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Analysis
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max time kernel
158s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
05/04/2024, 15:32
Static task
static1
Behavioral task
behavioral1
Sample
e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe
Resource
win10v2004-20240226-en
General
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Target
e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe
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Size
4.1MB
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MD5
f79e8a951e8cb65238302fc9d28b9fba
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SHA1
bd8a46126a330d560361a0eb98964cf3d478ca5d
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SHA256
e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c
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SHA512
b1548b1adbea3116c9972c9bc3a1785cf82f11083ae03742b3d63b438faeac3827809ade36dcbaca3e8d9fc6c450d03cc91686d2f39143163bfd520a287ff58a
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SSDEEP
98304:1TMNq34P+HteGjy/aTJS6MZmor0j4/IIOiHGB2JYLNkQzzG+OFWZ5Nq:NMNWY+NG/aLSt/IeHGBHLKQyv
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/3240-2-0x0000000002D50000-0x000000000363B000-memory.dmp family_glupteba behavioral1/memory/3240-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3240-24-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3240-51-0x0000000002D50000-0x000000000363B000-memory.dmp family_glupteba behavioral1/memory/3240-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4992-60-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4992-109-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4992-157-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1788-207-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1788-259-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1788-267-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1788-268-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1788-271-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1788-273-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1788-275-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1788-277-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1788-279-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1788-281-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1804 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1788 csrss.exe 3640 injector.exe 4984 windefender.exe 1972 windefender.exe -
resource yara_rule behavioral1/files/0x0003000000021b3f-262.dat upx behavioral1/memory/4984-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1972-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1972-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1972-280-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.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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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe File created C:\Windows\rss\csrss.exe e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2052 sc.exe -
Program crash 4 IoCs
pid pid_target Process procid_target 1380 3240 WerFault.exe 84 3644 3240 WerFault.exe 84 2024 4992 WerFault.exe 98 3496 4992 WerFault.exe 98 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1124 schtasks.exe 3784 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2948 powershell.exe 2948 powershell.exe 3240 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 3240 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 1204 powershell.exe 1204 powershell.exe 4992 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 4992 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 4992 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 4992 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 4992 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 4992 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 4992 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 4992 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 4992 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 4992 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 1864 powershell.exe 1864 powershell.exe 2980 powershell.exe 2980 powershell.exe 4788 powershell.exe 4788 powershell.exe 4444 powershell.exe 4444 powershell.exe 3224 powershell.exe 3224 powershell.exe 3640 injector.exe 3640 injector.exe 3640 injector.exe 3640 injector.exe 3640 injector.exe 3640 injector.exe 3640 injector.exe 3640 injector.exe 1788 csrss.exe 1788 csrss.exe 3640 injector.exe 3640 injector.exe 3640 injector.exe 3640 injector.exe 3640 injector.exe 3640 injector.exe 1788 csrss.exe 1788 csrss.exe 3640 injector.exe 3640 injector.exe 1788 csrss.exe 1788 csrss.exe 3640 injector.exe 3640 injector.exe 3640 injector.exe 3640 injector.exe 3640 injector.exe 3640 injector.exe 3640 injector.exe 3640 injector.exe 3640 injector.exe 3640 injector.exe 3640 injector.exe 3640 injector.exe 3640 injector.exe 3640 injector.exe 3640 injector.exe 3640 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2948 powershell.exe Token: SeDebugPrivilege 3240 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Token: SeImpersonatePrivilege 3240 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Token: SeDebugPrivilege 1204 powershell.exe Token: SeDebugPrivilege 1864 powershell.exe Token: SeDebugPrivilege 2980 powershell.exe Token: SeDebugPrivilege 4788 powershell.exe Token: SeDebugPrivilege 4444 powershell.exe Token: SeDebugPrivilege 3224 powershell.exe Token: SeSystemEnvironmentPrivilege 1788 csrss.exe Token: SeSecurityPrivilege 2052 sc.exe Token: SeSecurityPrivilege 2052 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3240 wrote to memory of 2948 3240 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 92 PID 3240 wrote to memory of 2948 3240 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 92 PID 3240 wrote to memory of 2948 3240 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 92 PID 4992 wrote to memory of 1204 4992 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 104 PID 4992 wrote to memory of 1204 4992 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 104 PID 4992 wrote to memory of 1204 4992 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 104 PID 4992 wrote to memory of 1112 4992 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 107 PID 4992 wrote to memory of 1112 4992 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 107 PID 1112 wrote to memory of 1804 1112 cmd.exe 109 PID 1112 wrote to memory of 1804 1112 cmd.exe 109 PID 4992 wrote to memory of 1864 4992 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 110 PID 4992 wrote to memory of 1864 4992 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 110 PID 4992 wrote to memory of 1864 4992 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 110 PID 4992 wrote to memory of 2980 4992 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 112 PID 4992 wrote to memory of 2980 4992 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 112 PID 4992 wrote to memory of 2980 4992 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 112 PID 4992 wrote to memory of 1788 4992 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 114 PID 4992 wrote to memory of 1788 4992 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 114 PID 4992 wrote to memory of 1788 4992 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 114 PID 1788 wrote to memory of 4788 1788 csrss.exe 119 PID 1788 wrote to memory of 4788 1788 csrss.exe 119 PID 1788 wrote to memory of 4788 1788 csrss.exe 119 PID 1788 wrote to memory of 4444 1788 csrss.exe 125 PID 1788 wrote to memory of 4444 1788 csrss.exe 125 PID 1788 wrote to memory of 4444 1788 csrss.exe 125 PID 1788 wrote to memory of 3224 1788 csrss.exe 127 PID 1788 wrote to memory of 3224 1788 csrss.exe 127 PID 1788 wrote to memory of 3224 1788 csrss.exe 127 PID 1788 wrote to memory of 3640 1788 csrss.exe 129 PID 1788 wrote to memory of 3640 1788 csrss.exe 129 PID 4984 wrote to memory of 1576 4984 windefender.exe 135 PID 4984 wrote to memory of 1576 4984 windefender.exe 135 PID 4984 wrote to memory of 1576 4984 windefender.exe 135 PID 1576 wrote to memory of 2052 1576 cmd.exe 136 PID 1576 wrote to memory of 2052 1576 cmd.exe 136 PID 1576 wrote to memory of 2052 1576 cmd.exe 136 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe"C:\Users\Admin\AppData\Local\Temp\e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3240 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2948
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C:\Users\Admin\AppData\Local\Temp\e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe"C:\Users\Admin\AppData\Local\Temp\e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4992 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1204
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:1112 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:1804
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1864
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2980
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1788 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4788
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1124
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3176
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4444
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3224
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:3640
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3784
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4984 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:1576 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:2052
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4992 -s 7763⤵
- Program crash
PID:2024
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4992 -s 8723⤵
- Program crash
PID:3496
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3240 -s 7602⤵
- Program crash
PID:1380
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3240 -s 8522⤵
- Program crash
PID:3644
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3240 -ip 32401⤵PID:2576
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3240 -ip 32401⤵PID:416
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 4992 -ip 49921⤵PID:3940
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4992 -ip 49921⤵PID:1052
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1972
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59788ece4cf18500370b68a83987d58cc
SHA1efb86095859b6ecd473144e2e256562ac501a7c8
SHA2569cf9ec4ab67dbefc9126117bab338fc7426fc665175cfec08fa5fed4f78cf447
SHA512ae59b168e176b8bf49fa80ec614ca51ca2c5ffa894faef09f3ec708924716cebb66714463fc930876c3908e7759b39cea77e34ab0e4b831992d46b179e3eb2e7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c9e931d45586bf3ccd810ae83eece9ea
SHA19af67343f0601a13c9965563cbb94713ee23ea11
SHA256261c119d80a4f26be4090eaf9fbcd6b5d72fa57682ad29b1d093b38b4cff4c9b
SHA512af39a4bfd76349b5fea1008edb49063f49dd67d4031087b6278b5ea6b3df9d3109b9c522d4e4f4e79e68e1b466b2f19c3f1005772a1050126df7e9a29bee3a1d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD582c59ded4803ad66ccb0605beeb73c80
SHA199b754b790c81faa59449037d06f6883df50473e
SHA2567699a383c86eb0d41126cf7c34dd3b32105c354f7b4e41c14269b05877aaab2a
SHA512912ded37d73d745a7a34c4ff5d2d65e5d3aa8727fc9b7f9a0786c80525d19264a025ed682d7e2963b6d4d7ed669f7416e21b74a40f79d08701eb3a2d454df77e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52ffd777918284473c9b4c3a8d433da3d
SHA182b4227fc7b559bc3eb867851050a51f5056a910
SHA2565e5f3612c0052ee5c8bd43a0c02b09153411a6af18f6e03ec6e4253e63708c80
SHA5123a5588ee4a48f6f43031c3313251fcb29da748b65aabdcf7d17edc9a3d124cb82030977f911db61ecbaa56c5d77480dbfcd2a796d6d455bc5ab932d7ea1f8ecf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56665d087d1b18f7bb5773602696c22c5
SHA1fd0c90344aafc003131737da0ef7d9d2b5b0dba1
SHA2566e3615eabebcd1b92813f26d234af253a825de83a8eb24075c77416bfc12e1aa
SHA512f16b3a16f88a489afd38909c0d27d6d26c72d462e593069ab07a2aee4bc3b5260109d61e228bf851e29514143f61513e2422adc4d113a6e81a530a50b55741e5
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Filesize
4.1MB
MD5f79e8a951e8cb65238302fc9d28b9fba
SHA1bd8a46126a330d560361a0eb98964cf3d478ca5d
SHA256e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c
SHA512b1548b1adbea3116c9972c9bc3a1785cf82f11083ae03742b3d63b438faeac3827809ade36dcbaca3e8d9fc6c450d03cc91686d2f39143163bfd520a287ff58a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec