Analysis
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max time kernel
149s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 21:47
Static task
static1
Behavioral task
behavioral1
Sample
9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe
Resource
win10v2004-20240508-en
General
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Target
9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe
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Size
4.1MB
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MD5
b784a3fd5fdf22523b74e62cfa76a23f
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SHA1
1cee754951083efbe6f65a01bd34844ce8b5a874
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SHA256
9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2
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SHA512
4d21e4f73f6da2eac324341afe7b080610001a91d81f33d3b10b39108e8383050360acd5d21858afbebaa079e70a8d3d4f0e2f70d0c1a3eaf0bf294723fea795
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SSDEEP
98304:kX33DbWGkLHuFK+TwQmBC6reQ4TTNXYvI8KgvjrB0rJ:kXPWAwQyCdJYw8KggJ
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3816-2-0x0000000004AB0000-0x000000000539B000-memory.dmp family_glupteba behavioral1/memory/3816-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3816-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3816-54-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3816-57-0x0000000004AB0000-0x000000000539B000-memory.dmp family_glupteba behavioral1/memory/5108-134-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3996-219-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3996-228-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3996-229-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3996-231-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3996-233-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3996-236-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3996-237-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3996-239-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3996-241-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3996-244-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3996-245-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3996-247-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3996-249-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2000 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3996 csrss.exe 4452 injector.exe 516 windefender.exe 1416 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002341f-222.dat upx behavioral1/memory/516-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/516-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1416-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1416-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1416-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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 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 File created 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 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.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 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1448 sc.exe -
pid Process 1908 powershell.exe 3632 powershell.exe 4904 powershell.exe 2944 powershell.exe 3316 powershell.exe 3628 powershell.exe 3180 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 4120 schtasks.exe 2856 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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,-1662 = "Bahia Standard Time" 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.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,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.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\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4904 powershell.exe 4904 powershell.exe 3816 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 3816 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 2944 powershell.exe 2944 powershell.exe 2944 powershell.exe 5108 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 5108 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 5108 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 5108 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 5108 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 5108 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 5108 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 5108 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 5108 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 5108 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 3316 powershell.exe 3316 powershell.exe 3316 powershell.exe 3628 powershell.exe 3628 powershell.exe 3180 powershell.exe 3180 powershell.exe 1908 powershell.exe 1908 powershell.exe 3632 powershell.exe 3632 powershell.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 3996 csrss.exe 3996 csrss.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 3996 csrss.exe 3996 csrss.exe 4452 injector.exe 4452 injector.exe 3996 csrss.exe 3996 csrss.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4904 powershell.exe Token: SeDebugPrivilege 3816 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe Token: SeImpersonatePrivilege 3816 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe Token: SeDebugPrivilege 2944 powershell.exe Token: SeDebugPrivilege 3316 powershell.exe Token: SeDebugPrivilege 3628 powershell.exe Token: SeDebugPrivilege 3180 powershell.exe Token: SeDebugPrivilege 1908 powershell.exe Token: SeDebugPrivilege 3632 powershell.exe Token: SeSystemEnvironmentPrivilege 3996 csrss.exe Token: SeSecurityPrivilege 1448 sc.exe Token: SeSecurityPrivilege 1448 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3816 wrote to memory of 4904 3816 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 84 PID 3816 wrote to memory of 4904 3816 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 84 PID 3816 wrote to memory of 4904 3816 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 84 PID 5108 wrote to memory of 2944 5108 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 97 PID 5108 wrote to memory of 2944 5108 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 