Analysis
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max time kernel
94s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
08-11-2024 19:34
Static task
static1
Behavioral task
behavioral1
Sample
306cebeb535b4629445d861ca0e425f3905e0f024a915f87723d1b0c331bd9f3N.dll
Resource
win7-20240903-en
General
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Target
306cebeb535b4629445d861ca0e425f3905e0f024a915f87723d1b0c331bd9f3N.dll
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Size
928KB
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MD5
8c2aec01d94d54f48f8908b59b23a360
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SHA1
5883fef3f48a057609526ec842befa9de252c731
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SHA256
306cebeb535b4629445d861ca0e425f3905e0f024a915f87723d1b0c331bd9f3
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SHA512
2931f5494e6cf298376da0f9d7f9527c175e0822a1345c1acf7c0d6252eff75c5a176d4c9c4469cc4e45a6a60491b867968381b7cc45b62166f3ea6dc1c5edd9
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SSDEEP
24576:R4YGABE/zoRtZlyQDk/q7g0rs58z/FDXj12TL326+3:R4YGKMsRJyl/Mg0rFrFj0u
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\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB} regsvr32.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\306cebeb535b4629445d861ca0e425f3905e0f024a915f87723d1b0c331bd9f3N.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\ regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2024 wrote to memory of 3128 2024 regsvr32.exe 83 PID 2024 wrote to memory of 3128 2024 regsvr32.exe 83 PID 2024 wrote to memory of 3128 2024 regsvr32.exe 83
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\306cebeb535b4629445d861ca0e425f3905e0f024a915f87723d1b0c331bd9f3N.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\306cebeb535b4629445d861ca0e425f3905e0f024a915f87723d1b0c331bd9f3N.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:3128
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