Analysis
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max time kernel
150s -
max time network
131s -
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 20:43
Static task
static1
Behavioral task
behavioral1
Sample
335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe
Resource
win10v2004-20240508-en
General
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Target
335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe
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Size
4.1MB
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MD5
0258446e9cc82bd20999e1e8d701b831
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SHA1
beafc426eb72ae3f240541e9a30b11a48475bfe9
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SHA256
335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2
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SHA512
84e026ece67db35297f1648c30920eb89b0e632981c794b63de3ddd4ae08e9d5dd49405b8d3df69218c88302e3b8a0933b7cd892dbf11f9b0a9fe410e58052c5
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SSDEEP
98304:b7sgfTqZm7fywQIpjGUn+cmloZHued8miXbTsPufBvNc:bzgmDywQg+foZ8mw6SO
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/4984-2-0x00000000049D0000-0x00000000052BB000-memory.dmp family_glupteba behavioral1/memory/4984-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4984-81-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4984-127-0x00000000049D0000-0x00000000052BB000-memory.dmp family_glupteba behavioral1/memory/3600-132-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4984-185-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3976-209-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3976-225-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3976-227-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3976-230-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3976-233-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3976-236-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3976-239-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3976-242-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3976-245-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3976-248-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3976-251-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3976-254-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3976-257-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4104 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3976 csrss.exe 4448 injector.exe 3776 windefender.exe 3920 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x00090000000233ad-218.dat upx behavioral1/memory/3776-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3920-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3776-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3920-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3920-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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.
Processes:
335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe -
Drops file in Windows directory 4 IoCs
Processes:
335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.execsrss.exedescription ioc Process File created C:\Windows\rss\csrss.exe 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.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 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 1852 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 348 powershell.exe 3452 powershell.exe 3772 powershell.exe 4672 powershell.exe 4424 powershell.exe 2692 powershell.exe 1144 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 4628 schtasks.exe 4168 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exewindefender.exe335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.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\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.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\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.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,-2872 = "Magallanes Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.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,-1661 = "Bahia Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exepowershell.exe335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 348 powershell.exe 348 powershell.exe 4984 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 4984 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 3452 powershell.exe 3452 powershell.exe 3600 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 3600 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 3600 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 3600 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 3600 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 3600 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 3600 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 3600 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 3600 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 3600 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 3772 powershell.exe 3772 powershell.exe 3772 powershell.exe 4672 powershell.exe 4672 powershell.exe 4672 powershell.exe 4424 powershell.exe 4424 powershell.exe 4424 powershell.exe 2692 powershell.exe 2692 powershell.exe 1144 powershell.exe 1144 powershell.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 3976 csrss.exe 3976 csrss.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 3976 csrss.exe 3976 csrss.exe 4448 injector.exe 4448 injector.exe 3976 csrss.exe 3976 csrss.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 348 powershell.exe Token: SeDebugPrivilege 4984 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Token: SeImpersonatePrivilege 4984 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Token: SeDebugPrivilege 3452 powershell.exe Token: SeDebugPrivilege 3772 powershell.exe Token: SeDebugPrivilege 4672 powershell.exe Token: SeDebugPrivilege 4424 powershell.exe Token: SeDebugPrivilege 2692 powershell.exe Token: SeDebugPrivilege 1144 powershell.exe Token: SeSystemEnvironmentPrivilege 3976 csrss.exe Token: SeSecurityPrivilege 1852 sc.exe Token: SeSecurityPrivilege 1852 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4984 wrote to memory of 348 4984 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 84 PID 4984 wrote to memory of 348 4984 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 84 PID 4984 wrote to memory of 348 4984 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 84 PID 3600 wrote to memory of 3452 3600 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 95 PID 3600 wrote to memory of 3452 3600 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 95 PID 3600 wrote to memory of 3452 3600 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 95 PID 3600 wrote to memory of 3764 3600 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 99 PID 3600 wrote to memory of 3764 3600 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 99 PID 3764 wrote to memory of 4104 3764 cmd.exe 101 PID 3764 wrote to memory of 4104 3764 cmd.exe 101 PID 3600 wrote to memory of 3772 3600 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 102 PID 3600 wrote to memory of 3772 3600 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 102 PID 3600 wrote to memory of 3772 3600 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 102 PID 3600 wrote to memory of 4672 3600 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 106 PID 3600 wrote to memory of 4672 3600 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 106 PID 3600 wrote to memory of 4672 3600 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 106 PID 3600 wrote to memory of 3976 3600 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 109 PID 3600 wrote to memory of 3976 3600 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 109 PID 3600 wrote to memory of 3976 3600 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 109 PID 3976 wrote to memory of 4424 3976 csrss.exe 110 PID 3976 wrote to memory of 4424 3976 csrss.exe 110 PID 3976 wrote to memory of 4424 3976 csrss.exe 110 PID 3976 wrote to memory of 2692 3976 csrss.exe 116 PID 3976 wrote to memory of 2692 3976 csrss.exe 116 PID 3976 wrote to memory of 2692 3976 csrss.exe 116 PID 3976 wrote to memory of 1144 3976 csrss.exe 118 PID 3976 wrote to memory of 1144 3976 csrss.exe 118 PID 3976 wrote to memory of 1144 3976 csrss.exe 118 PID 3976 wrote to memory of 4448 3976 csrss.exe 120 PID 3976 wrote to memory of 4448 3976 csrss.exe 120 PID 3776 wrote to memory of 3484 3776 windefender.exe 127 PID 3776 wrote to memory of 3484 3776 windefender.exe 127 PID 3776 wrote to memory of 3484 3776 windefender.exe 127 PID 3484 wrote to memory of 1852 3484 cmd.exe 128 PID 3484 wrote to memory of 1852 3484 cmd.exe 128 PID 3484 wrote to memory of 1852 3484 cmd.exe 128 -
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\335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe"C:\Users\Admin\AppData\Local\Temp\335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4984 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:348
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C:\Users\Admin\AppData\Local\Temp\335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe"C:\Users\Admin\AppData\Local\Temp\335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.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:3600 -
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:3452
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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:3764 -
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:4104
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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:3772
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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:4672
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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:3976 -
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:4424
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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:4628
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4320
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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:2692
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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:1144
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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:4448
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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:4168
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3776 -
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:3484 -
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:1852
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3920
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
MD5a75b05a4bc54e2af0e203e144c1134ac
SHA1f703b3bda42249c31a457eede05ce494c382471a
SHA25626ecb24a3356c5438e740e858d88af3e0e5d871ad51c87e9158b84acdf253dfd
SHA512fee17e17e657fa75175d366729b2bf838c38419c0818dec250c0313e6f5863d5588ba07588a64bd83dbb6b86f3447c8d3297f3d3b03b38a228c7dad925a6344b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f2c6c124adc58ee9696a7e39836a16a9
SHA1f433486238f4288e6c5d73fe568af99ceb60a5ac
SHA256049e60409ca7308141ee122ab247a59e98b111005430d8fb7cc8a4454179b447
SHA5121a20417e58f7bcc2bbf010e32ca6aaf7f5cc7ff2e532b1ba62683612ba0c5b44de3e1bf49bbdc903771b896906e085e3f10232146975f8759ff0e9bafd120ba6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50506993c7d2b43320e17b1a390e89d85
SHA1d5869cf3e1f04793e6bc46eea894b78e97810df0
SHA2569bdc2f137c73a183a7487cbb7d2201454c706af68d8cb4209d45eed2e26be714
SHA51295c98a316110f3b3636b1b0a7c2d0196242b685ff53d9a5ed4a8cde82aacc6e25344f8ad8a8f8229984f249049915fda14fb5522711f26a4ec5807580304a595
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5571930cff77553e5b5e7ba72e02fa99d
SHA151e3304ca35ee61bc1a28a335209e8bbd06e378a
SHA256327da70fc3de894c456b891a633205e5f6f67ae5004667c6e6c2a057295e7c55
SHA512b272942067c541d08250363af01166ef2e44d6ef269049931fccb1d4384c5bf0ad8a3e6de941e0c7535d24a6bcf881b20877f809d65245c834c580cc72f4449d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a6b539dcdeaa8296205e55d48d39e28e
SHA1afe58e43501737ffae20f0346f54e1792c2100d0
SHA256d9d1ecc646c43ba936307fb6e52962b90b5e5a1857ea18406a61969d2902e0c7
SHA5125bd64a52dfea2a2d15577a246d967421ecc3aacb90ebca661d264105b99b012ee6449bc0290bed37f898a322683f333151b9955c71dcd121980688a0abf3ea70
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Filesize
4.1MB
MD50258446e9cc82bd20999e1e8d701b831
SHA1beafc426eb72ae3f240541e9a30b11a48475bfe9
SHA256335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2
SHA51284e026ece67db35297f1648c30920eb89b0e632981c794b63de3ddd4ae08e9d5dd49405b8d3df69218c88302e3b8a0933b7cd892dbf11f9b0a9fe410e58052c5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec