5e8b94ddfbf41321f4192295a6054b04b2b42cc09f44f822ceb915b255a43122

Analysis

max time kernel
113s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2023, 13:52

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General

Target

vcredist_x86.exe
Size

2.6MB
MD5

1f8e9fec647700b21d45e6cda97c39b7
SHA1

037288ee51553f84498ae4873c357d367d1a3667
SHA256

9c110c0426f4e75f4384a527f0abe2232fe71f2968eb91278b16b200537d3161
SHA512

42f6ca3456951f3e85024444e513f424add6eda9f4807bf84c91dc8ccb623be6a8e83dc40a8b6a1bc2c6fd080f2c51b719ead1422e9d1c1079795ec70953a1ad
SSDEEP

49152:IJFEcHcHfnIpvSUxuB4vkjfCSfil3ObWcrJhxSkm6Fo4Ea0g/I2Pz7citcU7tmLq:S2c8gfd87CQgu9xNpW4t/Ic7csd7t0q

Score

7^/10

persistence

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
2568	MsiExec.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	vcredist_x86.exe

Enumerates connected drives 3 TTPs 46 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Common Files\Microsoft Shared\VC\msdia80.dll	msiexec.exe

Drops file in Windows directory 57 IoCs

description	ioc	Process
File created	C:\Windows\WinSxS\InstallTemp\20231107190549348.0\8.0.50727.762.policy	msiexec.exe
File opened for modification	C:\Windows\WinSxS\InstallTemp\20231107190548692.0	msiexec.exe
File opened for modification	C:\Windows\Installer\e591f56.msi	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190548692.0\mfc80.dll	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190548973.0\mfc80DEU.dll	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190548973.0\mfc80FRA.dll	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190549254.0\8.0.50727.762.cat	msiexec.exe
File opened for modification	C:\Windows\WinSxS\InstallTemp\20231107190549317.0	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190548973.0\mfc80KOR.dll	msiexec.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190548973.0\mfc80ITA.dll	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190548973.0\x86_Microsoft.VC80.MFCLOC_1fc8b3b9a1e18e3b_8.0.50727.762_x-ww_91481303.manifest	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190549348.0\8.0.50727.762.cat	msiexec.exe
File opened for modification	C:\Windows\WinSxS\InstallTemp\20231107190548473.0	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190548426.0\ATL80.dll	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190548473.0\x86_Microsoft.VC80.CRT_1fc8b3b9a1e18e3b_8.0.50727.762_x-ww_6b128700.cat	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190548692.0\x86_Microsoft.VC80.MFC_1fc8b3b9a1e18e3b_8.0.50727.762_x-ww_3bf8fa05.manifest	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190549208.0\vcomp.dll	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190548473.0\x86_Microsoft.VC80.CRT_1fc8b3b9a1e18e3b_8.0.50727.762_x-ww_6b128700.manifest	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190549317.0\8.0.50727.762.cat	msiexec.exe
File opened for modification	C:\Windows\WinSxS\InstallTemp\20231107190548426.0	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190548692.0\mfcm80.dll	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190549254.0\8.0.50727.762.policy	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190548973.0\x86_Microsoft.VC80.MFCLOC_1fc8b3b9a1e18e3b_8.0.50727.762_x-ww_91481303.cat	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190548973.0\mfc80ESP.dll	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190549286.0\8.0.50727.762.cat	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI235D.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI31D5.tmp	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190548473.0\msvcr80.dll	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190548692.0\x86_Microsoft.VC80.MFC_1fc8b3b9a1e18e3b_8.0.50727.762_x-ww_3bf8fa05.cat	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190548692.0\mfc80u.dll	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190548973.0\mfc80CHT.dll	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190549286.0\8.0.50727.762.policy	msiexec.exe
File opened for modification	C:\Windows\WinSxS\InstallTemp\20231107190549254.0	msiexec.exe
File created	C:\Windows\Installer\e591f56.msi	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190548692.0\mfcm80u.dll	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190549332.0\8.0.50727.762.policy	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190548473.0\msvcm80.dll	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190548973.0\mfc80CHS.dll	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190548973.0\mfc80ENU.dll	msiexec.exe
File opened for modification	C:\Windows\WinSxS\InstallTemp\20231107190549208.0	msiexec.exe
File created	C:\Windows\Installer\SourceHash{7299052b-02a4-4627-81f2-1818da5d550d}	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190548973.0\mfc80JPN.dll	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190549208.0\x86_Microsoft.VC80.OpenMP_1fc8b3b9a1e18e3b_8.0.50727.762_x-ww_6c18549a.manifest	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190549317.0\8.0.50727.762.policy	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190549332.0\8.0.50727.762.cat	msiexec.exe
File created	C:\Windows\Installer\e591f5a.msi	msiexec.exe
File opened for modification	C:\Windows\WinSxS\InstallTemp\20231107190549348.0	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190548426.0\x86_Microsoft.VC80.ATL_1fc8b3b9a1e18e3b_8.0.50727.762_x-ww_cbb27474.cat	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190549208.0\x86_Microsoft.VC80.OpenMP_1fc8b3b9a1e18e3b_8.0.50727.762_x-ww_6c18549a.cat	msiexec.exe
File opened for modification	C:\Windows\WinSxS\InstallTemp\20231107190548973.0	msiexec.exe
File opened for modification	C:\Windows\WinSxS\InstallTemp\20231107190549332.0	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190548426.0\x86_Microsoft.VC80.ATL_1fc8b3b9a1e18e3b_8.0.50727.762_x-ww_cbb27474.manifest	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20231107190548473.0\msvcp80.dll	msiexec.exe
File opened for modification	C:\Windows\WinSxS\InstallTemp\20231107190549286.0	msiexec.exe

Checks SCSI registry key(s) 3 TTPs 5 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	vssvc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters	vssvc.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr	vssvc.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 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	vssvc.exe

Modifies data under HKEY_USERS 3 IoCs

description	ioc	Process
Key deleted	\REGISTRY\USER\.DEFAULT\SOFTWARE\CLASSES\LOCAL SETTINGS\MUICACHE\1A\52C64B7E	msiexec.exe
Key deleted	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a	msiexec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1b	msiexec.exe

Modifies registry class 45 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Win32Assemblies\Global\Microsoft.VC80.ATL,type="win32",version="8.0.50727.762",publicKeyToken="1fc8b3b9a1e18e3b",processorArchitecture="x86" = 65002a0063006f004c0038003f00510056003d0078006f00420068002a006e006500390040002700560043005f005200650064006900730074003e00700052005e007000580049006000510075006f00650038004d006b0062004900640046007700550000000000	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\Media\5 = ";Microsoft Visual C++ 2005 Redistributable [Disk 1]"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\b25099274a207264182f8181add555d0\VC_Redist	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\Version = "134274064"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\AA5D9C68C00F12943B2F6CA09FE28244	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\Net	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\Media\4 = ";Microsoft Visual C++ 2005 Redistributable [Disk 1]"	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Win32Assemblies\Global\Microsoft.VC80.CRT,type="win32",version="8.0.50727.762",publicKeyToken="1fc8b3b9a1e18e3b",processorArchitecture="x86" = 65002a0063006f004c0038003f00510056003d0078006f00420068002a006e006500390040002700560043005f005200650064006900730074003e005f006a0030002c0059005d007300210053006f00650038004d006b0062004900640046007700550000000000	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Win32Assemblies\Global\Microsoft.VC80.OpenMP,type="win32",version="8.0.50727.762",publicKeyToken="1fc8b3b9a1e18e3b",processorArchitecture="x86" = 65002a0063006f004c0038003f00510056003d0078006f00420068002a006e006500390040002700560043005f005200650064006900730074003e0035006f00300068002c0070004d0076004e003d00650038004d006b0062004900640046007700550000000000	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\Assignment = "1"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\Media\7 = ";Microsoft Visual C++ 2005 Redistributable [Disk 1]"	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\Clients = 3a0000000000	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Win32Assemblies\Global	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\Language = "0"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\Media\8 = ";Microsoft Visual C++ 2005 Redistributable [Disk 1]"	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Win32Assemblies\Global\policy.8.0.Microsoft.VC80.ATL,type="win32-policy",version="8.0.50727.762",publicKeyToken="1fc8b3b9a1e18e3b",processorArchitecture="x86" = 65002a0063006f004c0038003f00510056003d0078006f00420068002a006e006500390040002700560043005f005200650064006900730074003e0036006b007d00700048004c004800240053004400650038004d006b0062004900640046007700550000000000	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\AdvertiseFlags = "388"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\ProductName = "Microsoft Visual C++ 2005 Redistributable"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\InstanceType = "0"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\Media\DiskPrompt = "[1]"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\Media\2 = ";Microsoft Visual C++ 2005 Redistributable [Disk 1]"	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Win32Assemblies\Global\policy.8.0.Microsoft.VC80.MFC,type="win32-policy",version="8.0.50727.762",publicKeyToken="1fc8b3b9a1e18e3b",processorArchitecture="x86" = 65002a0063006f004c0038003f00510056003d0078006f00420068002a006e006500390040002700560043005f005200650064006900730074003e003d0024006b00600049004e005d00490038004300650038004d006b0062004900640046007700550000000000	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\b25099274a207264182f8181add555d0	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\Media\6 = ";Microsoft Visual C++ 2005 Redistributable [Disk 1]"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\AuthorizedLUAApp = "0"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\PackageName = "vcredist.msi"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\Media\10 = ";Microsoft Visual C++ 2005 Redistributable [Disk 1]"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\Media\11 = ";Microsoft Visual C++ 2005 Redistributable [Disk 1]"	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Win32Assemblies\Global\policy.8.0.Microsoft.VC80.MFCLOC,type="win32-policy",version="8.0.50727.762",publicKeyToken="1fc8b3b9a1e18e3b",processorArchitecture="x86" = 65002a0063006f004c0038003f00510056003d0078006f00420068002a006e006500390040002700560043005f005200650064006900730074003e006600720038005f006c0028006d0032004e004400650038004d006b0062004900640046007700550000000000	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\b25099274a207264182f8181add555d0\Servicing_Key	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\Media	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\Media\9 = ";Microsoft Visual C++ 2005 Redistributable [Disk 1]"	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Win32Assemblies\Global\Microsoft.VC80.MFC,type="win32",version="8.0.50727.762",publicKeyToken="1fc8b3b9a1e18e3b",processorArchitecture="x86" = 65002a0063006f004c0038003f00510056003d0078006f00420068002a006e006500390040002700560043005f005200650064006900730074003e0021004d00210026005a005a006300300025006e00650038004d006b0062004900640046007700550000000000	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\AA5D9C68C00F12943B2F6CA09FE28244\b25099274a207264182f8181add555d0	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Win32Assemblies\Global\policy.8.0.Microsoft.VC80.OpenMP,type="win32-policy",version="8.0.50727.762",publicKeyToken="1fc8b3b9a1e18e3b",processorArchitecture="x86" = 65002a0063006f004c0038003f00510056003d0078006f00420068002a006e006500390040002700560043005f005200650064006900730074003e00370030002d0054002400210028002a0026004e00650038004d006b0062004900640046007700550000000000	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\PackageCode = "ECF0C5769D85D534A98DCACD5B08A8A3"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\DeploymentFlags = "3"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\Media\1 = ";Microsoft Visual C++ 2005 Redistributable [Disk 1]"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\Media\3 = ";Microsoft Visual C++ 2005 Redistributable [Disk 1]"	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Win32Assemblies\Global\Microsoft.VC80.MFCLOC,type="win32",version="8.0.50727.762",publicKeyToken="1fc8b3b9a1e18e3b",processorArchitecture="x86" = 65002a0063006f004c0038003f00510056003d0078006f00420068002a006e006500390040002700560043005f005200650064006900730074003e006900450024005b004d00310025002e0064002700650038004d006b0062004900640046007700550000000000	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Win32Assemblies\Global\policy.8.0.Microsoft.VC80.CRT,type="win32-policy",version="8.0.50727.762",publicKeyToken="1fc8b3b9a1e18e3b",processorArchitecture="x86" = 65002a0063006f004c0038003f00510056003d0078006f00420068002a006e006500390040002700560043005f005200650064006900730074003e0061005a004f002c0048002a004b00320060004500650038004d006b0062004900640046007700550000000000	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4384	msiexec.exe
4384	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4448	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4448	msiexec.exe
Token: SeSecurityPrivilege	4384	msiexec.exe
Token: SeCreateTokenPrivilege	4448	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4448	msiexec.exe
Token: SeLockMemoryPrivilege	4448	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4448	msiexec.exe
Token: SeMachineAccountPrivilege	4448	msiexec.exe
Token: SeTcbPrivilege	4448	msiexec.exe
Token: SeSecurityPrivilege	4448	msiexec.exe
Token: SeTakeOwnershipPrivilege	4448	msiexec.exe
Token: SeLoadDriverPrivilege	4448	msiexec.exe
Token: SeSystemProfilePrivilege	4448	msiexec.exe
Token: SeSystemtimePrivilege	4448	msiexec.exe
Token: SeProfSingleProcessPrivilege	4448	msiexec.exe
Token: SeIncBasePriorityPrivilege	4448	msiexec.exe
Token: SeCreatePagefilePrivilege	4448	msiexec.exe
Token: SeCreatePermanentPrivilege	4448	msiexec.exe
Token: SeBackupPrivilege	4448	msiexec.exe
Token: SeRestorePrivilege	4448	msiexec.exe
Token: SeShutdownPrivilege	4448	msiexec.exe
Token: SeDebugPrivilege	4448	msiexec.exe
Token: SeAuditPrivilege	4448	msiexec.exe
Token: SeSystemEnvironmentPrivilege	4448	msiexec.exe
Token: SeChangeNotifyPrivilege	4448	msiexec.exe
Token: SeRemoteShutdownPrivilege	4448	msiexec.exe
Token: SeUndockPrivilege	4448	msiexec.exe
Token: SeSyncAgentPrivilege	4448	msiexec.exe
Token: SeEnableDelegationPrivilege	4448	msiexec.exe
Token: SeManageVolumePrivilege	4448	msiexec.exe
Token: SeImpersonatePrivilege	4448	msiexec.exe
Token: SeCreateGlobalPrivilege	4448	msiexec.exe
Token: SeBackupPrivilege	4428	vssvc.exe
Token: SeRestorePrivilege	4428	vssvc.exe
Token: SeAuditPrivilege	4428	vssvc.exe
Token: SeBackupPrivilege	4384	msiexec.exe
Token: SeRestorePrivilege	4384	msiexec.exe
Token: SeRestorePrivilege	4384	msiexec.exe
Token: SeTakeOwnershipPrivilege	4384	msiexec.exe
Token: SeRestorePrivilege	4384	msiexec.exe
Token: SeTakeOwnershipPrivilege	4384	msiexec.exe
Token: SeRestorePrivilege	4384	msiexec.exe
Token: SeTakeOwnershipPrivilege	4384	msiexec.exe
Token: SeRestorePrivilege	4384	msiexec.exe
Token: SeTakeOwnershipPrivilege	4384	msiexec.exe
Token: SeRestorePrivilege	4384	msiexec.exe
Token: SeTakeOwnershipPrivilege	4384	msiexec.exe
Token: SeRestorePrivilege	4384	msiexec.exe
Token: SeTakeOwnershipPrivilege	4384	msiexec.exe
Token: SeRestorePrivilege	4384	msiexec.exe
Token: SeTakeOwnershipPrivilege	4384	msiexec.exe
Token: SeRestorePrivilege	4384	msiexec.exe
Token: SeTakeOwnershipPrivilege	4384	msiexec.exe
Token: SeRestorePrivilege	4384	msiexec.exe
Token: SeTakeOwnershipPrivilege	4384	msiexec.exe
Token: SeRestorePrivilege	4384	msiexec.exe
Token: SeTakeOwnershipPrivilege	4384	msiexec.exe
Token: SeRestorePrivilege	4384	msiexec.exe
Token: SeTakeOwnershipPrivilege	4384	msiexec.exe
Token: SeRestorePrivilege	4384	msiexec.exe
Token: SeTakeOwnershipPrivilege	4384	msiexec.exe
Token: SeRestorePrivilege	4384	msiexec.exe
Token: SeTakeOwnershipPrivilege	4384	msiexec.exe
Token: SeRestorePrivilege	4384	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4448	msiexec.exe
4448	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3728 wrote to memory of 4448	3728	vcredist_x86.exe	86
PID 3728 wrote to memory of 4448	3728	vcredist_x86.exe	86
PID 3728 wrote to memory of 4448	3728	vcredist_x86.exe	86
PID 4384 wrote to memory of 2036	4384	msiexec.exe	101
PID 4384 wrote to memory of 2036	4384	msiexec.exe	101
PID 4384 wrote to memory of 2568	4384	msiexec.exe	103
PID 4384 wrote to memory of 2568	4384	msiexec.exe	103
PID 4384 wrote to memory of 2568	4384	msiexec.exe	103

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\vcredist_x86.exe
"C:\Users\Admin\AppData\Local\Temp\vcredist_x86.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3728
- C:\Windows\SysWOW64\msiexec.exe
  msiexec /i vcredist.msi
  2⤵
  - Enumerates connected drives
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:4448

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4384
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:2036
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding FE7649C626450D00D2C56BB3161BF3A8
  2⤵
  - Loads dropped DLL
  PID:2568

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:4428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Config.Msi\e591f59.rbs

Filesize
50KB

MD5
e621e9da038213a897020dca4185d4e4

SHA1
f16e7595b1db7eff3b146272dd57aabd58d2420f

SHA256
b75158519b951257dece6558e32d01c0bcfd37258c3055d6c3683233592095c6

SHA512
a08e6082630880d602e64a3e0266ddff32bc9baa8100a40fee1fec46916fb3b38db061eb19b4ec9fe249adaa5d17a85ed38f3c7ddad1bd0bbe9b3f0c9f80a29c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vcredis1.cab

Filesize
247KB

MD5
aa85aa3738acfe30e197d9dfd5c3428d

SHA1
7f3ee53bd967265afe32b31d75b4f6c47363654a

SHA256
af3560ef0c55c7e4eff2170c63e7860498b5830e405a3841f96c91601e62e108

SHA512
e1bf248d6425f6ba91bf0a1f3d364321b09477af9be2f31f8bf6d92defbaddfbab8f3e6284262742378f1f87d60d06eee3b98fb081e60f9fb6f19c1797489861

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vcredist.msi

Filesize
2.7MB

MD5
dc1ab7ce3b89fc7cac369d8b246cdafe

SHA1
c9a2d5a312f770189c4b65cb500905e4773c14ad

SHA256
dde77dd3473d3d07c459f17cd267f96f19264f976f2fcc85b4bbbecf26487560

SHA512
e554b8b36a7a853d4e6efb4e6faf2d784f41e8d26edafbb1689a944bf0a7a4b58258d820a3fada1496b8c8d295d8771fc713b29127d54a3fbc317659b7565cbe

Download Submit
C:\Windows\Installer\MSI235D.tmp

Filesize
28KB

MD5
85221b3bcba8dbe4b4a46581aa49f760

SHA1
746645c92594bfc739f77812d67cfd85f4b92474

SHA256
f6e34a4550e499346f5ab1d245508f16bf765ff24c4988984b89e049ca55737f

SHA512
060e35c4de14a03a2cda313f968e372291866cc4acd59977d7a48ac3745494abc54df83fff63cf30be4e10ff69a3b3c8b6c38f43ebd2a8d23d6c86fbee7ba87d

Download Submit
C:\Windows\Installer\MSI235D.tmp

Filesize
28KB

MD5
85221b3bcba8dbe4b4a46581aa49f760

SHA1
746645c92594bfc739f77812d67cfd85f4b92474

SHA256
f6e34a4550e499346f5ab1d245508f16bf765ff24c4988984b89e049ca55737f

SHA512
060e35c4de14a03a2cda313f968e372291866cc4acd59977d7a48ac3745494abc54df83fff63cf30be4e10ff69a3b3c8b6c38f43ebd2a8d23d6c86fbee7ba87d

Download Submit
C:\Windows\Installer\e591f56.msi

Filesize
2.7MB

MD5
dc1ab7ce3b89fc7cac369d8b246cdafe

SHA1
c9a2d5a312f770189c4b65cb500905e4773c14ad

SHA256
dde77dd3473d3d07c459f17cd267f96f19264f976f2fcc85b4bbbecf26487560

SHA512
e554b8b36a7a853d4e6efb4e6faf2d784f41e8d26edafbb1689a944bf0a7a4b58258d820a3fada1496b8c8d295d8771fc713b29127d54a3fbc317659b7565cbe

Download Submit
\??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2

Filesize
23.0MB

MD5
ac813838275a8125fa95d4385baa3e99

SHA1
f6d6f5d1f32d9270281ce514e7f4db98105155d5

SHA256
c830191de5a30da45101c4d56974e4e4c70ccba7fbf4e024d717e609ad333796

SHA512
a325920c9ce368d5e0e830ddef4cba77d6523ba7a57c8d05e1b87e475868f4137b3a0651823fc3d5673a0035e1869bc25d14512be92b56b88bb6980b9010ffc7

Download Submit
\??\Volume{fd77526f-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{614fee79-9d7b-4ecd-a326-052587afb3f0}_OnDiskSnapshotProp

Filesize
5KB

MD5
e317580e02861ae4550aaa1b86d3fcc4

SHA1
9155e72737966750568f6c5101d9f633a20690ad

SHA256
674344ff0ea3a1c1a304f1de12a295dfcf065c324f3c0fe5bad5f9f55748dfb7

SHA512
dd6f9c364c814105c9a6f9995782dd57a12f9a159e13ca0ec4bb4d2c2fa60391e40dfd9bc032ec01d3d6bbd0d3ea664cf1973e06263cae46b0a5ddc77373a374

Download Submit