Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220331-en -
submitted
06-04-2022 14:22
Static task
static1
Behavioral task
behavioral1
Sample
bc94b1b10261c26e2487130997ee1bca8a36b6f1663a4062a59cf62034101542.dll
Resource
win7-20220331-en
windows7_x64
0 signatures
0 seconds
General
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Target
bc94b1b10261c26e2487130997ee1bca8a36b6f1663a4062a59cf62034101542.dll
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Size
18KB
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MD5
3ae233ba25dddadb30bdce4f52821c5d
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SHA1
0740aa3e35b6c2e34b4bba02a358a56dac7a0ba9
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SHA256
bc94b1b10261c26e2487130997ee1bca8a36b6f1663a4062a59cf62034101542
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SHA512
c9c05a6df93435c1b79d0c47343a4d80e296219bcba88a25a01746db4adb1f74a5a2d22ab73a571666c24a419ecf02d3a69904ef502a87764afee6b4b86e3a29
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 60 IoCs
Processes:
regsvr32.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\BC94B1~1.DLL" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\TypeLib\ = "{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho\CurVer\ = "BhoNew.Bho.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\ = "_IBhoEvents" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho.1\CLSID\ = "{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho\ = "Gold Manager" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho\CLSID\ = "{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE}\VersionIndependentProgID\ = "BhoNew.Bho" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\ = "_IBhoEvents" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE}\ProgID\ = "BhoNew.Bho.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\ = "Type Library" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bc94b1b10261c26e2487130997ee1bca8a36b6f1663a4062a59cf62034101542.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\TypeLib\ = "{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho.1\ = "Gold Manager" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE}\TypeLib\ = "{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\TypeLib\ = "{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\ = "IBho" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\TypeLib\ = "{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE}\ = "Gold Manager" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\ = "IBho" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
regsvr32.exedescription pid process target process PID 4580 wrote to memory of 2532 4580 regsvr32.exe regsvr32.exe PID 4580 wrote to memory of 2532 4580 regsvr32.exe regsvr32.exe PID 4580 wrote to memory of 2532 4580 regsvr32.exe regsvr32.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\bc94b1b10261c26e2487130997ee1bca8a36b6f1663a4062a59cf62034101542.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\bc94b1b10261c26e2487130997ee1bca8a36b6f1663a4062a59cf62034101542.dll2⤵
- Modifies registry class
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/2532-124-0x0000000000000000-mapping.dmp