Analysis
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max time kernel
142s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2024 17:29
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
75187da35813a4f12d2ad8db0c847300.dll
Resource
win7-20231215-en
windows7-x64
3 signatures
150 seconds
General
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Target
75187da35813a4f12d2ad8db0c847300.dll
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Size
142KB
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MD5
75187da35813a4f12d2ad8db0c847300
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SHA1
b6f990b84e994ae042ba649c5987a1a2f3b9436b
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SHA256
1169084106989c362b8333d552e4464016d0c102a8ee0356ae9ea45f5402dbcb
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SHA512
881a6dfb6767af32aaf52d230e40a5c2d8a72591d43dfe601084254b13b985843175562c9ddfd0a057a391d98620e54bb6802e956afda5bdf41ce360ed0fc1a6
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SSDEEP
1536:wA2D7PJjH/9Fa9i7uDxJU4exSVhqZ2dCcN2Zy1nnoN6dB507GpNJjUa:c7RHWV97hm28jy5oN6dB5RTJZ
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 3 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
Processes:
regsvr32.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{56E4076B-A42B-4745-BA35-34DA8AC4C2F2} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{56E4076B-A42B-4745-BA35-34DA8AC4C2F2}\ = "EpicPlay Games" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{56E4076B-A42B-4745-BA35-34DA8AC4C2F2}\NoExplorer = "1" regsvr32.exe -
Modifies registry class 60 IoCs
Processes:
regsvr32.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\EpicPlay.TextLinks.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\EpicPlay.TextLinks.1\ = "EpicPlay Games" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\EpicPlay.TextLinks\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B351B62C-A449-4E8B-9A81-9FEB79C24384} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{381F1945-55BB-4760-9050-726888B22C0F}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{56E4076B-A42B-4745-BA35-34DA8AC4C2F2}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\75187da35813a4f12d2ad8db0c847300.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7D5716DC-76B4-4421-908C-12A6E587F1C3}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7D5716DC-76B4-4421-908C-12A6E587F1C3}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B351B62C-A449-4E8B-9A81-9FEB79C24384}\ = "_ITextLinksEvents" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B351B62C-A449-4E8B-9A81-9FEB79C24384}\TypeLib\ = "{7D5716DC-76B4-4421-908C-12A6E587F1C3}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B351B62C-A449-4E8B-9A81-9FEB79C24384}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{381F1945-55BB-4760-9050-726888B22C0F} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\EpicPlay.TextLinks.1\CLSID\ = "{56E4076B-A42B-4745-BA35-34DA8AC4C2F2}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\EpicPlay.TextLinks\ = "EpicPlay Games" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{381F1945-55BB-4760-9050-726888B22C0F}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\EpicPlay.TextLinks.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\EpicPlay.TextLinks\CLSID\ = "{56E4076B-A42B-4745-BA35-34DA8AC4C2F2}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{56E4076B-A42B-4745-BA35-34DA8AC4C2F2}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7D5716DC-76B4-4421-908C-12A6E587F1C3}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7D5716DC-76B4-4421-908C-12A6E587F1C3}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\75187da35813a4f12d2ad8db0c847300.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B351B62C-A449-4E8B-9A81-9FEB79C24384}\ = "_ITextLinksEvents" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B351B62C-A449-4E8B-9A81-9FEB79C24384}\TypeLib\ = "{7D5716DC-76B4-4421-908C-12A6E587F1C3}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{56E4076B-A42B-4745-BA35-34DA8AC4C2F2}\ProgID\ = "EpicPlay.TextLinks.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{381F1945-55BB-4760-9050-726888B22C0F}\ = "ITextLinks" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\EpicPlay.TextLinks regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{56E4076B-A42B-4745-BA35-34DA8AC4C2F2}\VersionIndependentProgID\ = "EpicPlay.TextLinks" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{56E4076B-A42B-4745-BA35-34DA8AC4C2F2}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B351B62C-A449-4E8B-9A81-9FEB79C24384}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{56E4076B-A42B-4745-BA35-34DA8AC4C2F2}\ = "EpicPlay Games" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{56E4076B-A42B-4745-BA35-34DA8AC4C2F2}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7D5716DC-76B4-4421-908C-12A6E587F1C3}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7D5716DC-76B4-4421-908C-12A6E587F1C3}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7D5716DC-76B4-4421-908C-12A6E587F1C3}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B351B62C-A449-4E8B-9A81-9FEB79C24384}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B351B62C-A449-4E8B-9A81-9FEB79C24384}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7D5716DC-76B4-4421-908C-12A6E587F1C3} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{381F1945-55BB-4760-9050-726888B22C0F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{381F1945-55BB-4760-9050-726888B22C0F}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\EpicPlay.TextLinks\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\EpicPlay.TextLinks\CurVer\ = "EpicPlay.TextLinks.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{56E4076B-A42B-4745-BA35-34DA8AC4C2F2} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{381F1945-55BB-4760-9050-726888B22C0F}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{381F1945-55BB-4760-9050-726888B22C0F}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B351B62C-A449-4E8B-9A81-9FEB79C24384} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B351B62C-A449-4E8B-9A81-9FEB79C24384}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B351B62C-A449-4E8B-9A81-9FEB79C24384}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{381F1945-55BB-4760-9050-726888B22C0F}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{56E4076B-A42B-4745-BA35-34DA8AC4C2F2}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{381F1945-55BB-4760-9050-726888B22C0F} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{381F1945-55BB-4760-9050-726888B22C0F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B351B62C-A449-4E8B-9A81-9FEB79C24384}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{381F1945-55BB-4760-9050-726888B22C0F}\ = "ITextLinks" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{56E4076B-A42B-4745-BA35-34DA8AC4C2F2}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{56E4076B-A42B-4745-BA35-34DA8AC4C2F2}\TypeLib\ = "{7D5716DC-76B4-4421-908C-12A6E587F1C3}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B351B62C-A449-4E8B-9A81-9FEB79C24384}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{381F1945-55BB-4760-9050-726888B22C0F}\TypeLib\ = "{7D5716DC-76B4-4421-908C-12A6E587F1C3}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{56E4076B-A42B-4745-BA35-34DA8AC4C2F2}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7D5716DC-76B4-4421-908C-12A6E587F1C3}\1.0\ = "EPlay 1.0 Type Library" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7D5716DC-76B4-4421-908C-12A6E587F1C3}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{381F1945-55BB-4760-9050-726888B22C0F}\TypeLib\ = "{7D5716DC-76B4-4421-908C-12A6E587F1C3}" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
regsvr32.exedescription pid Process procid_target PID 2724 wrote to memory of 4948 2724 regsvr32.exe 85 PID 2724 wrote to memory of 4948 2724 regsvr32.exe 85 PID 2724 wrote to memory of 4948 2724 regsvr32.exe 85
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\75187da35813a4f12d2ad8db0c847300.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2724 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\75187da35813a4f12d2ad8db0c847300.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:4948
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