Analysis
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max time kernel
96s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
20/07/2024, 19:03
Static task
static1
Behavioral task
behavioral1
Sample
fef57595e1699c918979688c32d25af0N.exe
Resource
win7-20240704-en
windows7-x64
7 signatures
120 seconds
General
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Target
fef57595e1699c918979688c32d25af0N.exe
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Size
3.7MB
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MD5
fef57595e1699c918979688c32d25af0
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SHA1
468a894335f4e484edaec9133a2540fc0573886c
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SHA256
401cfb858351f2142fdd24615bf750c0f2120acff0fc7cb4c0837c185c895164
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SHA512
1c2bec7ff94d71aac2202408adf8b7a2cb844015c073b9ffd2fbc90e2f2699531510c4666d175a1cadd1a69c505fa128dd808f6b0d0ac4ec92b4d8254412a41b
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SSDEEP
98304:OHGrsL6q2+hbmrekdTr1dNxCkHgcPQ2tXb8Td:Omrsb2+xmKE6+ghW+
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 8 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{0055C089-8582-441B-A0BF-17B458C2A3A8}\ = "IDM Helper" fef57595e1699c918979688c32d25af0N.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{0055C089-8582-441B-A0BF-17B458C2A3A8}\NoExplorer = "1" fef57595e1699c918979688c32d25af0N.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects fef57595e1699c918979688c32d25af0N.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0055C089-8582-441B-A0BF-17B458C2A3A8} fef57595e1699c918979688c32d25af0N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0055C089-8582-441B-A0BF-17B458C2A3A8}\ = "IDM Helper" fef57595e1699c918979688c32d25af0N.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0055C089-8582-441B-A0BF-17B458C2A3A8}\NoExplorer = "1" fef57595e1699c918979688c32d25af0N.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects fef57595e1699c918979688c32d25af0N.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{0055C089-8582-441B-A0BF-17B458C2A3A8} fef57595e1699c918979688c32d25af0N.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy fef57595e1699c918979688c32d25af0N.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Low Rights\DragDrop\{19129CDA-AFC0-4330-99BC-C5A834F89006} fef57595e1699c918979688c32d25af0N.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{E0DACC63-037F-46EE-AC02-E4C7B0FBFEB4} fef57595e1699c918979688c32d25af0N.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{E0DACC63-037F-46EE-AC02-E4C7B0FBFEB4}\AppPath = "C:\\Users\\Admin\\AppData\\Local\\Temp" fef57595e1699c918979688c32d25af0N.exe Set value (int) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{E0DACC63-037F-46EE-AC02-E4C7B0FBFEB4}\Policy = "3" fef57595e1699c918979688c32d25af0N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\DownloadUI = "{7D11E719-FF90-479C-B0D7-96EB43EE55D7}" fef57595e1699c918979688c32d25af0N.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\MenuExt\Download with IDM fef57595e1699c918979688c32d25af0N.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{1902485B-CE75-42C1-BA2D-57E660793D9A}\AppName = "IEMonitor.exe" fef57595e1699c918979688c32d25af0N.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Low Rights\DragDrop fef57595e1699c918979688c32d25af0N.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\MenuExt\Download all links with IDM fef57595e1699c918979688c32d25af0N.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{1902485B-CE75-42C1-BA2D-57E660793D9A}\AppPath = "C:\\Users\\Admin\\AppData\\Local\\Temp" fef57595e1699c918979688c32d25af0N.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel fef57595e1699c918979688c32d25af0N.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\MenuExt\Download all links with IDM\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\IEGetAll.htm" fef57595e1699c918979688c32d25af0N.exe Set value (int) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\MenuExt\Download all links with IDM\contexts = "243" fef57595e1699c918979688c32d25af0N.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\MenuExt\Download with IDM\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\IEExt.htm" fef57595e1699c918979688c32d25af0N.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Low Rights fef57595e1699c918979688c32d25af0N.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{E0DACC63-037F-46EE-AC02-E4C7B0FBFEB4}\AppName = "fef57595e1699c918979688c32d25af0N.exe" fef57595e1699c918979688c32d25af0N.exe Set value (int) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{1902485B-CE75-42C1-BA2D-57E660793D9A}\Policy = "3" fef57595e1699c918979688c32d25af0N.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Low Rights\DragDrop\{19129CDA-AFC0-4330-99BC-C5A834F89006}\AppName = "fef57595e1699c918979688c32d25af0N.exe" fef57595e1699c918979688c32d25af0N.exe Set value (int) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Low Rights\DragDrop\{19129CDA-AFC0-4330-99BC-C5A834F89006}\Policy = "3" fef57595e1699c918979688c32d25af0N.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\DownloadUI = "{7D11E719-FF90-479C-B0D7-96EB43EE55D7}" fef57595e1699c918979688c32d25af0N.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote fef57595e1699c918979688c32d25af0N.exe Set value (int) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\MenuExt\Download with IDM\contexts = "243" fef57595e1699c918979688c32d25af0N.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{1902485B-CE75-42C1-BA2D-57E660793D9A} fef57595e1699c918979688c32d25af0N.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Low Rights\DragDrop\{19129CDA-AFC0-4330-99BC-C5A834F89006}\AppPath = "C:\\Users\\Admin\\AppData\\Local\\Temp" fef57595e1699c918979688c32d25af0N.exe -
Modifies registry class 12 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}\ = "IDMan.CIDMLinkTransmitter" fef57595e1699c918979688c32d25af0N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}\AppID = "{AC746233-E9D3-49CD-862F-068F7B7CCCA4}" fef57595e1699c918979688c32d25af0N.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}\LocalServer32 fef57595e1699c918979688c32d25af0N.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4} fef57595e1699c918979688c32d25af0N.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IDMan.CIDMLinkTransmitter\CLSID fef57595e1699c918979688c32d25af0N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IDMan.CIDMLinkTransmitter\CLSID\ = "{AC746233-E9D3-49CD-862F-068F7B7CCCA4}" fef57595e1699c918979688c32d25af0N.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4} fef57595e1699c918979688c32d25af0N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fef57595e1699c918979688c32d25af0N.exe" fef57595e1699c918979688c32d25af0N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}\ = "IDMan" fef57595e1699c918979688c32d25af0N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}\RunAs = "Interactive User" fef57595e1699c918979688c32d25af0N.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}\ROTFlags = "1" fef57595e1699c918979688c32d25af0N.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IDMan.CIDMLinkTransmitter fef57595e1699c918979688c32d25af0N.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2556 fef57595e1699c918979688c32d25af0N.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeRestorePrivilege 2556 fef57595e1699c918979688c32d25af0N.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2556 fef57595e1699c918979688c32d25af0N.exe 2556 fef57595e1699c918979688c32d25af0N.exe 2556 fef57595e1699c918979688c32d25af0N.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fef57595e1699c918979688c32d25af0N.exe"C:\Users\Admin\AppData\Local\Temp\fef57595e1699c918979688c32d25af0N.exe"1⤵
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2556