Analysis
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max time kernel
139s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
19/01/2024, 17:01
Behavioral task
behavioral1
Sample
6829cb282ab043344a0e152a9920d616.dll
Resource
win7-20231129-en
3 signatures
150 seconds
General
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Target
6829cb282ab043344a0e152a9920d616.dll
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Size
10KB
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MD5
6829cb282ab043344a0e152a9920d616
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SHA1
b312fe212a2717836af47df82602b0059da9d407
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SHA256
9d665a17c9b6bc6e7b80770f880fe23cc520f65c21315bf431b2440d71280008
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SHA512
cc1b0ac1d01aeb2c683a308e7923fc8798571459473c5ebe1f5e4d177cd605220fc6d769e8ab627002a806289eb667a8200262c3dab047a99bb23997b62edb92
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SSDEEP
192:cSybcBu9cl2cz272kEV6OsPDNViZEFaNJhLkwcud2DH9VwGfctQ/7:cS+wRl2c2LEV6Oc5VEQaNJawcudoD7UW
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4040-0-0x0000000010000000-0x000000001000B000-memory.dmp upx -
Installs/modifies Browser Helper Object 2 TTPs 2 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\{7C109800-A5D5-438F-9640-18D17E168B88} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{7C109800-A5D5-438F-9640-18D17E168B88}\ regsvr32.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\6829cb282ab043344a0e152a9920d616.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}\xxx = "xxx" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3856 wrote to memory of 4040 3856 regsvr32.exe 89 PID 3856 wrote to memory of 4040 3856 regsvr32.exe 89 PID 3856 wrote to memory of 4040 3856 regsvr32.exe 89
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\6829cb282ab043344a0e152a9920d616.dll1⤵
- Suspicious use of WriteProcessMemory
PID:3856 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\6829cb282ab043344a0e152a9920d616.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:4040
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