Analysis
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max time kernel
140s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
02/02/2024, 21:59
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
VirusShare-000605d7cbb3928b07f8e7473c820f4c.dll
Resource
win7-20231215-en
3 signatures
150 seconds
General
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Target
VirusShare-000605d7cbb3928b07f8e7473c820f4c.dll
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Size
610KB
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MD5
000605d7cbb3928b07f8e7473c820f4c
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SHA1
52ca1593477b8f8202433f5af7befda988742d0b
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SHA256
32769d406d519a002aa0e8c7a410cf029d6ff567a47f549e95d6011c22cc9dda
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SHA512
4c944a7d8043c347bc0260c799159471ec9f568273c44ec27c1e27516cfb45833ffa6392ad0bede2177491b1b6e239f1247927105f45c55fdf3d8e265dce5ad6
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SSDEEP
12288:JyA1ZdqVfv/6HftOIA3+00wstpSdCi3TLdLOGLFEI2r/VBwBxHeIBv7pj:Z1fqZCHwIr00taCiHp/+I0/UVeIBT
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\{CC01FC6C-A41B-D46D-876C-52A9A89BA855} regsvr32.exe -
Modifies registry class 11 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-A41B-D46D-876C-52A9A89BA855}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\VirusShare-000605d7cbb3928b07f8e7473c820f4c.sb\Clsid\ = "{CC01FC6C-A41B-D46D-876C-52A9A89BA855}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-A41B-D46D-876C-52A9A89BA855}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-A41B-D46D-876C-52A9A89BA855} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-A41B-D46D-876C-52A9A89BA855}\ = "sb" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\VirusShare-000605d7cbb3928b07f8e7473c820f4c.sb regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\VirusShare-000605d7cbb3928b07f8e7473c820f4c.sb\ = "sb" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\VirusShare-000605d7cbb3928b07f8e7473c820f4c.sb\Clsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-A41B-D46D-876C-52A9A89BA855}\ProgID\ = "VirusShare-000605d7cbb3928b07f8e7473c820f4c.sb" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-A41B-D46D-876C-52A9A89BA855}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-A41B-D46D-876C-52A9A89BA855}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\VirusShare-000605d7cbb3928b07f8e7473c820f4c.dll" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1944 wrote to memory of 3496 1944 regsvr32.exe 84 PID 1944 wrote to memory of 3496 1944 regsvr32.exe 84 PID 1944 wrote to memory of 3496 1944 regsvr32.exe 84
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\VirusShare-000605d7cbb3928b07f8e7473c820f4c.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\VirusShare-000605d7cbb3928b07f8e7473c820f4c.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:3496
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