Analysis
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max time kernel
162s -
max time network
187s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
29-11-2022 06:33
Static task
static1
Behavioral task
behavioral1
Sample
8525014500ae552ac7d27ef57ee8b6f4c94fad3cf419f799ca5d4caf630d8563.dll
Resource
win7-20221111-en
windows7-x64
3 signatures
150 seconds
General
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Target
8525014500ae552ac7d27ef57ee8b6f4c94fad3cf419f799ca5d4caf630d8563.dll
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Size
59KB
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MD5
ee9edd42087268e9a18f4b689b11ad87
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SHA1
f54cccc7976da6288a01ef30af4b841d8c21d826
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SHA256
8525014500ae552ac7d27ef57ee8b6f4c94fad3cf419f799ca5d4caf630d8563
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SHA512
52241156cf9883dc6535c3cabb8579cd5d71de97d81a159759eaa67816f54db4b6acde67480a384e909749216ba9716ce3971ffe333dd17e32a79e4d3426df9b
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SSDEEP
768:9AQRtocpirSsDjaEhePfXrxWuCj4pSTp8UJuPg0hilquELABEJlPCKLo61BHW06t:r4h5aEOtyJFah5pPJlPCB61BHWF
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 2 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{63035881-A749-4139-9CAB-82DCFFA7F106} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{63035881-A749-4139-9CAB-82DCFFA7F106}\ regsvr32.exe -
Modifies registry class 47 IoCs
Processes:
regsvr32.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\ = "CTttPlayer Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\VersionIndependentProgID\ = "BHO.TttPlayer" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0\ = "BHO 1.0 Type Library" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer.1\ = "CTttPlayer Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8525014500ae552ac7d27ef57ee8b6f4c94fad3cf419f799ca5d4caf630d8563.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\ProgID\ = "BHO.TttPlayer.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\AppID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer.1\CLSID\ = "{63035881-A749-4139-9CAB-82DCFFA7F106}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\InprocServer32\ThreadingModel = "apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\ = "ITttPlayer" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\TypeLib\ = "{3B979AB3-29C8-4DC3-829A-E066DDFEA096}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\ = "ITttPlayer" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer\ = "CTttPlayer Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer\CLSID\ = "{63035881-A749-4139-9CAB-82DCFFA7F106}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8525014500ae552ac7d27ef57ee8b6f4c94fad3cf419f799ca5d4caf630d8563.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\TypeLib\ = "{3B979AB3-29C8-4DC3-829A-E066DDFEA096}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer\CurVer\ = "BHO.TttPlayer.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\TypeLib\ = "{3B979AB3-29C8-4DC3-829A-E066DDFEA096}" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
regsvr32.exedescription pid process target process PID 1440 wrote to memory of 2216 1440 regsvr32.exe regsvr32.exe PID 1440 wrote to memory of 2216 1440 regsvr32.exe regsvr32.exe PID 1440 wrote to memory of 2216 1440 regsvr32.exe regsvr32.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\8525014500ae552ac7d27ef57ee8b6f4c94fad3cf419f799ca5d4caf630d8563.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\8525014500ae552ac7d27ef57ee8b6f4c94fad3cf419f799ca5d4caf630d8563.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/2216-132-0x0000000000000000-mapping.dmp