Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 19:17
Static task
static1
Behavioral task
behavioral1
Sample
3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe
Resource
win10v2004-20240412-en
General
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Target
3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe
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Size
4.2MB
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MD5
7e248f25f0af33ccd8993bd7f5c4a121
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SHA1
c4cdb88b61822c245445e680d2369a9b5417cab8
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SHA256
3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503
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SHA512
3d85d9cf79dce74e75a712fe2ae781a7859c380485d5c60f5a8de8f9e26639e5a8e66f6462f4effb7c2d6441668a6e7c03122f4275db3e931a8949891e55e7dc
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SSDEEP
98304:TtwUIgr6Tu/hivXD0fl0IvZVjhgp1+mYFjvUcmYnimsjZaHe9:Rw6rquKXDtU1Y2GYniVjUHI
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2660-2-0x0000000004150000-0x0000000004A3B000-memory.dmp family_glupteba behavioral1/memory/2660-3-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/2660-58-0x0000000004150000-0x0000000004A3B000-memory.dmp family_glupteba behavioral1/memory/4852-59-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/2660-60-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4852-160-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1932-264-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1932-268-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1932-274-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1932-276-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1932-278-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1932-280-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1932-282-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1932-284-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1932-286-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1932-288-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1932-290-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1932-292-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1932-294-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3812 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1932 csrss.exe 1304 injector.exe 2748 windefender.exe 3632 windefender.exe -
resource yara_rule behavioral1/files/0x000900000002342e-267.dat upx behavioral1/memory/2748-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3632-275-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3632-279-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log 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 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe File created C:\Windows\rss\csrss.exe 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3036 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 4388 2660 WerFault.exe 84 1452 4852 WerFault.exe 97 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1496 schtasks.exe 4580 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\26\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\26\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\26\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2832 powershell.exe 2832 powershell.exe 2660 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 2660 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 4644 powershell.exe 4644 powershell.exe 4644 powershell.exe 4852 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 4852 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 4852 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 4852 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 4852 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 4852 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 4852 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 4852 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 4852 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 4852 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 4500 powershell.exe 4500 powershell.exe 4500 powershell.exe 4156 powershell.exe 4156 powershell.exe 4156 powershell.exe 4696 powershell.exe 4696 powershell.exe 4696 powershell.exe 3432 powershell.exe 3432 powershell.exe 3432 powershell.exe 3324 powershell.exe 3324 powershell.exe 3324 powershell.exe 1304 injector.exe 1304 injector.exe 1304 injector.exe 1304 injector.exe 1304 injector.exe 1304 injector.exe 1932 csrss.exe 1932 csrss.exe 1304 injector.exe 1304 injector.exe 1304 injector.exe 1304 injector.exe 1304 injector.exe 1304 injector.exe 1932 csrss.exe 1932 csrss.exe 1304 injector.exe 1304 injector.exe 1304 injector.exe 1304 injector.exe 1304 injector.exe 1304 injector.exe 1304 injector.exe 1304 injector.exe 1304 injector.exe 1304 injector.exe 1932 csrss.exe 1932 csrss.exe 1304 injector.exe 1304 injector.exe 1304 injector.exe 1304 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2832 powershell.exe Token: SeDebugPrivilege 2660 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe Token: SeImpersonatePrivilege 2660 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe Token: SeDebugPrivilege 4644 powershell.exe Token: SeDebugPrivilege 4500 powershell.exe Token: SeDebugPrivilege 4156 powershell.exe Token: SeDebugPrivilege 4696 powershell.exe Token: SeDebugPrivilege 3432 powershell.exe Token: SeDebugPrivilege 3324 powershell.exe Token: SeSystemEnvironmentPrivilege 1932 csrss.exe Token: SeSecurityPrivilege 3036 sc.exe Token: SeSecurityPrivilege 3036 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2660 wrote to memory of 2832 2660 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 88 PID 2660 wrote to memory of 2832 2660 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 88 PID 2660 wrote to memory of 2832 2660 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 88 PID 4852 wrote to memory of 4644 4852 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 101 PID 4852 wrote to memory of 4644 4852 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 101 PID 4852 wrote to memory of 4644 4852 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 101 PID 4852 wrote to memory of 3168 4852 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 106 PID 4852 wrote to memory of 3168 4852 