Analysis
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max time kernel
78s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
27-04-2022 19:07
Static task
static1
Behavioral task
behavioral1
Sample
9ce47213d9bb40345ed3abea6d0b473f5ba34861436fc395bc133b44d15ac1c7.dll
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
General
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Target
9ce47213d9bb40345ed3abea6d0b473f5ba34861436fc395bc133b44d15ac1c7.dll
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Size
248KB
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MD5
2385c4f996074d98c89def3b1b5d306f
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SHA1
e027697c44edce399f606ebc460cb22287bd76cd
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SHA256
9ce47213d9bb40345ed3abea6d0b473f5ba34861436fc395bc133b44d15ac1c7
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SHA512
b8058a60e47fa510e1f9f24c55fbf7ae2d027af3f15f4df5fec55562bff959668f13a8ad2f98b8d08ad87bd5118ea0a487274c255f7d4b5e03b367d766dea1d7
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs
BHOs are DLL modules which act as plugins for Internet Explorer.
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Modifies registry class 15 IoCs
Processes:
regsvr32.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F9BA1AA9-CAD4-4C14-BDE6-922DFF5F6F38}\wversion = "4.1.6" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{686488AF-13D5-9DDF-4FEF-9FB88698CFC1}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{686488AF-13D5-9DDF-4FEF-9FB88698CFC1}\InprocServer32\ regsvr32.exe Key created \REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{AAB6C1A0-F3A4-4DAC-A922-F82E601E73A8}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{AAB6C1A0-F3A4-4DAC-A922-F82E601E73A8} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AAB6C1A0-F3A4-4DAC-A922-F82E601E73A8}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9ce47213d9bb40345ed3abea6d0b473f5ba34861436fc395bc133b44d15ac1c7.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AAB6C1A0-F3A4-4DAC-A922-F82E601E73A8}\ = "JavaSunSurf Class" regsvr32.exe Key created \REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{F9BA1AA9-CAD4-4C14-BDE6-922DFF5F6F38} regsvr32.exe Key created \REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{686488AF-13D5-9DDF-4FEF-9FB88698CFC1}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{686488AF-13D5-9DDF-4FEF-9FB88698CFC1} regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{686488AF-13D5-9DDF-4FEF-9FB88698CFC1}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F9BA1AA9-CAD4-4C14-BDE6-922DFF5F6F38}\webbrowser = "{AAB6C1A0-F3A4-4DAC-A922-F82E601E73A8}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AAB6C1A0-F3A4-4DAC-A922-F82E601E73A8}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
regsvr32.exedescription pid process target process PID 5028 wrote to memory of 1892 5028 regsvr32.exe regsvr32.exe PID 5028 wrote to memory of 1892 5028 regsvr32.exe regsvr32.exe PID 5028 wrote to memory of 1892 5028 regsvr32.exe regsvr32.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\9ce47213d9bb40345ed3abea6d0b473f5ba34861436fc395bc133b44d15ac1c7.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\9ce47213d9bb40345ed3abea6d0b473f5ba34861436fc395bc133b44d15ac1c7.dll2⤵
- Modifies registry class
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1892-130-0x0000000000000000-mapping.dmp