Analysis
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max time kernel
119s -
max time network
130s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
08/03/2024, 01:17
Static task
static1
Behavioral task
behavioral1
Sample
ba268c9a8e1d0ee0f61a18359de713d8.dll
Resource
win7-20240221-en
windows7-x64
4 signatures
150 seconds
General
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Target
ba268c9a8e1d0ee0f61a18359de713d8.dll
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Size
556KB
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MD5
ba268c9a8e1d0ee0f61a18359de713d8
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SHA1
0d205546fecff5cab6830353aab8f7b8d3f80a76
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SHA256
796505a8aa2e1dd45cfe5ebcfdf88f45abb56c49ca1acce1cdd900df784f4d76
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SHA512
0b8078c18e0d38d00e7fe1adab65c9b5095fcde4b6d97aa7b14a2db66cb2732396947c5bbb23e4925d009a0d52cb71f2129749241708dab9bdd811e4f6f1cbb0
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SSDEEP
12288:0sgJOYVj/Cl+ic4ZoBVI6QmkNjDKaD/RBUlXtjfXHiMGBjfom:0PVi4cmaDD/RBU9tDyrBjom
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.
description ioc Process Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{49DA0177-C74B-47D5-8CE6-BA9C93851A9D} regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{49DA0177-C74B-47D5-8CE6-BA9C93851A9D}\NoExplorer = "1" regsvr32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars\{BEFC3309-1F71-4FB8-9E17-FBC1B90FC22C} regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Explorer Bars regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Explorer Bars\{BEFC3309-1F71-4FB8-9E17-FBC1B90FC22C} regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Explorer Bars\{BEFC3309-1F71-4FB8-9E17-FBC1B90FC22C}\ regsvr32.exe -
Modifies registry class 28 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BEFC3309-1F71-4FB8-9E17-FBC1B90FC22C}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BEFC3309-1F71-4FB8-9E17-FBC1B90FC22C}\InProcServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BEFC3309-1F71-4FB8-9E17-FBC1B90FC22C}\Implemented Categories\{00021493-0000-0000-C000-000000000046} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BEFC3309-1F71-4FB8-9E17-FBC1B90FC22C}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{49DA0177-C74B-47D5-8CE6-BA9C93851A9D}\ regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ba268c9a8e1d0ee0f61a18359de713d8.Find Supporter\Clsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BEFC3309-1F71-4FB8-9E17-FBC1B90FC22C}\Implemented Categories\{00021493-0000-0000-C000-000000000046}\ regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{49DA0177-C74B-47D5-8CE6-BA9C93851A9D}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ba268c9a8e1d0ee0f61a18359de713d8.Find Supporter regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ba268c9a8e1d0ee0f61a18359de713d8.Find Supporter\ regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ba268c9a8e1d0ee0f61a18359de713d8.Find Supporter\Clsid\ = "{49DA0177-C74B-47D5-8CE6-BA9C93851A9D}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{49DA0177-C74B-47D5-8CE6-BA9C93851A9D}\ = "&Find Supporter Helper Object" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BEFC3309-1F71-4FB8-9E17-FBC1B90FC22C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ba268c9a8e1d0ee0f61a18359de713d8.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{49DA0177-C74B-47D5-8CE6-BA9C93851A9D} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{49DA0177-C74B-47D5-8CE6-BA9C93851A9D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ba268c9a8e1d0ee0f61a18359de713d8.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{49DA0177-C74B-47D5-8CE6-BA9C93851A9D}\ProgID\ = "ba268c9a8e1d0ee0f61a18359de713d8.Find Supporter" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{49DA0177-C74B-47D5-8CE6-BA9C93851A9D}\InProcServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BEFC3309-1F71-4FB8-9E17-FBC1B90FC22C}\ regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BEFC3309-1F71-4FB8-9E17-FBC1B90FC22C}\Implemented Categories regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BEFC3309-1F71-4FB8-9E17-FBC1B90FC22C}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ba268c9a8e1d0ee0f61a18359de713d8.Find Supporter\Clsid\ = "{BEFC3309-1F71-4FB8-9E17-FBC1B90FC22C}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BEFC3309-1F71-4FB8-9E17-FBC1B90FC22C}\ProgID\ = "ba268c9a8e1d0ee0f61a18359de713d8.Find Supporter" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BEFC3309-1F71-4FB8-9E17-FBC1B90FC22C}\ = "Find Supporter" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{49DA0177-C74B-47D5-8CE6-BA9C93851A9D}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BEFC3309-1F71-4FB8-9E17-FBC1B90FC22C} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{49DA0177-C74B-47D5-8CE6-BA9C93851A9D}\ProgID regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2488 wrote to memory of 2208 2488 regsvr32.exe 28 PID 2488 wrote to memory of 2208 2488 regsvr32.exe 28 PID 2488 wrote to memory of 2208 2488 regsvr32.exe 28 PID 2488 wrote to memory of 2208 2488 regsvr32.exe 28 PID 2488 wrote to memory of 2208 2488 regsvr32.exe 28 PID 2488 wrote to memory of 2208 2488 regsvr32.exe 28 PID 2488 wrote to memory of 2208 2488 regsvr32.exe 28
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\ba268c9a8e1d0ee0f61a18359de713d8.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2488 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\ba268c9a8e1d0ee0f61a18359de713d8.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:2208
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