Analysis
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max time kernel
150s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
28/03/2024, 05:59
Static task
static1
Behavioral task
behavioral1
Sample
d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe
Resource
win10v2004-20240226-en
General
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Target
d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe
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Size
4.2MB
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MD5
f3f360c663a3ec6be8a8860bdeea011d
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SHA1
3ca219cb18010bde368479fd2b29c031d2b9536b
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SHA256
d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c
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SHA512
b5512e01987d8c5c61ecd362d8a010f9f3f37cbb76858a34b40646f706545a833298fca29e72044f13ef3db9b3e862b791902271076cd45ac2de47823571768a
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SSDEEP
98304:S/qQTbizf157Dp+Hd1ofw/HTJIxtHhuTcawwpbN+A+d2:S/u57Dp6oIHTuxG9wwpbNZ
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/916-2-0x0000000003070000-0x000000000395B000-memory.dmp family_glupteba behavioral1/memory/916-3-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/916-22-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/916-49-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/916-50-0x0000000003070000-0x000000000395B000-memory.dmp family_glupteba behavioral1/memory/916-58-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/4784-60-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/4784-91-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/4784-112-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/4784-126-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/4784-177-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/2240-211-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/2240-261-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/2240-271-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/2240-274-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/2240-276-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/2240-279-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/2240-282-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/2240-285-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/2240-289-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1828 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2240 csrss.exe 3560 injector.exe 5060 windefender.exe 4864 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023283-265.dat upx behavioral1/memory/5060-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4864-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4864-280-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.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 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 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 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe File created C:\Windows\rss\csrss.exe d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.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 4772 sc.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 4552 schtasks.exe 4000 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,-2041 = "Eastern Daylight Time (Mexico)" d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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\22\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.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\22\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\22\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic 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,-621 = "Korea Daylight Time" d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe 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\22\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2968 powershell.exe 2968 powershell.exe 2968 powershell.exe 916 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 916 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 3920 powershell.exe 3920 powershell.exe 3920 powershell.exe 4784 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 4784 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 4784 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 4784 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 4784 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 4784 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 4784 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 4784 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 4784 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 4784 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 736 powershell.exe 736 powershell.exe 736 powershell.exe 3980 powershell.exe 3980 powershell.exe 3980 powershell.exe 3788 powershell.exe 3788 powershell.exe 3788 powershell.exe 2224 powershell.exe 2224 powershell.exe 2224 powershell.exe 4496 powershell.exe 4496 powershell.exe 4496 powershell.exe 3560 injector.exe 3560 injector.exe 3560 injector.exe 3560 injector.exe 3560 injector.exe 3560 injector.exe 2240 csrss.exe 2240 csrss.exe 3560 injector.exe 3560 injector.exe 3560 injector.exe 3560 injector.exe 3560 injector.exe 3560 injector.exe 2240 csrss.exe 2240 csrss.exe 3560 injector.exe 3560 injector.exe 3560 injector.exe 3560 injector.exe 2240 csrss.exe 2240 csrss.exe 3560 injector.exe 3560 injector.exe 3560 injector.exe 3560 injector.exe 3560 injector.exe 3560 injector.exe 3560 injector.exe 3560 injector.exe 3560 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2968 powershell.exe Token: SeDebugPrivilege 916 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe Token: SeImpersonatePrivilege 916 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe Token: SeDebugPrivilege 3920 powershell.exe Token: SeDebugPrivilege 736 powershell.exe Token: SeDebugPrivilege 3980 powershell.exe Token: SeDebugPrivilege 3788 powershell.exe Token: SeDebugPrivilege 2224 powershell.exe Token: SeDebugPrivilege 4496 powershell.exe Token: SeSystemEnvironmentPrivilege 2240 csrss.exe Token: SeSecurityPrivilege 4772 sc.exe Token: SeSecurityPrivilege 4772 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 916 wrote to memory of 2968 916 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 95 PID 916 wrote to memory of 2968 916 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 95 PID 916 wrote to memory of 2968 916 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 95 PID 4784 wrote to memory of 3920 4784 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 105 PID 4784 wrote to memory of 3920 4784 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 105 PID 4784 wrote to memory of 3920 4784 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 105 PID 4784 wrote to memory of 4288 4784 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 108 PID 4784 wrote to memory of 4288 4784 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 108 PID 4288 wrote to memory of 1828 4288 cmd.exe 110 PID 4288 wrote to memory of 1828 4288 cmd.exe 110 PID 4784 wrote to memory of 736 4784 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 111 PID 4784 wrote to memory of 736 4784 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 111 PID 4784 wrote to memory of 736 4784 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 111 PID 4784 wrote to memory of 3980 4784 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 114 PID 4784 wrote to memory of 3980 4784 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 114 PID 4784 wrote to memory of 3980 4784 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 114 PID 4784 wrote to memory of 2240 4784 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 116 PID 4784 wrote to memory of 2240 4784 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 116 PID 4784 wrote to memory of 2240 4784 d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe 116 PID 2240 wrote to memory of 3788 2240 csrss.exe 117 PID 2240 wrote to memory of 3788 2240 csrss.exe 117 PID 2240 wrote to memory of 3788 2240 csrss.exe 117 PID 2240 wrote to memory of 2224 2240 csrss.exe 122 PID 2240 wrote to memory of 2224 2240 csrss.exe 122 PID 2240 wrote to memory of 2224 2240 csrss.exe 122 PID 2240 wrote to memory of 4496 2240 csrss.exe 125 PID 2240 wrote to memory of 4496 2240 csrss.exe 125 PID 2240 wrote to memory of 4496 2240 csrss.exe 125 PID 2240 wrote to memory of 3560 2240 csrss.exe 127 PID 2240 wrote to memory of 3560 2240 csrss.exe 127 PID 5060 wrote to memory of 2184 5060 windefender.exe 133 PID 5060 wrote to memory of 2184 5060 windefender.exe 133 PID 5060 wrote to memory of 2184 5060 windefender.exe 133 PID 2184 wrote to memory of 4772 2184 cmd.exe 134 PID 2184 wrote to memory of 4772 2184 cmd.exe 134 PID 2184 wrote to memory of 4772 2184 cmd.exe 134 -
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\d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe"C:\Users\Admin\AppData\Local\Temp\d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:916 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2968
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C:\Users\Admin\AppData\Local\Temp\d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.exe"C:\Users\Admin\AppData\Local\Temp\d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c.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:4784 -
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:3920
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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:4288 -
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:1828
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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:736
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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:3980
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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:2240 -
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:3788
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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:4552
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3968
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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:2224
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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:4496
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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:3560
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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:4000
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5060 -
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:2184 -
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:4772
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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 --mojo-platform-channel-handle=3944 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:81⤵PID:2452
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4864
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
MD54beba1712aaaff7cd8ae58079ea570a4
SHA1ca0f3f14fd517b8b670515501e9727ec18db9657
SHA256910ba6217311dd96c7a153124cedf38d66d2b513cc155b593bfa7497593ee220
SHA5125a1a48fcfccc368c00c6ad984737678e199e4c0d17ad648de8c2725aae49f926b55e05b50bb860a6b6ec39096bd93182f1d72573b51ec52e076831a6f62b9e4e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50c5ed56768f46e56c9df97ffacab74e1
SHA10d31b498f24b01964d845aa9cd7c565925f9066f
SHA256cfcc62afb5a02235b5a2bcc8ef17afeb51a6f573c0ecf00f93accfdf3638190d
SHA5125d2d634b7b6350ced2169489f2bb342a7d1260c946cc2dcc1cc5cedbe46d2a8cda9854a922e9fa3ffab8945395aac2ddd9a479fadc30c3af731676fb541aefaa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57f6ca37c0ffb9560d9b784cc0f78ed25
SHA1341467a2d242c8e59508045592e958f08f71ce9a
SHA256db96f68683b37e1af4657c6a419763ce157a6d2fa3f646650405854f38da3d07
SHA5121270c5dacf34a51d5eba9a2e766f579ae597ff805e7310476e114479c6e92b20847c4ded1ee766561a2c14919ffdd47fcc019dc6ac54f3e9c521e25f9bafa4ab
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cc4236e531f666b6ed956c6fdd03fbbd
SHA1192e403aa7b5e9d2e09488b3f28088b568a0d768
SHA256b8c22c77df793d57efaf709a3f48c53e2aaf2c30db0d571a21bc1ebfc3153f70
SHA512deddb18cca8aa85a873c896a3d78c7464017334211761f1ef69641ae076cd47601eb892fa1f13bd8e48846426b4523ec0b8afdb3f629b13ec40d25615e3095d0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a4d17debcdc3f6e9034a27eac962be0b
SHA17f184c84522cfb15951b8d476bb3c1b98af63389
SHA2566855cd4eed53ebef91bfb5b2ac36934cc595e3be9ca5a8ed08cf377e8b104de8
SHA512c468f625c506753ab441e34048ad16ad3c00c42d9de03c337d6a0711891ff2a9db41044261706e26417f4fa2ae0911b3f610c3f2dcb1079176d1ec925866cc81
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Filesize
4.2MB
MD5f3f360c663a3ec6be8a8860bdeea011d
SHA13ca219cb18010bde368479fd2b29c031d2b9536b
SHA256d1671a9d35dd0b3d1d6ce05bb0019eb5c56206ed313aeb4b92c4105dc328a94c
SHA512b5512e01987d8c5c61ecd362d8a010f9f3f37cbb76858a34b40646f706545a833298fca29e72044f13ef3db9b3e862b791902271076cd45ac2de47823571768a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec