Analysis
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max time kernel
149s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 13:05
Static task
static1
Behavioral task
behavioral1
Sample
2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe
Resource
win10v2004-20240508-en
General
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Target
2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe
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Size
4.1MB
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MD5
20ebad5407f7a33b14f17c8e419f37a5
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SHA1
f84a95d7360b8c7e8673500bc3fd91fde46ee8ee
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SHA256
2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2
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SHA512
abc2309a32056b9070dc41b9eb695d7716329227a6447769dd0b5d20c944afb1dd549818ec55f6da8c0260c1f49675098fd9f5b37808d5eb0306e2452b9c85a8
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SSDEEP
98304:/hzlfCz+ccJ0CpUiRHjJlGcG1klIkRd3fLKEv/:Jz9CiccJ0CpfGcGG1DfLx
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1844-2-0x0000000004CB0000-0x000000000559B000-memory.dmp family_glupteba behavioral1/memory/1844-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1844-4-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1844-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1844-58-0x0000000004CB0000-0x000000000559B000-memory.dmp family_glupteba behavioral1/memory/1844-56-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4880-85-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4880-140-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4944-165-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4944-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4944-236-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4944-239-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4944-242-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4944-245-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4944-248-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4944-251-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4944-254-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4944-257-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4944-260-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4836 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4944 csrss.exe 3176 injector.exe 3892 windefender.exe 3708 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023526-229.dat upx behavioral1/memory/3892-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3708-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3892-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3708-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3708-244-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe File created C:\Windows\rss\csrss.exe 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.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 552 sc.exe -
pid Process 1592 powershell.exe 4524 powershell.exe 3108 powershell.exe 4960 powershell.exe 1248 powershell.exe 3556 powershell.exe 3628 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 2912 schtasks.exe 3192 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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,-2571 = "Turks and Caicos Daylight Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.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,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1248 powershell.exe 1248 powershell.exe 1248 powershell.exe 1844 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 1844 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 3556 powershell.exe 3556 powershell.exe 3556 powershell.exe 4880 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 4880 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 4880 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 4880 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 4880 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 4880 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 4880 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 4880 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 4880 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 4880 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 3628 powershell.exe 3628 powershell.exe 3628 powershell.exe 1592 powershell.exe 1592 powershell.exe 1592 powershell.exe 4524 powershell.exe 4524 powershell.exe 4524 powershell.exe 3108 powershell.exe 3108 powershell.exe 3108 powershell.exe 4960 powershell.exe 4960 powershell.exe 4960 powershell.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 4944 csrss.exe 4944 csrss.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 4944 csrss.exe 4944 csrss.exe 3176 injector.exe 3176 injector.exe 4944 csrss.exe 4944 csrss.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1248 powershell.exe Token: SeDebugPrivilege 1844 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Token: SeImpersonatePrivilege 1844 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Token: SeDebugPrivilege 3556 powershell.exe Token: SeDebugPrivilege 3628 powershell.exe Token: SeDebugPrivilege 1592 powershell.exe Token: SeDebugPrivilege 4524 powershell.exe Token: SeDebugPrivilege 3108 powershell.exe Token: SeDebugPrivilege 4960 powershell.exe Token: SeSystemEnvironmentPrivilege 4944 csrss.exe Token: SeSecurityPrivilege 552 sc.exe Token: SeSecurityPrivilege 552 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1844 wrote to memory of 1248 1844 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 104 PID 1844 wrote to memory of 1248 1844 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 104 PID 1844 wrote to memory of 1248 1844 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 104 PID 4880 wrote to memory of 3556 4880 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 109 PID 4880 wrote to memory of 3556 4880 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 109 PID 4880 wrote to memory of 3556 4880 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 109 PID 4880 wrote to memory of 4904 4880 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 111 PID 4880 wrote to memory of 4904 4880 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 111 PID 4904 wrote to memory of 4836 4904 cmd.exe 113 PID 4904 wrote to memory of 4836 4904 cmd.exe 113 PID 4880 wrote to memory of 3628 4880 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 115 PID 4880 wrote to memory of 3628 4880 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 115 PID 4880 wrote to memory of 3628 4880 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 115 PID 4880 wrote to memory of 1592 4880 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 117 PID 4880 wrote to memory of 1592 4880 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 117 PID 4880 wrote to memory of 1592 4880 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 117 PID 4880 wrote to memory of 4944 4880 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 120 PID 4880 wrote to memory of 4944 4880 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 120 PID 4880 wrote to memory of 4944 4880 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 120 PID 4944 wrote to memory of 4524 4944 csrss.exe 121 PID 4944 wrote to memory of 4524 4944 csrss.exe 121 PID 4944 wrote to memory of 4524 4944 csrss.exe 121 PID 4944 wrote to memory of 3108 4944 csrss.exe 126 PID 4944 wrote to memory of 3108 4944 csrss.exe 126 PID 4944 wrote to memory of 3108 4944 csrss.exe 126 PID 4944 wrote to memory of 4960 4944 csrss.exe 129 PID 4944 wrote to memory of 4960 4944 csrss.exe 129 PID 4944 wrote to memory of 4960 4944 csrss.exe 129 PID 4944 wrote to memory of 3176 4944 csrss.exe 131 PID 4944 wrote to memory of 3176 4944 csrss.exe 131 PID 3892 wrote to memory of 2612 3892 windefender.exe 137 PID 3892 wrote to memory of 2612 3892 windefender.exe 137 PID 3892 wrote to memory of 2612 3892 windefender.exe 137 PID 2612 wrote to memory of 552 2612 cmd.exe 138 PID 2612 wrote to memory of 552 2612 cmd.exe 138 PID 2612 wrote to memory of 552 2612 cmd.exe 138 -
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\2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe"C:\Users\Admin\AppData\Local\Temp\2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1844 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1248
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C:\Users\Admin\AppData\Local\Temp\2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe"C:\Users\Admin\AppData\Local\Temp\2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.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:4880 -
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:3556
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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:4904 -
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:4836
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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:3628
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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:1592
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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:4944 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4524
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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:2912
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4412
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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:3108
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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:4960
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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:3176
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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:3192
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3892 -
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:2612 -
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:552
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4380,i,14648456027158448592,4956305794400220180,262144 --variations-seed-version --mojo-platform-channel-handle=3644 /prefetch:81⤵PID:4528
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3708
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD555810b45011af26a6870ce8b9b348ad6
SHA1439c97a03064228a1464aa48cc018c192c4013c3
SHA2569c513b382dd422f38da0e6e8b1c4aa3e1734ec428d7beca0dab2d303647c73e1
SHA5125e71b3986b9ca0f6e3371b3240c7e0614c117eb47913b3c9636a5093d55ebfd47b3ed73827b44d564ea335538064a7e25db388986a332fe1803f3e651de813b5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e860539253703b9ee177749fd3234aa5
SHA1ad63346ef821252225499a7efba180f25d41e934
SHA2563d7506780f1792c73577f55bc11e3a135b6ffccb44ea041ac1d873322d146f3b
SHA512596bb59dae6ed54c8765c24b8be914e3e8bac93a02237f03c1fb97eebd82ae3ee3b7abf8099855416ecf9e05d6ca322a7bba5e356b6a06a16e90b48d9caad058
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5955e6405b9c153167d46c4a545f9dd09
SHA1d5dd189c0b0c96248856a67dc67771be248dc6c2
SHA25646413c8c389c60ef523289115a3f82e84d80f5cee3b50b39e65097611ab466c5
SHA5128fe267a3d1a3f7c5d9f9d4692499b8e50f0cf67bd984a410adf56fcd35b8e79fc33ec48766a3a8cc9ce57a6e70976e98255b5408bef07ff62f541f5d3ad4a6f6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f13fc5ed43edfe32ae1e0f20bb582f5e
SHA1a5943059fa62465972ed969185cc65647479ddd7
SHA2567b9e512c70247b08d8710813c6a60e96dfb5fed5128ad4ee75e4115cb35db2f2
SHA5122ce0a7416b7d420c84da11953e31513ef60b5c00465b563268ab3640067893e4caad700b1437925749ef0e6bcd7e98ce8fbd2f4e4faa24194783163dde5d4843
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b5a9ca3c04d47d26408914dcc2e22e9f
SHA1fe94b0ae0cd88b667e88a5446c26ac84013a919b
SHA256e51cdd8667ae35f8c40c70b3d0c272d73b6ddaf4bab3584b048ceaaf50c5b867
SHA512737e0da34bcc8664275ae0aa46c300dddd506ed8cde83c29641dd25aa51b4d407d4fcbf2535c838afe149a19e7808bb2da90ef1d6e18e1daeff350e7796e5080
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Filesize
4.1MB
MD520ebad5407f7a33b14f17c8e419f37a5
SHA1f84a95d7360b8c7e8673500bc3fd91fde46ee8ee
SHA2562ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2
SHA512abc2309a32056b9070dc41b9eb695d7716329227a6447769dd0b5d20c944afb1dd549818ec55f6da8c0260c1f49675098fd9f5b37808d5eb0306e2452b9c85a8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec