Analysis
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max time kernel
150s -
max time network
140s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 18:18
Static task
static1
Behavioral task
behavioral1
Sample
11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe
Resource
win10v2004-20240426-en
General
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Target
11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe
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Size
4.1MB
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MD5
7d314377a736fcc2b713471c87c44f1c
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SHA1
9783c687a5d85e6fcebce65bc2906aa42defd691
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SHA256
11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7
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SHA512
92fb249d19097e056da7d426f0d8e6c12af38a0f9d56037dbd9e20a1bb3c2045460ff63e9d622fc6c979d7782dc8b026247936ff7cfb7ec4597ca99e4acf3a8b
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SSDEEP
98304:YoKALZtLSnhBaG13jSGzI9y04m/Xf7c/d7YDSGfJg5NEka2Q+gm:YC1IraEjIw04m/Xfo4a5yka2Q+gm
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/1152-2-0x0000000004CE0000-0x00000000055CB000-memory.dmp family_glupteba behavioral2/memory/1152-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1152-12-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1152-55-0x0000000004CE0000-0x00000000055CB000-memory.dmp family_glupteba behavioral2/memory/1152-53-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1152-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3124-104-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3124-132-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3304-202-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3304-210-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3304-220-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3304-224-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3304-228-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3304-232-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3304-236-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3304-239-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3304-244-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1544 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3304 csrss.exe 1472 injector.exe 3080 windefender.exe 1664 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab58-213.dat upx behavioral2/memory/3080-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3080-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1664-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1664-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\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 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 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 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1396 sc.exe -
pid Process 1724 powershell.exe 3732 powershell.exe 4940 powershell.exe 2916 powershell.exe 4836 powershell.exe 1416 powershell.exe 2280 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1340 schtasks.exe 1456 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4836 powershell.exe 4836 powershell.exe 1152 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 1152 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 1416 powershell.exe 1416 powershell.exe 3124 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 3124 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 3124 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 3124 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 3124 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 3124 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 3124 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 3124 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 3124 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 3124 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 2280 powershell.exe 2280 powershell.exe 1724 powershell.exe 1724 powershell.exe 3732 powershell.exe 3732 powershell.exe 4940 powershell.exe 4940 powershell.exe 2916 powershell.exe 2916 powershell.exe 1472 injector.exe 1472 injector.exe 1472 injector.exe 1472 injector.exe 1472 injector.exe 1472 injector.exe 3304 csrss.exe 3304 csrss.exe 1472 injector.exe 1472 injector.exe 1472 injector.exe 1472 injector.exe 1472 injector.exe 1472 injector.exe 3304 csrss.exe 3304 csrss.exe 1472 injector.exe 1472 injector.exe 1472 injector.exe 1472 injector.exe 1472 injector.exe 1472 injector.exe 3304 csrss.exe 3304 csrss.exe 1472 injector.exe 1472 injector.exe 1472 injector.exe 1472 injector.exe 1472 injector.exe 1472 injector.exe 1472 injector.exe 1472 injector.exe 1472 injector.exe 1472 injector.exe 1472 injector.exe 1472 injector.exe 1472 injector.exe 1472 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4836 powershell.exe Token: SeDebugPrivilege 1152 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Token: SeImpersonatePrivilege 1152 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Token: SeDebugPrivilege 1416 powershell.exe Token: SeDebugPrivilege 2280 powershell.exe Token: SeDebugPrivilege 1724 powershell.exe Token: SeDebugPrivilege 3732 powershell.exe Token: SeDebugPrivilege 4940 powershell.exe Token: SeDebugPrivilege 2916 powershell.exe Token: SeSystemEnvironmentPrivilege 3304 csrss.exe Token: SeSecurityPrivilege 1396 sc.exe Token: SeSecurityPrivilege 1396 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1152 wrote to memory of 4836 1152 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 83 PID 1152 wrote to memory of 4836 1152 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 83 PID 1152 wrote to memory of 4836 1152 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 83 PID 3124 wrote to memory of 1416 3124 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 88 PID 3124 wrote to memory of 1416 3124 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 88 PID 3124 wrote to memory of 1416 3124 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 88 PID 3124 wrote to memory of 4860 3124 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 90 PID 3124 wrote to memory of 4860 3124 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 90 PID 4860 wrote to memory of 1544 4860 cmd.exe 92 PID 4860 wrote to memory of 1544 4860 cmd.exe 92 PID 3124 wrote to memory of 2280 3124 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 93 PID 3124 wrote to memory of 2280 3124 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 93 PID 3124 wrote to memory of 2280 3124 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 93 PID 3124 wrote to memory of 1724 3124 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 95 PID 3124 wrote to memory of 1724 3124 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 95 PID 3124 wrote to memory of 1724 3124 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 95 PID 3124 wrote to memory of 3304 3124 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 97 PID 3124 wrote to memory of 3304 3124 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 97 PID 3124 wrote to memory of 3304 3124 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 97 PID 3304 wrote to memory of 3732 3304 csrss.exe 98 PID 3304 wrote to memory of 3732 3304 csrss.exe 98 PID 3304 wrote to memory of 3732 3304 csrss.exe 98 PID 3304 wrote to memory of 4940 3304 csrss.exe 104 PID 3304 wrote to memory of 4940 3304 csrss.exe 104 PID 3304 wrote to memory of 4940 3304 csrss.exe 104 PID 3304 wrote to memory of 2916 3304 csrss.exe 106 PID 3304 wrote to memory of 2916 3304 csrss.exe 106 PID 3304 wrote to memory of 2916 3304 csrss.exe 106 PID 3304 wrote to memory of 1472 3304 csrss.exe 108 PID 3304 wrote to memory of 1472 3304 csrss.exe 108 PID 3080 wrote to memory of 3312 3080 windefender.exe 114 PID 3080 wrote to memory of 3312 3080 windefender.exe 114 PID 3080 wrote to memory of 3312 3080 windefender.exe 114 PID 3312 wrote to memory of 1396 3312 cmd.exe 115 PID 3312 wrote to memory of 1396 3312 cmd.exe 115 PID 3312 wrote to memory of 1396 3312 cmd.exe 115 -
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\11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe"C:\Users\Admin\AppData\Local\Temp\11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1152 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4836
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C:\Users\Admin\AppData\Local\Temp\11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe"C:\Users\Admin\AppData\Local\Temp\11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.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:3124 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1416
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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:4860 -
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:1544
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2280
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1724
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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:3304 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3732
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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:1340
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3136
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4940
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2916
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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:1472
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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:1456
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3080 -
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:3312 -
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:1396
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1664
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD584d9073cc8848cf449dae780bc63789d
SHA1b035f83f7b87ec99322caeecf844091ebc2f0397
SHA2565e4bbbcb6c187263f5b9cf9a73a13099b783460116cf09ace46c322a25144d76
SHA5127523f714aa0c34bec139a90f5b08678383e60b2e14f28bb34db433921d6f75a74d7ecd81674fb11bc3cda27d0d3cbfb2d01eaedfa1d77c5e476a60c78aaf6a06
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59234cc0628aa76b932c908f4a28e9e95
SHA15ea278aeb7e7135907142d2a7a4702a9c99a9d8b
SHA25698f4098560c7acf8c2ca152543947719d0a28991ebb44a6a2ab8ff2aa4468093
SHA5126e076eb99f054ffeda6ea69068729c1391c08b6b5c1e8b4ab342dc2f107512aff0a2d9e7c68cb4f5340ac36f3a78c05de7a535307edc5c44be04ebfe22ed2be2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ccdd54e23f7a074f6358925cb7182756
SHA1573b111b61454d07500eca1a7d6e7103f3d5b02a
SHA256a845d4e4aa90a6865f0b465cc0ea1886c440197545f5e10aadbda1edef786809
SHA512d87e80de945cc18669b4a0aea85a62b8bc1c41b7ca1e5af9960bda67582c5ebd24764d1e25bfc11c5222380a605ce656e2f31c80cd29398339ce88f7183ca09b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57bc1fc4c53c32edb2216385ff64632c6
SHA1ae24a76b6e0525e6b82abe13b6a0224dcda8be83
SHA2566e08b7e121d6e5151fceba894d5cc6d602f71382b9adc82ecdb2e187d244cf41
SHA51233413e2f529fc5e0f806ccda66620cdbb59553b969ea5da69dc6a78233413af712894c906b159c48eeff62ed5bc1ed42365f49b4dc7047577d4978fdc622bad3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5644537f10ccc5f0b76eb78d8bfe85dd0
SHA1c22151f3009a5cdcde423ea05d95772441d783d4
SHA2561a0f34865a71260cd3a59912f0ef41c2a9e510b0e599eb1e38913317b3783b63
SHA51211c6096053ecdc4b2473ce8a707ac09c7ab62773cf166293cea60b815d0e90332fc923ad2d052d37e3e7f1a3b8de7678ec1bc87fa60923bfa5769f022975df7e
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Filesize
4.1MB
MD57d314377a736fcc2b713471c87c44f1c
SHA19783c687a5d85e6fcebce65bc2906aa42defd691
SHA25611a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7
SHA51292fb249d19097e056da7d426f0d8e6c12af38a0f9d56037dbd9e20a1bb3c2045460ff63e9d622fc6c979d7782dc8b026247936ff7cfb7ec4597ca99e4acf3a8b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec