Analysis
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max time kernel
148s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
02-12-2022 18:41
Static task
static1
Behavioral task
behavioral1
Sample
0b6feebcdd7181867cd22a466dd0a131dde15e53ea802f6cdd1a45308b80f40e.dll
Resource
win7-20221111-en
windows7-x64
4 signatures
150 seconds
General
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Target
0b6feebcdd7181867cd22a466dd0a131dde15e53ea802f6cdd1a45308b80f40e.dll
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Size
236KB
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MD5
fb8c3e822f82d2b5d1414d4bdb52d950
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SHA1
0974c12b04ba219b233990359321bf67bb61eb3a
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SHA256
0b6feebcdd7181867cd22a466dd0a131dde15e53ea802f6cdd1a45308b80f40e
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SHA512
a4f1fe3d5508bc55e88b4f89cfdb06f6331e67bbdc32d710edd32b91fc094ed6813a919c6dd80f67eff04c269c7d3792e6897f154f888d76e95159ea27d526dc
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SSDEEP
1536:iJyKyLBQI9ewzxXt5jpP3mrnJPIP4wWm50wgyV4kfIqaKTdcvVftokVBl2PHr2:4yKKQ9wzZt5jpP3P4SNTfl4SkVBl2PK
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.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{AB705622-B25B-491B-A6BF-4A46FDDBC88E} regsvr32.exe -
Modifies registry class 42 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\ = "IEHlprObj Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\ProgID\ = "IEHlprObj.IEHlprObj.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB705628-B25B-491B-A6BF-4A46FDDBC88E} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\TypeLib\ = "{AB705628-B25B-491B-A6BF-4A46FDDBC88E}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB705628-B25B-491B-A6BF-4A46FDDBC88E}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\ = "IIEHlprObj" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\TypeLib\ = "{AB705628-B25B-491B-A6BF-4A46FDDBC88E}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB705628-B25B-491B-A6BF-4A46FDDBC88E}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB705628-B25B-491B-A6BF-4A46FDDBC88E}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0b6feebcdd7181867cd22a466dd0a131dde15e53ea802f6cdd1a45308b80f40e.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB705628-B25B-491B-A6BF-4A46FDDBC88E}\1.0\ = "IEHelper 1.0 Type Library" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB705628-B25B-491B-A6BF-4A46FDDBC88E}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\ = "IIEHlprObj" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{AB705622-B25B-491B-A6BF-4A46FDDBC88E}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB705628-B25B-491B-A6BF-4A46FDDBC88E}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AB705622-B25B-491B-A6BF-4A46FDDBC88E}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB705628-B25B-491B-A6BF-4A46FDDBC88E}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AB705621-B25B-491B-A6BF-4A46FDDBC88E} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB705628-B25B-491B-A6BF-4A46FDDBC88E}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB705628-B25B-491B-A6BF-4A46FDDBC88E}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0b6feebcdd7181867cd22a466dd0a131dde15e53ea802f6cdd1a45308b80f40e.dll" regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3524 regsvr32.exe 3524 regsvr32.exe 3524 regsvr32.exe 3524 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4648 wrote to memory of 3524 4648 regsvr32.exe 79 PID 4648 wrote to memory of 3524 4648 regsvr32.exe 79 PID 4648 wrote to memory of 3524 4648 regsvr32.exe 79
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\0b6feebcdd7181867cd22a466dd0a131dde15e53ea802f6cdd1a45308b80f40e.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4648 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\0b6feebcdd7181867cd22a466dd0a131dde15e53ea802f6cdd1a45308b80f40e.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:3524
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