97 PID 5108 wrote to memory of 2944 5108 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 97 PID 5108 wrote to memory of 3664 5108 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 101 PID 5108 wrote to memory of 3664 5108 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 101 PID 3664 wrote to memory of 2000 3664 cmd.exe 103 PID 3664 wrote to memory of 2000 3664 cmd.exe 103 PID 5108 wrote to memory of 3316 5108 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 104 PID 5108 wrote to memory of 3316 5108 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 104 PID 5108 wrote to memory of 3316 5108 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 104 PID 5108 wrote to memory of 3628 5108 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 107 PID 5108 wrote to memory of 3628 5108 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 107 PID 5108 wrote to memory of 3628 5108 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 107 PID 5108 wrote to memory of 3996 5108 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 109 PID 5108 wrote to memory of 3996 5108 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 109 PID 5108 wrote to memory of 3996 5108 9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe 109 PID 3996 wrote to memory of 3180 3996 csrss.exe 110 PID 3996 wrote to memory of 3180 3996 csrss.exe 110 PID 3996 wrote to memory of 3180 3996 csrss.exe 110 PID 3996 wrote to memory of 1908 3996 csrss.exe 116 PID 3996 wrote to memory of 1908 3996 csrss.exe 116 PID 3996 wrote to memory of 1908 3996 csrss.exe 116 PID 3996 wrote to memory of 3632 3996 csrss.exe 118 PID 3996 wrote to memory of 3632 3996 csrss.exe 118 PID 3996 wrote to memory of 3632 3996 csrss.exe 118 PID 3996 wrote to memory of 4452 3996 csrss.exe 120 PID 3996 wrote to memory of 4452 3996 csrss.exe 120 PID 516 wrote to memory of 4396 516 windefender.exe 129 PID 516 wrote to memory of 4396 516 windefender.exe 129 PID 516 wrote to memory of 4396 516 windefender.exe 129 PID 4396 wrote to memory of 1448 4396 cmd.exe 130 PID 4396 wrote to memory of 1448 4396 cmd.exe 130 PID 4396 wrote to memory of 1448 4396 cmd.exe 130 -
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\9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe"C:\Users\Admin\AppData\Local\Temp\9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3816 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4904
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C:\Users\Admin\AppData\Local\Temp\9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.exe"C:\Users\Admin\AppData\Local\Temp\9ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2.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:5108 -
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:2944
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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:3664 -
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:2000
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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:3316
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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\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:3996 -
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:3180
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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:4120
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3572
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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:1908
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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:3632
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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:4452
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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:2856
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:516 -
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:4396 -
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:1448
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1416
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c77677bee46d87a8cf1f654f79241774
SHA1f8b0be73a65b9f4540453151f264987260ca7e2b
SHA256463dcaf96579a670923067aaf069d175e9d200f3769ae8400439be0e7f2c6b82
SHA512f29e5277ec254de234656c23e694c4b43cb704113e500fc605bebb71fa43aff3a303962547700053c6da1dbf774b59723f00e617f1aa3d096cbe016afb30fae2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53112abf854a30e4bebec48b9a05d6039
SHA10573fbd1606dba00c77b577b0ccc9f560e14634c
SHA256b47fc5dbc3bad4838f8b9e27f9e3d18a22aa5b95e4c548520858ff1c859fb59a
SHA512c251c02ddacf5e0bdc0bcb86665997e7f990fccb48f97146d010370a1d6a128d3f0a450d9ddc6dc6c9dbc7bca907ac6e8a159fb8451b125ae0e601a48530145a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56821df0ee498ea84e826367876438661
SHA18dc38fcceb3d02458431875845c890e87d276a06
SHA256103d762424e5d73b733a31a811501cd116b59359984eb48dff6189fef2dd6db0
SHA51224db2b899c1100615f72ffdaaa13f417d5ceaf6bcd2437312c5c14aed19d8e56cd0634768c65e4166150d2386f124076eaa25ef19113e750f1656364205dd41c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cde89240725ca3896fcc8af729e1fe51
SHA19118eb63a1be222b255bb5e69c5e0abf0d8433aa
SHA256d029e775f734d92576906dedecaeaefa1c44d4fd4c0633cb2da4931c211396d0
SHA51203e2cce410848a677c8520d92541ef540cec645a36872061e61439da6d152e50792f6b0e3f27767ef0cbe057d41d8976e52635b13469a271baf3f30ebf174101
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e6dd4ac9eefa15613d980ec763721c98
SHA1baf781d94813cf9f146604462eff93fc42a6bdf7
SHA256037adc65af615055411116fee992c908f7e0251a516a09f855cf4d9d423d6791
SHA51242d3d05144b89256c94d14412de245e6c6388938d9e0e66d732213a122619ec678d4b67ff1b26f1688864258fe52de93cffb8aef53ac2437eae78711a87f0130
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Filesize
4.1MB
MD5b784a3fd5fdf22523b74e62cfa76a23f
SHA11cee754951083efbe6f65a01bd34844ce8b5a874
SHA2569ef078c3fe1cf6d52966304c89ad98707bc3427a30a2385620b37612f7138ff2
SHA5124d21e4f73f6da2eac324341afe7b080610001a91d81f33d3b10b39108e8383050360acd5d21858afbebaa079e70a8d3d4f0e2f70d0c1a3eaf0bf294723fea795
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec