Analysis
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max time kernel
150s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
09/03/2024, 19:30
Behavioral task
behavioral1
Sample
bc9d56c871b16780815a93ca00dd211f.exe
Resource
win7-20240221-en
windows7-x64
15 signatures
150 seconds
Behavioral task
behavioral2
Sample
bc9d56c871b16780815a93ca00dd211f.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
13 signatures
150 seconds
General
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Target
bc9d56c871b16780815a93ca00dd211f.exe
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Size
87KB
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MD5
bc9d56c871b16780815a93ca00dd211f
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SHA1
2b2c2b799db75206186913b9b13be22220d99e20
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SHA256
4a50af750a39828f6ff10a58636a6a594697e9ca4c00b64784dd5fe2b6fa07ce
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SHA512
4fd8eb0f6055ef6b5233095bebb1cc178f30babf44adb9e95479c162fde82848b4ff8a2439f616d6fde3f2bc1721a38522077ce395f9c506dbb0bed05a81bd27
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SSDEEP
1536:fsfXh6ZYfFyoNCoGEvBlfXyoBncIe+E9WQKzuHkN1MAarP0nnRshPdBteJzRnvf:EfXh6ZYfFyhEp1XyoBncIeeSHqnG0nQO
Score
7/10
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3004 TopGuide.exe -
Loads dropped DLL 8 IoCs
pid Process 2028 regsvr32.exe 1796 bc9d56c871b16780815a93ca00dd211f.exe 1796 bc9d56c871b16780815a93ca00dd211f.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 2592 regsvr32.exe -
resource yara_rule behavioral1/memory/1796-0-0x0000000000400000-0x000000000043F000-memory.dmp upx behavioral1/memory/1796-23-0x0000000000400000-0x000000000043F000-memory.dmp upx behavioral1/memory/1796-36-0x0000000000400000-0x000000000043F000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\TopGuide = "C:\\Program Files (x86)\\TopGuide\\TopGuide.exe" TopGuide.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Installs/modifies Browser Helper Object 2 TTPs 3 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\{1ED65C88-1259-484B-A9FA-6731E0D15743} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{1ED65C88-1259-484B-A9FA-6731E0D15743} regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{1ED65C88-1259-484B-A9FA-6731E0D15743} regsvr32.exe -
Drops file in Program Files directory 4 IoCs
description ioc Process File created C:\Program Files (x86)\TopGuide\TopGuide.exe bc9d56c871b16780815a93ca00dd211f.exe File created C:\Program Files (x86)\TopGuide\TopGuide.dll bc9d56c871b16780815a93ca00dd211f.exe File created C:\Program Files (x86)\TopGuide\adc.dll bc9d56c871b16780815a93ca00dd211f.exe File created C:\Program Files (x86)\TopGuide\uninstall.exe bc9d56c871b16780815a93ca00dd211f.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\SearchScopes\{D94DCC35-A105-4A97-A957-FB7D54BB3612}\CodePage = "949" bc9d56c871b16780815a93ca00dd211f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\SearchScopes\{D94DCC35-A105-4A97-A957-FB7D54BB3612}\ = "¾ßÈÄ" bc9d56c871b16780815a93ca00dd211f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\SearchScopes\{D94DCC35-A105-4A97-A957-FB7D54BB3612}\URL = "http://info-way.kr/addPages/?id=TG25&k={searchTerms}" bc9d56c871b16780815a93ca00dd211f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\SearchScopes\DefaultScope = "{D94DCC35-A105-4A97-A957-FB7D54BB3612}" bc9d56c871b16780815a93ca00dd211f.exe Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\SearchScopes\{D94DCC35-A105-4A97-A957-FB7D54BB3612} bc9d56c871b16780815a93ca00dd211f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\SearchScopes\{D94DCC35-A105-4A97-A957-FB7D54BB3612}\ = "Yahoo" bc9d56c871b16780815a93ca00dd211f.exe -
Modifies registry class 64 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TopGuide.TopGuideCtl.1\CLSID\ = "{1ED65C88-1259-484B-A9FA-6731E0D15743}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7D1AFD44-BEA6-48BD-8872-21940D385C3B}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4BA72FD4-FEEC-4DEE-9504-5C13E4C9866C}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4BA72FD4-FEEC-4DEE-9504-5C13E4C9866C}\TypeLib\ = "{7D1AFD44-BEA6-48BD-8872-21940D385C3B}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4BA72FD4-FEEC-4DEE-9504-5C13E4C9866C} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TopGuide.TopGuideCtl.1\ = "TopGuideCtl Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TopGuide.TopGuideCtl\ = "TopGuideCtl Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TopGuide.TopGuideCtl\CurVer regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7D1AFD44-BEA6-48BD-8872-21940D385C3B}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4BA72FD4-FEEC-4DEE-9504-5C13E4C9866C}\ = "ITopGuideCtl" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7D1AFD44-BEA6-48BD-8872-21940D385C3B}\1.0\ = "TopGuide 1.0 Type Library" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TopGuide.TopGuideCtl\CLSID\ = "{1ED65C88-1259-484B-A9FA-6731E0D15743}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743}\ProgID\ = "TopGuide.TopGuideCtl.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743}\InprocServer32\ = "C:\\Program Files (x86)\\TopGuide\\TopGuide.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4BA72FD4-FEEC-4DEE-9504-5C13E4C9866C}\ = "ITopGuideCtl" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743}\ = "TopGuide" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TopGuide.TopGuideCtl.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743}\VersionIndependentProgID\ = "TopGuide.TopGuideCtl" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743}\TypeLib\ = "{7D1AFD44-BEA6-48BD-8872-21940D385C3B}" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743}\InprocServer32\ = "C:\\Program Files (x86)\\TopGuide\\TopGuide.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743}\ = "TopGuide" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7D1AFD44-BEA6-48BD-8872-21940D385C3B}\1.0\0\win32\ = "C:\\Program Files (x86)\\TopGuide\\TopGuide.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4BA72FD4-FEEC-4DEE-9504-5C13E4C9866C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4BA72FD4-FEEC-4DEE-9504-5C13E4C9866C} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TopGuide.TopGuideCtl.1\ = "TopGuideCtl Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TopGuide.TopGuideCtl\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TopGuide.TopGuideCtl\CurVer\ = "TopGuide.TopGuideCtl.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4BA72FD4-FEEC-4DEE-9504-5C13E4C9866C}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4BA72FD4-FEEC-4DEE-9504-5C13E4C9866C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4BA72FD4-FEEC-4DEE-9504-5C13E4C9866C}\TypeLib\ = "{7D1AFD44-BEA6-48BD-8872-21940D385C3B}" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743}\ProgID\ = "TopGuide.TopGuideCtl.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TopGuide.TopGuideCtl\CLSID\ = "{1ED65C88-1259-484B-A9FA-6731E0D15743}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4BA72FD4-FEEC-4DEE-9504-5C13E4C9866C}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743}\VersionIndependentProgID\ = "TopGuide.TopGuideCtl" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7D1AFD44-BEA6-48BD-8872-21940D385C3B}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7D1AFD44-BEA6-48BD-8872-21940D385C3B}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\TopGuide\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4BA72FD4-FEEC-4DEE-9504-5C13E4C9866C}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TopGuide.TopGuideCtl\ = "TopGuideCtl Class" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743}\TypeLib\ = "{7D1AFD44-BEA6-48BD-8872-21940D385C3B}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TopGuide.TopGuideCtl.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4BA72FD4-FEEC-4DEE-9504-5C13E4C9866C}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TopGuide.TopGuideCtl.1\CLSID\ = "{1ED65C88-1259-484B-A9FA-6731E0D15743}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1ED65C88-1259-484B-A9FA-6731E0D15743}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TopGuide.TopGuideCtl regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7D1AFD44-BEA6-48BD-8872-21940D385C3B} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7D1AFD44-BEA6-48BD-8872-21940D385C3B}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4BA72FD4-FEEC-4DEE-9504-5C13E4C9866C}\TypeLib\Version = "1.0" regsvr32.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 bc9d56c871b16780815a93ca00dd211f.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 bc9d56c871b16780815a93ca00dd211f.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1796 bc9d56c871b16780815a93ca00dd211f.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeRestorePrivilege 1796 bc9d56c871b16780815a93ca00dd211f.exe Token: SeBackupPrivilege 1796 bc9d56c871b16780815a93ca00dd211f.exe -
Suspicious use of SetWindowsHookEx 64 IoCs
pid Process 1796 bc9d56c871b16780815a93ca00dd211f.exe 1796 bc9d56c871b16780815a93ca00dd211f.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe 3004 TopGuide.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 1796 wrote to memory of 2028 1796 bc9d56c871b16780815a93ca00dd211f.exe 28 PID 1796 wrote to memory of 2028 1796 bc9d56c871b16780815a93ca00dd211f.exe 28 PID 1796 wrote to memory of 2028 1796 bc9d56c871b16780815a93ca00dd211f.exe 28 PID 1796 wrote to memory of 2028 1796 bc9d56c871b16780815a93ca00dd211f.exe 28 PID 1796 wrote to memory of 2028 1796 bc9d56c871b16780815a93ca00dd211f.exe 28 PID 1796 wrote to memory of 2028 1796 bc9d56c871b16780815a93ca00dd211f.exe 28 PID 1796 wrote to memory of 2028 1796 bc9d56c871b16780815a93ca00dd211f.exe 28 PID 1796 wrote to memory of 3004 1796 bc9d56c871b16780815a93ca00dd211f.exe 29 PID 1796 wrote to memory of 3004 1796 bc9d56c871b16780815a93ca00dd211f.exe 29 PID 1796 wrote to memory of 3004 1796 bc9d56c871b16780815a93ca00dd211f.exe 29 PID 1796 wrote to memory of 3004 1796 bc9d56c871b16780815a93ca00dd211f.exe 29 PID 1796 wrote to memory of 3004 1796 bc9d56c871b16780815a93ca00dd211f.exe 29 PID 1796 wrote to memory of 3004 1796 bc9d56c871b16780815a93ca00dd211f.exe 29 PID 1796 wrote to memory of 3004 1796 bc9d56c871b16780815a93ca00dd211f.exe 29 PID 3004 wrote to memory of 2592 3004 TopGuide.exe 30 PID 3004 wrote to memory of 2592 3004 TopGuide.exe 30 PID 3004 wrote to memory of 2592 3004 TopGuide.exe 30 PID 3004 wrote to memory of 2592 3004 TopGuide.exe 30 PID 3004 wrote to memory of 2592 3004 TopGuide.exe 30 PID 3004 wrote to memory of 2592 3004 TopGuide.exe 30 PID 3004 wrote to memory of 2592 3004 TopGuide.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\bc9d56c871b16780815a93ca00dd211f.exe"C:\Users\Admin\AppData\Local\Temp\bc9d56c871b16780815a93ca00dd211f.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1796 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32 /s "C:\Program Files (x86)\TopGuide\TopGuide.dll"2⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2028
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C:\Program Files (x86)\TopGuide\TopGuide.exe"C:\Program Files (x86)\TopGuide\TopGuide.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3004 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32 /s "C:\Program Files (x86)\TopGuide\TopGuide.dll"3⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2592
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Browser Extensions
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
105KB
MD5af91dc5eb2f1600a2acce03de4db8161
SHA13dc31ecc6ab4111d6f265c5a5700091449ae9df4
SHA2560c1113cec21ed5a03fdd50f4602c362a161c55e4681788328624c296e49a70a5
SHA51267f563095432601fddfc181c1fe1b020463c77148f59c8ea9bfade4b9e3392b1b1906b9603a10041d17c75f24265a5a9aa87ce6cda1d64ae356abba69519b3f2
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Filesize
23KB
MD533d7115901c7382d911c5e5f28d95850
SHA1e6b5b513626a1afd7285a1a3648912d54e819128
SHA256b6af553defd463dd7d63b3c65b27d81a1ec5bb325cdaf57d3d42792e8d0dd361
SHA512d5f697dad1c37b7b9d1ea30bd400f1900046fedc1c5ea4b9dea9646ea94f43ec81d3dad6f97f8ab2ab97c2804a939f72f903efae4b1e3e6f45b970bf5bf0eeed
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Filesize
45KB
MD597a66539f4cdf6f5970d4f3ab62e7157
SHA132dca1cbc2a1729dae1fba9b66d7221ed8b0b6a2
SHA256d8fd95ab37afabedcd5d6a76785897b70770644ed3ab8a2b274dfd6ed971ea12
SHA5121857d4829bc758b49a4ba7c2e5bf16b7d07c6eebde561829c4a2f850f50399da5ba68026c5ae19332af023117b750abfa39d05b844c2131c4479cdac387b8abe