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 106 PID 3168 wrote to memory of 3812 3168 cmd.exe 108 PID 3168 wrote to memory of 3812 3168 cmd.exe 108 PID 4852 wrote to memory of 4500 4852 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 109 PID 4852 wrote to memory of 4500 4852 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 109 PID 4852 wrote to memory of 4500 4852 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 109 PID 4852 wrote to memory of 4156 4852 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 111 PID 4852 wrote to memory of 4156 4852 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 111 PID 4852 wrote to memory of 4156 4852 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 111 PID 4852 wrote to memory of 1932 4852 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 114 PID 4852 wrote to memory of 1932 4852 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 114 PID 4852 wrote to memory of 1932 4852 3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe 114 PID 1932 wrote to memory of 4696 1932 csrss.exe 117 PID 1932 wrote to memory of 4696 1932 csrss.exe 117 PID 1932 wrote to memory of 4696 1932 csrss.exe 117 PID 1932 wrote to memory of 3432 1932 csrss.exe 123 PID 1932 wrote to memory of 3432 1932 csrss.exe 123 PID 1932 wrote to memory of 3432 1932 csrss.exe 123 PID 1932 wrote to memory of 3324 1932 csrss.exe 125 PID 1932 wrote to memory of 3324 1932 csrss.exe 125 PID 1932 wrote to memory of 3324 1932 csrss.exe 125 PID 1932 wrote to memory of 1304 1932 csrss.exe 127 PID 1932 wrote to memory of 1304 1932 csrss.exe 127 PID 2748 wrote to memory of 1812 2748 windefender.exe 135 PID 2748 wrote to memory of 1812 2748 windefender.exe 135 PID 2748 wrote to memory of 1812 2748 windefender.exe 135 PID 1812 wrote to memory of 3036 1812 cmd.exe 136 PID 1812 wrote to memory of 3036 1812 cmd.exe 136 PID 1812 wrote to memory of 3036 1812 cmd.exe 136 -
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\3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe"C:\Users\Admin\AppData\Local\Temp\3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2660 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2832
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C:\Users\Admin\AppData\Local\Temp\3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.exe"C:\Users\Admin\AppData\Local\Temp\3c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503.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:4852 -
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:4644
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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:3168 -
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:3812
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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:4500
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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:4156
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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:1932 -
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:4696
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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:1496
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1672
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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:3432
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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:3324
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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:1304
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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:4580
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2748 -
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:1812 -
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:3036
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 8723⤵
- Program crash
PID:1452
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2660 -s 7202⤵
- Program crash
PID:4388
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2660 -ip 26601⤵PID:1948
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4852 -ip 48521⤵PID:4400
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3632
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
MD5954d8baed4644eea1bfe47f56bf4a293
SHA1371d3729669588d5663621c5f7117c2837cff7c4
SHA25604dc9fe01241058306fade3b3b6f07d7a2a78e9b85213ff7ca7efbfc34ffa598
SHA51258bf0ce7c1459c2253c6efd5b47e31bc46c4f4a4b9eab61e8a66a5e360ec791421d3dc5b551eec8ed61f9ee2b9a3aa3ee705fd2bff10e5609b9290cc482795fa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD543bb8601b32f50e2bdea7f9aab5c2ef0
SHA138f61bca86e355f660c4e4fa210170e9b56eb83e
SHA256733d177977b2c781d800aab016a70d4044f2a39331af32e08628e9421bc2975b
SHA512cfb558d33ade93415a40f3f04e8009cd1dc32bd0c6015c52c7af4bbd43097bf1b03355ce6f16bddd779070aac001c0298d994b05fa74dffb84d7bfb7ccc0a4e6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56db27b4d61c2db00db63a9b0b9379be5
SHA1c667266ec226eceb4daaff3db97583283f6c98a9
SHA256798ed51387f83f4a306146d0e2d25a1f846ae38e83fb688d6ec7cf5a51085bbb
SHA5125e42385cb32ab0944f11eb4997d205c2f20670f8a59e07b941b33bdba292cf10c91bb37cb41dd73fa198c22c73af82678a47f88ba13b6ea75be6a12892d700ab
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5afb0638dcbd511f3d4a21df6b639b7d7
SHA1c6533f240be39022cd66892c56d17e743d3e8ff8
SHA256d2956d3794341f9ec30d4982f49a8a708d74f6283e03b40580c6cfbda3b80781
SHA51261ba83d2cd6e29f22d7b29fd386a75e37b978256db4933124291234e04be2f74e9497a12717eb84e358c49486875f50ae438321316f6d83ae167adf0c9502984
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51f8f9de51a49155c7237e7900fc42d26
SHA132be4420f5be03242289d4584814ca1a99c594f5
SHA256db1faba89526b88d637c5154ad10538879f91b2747d0255791df7a6fbb228d7c
SHA512d039a37c7633a54f6b55cac5780c195855d94128affbb1e018cf4ee6ccaa5c67ebd8b08fb7b05a3dff9ad0946ac70c5de3fb3defcd6cf2a01aea3b011a7cc51f
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Filesize
4.2MB
MD57e248f25f0af33ccd8993bd7f5c4a121
SHA1c4cdb88b61822c245445e680d2369a9b5417cab8
SHA2563c117306f10caded888705ff4e1d9b1a6023e1799724762e93f48c1c84fea503
SHA5123d85d9cf79dce74e75a712fe2ae781a7859c380485d5c60f5a8de8f9e26639e5a8e66f6462f4effb7c2d6441668a6e7c03122f4275db3e931a8949891e55e7dc
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec