Analysis
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max time kernel
93s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
04/02/2024, 16:41
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
8fa5b99de362abd7dd2c91ad486b1a52.dll
Resource
win7-20231215-en
3 signatures
150 seconds
General
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Target
8fa5b99de362abd7dd2c91ad486b1a52.dll
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Size
300KB
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MD5
8fa5b99de362abd7dd2c91ad486b1a52
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SHA1
5ddfbbaab5e7a6d568cf5daf37a4bd1c0bcf30e5
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SHA256
92b6a668e056129c8390a74c1ea5fa1e3eb0ddfac2334057e8df77acaaae4270
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SHA512
949ea0aeac8e401adba4265a61d79a798d8109b2b54524976648558f82a55d051e6c246d379a94760eb0ef79ea3114ad59c9f78c9696d6895ab5c1533d566f04
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SSDEEP
3072:1pyrhBuvPVk+2Z9a9qO/6kFaL5EUKGU1AxpxaTlnOv4SVnKNY0t/WHCZ6:+iVk+/99/6uatEw1DqnknXuWHCZ
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\{C396242E-B6B6-4B05-A755-72938F31ACB0} regsvr32.exe -
Modifies registry class 50 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C396242E-B6B6-4B05-A755-72938F31ACB0}\VersionIndependentProgID\ = "QXK.Olive" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{13326A44-BD50-43DE-A488-017D62069762} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8D079E66-20DB-43CA-944A-1D2DD027B351}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C396242E-B6B6-4B05-A755-72938F31ACB0}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C396242E-B6B6-4B05-A755-72938F31ACB0}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C396242E-B6B6-4B05-A755-72938F31ACB0}\ProgID\ = "QXK.Olive" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C396242E-B6B6-4B05-A755-72938F31ACB0}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8fa5b99de362abd7dd2c91ad486b1a52.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8D079E66-20DB-43CA-944A-1D2DD027B351}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{13326A44-BD50-43DE-A488-017D62069762}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{13326A44-BD50-43DE-A488-017D62069762}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8D079E66-20DB-43CA-944A-1D2DD027B351}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8D079E66-20DB-43CA-944A-1D2DD027B351}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8D079E66-20DB-43CA-944A-1D2DD027B351}\ = "Iadmr" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2E79CD45-1F7D-434B-B48D-4B8FCD60E055}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2E79CD45-1F7D-434B-B48D-4B8FCD60E055}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{13326A44-BD50-43DE-A488-017D62069762}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8D079E66-20DB-43CA-944A-1D2DD027B351} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8D079E66-20DB-43CA-944A-1D2DD027B351} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C396242E-B6B6-4B05-A755-72938F31ACB0} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C396242E-B6B6-4B05-A755-72938F31ACB0}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2E79CD45-1F7D-434B-B48D-4B8FCD60E055}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{13326A44-BD50-43DE-A488-017D62069762}\TypeLib\ = "{2E79CD45-1F7D-434B-B48D-4B8FCD60E055}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8D079E66-20DB-43CA-944A-1D2DD027B351}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8D079E66-20DB-43CA-944A-1D2DD027B351}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2E79CD45-1F7D-434B-B48D-4B8FCD60E055}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8fa5b99de362abd7dd2c91ad486b1a52.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{13326A44-BD50-43DE-A488-017D62069762}\ = "_IadmrEvents" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8D079E66-20DB-43CA-944A-1D2DD027B351}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8D079E66-20DB-43CA-944A-1D2DD027B351}\TypeLib\ = "{2E79CD45-1F7D-434B-B48D-4B8FCD60E055}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8D079E66-20DB-43CA-944A-1D2DD027B351}\TypeLib\ = "{2E79CD45-1F7D-434B-B48D-4B8FCD60E055}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C396242E-B6B6-4B05-A755-72938F31ACB0}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2E79CD45-1F7D-434B-B48D-4B8FCD60E055} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2E79CD45-1F7D-434B-B48D-4B8FCD60E055}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{13326A44-BD50-43DE-A488-017D62069762}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{13326A44-BD50-43DE-A488-017D62069762}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C396242E-B6B6-4B05-A755-72938F31ACB0}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2E79CD45-1F7D-434B-B48D-4B8FCD60E055}\1.0\HELPDIR\ regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{13326A44-BD50-43DE-A488-017D62069762}\ = "_IadmrEvents" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C396242E-B6B6-4B05-A755-72938F31ACB0}\ = "QXK Olive" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{13326A44-BD50-43DE-A488-017D62069762}\TypeLib\ = "{2E79CD45-1F7D-434B-B48D-4B8FCD60E055}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{13326A44-BD50-43DE-A488-017D62069762}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8D079E66-20DB-43CA-944A-1D2DD027B351}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C396242E-B6B6-4B05-A755-72938F31ACB0}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2E79CD45-1F7D-434B-B48D-4B8FCD60E055}\1.0\ = "admr TL" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{13326A44-BD50-43DE-A488-017D62069762}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{13326A44-BD50-43DE-A488-017D62069762}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8D079E66-20DB-43CA-944A-1D2DD027B351}\ = "Iadmr" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C396242E-B6B6-4B05-A755-72938F31ACB0}\TypeLib\ = "{2E79CD45-1F7D-434B-B48D-4B8FCD60E055}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2E79CD45-1F7D-434B-B48D-4B8FCD60E055}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{13326A44-BD50-43DE-A488-017D62069762} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2E79CD45-1F7D-434B-B48D-4B8FCD60E055}\1.0\0\win32 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2116 wrote to memory of 4324 2116 regsvr32.exe 84 PID 2116 wrote to memory of 4324 2116 regsvr32.exe 84 PID 2116 wrote to memory of 4324 2116 regsvr32.exe 84
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\8fa5b99de362abd7dd2c91ad486b1a52.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2116 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\8fa5b99de362abd7dd2c91ad486b1a52.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:4324
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