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Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
06/06/2023, 13:38
Static task
static1
General
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Target
37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe
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Size
4.1MB
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MD5
70123d18cf70b3e8ad0f6417b091afb8
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SHA1
855f57e602f011d1503c8602c20d696db5e26c72
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SHA256
37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1
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SHA512
6a9b8f5494a663091f33fe0906c98315ee6841640259d79ee7fe3c5188e13c026fd971caf05db16dca7a76de0162bad1520b672e0ca8b72aa7bbaa8caaf819f3
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SSDEEP
98304:F9YZmHRTuRTE0X9P5knHeOdPmhq8BW/X97z/WtPuuznvFw:FcmHF0dhkH5tGMn+G4nvG
Malware Config
Signatures
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Glupteba payload 16 IoCs
resource yara_rule behavioral1/memory/1716-117-0x0000000005310000-0x0000000005BFB000-memory.dmp family_glupteba behavioral1/memory/1716-266-0x0000000000400000-0x00000000030C9000-memory.dmp family_glupteba behavioral1/memory/1716-414-0x0000000000400000-0x00000000030C9000-memory.dmp family_glupteba behavioral1/memory/336-651-0x0000000000400000-0x00000000030C9000-memory.dmp family_glupteba behavioral1/memory/336-922-0x0000000000400000-0x00000000030C9000-memory.dmp family_glupteba behavioral1/memory/336-1148-0x0000000000400000-0x00000000030C9000-memory.dmp family_glupteba behavioral1/memory/1716-1399-0x0000000000400000-0x00000000030C9000-memory.dmp family_glupteba behavioral1/memory/1716-1669-0x0000000000400000-0x00000000030C9000-memory.dmp family_glupteba behavioral1/memory/1716-1888-0x0000000000400000-0x00000000030C9000-memory.dmp family_glupteba behavioral1/memory/1716-1896-0x0000000000400000-0x00000000030C9000-memory.dmp family_glupteba behavioral1/memory/1716-1898-0x0000000000400000-0x00000000030C9000-memory.dmp family_glupteba behavioral1/memory/1716-1900-0x0000000000400000-0x00000000030C9000-memory.dmp family_glupteba behavioral1/memory/1716-1902-0x0000000000400000-0x00000000030C9000-memory.dmp family_glupteba behavioral1/memory/1716-1904-0x0000000000400000-0x00000000030C9000-memory.dmp family_glupteba behavioral1/memory/1716-1906-0x0000000000400000-0x00000000030C9000-memory.dmp family_glupteba behavioral1/memory/1716-1908-0x0000000000400000-0x00000000030C9000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe = "0" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 3912 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1716 csrss.exe 4128 injector.exe 1316 windefender.exe 500 windefender.exe -
resource yara_rule behavioral1/files/0x000700000001aed8-1891.dat upx behavioral1/files/0x000700000001aed8-1892.dat upx behavioral1/files/0x000700000001aed8-1893.dat upx behavioral1/memory/1316-1894-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/500-1895-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/500-1901-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe = "0" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3853465373-1718857667-1861325682-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Set value (str) \REGISTRY\USER\S-1-5-21-3853465373-1718857667-1861325682-1000\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\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 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.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 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1564 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 3896 schtasks.exe 1364 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.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\1e\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.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\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\1e\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2128 powershell.exe 2128 powershell.exe 2128 powershell.exe 1716 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 1716 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 3464 powershell.exe 3464 powershell.exe 3464 powershell.exe 336 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 336 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 336 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 336 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 336 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 336 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 336 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 336 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 336 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 336 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 4956 powershell.exe 4956 powershell.exe 4956 powershell.exe 4420 powershell.exe 4420 powershell.exe 4420 powershell.exe 2920 powershell.exe 2920 powershell.exe 2920 powershell.exe 4596 powershell.exe 4596 powershell.exe 4596 powershell.exe 4704 powershell.exe 4704 powershell.exe 4704 powershell.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 1716 csrss.exe 1716 csrss.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 1716 csrss.exe 1716 csrss.exe 4128 injector.exe 4128 injector.exe 1716 csrss.exe 1716 csrss.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2128 powershell.exe Token: SeDebugPrivilege 1716 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Token: SeImpersonatePrivilege 1716 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe Token: SeDebugPrivilege 3464 powershell.exe Token: SeDebugPrivilege 4956 powershell.exe Token: SeDebugPrivilege 4420 powershell.exe Token: SeDebugPrivilege 2920 powershell.exe Token: SeDebugPrivilege 4596 powershell.exe Token: SeDebugPrivilege 4704 powershell.exe Token: SeSystemEnvironmentPrivilege 1716 csrss.exe Token: SeSecurityPrivilege 1564 sc.exe Token: SeSecurityPrivilege 1564 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1716 wrote to memory of 2128 1716 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 67 PID 1716 wrote to memory of 2128 1716 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 67 PID 1716 wrote to memory of 2128 1716 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 67 PID 336 wrote to memory of 3464 336 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 72 PID 336 wrote to memory of 3464 336 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 72 PID 336 wrote to memory of 3464 336 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 72 PID 336 wrote to memory of 3420 336 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 74 PID 336 wrote to memory of 3420 336 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 74 PID 3420 wrote to memory of 3912 3420 cmd.exe 76 PID 3420 wrote to memory of 3912 3420 cmd.exe 76 PID 336 wrote to memory of 4956 336 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 77 PID 336 wrote to memory of 4956 336 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 77 PID 336 wrote to memory of 4956 336 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 77 PID 336 wrote to memory of 4420 336 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 79 PID 336 wrote to memory of 4420 336 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 79 PID 336 wrote to memory of 4420 336 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 79 PID 336 wrote to memory of 1716 336 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 81 PID 336 wrote to memory of 1716 336 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 81 PID 336 wrote to memory of 1716 336 37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe 81 PID 1716 wrote to memory of 2920 1716 csrss.exe 82 PID 1716 wrote to memory of 2920 1716 csrss.exe 82 PID 1716 wrote to memory of 2920 1716 csrss.exe 82 PID 1716 wrote to memory of 4596 1716 csrss.exe 89 PID 1716 wrote to memory of 4596 1716 csrss.exe 89 PID 1716 wrote to memory of 4596 1716 csrss.exe 89 PID 1716 wrote to memory of 4704 1716 csrss.exe 91 PID 1716 wrote to memory of 4704 1716 csrss.exe 91 PID 1716 wrote to memory of 4704 1716 csrss.exe 91 PID 1716 wrote to memory of 4128 1716 csrss.exe 93 PID 1716 wrote to memory of 4128 1716 csrss.exe 93 PID 1316 wrote to memory of 4652 1316 windefender.exe 100 PID 1316 wrote to memory of 4652 1316 windefender.exe 100 PID 1316 wrote to memory of 4652 1316 windefender.exe 100 PID 4652 wrote to memory of 1564 4652 cmd.exe 101 PID 4652 wrote to memory of 1564 4652 cmd.exe 101 PID 4652 wrote to memory of 1564 4652 cmd.exe 101 -
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\37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe"C:\Users\Admin\AppData\Local\Temp\37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1716 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2128
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C:\Users\Admin\AppData\Local\Temp\37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe"C:\Users\Admin\AppData\Local\Temp\37ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1.exe"2⤵
- Windows security bypass
- Windows security modification
- 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:336 -
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:3464
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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:3420 -
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:3912
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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:4956
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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:4420
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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:1716 -
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:2920
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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:3896
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:588
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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:4596
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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:4704
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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:4128
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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:1364
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1316 -
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:4652 -
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:1564
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:500
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD51c19c16e21c97ed42d5beabc93391fc5
SHA18ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA2561bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
SHA5127d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5e21a7efdda5f86c8fc5ec0d6d057bc6e
SHA1e1152267e2931bcf69f6c2b825cc646994331f4b
SHA256aad9a06fa5c2a8e881c7e8d7be0ea9bf7398331aa7d46da929f364f53d83e780
SHA512563795577f484860e8f7f5b47801b519f22172464fa88a3ef9c31417a59a8267068fac482bb115e442c3f493ae2d98bae9416d8105704ed4cfd2205009395dc3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD540ff4841fe2e80f6b291f5404c66e689
SHA11c1100cfbf537d4950a432163aa71a6c5ed47840
SHA2569032e46cb4730727387b19190fc1d425f9732623bacbc3b4f0839d4189796deb
SHA512457efd6bbb89648c51fc921f850d724386553c13734fd7ae14fd64e8eca6f230f9cd848a01a9eb4e9432769b80617d653386c589019868957164beccdbc17050
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5e4da0c4705ec39aaf37328fcfda70924
SHA14b7a354c2a8fcd01594a80e79dd210e88191bd93
SHA2564146bf93e180b3cc4a89dd209f2926c166bfc588da6e2ab952889d1e3dfe1011
SHA5129134f9ffa1b944cb1c96b8c8c0ceeb466ba4151e44d09dd686bc275ad04fd74947fa6b833d2ba724d034ea5da358cbecb4f58692d2e119ea6831c29cc15daf81
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD54ae17f817501587a4b7d992f897b9d7c
SHA1093ddf57678246eb0de095a3ef949ad4d210b317
SHA25697520e73c2bc92a2d1a7b200574a90f89109aef36a30fb3f0eb4bef359f36457
SHA512b4adb6a59d18301d241f6e83ad8d2ef0afcbee48d8a543ee140f81922ecd39ab535e976774d4b17b14fa722829856c204f01f0dc20c41a1b7859d53b47aa0a5f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD52365eee6d84d3317c6f68ef69d4f6b09
SHA142ec1836f3f81f11a578010c2542dcb761c5bd19
SHA256c4fe6d22d1bd52c014c6d72819a2efc3f5e06a482e58e9e5999c6d6eb608ddf1
SHA5125f232657cf0ea8484365a0c9bbecd3b00730eac686c76667a93e5e3a79bf0e4117a079f92c141b9cbd3505b6e3f5f7b4b9c3510f7c59f47c901f6ecd97f59849
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Filesize
4.1MB
MD570123d18cf70b3e8ad0f6417b091afb8
SHA1855f57e602f011d1503c8602c20d696db5e26c72
SHA25637ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1
SHA5126a9b8f5494a663091f33fe0906c98315ee6841640259d79ee7fe3c5188e13c026fd971caf05db16dca7a76de0162bad1520b672e0ca8b72aa7bbaa8caaf819f3
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Filesize
4.1MB
MD570123d18cf70b3e8ad0f6417b091afb8
SHA1855f57e602f011d1503c8602c20d696db5e26c72
SHA25637ac5f80121b6b234842a920c78d135eff3f383e69b99deed400701a399705a1
SHA5126a9b8f5494a663091f33fe0906c98315ee6841640259d79ee7fe3c5188e13c026fd971caf05db16dca7a76de0162bad1520b672e0ca8b72aa7bbaa8caaf819f3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec