189f258af26490e4.IEHelperOP\Clsid\ = "{49E0E0F0-5C30-11D4-945D-000000007667}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{49E0E0F0-5C30-11D4-945D-000000007667}\ = "Internet System" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{49E0E0F0-5C30-11D4-945D-000000007667}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{49E0E0F0-5C30-11D4-945D-000000007667}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\16a8cad0aba1a556189f258af26490e4.IEHelperOP regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{49E0E0F0-5C30-11D4-945D-000000007667}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{49E0E0F0-5C30-11D4-945D-000000007667}\ProgID\ = "16a8cad0aba1a556189f258af26490e4.IEHelperOP" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{49E0E0F0-5C30-11D4-945D-000000007667} regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 760 wrote to memory of 2304 760 regsvr32.exe 28 PID 760 wrote to memory of 2304 760 regsvr32.exe 28 PID 760 wrote to memory of 2304 760 regsvr32.exe 28 PID 760 wrote to memory of 2304 760 regsvr32.exe 28 PID 760 wrote to memory of 2304 760 regsvr32.exe 28 PID 760 wrote to memory of 2304 760 regsvr32.exe 28 PID 760 wrote to memory of 2304 760 regsvr32.exe 28
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\16a8cad0aba1a556189f258af26490e4.dll1⤵
- Suspicious use of WriteProcessMemory
PID:760 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\16a8cad0aba1a556189f258af26490e4.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2304
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