Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
16-05-2024 15:24
Static task
static1
Behavioral task
behavioral1
Sample
9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe
Resource
win10v2004-20240426-en
General
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Target
9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe
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Size
4.1MB
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MD5
93a658296b4be3d4d5126a60a487d1f9
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SHA1
9b12347718392de4cd89a917ffcf3a4155d66abd
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SHA256
9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511
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SHA512
4f62fe67cc299b8e9874effc112c9dd293ea74cf41f104a60e0345953345a3f535e32c51bb9391ded44357e10f2e804d23971e973f0cccd2edfdac87e9c2c152
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SSDEEP
98304:wvzBhIm6zIE7SIO2RhCG9zRnSMmyRgCXxFQG9cJ:GzBhDcIv8bCGbNmyXXxFQGyJ
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/5108-2-0x0000000002D70000-0x000000000365B000-memory.dmp family_glupteba behavioral1/memory/5108-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2152-56-0x0000000002D70000-0x000000000365B000-memory.dmp family_glupteba behavioral1/memory/5108-84-0x0000000002D70000-0x000000000365B000-memory.dmp family_glupteba behavioral1/memory/5108-129-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2152-134-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1772-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1772-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1772-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1772-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1772-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1772-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1772-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1772-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1772-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1772-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1772-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1772-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1772-259-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1572 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 1772 csrss.exe 4088 injector.exe 3756 windefender.exe 2448 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x000800000002341d-219.dat upx behavioral1/memory/3756-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3756-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2448-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2448-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2448-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\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 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 -
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:
9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe -
Drops file in Windows directory 4 IoCs
Processes:
9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe File created C:\Windows\rss\csrss.exe 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.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.
Processes:
sc.exepid Process 4344 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 2700 powershell.exe 3264 powershell.exe 1200 powershell.exe 1920 powershell.exe 2624 powershell.exe 2100 powershell.exe 4296 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 1884 schtasks.exe 4456 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.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,-449 = "Azerbaijan Standard Time" 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.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,-1471 = "Magadan Daylight Time" 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exepowershell.exe9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1200 powershell.exe 1200 powershell.exe 5108 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 5108 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 1920 powershell.exe 1920 powershell.exe 1920 powershell.exe 2152 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 2152 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 2152 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 2152 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 2152 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 2152 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 2152 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 2152 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 2152 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 2152 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 2624 powershell.exe 2624 powershell.exe 2624 powershell.exe 2100 powershell.exe 2100 powershell.exe 2100 powershell.exe 4296 powershell.exe 4296 powershell.exe 2700 powershell.exe 2700 powershell.exe 3264 powershell.exe 3264 powershell.exe 4088 injector.exe 4088 injector.exe 4088 injector.exe 4088 injector.exe 4088 injector.exe 4088 injector.exe 1772 csrss.exe 1772 csrss.exe 4088 injector.exe 4088 injector.exe 4088 injector.exe 4088 injector.exe 4088 injector.exe 4088 injector.exe 1772 csrss.exe 1772 csrss.exe 4088 injector.exe 4088 injector.exe 1772 csrss.exe 1772 csrss.exe 4088 injector.exe 4088 injector.exe 4088 injector.exe 4088 injector.exe 4088 injector.exe 4088 injector.exe 4088 injector.exe 4088 injector.exe 4088 injector.exe 4088 injector.exe 4088 injector.exe 4088 injector.exe 4088 injector.exe 4088 injector.exe 4088 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1200 powershell.exe Token: SeDebugPrivilege 5108 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe Token: SeImpersonatePrivilege 5108 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe Token: SeDebugPrivilege 1920 powershell.exe Token: SeDebugPrivilege 2624 powershell.exe Token: SeDebugPrivilege 2100 powershell.exe Token: SeDebugPrivilege 4296 powershell.exe Token: SeDebugPrivilege 2700 powershell.exe Token: SeDebugPrivilege 3264 powershell.exe Token: SeSystemEnvironmentPrivilege 1772 csrss.exe Token: SeSecurityPrivilege 4344 sc.exe Token: SeSecurityPrivilege 4344 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 5108 wrote to memory of 1200 5108 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 87 PID 5108 wrote to memory of 1200 5108 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 87 PID 5108 wrote to memory of 1200 5108 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 87 PID 2152 wrote to memory of 1920 2152 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 97 PID 2152 wrote to memory of 1920 2152 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 97 PID 2152 wrote to memory of 1920 2152 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 97 PID 2152 wrote to memory of 4516 2152 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 101 PID 2152 wrote to memory of 4516 2152 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 101 PID 4516 wrote to memory of 1572 4516 cmd.exe 103 PID 4516 wrote to memory of 1572 4516 cmd.exe 103 PID 2152 wrote to memory of 2624 2152 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 104 PID 2152 wrote to memory of 2624 2152 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 104 PID 2152 wrote to memory of 2624 2152 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 104 PID 2152 wrote to memory of 2100 2152 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 106 PID 2152 wrote to memory of 2100 2152 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 106 PID 2152 wrote to memory of 2100 2152 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 106 PID 2152 wrote to memory of 1772 2152 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 108 PID 2152 wrote to memory of 1772 2152 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 108 PID 2152 wrote to memory of 1772 2152 9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe 108 PID 1772 wrote to memory of 4296 1772 csrss.exe 109 PID 1772 wrote to memory of 4296 1772 csrss.exe 109 PID 1772 wrote to memory of 4296 1772 csrss.exe 109 PID 1772 wrote to memory of 2700 1772 csrss.exe 115 PID 1772 wrote to memory of 2700 1772 csrss.exe 115 PID 1772 wrote to memory of 2700 1772 csrss.exe 115 PID 1772 wrote to memory of 3264 1772 csrss.exe 117 PID 1772 wrote to memory of 3264 1772 csrss.exe 117 PID 1772 wrote to memory of 3264 1772 csrss.exe 117 PID 1772 wrote to memory of 4088 1772 csrss.exe 119 PID 1772 wrote to memory of 4088 1772 csrss.exe 119 PID 3756 wrote to memory of 2440 3756 windefender.exe 125 PID 3756 wrote to memory of 2440 3756 windefender.exe 125 PID 3756 wrote to memory of 2440 3756 windefender.exe 125 PID 2440 wrote to memory of 4344 2440 cmd.exe 126 PID 2440 wrote to memory of 4344 2440 cmd.exe 126 PID 2440 wrote to memory of 4344 2440 cmd.exe 126 -
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\9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe"C:\Users\Admin\AppData\Local\Temp\9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5108 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1200
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C:\Users\Admin\AppData\Local\Temp\9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe"C:\Users\Admin\AppData\Local\Temp\9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.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:2152 -
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:1920
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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:4516 -
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:1572
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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:2624
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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:2100
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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:1772 -
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:4296
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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:1884
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3912
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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:2700
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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:3264
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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:4088
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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:4456
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3756 -
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:2440 -
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:4344
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2448
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
MD54450ceea92fa8cbc87a0f1da7baa6849
SHA15932737595426fbf54f7d09fdb6b24948fdfd476
SHA256003e3ec838cf3551363ba3e33b22595fbfd16f8c1c0ecb6b80182f97cafdc8e1
SHA5129488e91f1216c233bd1c7b1238cb9369ece41ff26b910d6ef6740920a238027e7ae16bf4928d5e2ac9b9141b0bb52030e717641c1849a61bddfb1603b51b6348
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e40d989c37749726c1d01ced9cdcbb78
SHA1e8422068dadaaaa9348004cb54dba7eda9d2ac1a
SHA2565fa31047d1cec7e2abb22f21098ec10f6e7249c63f7e29e6326a8dbc9c8fc4bd
SHA5126e975da395122d9c51d64d12a309a228e8cf0447eebd4d11e70d8f6582580de5758a7b6f761c103cb1472ba1240b9963fa0a0b27ed6888c3663f65fa92fc071b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eb0dd0652acec2314419132ab64dc702
SHA12ec9ca17560a77bd91aecb401008f0273bcbdf31
SHA256495057733b25a7cb6415b5f960aed670826b58f38038be82f294178e93d2f819
SHA5121d1c7789d86702df2db07c4d50a8609da58414bf19f655edc4d05f073af5f18b911e8cb7e75b61ef6e97d3375f78e0d53d0e7293a3da8a43880e72df9d82046c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5da9a3ecdcf76111327ed18554025eb56
SHA1d769257c9b97f17eafa34a80f84032107a8cf827
SHA2565e3dd1507a6e40da547ea440a37ae9218cfc27bac88696e4756559527698b3c2
SHA512c7f08ee8dec23d4365184f7f6151d63226a6d863db34d6fff6b5a5f00c32b1361cc3c0dfe4161d6faa3de54fb3bfcb46de90493b2040a4d9b04242d912359f3a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57a0574c15f72e527bc4bf44d133003e6
SHA140e9aaedb6f7fdbfcb224e76342934f4f1eabd2c
SHA25608a2636c0b33d29e627fb13634d20acb94a087c75ddabdeb454a665196322af9
SHA512ebfae804d7651e4e71476278bbd7a00070074554b705f31358951faf048ce85e3ad7c7bedadc7a7350724e66085525cabbd512c190353629f6d16da47acd207e
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Filesize
4.1MB
MD593a658296b4be3d4d5126a60a487d1f9
SHA19b12347718392de4cd89a917ffcf3a4155d66abd
SHA2569f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511
SHA5124f62fe67cc299b8e9874effc112c9dd293ea74cf41f104a60e0345953345a3f535e32c51bb9391ded44357e10f2e804d23971e973f0cccd2edfdac87e9c2c152
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec