43dd818938f2a189ae43dcaffa558ad39d518aa60ac096f0cdc0f1c35677a249

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
15/07/2024, 18:35

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General

Target

$PLUGINSDIR/vcredist_x86.exe
Size

2.6MB
MD5

5c82be7ad1775b67916ee19c15b99331
SHA1

7dfa98be78249921dd0eedb9a3dd809e7d215c8d
SHA256

eb00f891919d4f894ab725b158459db8834470c382dc60cd3c3ee2c6de6da92c
SHA512

2c505476c81ad32a4904d57d9214bbaa805891c261e010b08055896dca32cfd426f4d13d14a96022fda9a5d8ecd638d65bc37baefed216a2517f07e9acb6939d
SSDEEP

49152:7XOOTQyCR1e8HkA7pFomV4d4QN3uoxFit39/SZrPfLHkAZ0oI006q/HVFlQE+QD9:77EzzzJp0+ojyFALE4hIP/HRXP7x

Score

7^/10

persistence privilege_escalation

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2536	VCREDI~3.EXE

Loads dropped DLL 5 IoCs

pid	Process
3020	vcredist_x86.exe
2536	VCREDI~3.EXE
2536	VCREDI~3.EXE
2536	VCREDI~3.EXE
1888	MsiExec.exe

Adds Run key to start application 2 TTPs 2 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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	VCREDI~3.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)	\??\V:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\U:	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 54 IoCs

description	ioc	Process
File opened for modification	C:\Windows\INF\setupapi.dev.log	DrvInst.exe
File opened for modification	C:\Windows\Installer\f76ed8a.msi	msiexec.exe
File created	C:\Windows\Installer\f76ed8d.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\$PatchCache$\Managed\b25099274a207264182f8181add555d0\8.0.56336	msiexec.exe
File opened for modification	C:\Windows\WinSxS\InstallTemp\20240715184350924.0	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350830.0\mfc80FRA.dll	msiexec.exe
File opened for modification	C:\Windows\Installer\$PatchCache$\Managed\b25099274a207264182f8181add555d0	msiexec.exe
File opened for modification	C:\Windows\Installer\f76ed8d.ipi	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350830.0\mfc80ESP.dll	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350939.0\8.0.50727.762.cat	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350955.0\8.0.50727.762.policy	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350970.1\8.0.50727.762.policy	msiexec.exe
File opened for modification	C:\Windows\WinSxS\InstallTemp\20240715184350955.0	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF326.tmp	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350627.0\x86_Microsoft.VC80.ATL_1fc8b3b9a1e18e3b_8.0.50727.762_x-ww_cbb27474.manifest	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350830.0\mfc80CHS.dll	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350830.0\mfc80CHT.dll	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350955.0\8.0.50727.762.cat	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350627.0\ATL80.dll	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350752.0\x86_Microsoft.VC80.MFC_1fc8b3b9a1e18e3b_8.0.50727.762_x-ww_3bf8fa05.cat	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350752.0\mfc80u.dll	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350830.0\mfc80ENU.dll	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350924.0\x86_Microsoft.VC80.OpenMP_1fc8b3b9a1e18e3b_8.0.50727.762_x-ww_6c18549a.cat	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350752.0\mfc80.dll	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350830.0\mfc80ITA.dll	msiexec.exe
File created	C:\Windows\Installer\$PatchCache$\Managed\b25099274a207264182f8181add555d0\8.0.56336\ul_ATL80.dll.97F81AF1_0E47_DC99_FF1F_C8B3B9A1E18E	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350752.0\mfcm80.dll	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350924.0\vcomp.dll	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350970.0\8.0.50727.762.policy	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350752.0\mfcm80u.dll	msiexec.exe
File opened for modification	C:\Windows\WinSxS\InstallTemp\20240715184350752.0	msiexec.exe
File opened for modification	C:\Windows\WinSxS\InstallTemp\20240715184350830.0	msiexec.exe
File opened for modification	C:\Windows\WinSxS\InstallTemp\20240715184350970.1	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350830.0\x86_Microsoft.VC80.MFCLOC_1fc8b3b9a1e18e3b_8.0.50727.762_x-ww_91481303.manifest	msiexec.exe
File opened for modification	C:\Windows\WinSxS\InstallTemp\20240715184350627.0	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIEF9C.tmp	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350830.0\x86_Microsoft.VC80.MFCLOC_1fc8b3b9a1e18e3b_8.0.50727.762_x-ww_91481303.cat	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350970.0\8.0.50727.762.cat	msiexec.exe
File opened for modification	C:\Windows\Installer\$PatchCache$\Managed\b25099274a207264182f8181add555d0\8.0.56336\ul_ATL80.dll.97F81AF1_0E47_DC99_FF1F_C8B3B9A1E18E	msiexec.exe
File opened for modification	C:\Windows\WinSxS\InstallTemp\20240715184350939.0	msiexec.exe
File opened for modification	C:\Windows\INF\setupapi.ev1	DrvInst.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350627.0\x86_Microsoft.VC80.ATL_1fc8b3b9a1e18e3b_8.0.50727.762_x-ww_cbb27474.cat	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350830.0\mfc80DEU.dll	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350939.0\8.0.50727.762.policy	msiexec.exe
File created	C:\Windows\Installer\f76ed8f.msi	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350830.0\mfc80KOR.dll	msiexec.exe
File created	C:\Windows\Installer\f76ed8a.msi	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350752.0\x86_Microsoft.VC80.MFC_1fc8b3b9a1e18e3b_8.0.50727.762_x-ww_3bf8fa05.manifest	msiexec.exe
File opened for modification	C:\Windows\WinSxS\InstallTemp\20240715184350970.0	msiexec.exe
File opened for modification	C:\Windows\INF\setupapi.ev3	DrvInst.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350830.0\mfc80JPN.dll	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350924.0\x86_Microsoft.VC80.OpenMP_1fc8b3b9a1e18e3b_8.0.50727.762_x-ww_6c18549a.manifest	msiexec.exe
File created	C:\Windows\WinSxS\InstallTemp\20240715184350970.1\8.0.50727.762.cat	msiexec.exe

Event Triggered Execution: Installer Packages 1 TTPs 1 IoCs

persistence privilege_escalation

Installer Packages

T1546.016

pid	Process
2716	msiexec.exe

Modifies data under HKEY_USERS 46 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	DrvInst.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs	DrvInst.exe
Key deleted	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E	msiexec.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2E	msiexec.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Key deleted	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D	msiexec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs	DrvInst.exe

Modifies registry class 56 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\ProductName = "Microsoft Visual C++ 2005 Redistributable"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\Media\DiskPrompt = "[1]"	msiexec.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList	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 (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\Media\6 = ";Microsoft Visual C++ 2005 Redistributable [Disk 1]"	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 (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\Version = "134274064"	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 (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\Media\8 = ";Microsoft Visual C++ 2005 Redistributable [Disk 1]"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\"	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 (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\Language = "0"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\Media\5 = ";Microsoft Visual C++ 2005 Redistributable [Disk 1]"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Installer\Features\b25099274a207264182f8181add555d0	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\Assignment = "1"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\DeploymentFlags = "3"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\Net	msiexec.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\AA5D9C68C00F12943B2F6CA09FE28244	msiexec.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\AA5D9C68C00F12943B2F6CA09FE28244	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\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\"	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\Clients = 3a0000000000	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\2 = ";Microsoft Visual C++ 2005 Redistributable [Disk 1]"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\Media\4 = ";Microsoft Visual C++ 2005 Redistributable [Disk 1]"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\Media	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\Media\9 = ";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\Microsoft.VC80.ATL,type="win32",version="8.0.50727.762",publicKeyToken="1fc8b3b9a1e18e3b",processorArchitecture="x86" = 65002a0063006f004c0038003f00510056003d0078006f00420068002a006e006500390040002700560043005f005200650064006900730074003e00700052005e007000580049006000510075006f00650038004d006b0062004900640046007700550000000000	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Installer\Win32Assemblies\Global	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Win32Assemblies\Global	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 (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 (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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\b25099274a207264182f8181add555d0\VC_Redist	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0	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\1 = ";Microsoft Visual C++ 2005 Redistributable [Disk 1]"	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 (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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\b25099274a207264182f8181add555d0	msiexec.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\Media	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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\InstanceType = "0"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\AA5D9C68C00F12943B2F6CA09FE28244\b25099274a207264182f8181add555d0	msiexec.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\b25099274a207264182f8181add555d0	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\3 = ";Microsoft Visual C++ 2005 Redistributable [Disk 1]"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\PackageCode = "ECF0C5769D85D534A98DCACD5B08A8A3"	msiexec.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\b25099274a207264182f8181add555d0\SourceList\Net	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2844	msiexec.exe
2844	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2716	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2716	msiexec.exe
Token: SeRestorePrivilege	2844	msiexec.exe
Token: SeTakeOwnershipPrivilege	2844	msiexec.exe
Token: SeSecurityPrivilege	2844	msiexec.exe
Token: SeCreateTokenPrivilege	2716	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	2716	msiexec.exe
Token: SeLockMemoryPrivilege	2716	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2716	msiexec.exe
Token: SeMachineAccountPrivilege	2716	msiexec.exe
Token: SeTcbPrivilege	2716	msiexec.exe
Token: SeSecurityPrivilege	2716	msiexec.exe
Token: SeTakeOwnershipPrivilege	2716	msiexec.exe
Token: SeLoadDriverPrivilege	2716	msiexec.exe
Token: SeSystemProfilePrivilege	2716	msiexec.exe
Token: SeSystemtimePrivilege	2716	msiexec.exe
Token: SeProfSingleProcessPrivilege	2716	msiexec.exe
Token: SeIncBasePriorityPrivilege	2716	msiexec.exe
Token: SeCreatePagefilePrivilege	2716	msiexec.exe
Token: SeCreatePermanentPrivilege	2716	msiexec.exe
Token: SeBackupPrivilege	2716	msiexec.exe
Token: SeRestorePrivilege	2716	msiexec.exe
Token: SeShutdownPrivilege	2716	msiexec.exe
Token: SeDebugPrivilege	2716	msiexec.exe
Token: SeAuditPrivilege	2716	msiexec.exe
Token: SeSystemEnvironmentPrivilege	2716	msiexec.exe
Token: SeChangeNotifyPrivilege	2716	msiexec.exe
Token: SeRemoteShutdownPrivilege	2716	msiexec.exe
Token: SeUndockPrivilege	2716	msiexec.exe
Token: SeSyncAgentPrivilege	2716	msiexec.exe
Token: SeEnableDelegationPrivilege	2716	msiexec.exe
Token: SeManageVolumePrivilege	2716	msiexec.exe
Token: SeImpersonatePrivilege	2716	msiexec.exe
Token: SeCreateGlobalPrivilege	2716	msiexec.exe
Token: SeBackupPrivilege	2740	vssvc.exe
Token: SeRestorePrivilege	2740	vssvc.exe
Token: SeAuditPrivilege	2740	vssvc.exe
Token: SeBackupPrivilege	2844	msiexec.exe
Token: SeRestorePrivilege	2844	msiexec.exe
Token: SeRestorePrivilege	3040	DrvInst.exe
Token: SeRestorePrivilege	3040	DrvInst.exe
Token: SeRestorePrivilege	3040	DrvInst.exe
Token: SeRestorePrivilege	3040	DrvInst.exe
Token: SeRestorePrivilege	3040	DrvInst.exe
Token: SeRestorePrivilege	3040	DrvInst.exe
Token: SeRestorePrivilege	3040	DrvInst.exe
Token: SeLoadDriverPrivilege	3040	DrvInst.exe
Token: SeLoadDriverPrivilege	3040	DrvInst.exe
Token: SeLoadDriverPrivilege	3040	DrvInst.exe
Token: SeRestorePrivilege	2844	msiexec.exe
Token: SeTakeOwnershipPrivilege	2844	msiexec.exe
Token: SeRestorePrivilege	2844	msiexec.exe
Token: SeTakeOwnershipPrivilege	2844	msiexec.exe
Token: SeRestorePrivilege	2844	msiexec.exe
Token: SeTakeOwnershipPrivilege	2844	msiexec.exe
Token: SeRestorePrivilege	2844	msiexec.exe
Token: SeTakeOwnershipPrivilege	2844	msiexec.exe
Token: SeRestorePrivilege	2844	msiexec.exe
Token: SeTakeOwnershipPrivilege	2844	msiexec.exe
Token: SeRestorePrivilege	2844	msiexec.exe
Token: SeTakeOwnershipPrivilege	2844	msiexec.exe
Token: SeRestorePrivilege	2844	msiexec.exe
Token: SeTakeOwnershipPrivilege	2844	msiexec.exe
Token: SeRestorePrivilege	2844	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2716	msiexec.exe
2716	msiexec.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 2536	3020	vcredist_x86.exe	31
PID 3020 wrote to memory of 2536	3020	vcredist_x86.exe	31
PID 3020 wrote to memory of 2536	3020	vcredist_x86.exe	31
PID 3020 wrote to memory of 2536	3020	vcredist_x86.exe	31
PID 3020 wrote to memory of 2536	3020	vcredist_x86.exe	31
PID 3020 wrote to memory of 2536	3020	vcredist_x86.exe	31
PID 3020 wrote to memory of 2536	3020	vcredist_x86.exe	31
PID 2536 wrote to memory of 2716	2536	VCREDI~3.EXE	32
PID 2536 wrote to memory of 2716	2536	VCREDI~3.EXE	32
PID 2536 wrote to memory of 2716	2536	VCREDI~3.EXE	32
PID 2536 wrote to memory of 2716	2536	VCREDI~3.EXE	32
PID 2536 wrote to memory of 2716	2536	VCREDI~3.EXE	32
PID 2536 wrote to memory of 2716	2536	VCREDI~3.EXE	32
PID 2536 wrote to memory of 2716	2536	VCREDI~3.EXE	32
PID 2844 wrote to memory of 1888	2844	msiexec.exe	37
PID 2844 wrote to memory of 1888	2844	msiexec.exe	37
PID 2844 wrote to memory of 1888	2844	msiexec.exe	37
PID 2844 wrote to memory of 1888	2844	msiexec.exe	37
PID 2844 wrote to memory of 1888	2844	msiexec.exe	37
PID 2844 wrote to memory of 1888	2844	msiexec.exe	37
PID 2844 wrote to memory of 1888	2844	msiexec.exe	37

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\$PLUGINSDIR\vcredist_x86.exe
"C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\vcredist_x86.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\VCREDI~3.EXE
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\VCREDI~3.EXE
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2536
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec /i vcredist.msi
    3⤵
    - Enumerates connected drives
    - Event Triggered Execution: Installer Packages
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    PID:2716

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:2844
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 56B2DDCE03891218DC1C201B29C7D938
  2⤵
  - Loads dropped DLL
  PID:1888

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2740

C:\Windows\system32\DrvInst.exe
DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000005A0" "0000000000000060"
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:3040

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

Event Triggered Execution

T1546

Installer Packages

T1546.016

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Installer Packages

T1546.016

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:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vcredis1.cab

Filesize
247KB

MD5
aa85aa3738acfe30e197d9dfd5c3428d

SHA1
7f3ee53bd967265afe32b31d75b4f6c47363654a

SHA256
af3560ef0c55c7e4eff2170c63e7860498b5830e405a3841f96c91601e62e108

SHA512
e1bf248d6425f6ba91bf0a1f3d364321b09477af9be2f31f8bf6d92defbaddfbab8f3e6284262742378f1f87d60d06eee3b98fb081e60f9fb6f19c1797489861

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vcredist.msi

Filesize
2.7MB

MD5
dc1ab7ce3b89fc7cac369d8b246cdafe

SHA1
c9a2d5a312f770189c4b65cb500905e4773c14ad

SHA256
dde77dd3473d3d07c459f17cd267f96f19264f976f2fcc85b4bbbecf26487560

SHA512
e554b8b36a7a853d4e6efb4e6faf2d784f41e8d26edafbb1689a944bf0a7a4b58258d820a3fada1496b8c8d295d8771fc713b29127d54a3fbc317659b7565cbe

Download Submit
C:\Windows\Installer\MSIEF9C.tmp

Filesize
28KB

MD5
85221b3bcba8dbe4b4a46581aa49f760

SHA1
746645c92594bfc739f77812d67cfd85f4b92474

SHA256
f6e34a4550e499346f5ab1d245508f16bf765ff24c4988984b89e049ca55737f

SHA512
060e35c4de14a03a2cda313f968e372291866cc4acd59977d7a48ac3745494abc54df83fff63cf30be4e10ff69a3b3c8b6c38f43ebd2a8d23d6c86fbee7ba87d

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\VCREDI~3.EXE

Filesize
2.6MB

MD5
1f8e9fec647700b21d45e6cda97c39b7

SHA1
037288ee51553f84498ae4873c357d367d1a3667

SHA256
9c110c0426f4e75f4384a527f0abe2232fe71f2968eb91278b16b200537d3161

SHA512
42f6ca3456951f3e85024444e513f424add6eda9f4807bf84c91dc8ccb623be6a8e83dc40a8b6a1bc2c6fd080f2c51b719ead1422e9d1c1079795ec70953a1ad

Download Submit