Analysis
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max time kernel
44s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
06-12-2022 16:58
Static task
static1
Behavioral task
behavioral1
Sample
b9d83d58118b6fe645ed8d8a5813ce1eac3540dbd4f38ee58a3b74e561258ff4.dll
Resource
win7-20220901-en
windows7-x64
3 signatures
150 seconds
General
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Target
b9d83d58118b6fe645ed8d8a5813ce1eac3540dbd4f38ee58a3b74e561258ff4.dll
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Size
601KB
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MD5
6fb4d7e15940a45adb93698f67d6d21b
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SHA1
48b39846455fd68c047a429ded84f81ffe7290c0
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SHA256
b9d83d58118b6fe645ed8d8a5813ce1eac3540dbd4f38ee58a3b74e561258ff4
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SHA512
77c3a3baa78820be9c9c643fdb1715764725171e5784501d9862079bdf9adbdb4014875d4432b6192fb0acbb699f04a6e259d99c54431968d9fb54fde0cdeaaa
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SSDEEP
12288:TwTloUAgRnvPLwUwtOUXjvjDJMXsnhTiXhgoO:cTO/SPcV4KvjDJAshT4
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\{18C0C293-D215-8310-9041-B32982D36A39} regsvr32.exe -
Modifies registry class 11 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18C0C293-D215-8310-9041-B32982D36A39}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18C0C293-D215-8310-9041-B32982D36A39}\ProgID\ = "b9d83d58118b6fe645ed8d8a5813ce1eac3540dbd4f38ee58a3b74e561258ff4.LoGiaRseHavii9" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18C0C293-D215-8310-9041-B32982D36A39}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\b9d83d58118b6fe645ed8d8a5813ce1eac3540dbd4f38ee58a3b74e561258ff4.LoGiaRseHavii9\Clsid\ = "{18C0C293-D215-8310-9041-B32982D36A39}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18C0C293-D215-8310-9041-B32982D36A39}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b9d83d58118b6fe645ed8d8a5813ce1eac3540dbd4f38ee58a3b74e561258ff4.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18C0C293-D215-8310-9041-B32982D36A39}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\b9d83d58118b6fe645ed8d8a5813ce1eac3540dbd4f38ee58a3b74e561258ff4.LoGiaRseHavii9 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\b9d83d58118b6fe645ed8d8a5813ce1eac3540dbd4f38ee58a3b74e561258ff4.LoGiaRseHavii9\ = "BioYhTesecCla" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\b9d83d58118b6fe645ed8d8a5813ce1eac3540dbd4f38ee58a3b74e561258ff4.LoGiaRseHavii9\Clsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18C0C293-D215-8310-9041-B32982D36A39} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18C0C293-D215-8310-9041-B32982D36A39}\ = "BioYhTesecCla" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1492 wrote to memory of 1748 1492 regsvr32.exe 27 PID 1492 wrote to memory of 1748 1492 regsvr32.exe 27 PID 1492 wrote to memory of 1748 1492 regsvr32.exe 27 PID 1492 wrote to memory of 1748 1492 regsvr32.exe 27 PID 1492 wrote to memory of 1748 1492 regsvr32.exe 27 PID 1492 wrote to memory of 1748 1492 regsvr32.exe 27 PID 1492 wrote to memory of 1748 1492 regsvr32.exe 27
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\b9d83d58118b6fe645ed8d8a5813ce1eac3540dbd4f38ee58a3b74e561258ff4.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1492 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\b9d83d58118b6fe645ed8d8a5813ce1eac3540dbd4f38ee58a3b74e561258ff4.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1748
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