Analysis
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max time kernel
26s -
max time network
31s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 18:58
Static task
static1
Behavioral task
behavioral1
Sample
aefeb4d6f141cc7d18c1d69e5c76d3101526d0ed38e4b69217bb1db8e84f0345.dll
Resource
win7-20221111-en
windows7-x64
3 signatures
150 seconds
General
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Target
aefeb4d6f141cc7d18c1d69e5c76d3101526d0ed38e4b69217bb1db8e84f0345.dll
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Size
160KB
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MD5
158c07777197c42a5bec25f00d6d9b42
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SHA1
5c8bf7c92d14c7e1dcf2c98236e40f9b4e1186fa
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SHA256
aefeb4d6f141cc7d18c1d69e5c76d3101526d0ed38e4b69217bb1db8e84f0345
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SHA512
1028694f45b7dd10f66afa5bbd782ef55d3e2b8450466c7da97ce2115121d82a5e3436fe29490cb2691b4c3cd140da35f5993405491751f82df5b7d00beff962
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SSDEEP
3072:A2WAquL7QIKcDo8upA4P+TTyNJnrPth4mT:CaQIaGT4rf
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.
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{4118A625-1B64-4ED1-A2E9-76DEC529D2D2} regsvr32.exe -
Modifies registry class 56 IoCs
Processes:
regsvr32.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4118A625-1B64-4ED1-A2E9-76DEC529D2D2}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\aefeb4d6f141cc7d18c1d69e5c76d3101526d0ed38e4b69217bb1db8e84f0345.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4118A625-1B64-4ED1-A2E9-76DEC529D2D2}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp\CLSID\ = "{4118A625-1B64-4ED1-A2E9-76DEC529D2D2}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4118A625-1B64-4ED1-A2E9-76DEC529D2D2} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91}\ = "_IBhoAppEvents" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}\TypeLib\ = "{A8954909-1F0F-41A5-A7FA-3B376D69E226}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4118A625-1B64-4ED1-A2E9-76DEC529D2D2}\TypeLib\ = "{A8954909-1F0F-41A5-A7FA-3B376D69E226}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4118A625-1B64-4ED1-A2E9-76DEC529D2D2}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp\ = "MS VPS" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91}\ = "_IBhoAppEvents" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4118A625-1B64-4ED1-A2E9-76DEC529D2D2}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91}\TypeLib\ = "{A8954909-1F0F-41A5-A7FA-3B376D69E226}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}\ = "IBhoApp" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}\TypeLib\ = "{A8954909-1F0F-41A5-A7FA-3B376D69E226}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4118A625-1B64-4ED1-A2E9-76DEC529D2D2}\VersionIndependentProgID\ = "MSVPS.VPSSupport" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0\ = "BhoNew 1.0 Type Library" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4118A625-1B64-4ED1-A2E9-76DEC529D2D2}\ = "MSVPS System" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4118A625-1B64-4ED1-A2E9-76DEC529D2D2}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4118A625-1B64-4ED1-A2E9-76DEC529D2D2}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\aefeb4d6f141cc7d18c1d69e5c76d3101526d0ed38e4b69217bb1db8e84f0345.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91}\TypeLib\ = "{A8954909-1F0F-41A5-A7FA-3B376D69E226}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}\ = "IBhoApp" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4118A625-1B64-4ED1-A2E9-76DEC529D2D2}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp\CurVer\ = "MSVPS.VPSSupport" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4118A625-1B64-4ED1-A2E9-76DEC529D2D2}\ProgID\ = "MSVPS.VPSSupport" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91}\TypeLib\Version = "1.0" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
regsvr32.exedescription pid process target process PID 2040 wrote to memory of 2024 2040 regsvr32.exe regsvr32.exe PID 2040 wrote to memory of 2024 2040 regsvr32.exe regsvr32.exe PID 2040 wrote to memory of 2024 2040 regsvr32.exe regsvr32.exe PID 2040 wrote to memory of 2024 2040 regsvr32.exe regsvr32.exe PID 2040 wrote to memory of 2024 2040 regsvr32.exe regsvr32.exe PID 2040 wrote to memory of 2024 2040 regsvr32.exe regsvr32.exe PID 2040 wrote to memory of 2024 2040 regsvr32.exe regsvr32.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\aefeb4d6f141cc7d18c1d69e5c76d3101526d0ed38e4b69217bb1db8e84f0345.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\aefeb4d6f141cc7d18c1d69e5c76d3101526d0ed38e4b69217bb1db8e84f0345.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2024