Analysis
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max time kernel
149s -
max time network
151s -
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 11:32
Static task
static1
Behavioral task
behavioral1
Sample
03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe
Resource
win10v2004-20240426-en
General
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Target
03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe
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Size
4.1MB
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MD5
cded6a2fb9d5a03f48f73eeba7beeca2
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SHA1
f54418e33af7978951e7fa3c8f249b5d6cb0fd5e
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SHA256
03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a
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SHA512
feb1cf6d32435964239270ce7ad5a75663af185af1b16142a623a029a945b0fdb518e8a83ccc9fed13f3f53390e08e34194fb684a3afa8b7c29c0b1053fd8e70
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SSDEEP
98304:NH+PiUxpnK5pcCD6RLXH4DRMjOnEmJ5mWZ44js55cU5wvI2J:NH+PiSfw6Rz4ejOEAZ44S5J5ww2J
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/2696-2-0x0000000004430000-0x0000000004D1B000-memory.dmp family_glupteba behavioral1/memory/2696-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2696-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2696-57-0x0000000004430000-0x0000000004D1B000-memory.dmp family_glupteba behavioral1/memory/2696-55-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3796-136-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1372-219-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1372-229-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1372-231-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1372-233-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1372-235-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1372-237-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1372-239-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1372-241-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1372-243-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1372-245-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1372-247-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1372-249-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1372-251-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4320 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 1372 csrss.exe 2120 injector.exe 4052 windefender.exe 4192 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0008000000023441-222.dat upx behavioral1/memory/4052-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4192-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4052-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4192-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4192-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4192-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe -
Drops file in Windows directory 4 IoCs
Processes:
03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe File created C:\Windows\rss\csrss.exe 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.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 4560 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 2984 powershell.exe 2212 powershell.exe 3244 powershell.exe 3224 powershell.exe 4348 powershell.exe 3932 powershell.exe 3856 powershell.exe -
Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target Process procid_target 2352 2696 WerFault.exe 81 4664 3796 WerFault.exe 92 -
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 3264 schtasks.exe 3436 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.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,-741 = "New Zealand Daylight Time" 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.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,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.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,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.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,-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,-42 = "E. South America Standard Time" 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.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,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.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\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.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\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exepowershell.exe03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 3856 powershell.exe 3856 powershell.exe 2696 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 2696 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 2984 powershell.exe 2984 powershell.exe 3796 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 3796 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 3796 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 3796 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 3796 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 3796 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 3796 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 3796 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 3796 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 3796 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 2212 powershell.exe 2212 powershell.exe 3244 powershell.exe 3244 powershell.exe 3224 powershell.exe 3224 powershell.exe 4348 powershell.exe 4348 powershell.exe 3932 powershell.exe 3932 powershell.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 1372 csrss.exe 1372 csrss.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 1372 csrss.exe 1372 csrss.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 1372 csrss.exe 1372 csrss.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 3856 powershell.exe Token: SeDebugPrivilege 2696 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe Token: SeImpersonatePrivilege 2696 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe Token: SeDebugPrivilege 2984 powershell.exe Token: SeDebugPrivilege 2212 powershell.exe Token: SeDebugPrivilege 3244 powershell.exe Token: SeDebugPrivilege 3224 powershell.exe Token: SeDebugPrivilege 4348 powershell.exe Token: SeDebugPrivilege 3932 powershell.exe Token: SeSystemEnvironmentPrivilege 1372 csrss.exe Token: SeSecurityPrivilege 4560 sc.exe Token: SeSecurityPrivilege 4560 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 2696 wrote to memory of 3856 2696 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 84 PID 2696 wrote to memory of 3856 2696 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 84 PID 2696 wrote to memory of 3856 2696 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 84 PID 3796 wrote to memory of 2984 3796 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 96 PID 3796 wrote to memory of 2984 3796 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 96 PID 3796 wrote to memory of 2984 3796 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 96 PID 3796 wrote to memory of 3592 3796 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 102 PID 3796 wrote to memory of 3592 3796 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 102 PID 3592 wrote to memory of 4320 3592 cmd.exe 104 PID 3592 wrote to memory of 4320 3592 cmd.exe 104 PID 3796 wrote to memory of 2212 3796 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 105 PID 3796 wrote to memory of 2212 3796 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 105 PID 3796 wrote to memory of 2212 3796 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 105 PID 3796 wrote to memory of 3244 3796 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 109 PID 3796 wrote to memory of 3244 3796 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 109 PID 3796 wrote to memory of 3244 3796 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 109 PID 3796 wrote to memory of 1372 3796 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 111 PID 3796 wrote to memory of 1372 3796 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 111 PID 3796 wrote to memory of 1372 3796 03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe 111 PID 1372 wrote to memory of 3224 1372 csrss.exe 114 PID 1372 wrote to memory of 3224 1372 csrss.exe 114 PID 1372 wrote to memory of 3224 1372 csrss.exe 114 PID 1372 wrote to memory of 4348 1372 csrss.exe 120 PID 1372 wrote to memory of 4348 1372 csrss.exe 120 PID 1372 wrote to memory of 4348 1372 csrss.exe 120 PID 1372 wrote to memory of 3932 1372 csrss.exe 122 PID 1372 wrote to memory of 3932 1372 csrss.exe 122 PID 1372 wrote to memory of 3932 1372 csrss.exe 122 PID 1372 wrote to memory of 2120 1372 csrss.exe 124 PID 1372 wrote to memory of 2120 1372 csrss.exe 124 PID 4052 wrote to memory of 1748 4052 windefender.exe 130 PID 4052 wrote to memory of 1748 4052 windefender.exe 130 PID 4052 wrote to memory of 1748 4052 windefender.exe 130 PID 1748 wrote to memory of 4560 1748 cmd.exe 131 PID 1748 wrote to memory of 4560 1748 cmd.exe 131 PID 1748 wrote to memory of 4560 1748 cmd.exe 131 -
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\03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe"C:\Users\Admin\AppData\Local\Temp\03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2696 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3856
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C:\Users\Admin\AppData\Local\Temp\03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.exe"C:\Users\Admin\AppData\Local\Temp\03f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a.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:3796 -
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:2984
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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:3592 -
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:4320
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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:2212
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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:3244
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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:1372 -
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:3224
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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:3264
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4084
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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:4348
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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:3932
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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:2120
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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:3436
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4052 -
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:1748 -
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:4560
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3796 -s 8683⤵
- Program crash
PID:4664
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2696 -s 9522⤵
- Program crash
PID:2352
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2696 -ip 26961⤵PID:440
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3796 -ip 37961⤵PID:4296
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4192
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
MD50536d5bcc8236d6906919e4db0586154
SHA1f9a14eb146c3bdf745a1825dce680ae4a8ead8c2
SHA256d67fbfeb356c380e76582d326c3336384495fbb82fc14966d10ec2dfe9c17603
SHA51292f5c65fc03e1983ab1cf5f999662d9c94a2a18f7f30386a28015890ce99761da6cd468e9b0ecc1780b87b9c46d33c7764a4178b3f968a67dd4d65d0bce2214e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52fbfeddda26660149e695e7e46e0d097
SHA11c5ad3934522ce40cd228ba6810fea369348a02f
SHA25601334aac6db1a61d0c0e4d05e2f3e3639e1955d89e2bde58076381bda1cddc47
SHA5121cc807704ef14b960dafb8377317fb42d1f85fd7062e2cf380cf3ffc4eef21c1d943940f941392a5e24c4230ae052b236110dcfca6e563fc2fdf3e46eb984ff9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5158589243b6499eeab7d6b28419e43bf
SHA1a609a00efcc1971171fc3952d32e397d4939fe61
SHA256ff32c4eb46f2c5ab5dcaf70604ad36139f1a1743e765457d9b19549a6fc18359
SHA512f5cea18024c4b3cd2d55886811577daf0819f1b42e9c0ead6366dce8f3fc1dd2f6b2f6ae0abc4f97c1833b225b277038a3761ad5f2716819f102c9c111fada71
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5393ee72f6ca62e5aed29ce479b321f48
SHA1d036b3ab2a4b513b6bb244879a88eb8dcfa7f88f
SHA2565144f73abcd39664a09cb5541f8ec71cb2e643c7b88f6206722e7cfa5ab46787
SHA5124b980670a4294a10dae5d29ebba6ea4a0fb0dc479d41b09baa804632792d27d5e50bcec2fa974be7d1cb6b1366d5ab42bdcbc4dc6e54328184a09e9e4bf26328
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD591333f1d9212093b6c074ed3348cf38c
SHA1c053800153faa930fc6f4c90b2b7c74c450e9fbf
SHA2564b0448ab59333ec35e811433b2e76c9fce2f8b1f354e3db5d75688c569351647
SHA51267f9245cd631f85061210e5240168fc98d68b9abf3fdd1f86eaa6eb9e5b5aaa2776c7b78ff1aab00e9c4c594e0613332cea61a32f433c38284c7ba2bc36319af
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Filesize
4.1MB
MD5cded6a2fb9d5a03f48f73eeba7beeca2
SHA1f54418e33af7978951e7fa3c8f249b5d6cb0fd5e
SHA25603f63f23963085e7ea71797524872545c214415aa75278187b6b43574f73224a
SHA512feb1cf6d32435964239270ce7ad5a75663af185af1b16142a623a029a945b0fdb518e8a83ccc9fed13f3f53390e08e34194fb684a3afa8b7c29c0b1053fd8e70
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec