Analysis
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max time kernel
150s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 16:23
Static task
static1
Behavioral task
behavioral1
Sample
3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe
Resource
win10v2004-20240426-en
General
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Target
3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe
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Size
4.1MB
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MD5
388bc76f328d80e85a04ce4d3f9681dc
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SHA1
dcb45aaf9d5b1b48ce1045319288dbd6d57c7e7b
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SHA256
3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d
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SHA512
a18eea44b8f96f28e973b8c002d6538cb40d7f179bf3adbd9eaabbba7a990829c21235ba8d4999b7996e5caba548240122a92dff591ae67c626b36a5b83e7ce3
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SSDEEP
98304:5vHfbigA34ifkpJZQU0TgaIfW6UkFHwAhDtgwFW+1H:5vHfb2IifudqhIuUHwAjW+5
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/1388-2-0x0000000004800000-0x00000000050EB000-memory.dmp family_glupteba behavioral1/memory/1388-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1696-132-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1388-146-0x0000000004800000-0x00000000050EB000-memory.dmp family_glupteba behavioral1/memory/1388-145-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1388-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3624-216-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3624-226-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3624-229-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3624-232-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3624-235-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3624-238-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3624-241-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3624-244-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3624-247-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3624-250-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3624-253-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3624-256-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3624-259-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 880 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3624 csrss.exe 3648 injector.exe 2648 windefender.exe 3988 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0008000000023433-219.dat upx behavioral1/memory/2648-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2648-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3988-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3988-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3988-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3988-242-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\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 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 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:
3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exedescription ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe File created C:\Windows\rss\csrss.exe 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe File created C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 5052 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3496 powershell.exe 1976 powershell.exe 2356 powershell.exe 1240 powershell.exe 4516 powershell.exe 2424 powershell.exe 4244 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 2924 schtasks.exe 2736 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.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,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.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\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exepowershell.exe3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1976 powershell.exe 1976 powershell.exe 1388 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 1388 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 2356 powershell.exe 2356 powershell.exe 2356 powershell.exe 1696 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 1696 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 1696 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 1696 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 1696 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 1696 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 1696 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 1696 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 1696 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 1696 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 1240 powershell.exe 1240 powershell.exe 1240 powershell.exe 4516 powershell.exe 4516 powershell.exe 4516 powershell.exe 2424 powershell.exe 2424 powershell.exe 2424 powershell.exe 4244 powershell.exe 4244 powershell.exe 4244 powershell.exe 3496 powershell.exe 3496 powershell.exe 3496 powershell.exe 3648 injector.exe 3648 injector.exe 3648 injector.exe 3648 injector.exe 3648 injector.exe 3648 injector.exe 3624 csrss.exe 3624 csrss.exe 3648 injector.exe 3648 injector.exe 3648 injector.exe 3648 injector.exe 3648 injector.exe 3648 injector.exe 3624 csrss.exe 3624 csrss.exe 3648 injector.exe 3648 injector.exe 3624 csrss.exe 3624 csrss.exe 3648 injector.exe 3648 injector.exe 3648 injector.exe 3648 injector.exe 3648 injector.exe 3648 injector.exe 3648 injector.exe 3648 injector.exe 3648 injector.exe 3648 injector.exe 3648 injector.exe 3648 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1976 powershell.exe Token: SeDebugPrivilege 1388 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Token: SeImpersonatePrivilege 1388 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Token: SeDebugPrivilege 2356 powershell.exe Token: SeDebugPrivilege 1240 powershell.exe Token: SeDebugPrivilege 4516 powershell.exe Token: SeDebugPrivilege 2424 powershell.exe Token: SeDebugPrivilege 4244 powershell.exe Token: SeDebugPrivilege 3496 powershell.exe Token: SeSystemEnvironmentPrivilege 3624 csrss.exe Token: SeSecurityPrivilege 5052 sc.exe Token: SeSecurityPrivilege 5052 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1388 wrote to memory of 1976 1388 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 86 PID 1388 wrote to memory of 1976 1388 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 86 PID 1388 wrote to memory of 1976 1388 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 86 PID 1696 wrote to memory of 2356 1696 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 96 PID 1696 wrote to memory of 2356 1696 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 96 PID 1696 wrote to memory of 2356 1696 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 96 PID 1696 wrote to memory of 4376 1696 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 101 PID 1696 wrote to memory of 4376 1696 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 101 PID 4376 wrote to memory of 880 4376 cmd.exe 103 PID 4376 wrote to memory of 880 4376 cmd.exe 103 PID 1696 wrote to memory of 1240 1696 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 105 PID 1696 wrote to memory of 1240 1696 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 105 PID 1696 wrote to memory of 1240 1696 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 105 PID 1696 wrote to memory of 4516 1696 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 110 PID 1696 wrote to memory of 4516 1696 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 110 PID 1696 wrote to memory of 4516 1696 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 110 PID 1696 wrote to memory of 3624 1696 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 112 PID 1696 wrote to memory of 3624 1696 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 112 PID 1696 wrote to memory of 3624 1696 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 112 PID 3624 wrote to memory of 2424 3624 csrss.exe 113 PID 3624 wrote to memory of 2424 3624 csrss.exe 113 PID 3624 wrote to memory of 2424 3624 csrss.exe 113 PID 3624 wrote to memory of 4244 3624 csrss.exe 119 PID 3624 wrote to memory of 4244 3624 csrss.exe 119 PID 3624 wrote to memory of 4244 3624 csrss.exe 119 PID 3624 wrote to memory of 3496 3624 csrss.exe 121 PID 3624 wrote to memory of 3496 3624 csrss.exe 121 PID 3624 wrote to memory of 3496 3624 csrss.exe 121 PID 3624 wrote to memory of 3648 3624 csrss.exe 123 PID 3624 wrote to memory of 3648 3624 csrss.exe 123 PID 2648 wrote to memory of 4796 2648 windefender.exe 129 PID 2648 wrote to memory of 4796 2648 windefender.exe 129 PID 2648 wrote to memory of 4796 2648 windefender.exe 129 PID 4796 wrote to memory of 5052 4796 cmd.exe 130 PID 4796 wrote to memory of 5052 4796 cmd.exe 130 PID 4796 wrote to memory of 5052 4796 cmd.exe 130 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe"C:\Users\Admin\AppData\Local\Temp\3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1388 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1976
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C:\Users\Admin\AppData\Local\Temp\3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe"C:\Users\Admin\AppData\Local\Temp\3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.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:1696 -
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:2356
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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:4376 -
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:880
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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:1240
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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:4516
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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:3624 -
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:2424
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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:2924
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4612
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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:4244
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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:3496
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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:3648
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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:2736
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2648 -
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:4796 -
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:5052
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3988
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
MD5c4b335087eddcc06b44cd9f3229db2b7
SHA10766ba3361bbec3b718e0d0c93aa97b8a4c0b4a4
SHA2569afe360fa701f19f878fc640768fd1ecb903e866e3b5653cb9a3fa40f32b9a3d
SHA5123f388a49f6d2aa67b6c048f54c70f20b12d6c22928674507d8a7eeb203469f7b6c2a4735efe84abe99ff7b76913315c82cfa983032d3bd62a1db31ff643744df
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55bff002733c452adbda74efa5a5feba5
SHA1c2b9e10e399b2b7d984d08cdcc3202ad31e61fc0
SHA2566b28a846719f5bccbd95aa0200cb181b1da7dad0e16007d5d21d2389f47fab36
SHA512729ae11bb30993549e92499d557e2936bc2ad33fac638781b95caa41b890f5cf8f21eb6b203731d25a2ea0deacf437c832f03a0d79e3251b62d0ca441116e9ba
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD504a0d75732ae4ed2d2ebd873299d5e8d
SHA1b5ea14c6f8e86ebd79bac7e3ac005ef47ce8d05c
SHA256107c643852cdad5580bd8bf237a2e0c726b5ab7ba99f685daed4e6407fa22613
SHA51251ee1d0882a6d653689bc0d3f61219febb5d99c417f465b26d21add42c2088ad1fb2c1b413bb635bc3ab4e1481f06e80c49e79d7de89c40baface587682a2455
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57e3a9f906cabaadead1e9ea9f1f9a7e0
SHA184f49179e3acb61e52ad275ce73ff6abe5fc71c8
SHA256f2ecb5f3e215c634f5375070bff58483fb57b0be34e3a93aa1171524f7c1d5dd
SHA5123fc76f3c2ede6cc0da8a351b71227bc484cea2b0aa8dfc34b1171eebc03a00cd557f46f96faca81ef152249ede07d9fdb343446059ba00ac7c6756f80068a521
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b8ddb1e85fbdbe70e39d298cafbf4214
SHA1429def110c4cf95b65ee095b988b08eb9cf4c126
SHA256d17732d9602e9c2e749aaec4766354ef00bbe375792249b8c7a3cf318579e049
SHA51290bbadb3e26b80fb8d78e5995d119cb15de68a3d8d4bb13e365f481082d2997d39afaf50ad9418bd5a5d5ace7493c7e2233da6fd3def50bb7e69e37011917d22
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Filesize
4.1MB
MD5388bc76f328d80e85a04ce4d3f9681dc
SHA1dcb45aaf9d5b1b48ce1045319288dbd6d57c7e7b
SHA2563d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d
SHA512a18eea44b8f96f28e973b8c002d6538cb40d7f179bf3adbd9eaabbba7a990829c21235ba8d4999b7996e5caba548240122a92dff591ae67c626b36a5b83e7ce3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec