Analysis
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max time kernel
150s -
max time network
144s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
16-05-2024 04:29
Static task
static1
Behavioral task
behavioral1
Sample
e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe
Resource
win10v2004-20240426-en
General
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Target
e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe
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Size
4.1MB
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MD5
6004fdf731bd0126fb74902cb28b76c9
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SHA1
be61eede81bf60e5a8e95644e2efe96ef6591ed9
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SHA256
e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd
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SHA512
0ee80a4a68ec681a82310487688c0c77af79b54d82335f5660094c72b5738b809ac4c079e727d121940e91aa3b961c825ec6bfda41cb260c1068c635773557de
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SSDEEP
98304:Z96GAmuNBigEkoqfZTwC6uGlBZNljS4jc9:ZI9hoq9wC6uGlB/xg9
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral2/memory/1028-2-0x0000000002E60000-0x000000000374B000-memory.dmp family_glupteba behavioral2/memory/1028-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1028-88-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1028-90-0x0000000002E60000-0x000000000374B000-memory.dmp family_glupteba behavioral2/memory/2920-136-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4700-201-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4700-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4700-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4700-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4700-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4700-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4700-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4700-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4700-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4700-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4700-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4700-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4700-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 2652 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4700 csrss.exe 964 injector.exe 3100 windefender.exe 3384 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002a9ed-206.dat upx behavioral2/memory/3100-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3384-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3100-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3384-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3384-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\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:
e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe -
Drops file in Windows directory 4 IoCs
Processes:
e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe File created C:\Windows\rss\csrss.exe e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.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 4084 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 2360 powershell.exe 1176 powershell.exe 1168 powershell.exe 1084 powershell.exe 2412 powershell.exe 1780 powershell.exe 1900 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 2364 schtasks.exe 2412 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exee664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab 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\@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,-162 = "Central Standard Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian 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" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal 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" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "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\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.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,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exee664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exepowershell.exee664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1084 powershell.exe 1084 powershell.exe 1028 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 1028 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 2412 powershell.exe 2412 powershell.exe 2920 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 2920 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 2920 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 2920 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 2920 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 2920 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 2920 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 2920 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 2920 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 2920 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 1780 powershell.exe 1780 powershell.exe 1900 powershell.exe 1900 powershell.exe 2360 powershell.exe 2360 powershell.exe 1176 powershell.exe 1176 powershell.exe 1168 powershell.exe 1168 powershell.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 4700 csrss.exe 4700 csrss.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 4700 csrss.exe 4700 csrss.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 4700 csrss.exe 4700 csrss.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exee664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1084 powershell.exe Token: SeDebugPrivilege 1028 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Token: SeImpersonatePrivilege 1028 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe Token: SeDebugPrivilege 2412 powershell.exe Token: SeDebugPrivilege 1780 powershell.exe Token: SeDebugPrivilege 1900 powershell.exe Token: SeDebugPrivilege 2360 powershell.exe Token: SeDebugPrivilege 1176 powershell.exe Token: SeDebugPrivilege 1168 powershell.exe Token: SeSystemEnvironmentPrivilege 4700 csrss.exe Token: SeSecurityPrivilege 4084 sc.exe Token: SeSecurityPrivilege 4084 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exee664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1028 wrote to memory of 1084 1028 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 81 PID 1028 wrote to memory of 1084 1028 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 81 PID 1028 wrote to memory of 1084 1028 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 81 PID 2920 wrote to memory of 2412 2920 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 87 PID 2920 wrote to memory of 2412 2920 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 87 PID 2920 wrote to memory of 2412 2920 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 87 PID 2920 wrote to memory of 2516 2920 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 89 PID 2920 wrote to memory of 2516 2920 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 89 PID 2516 wrote to memory of 2652 2516 cmd.exe 91 PID 2516 wrote to memory of 2652 2516 cmd.exe 91 PID 2920 wrote to memory of 1780 2920 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 92 PID 2920 wrote to memory of 1780 2920 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 92 PID 2920 wrote to memory of 1780 2920 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 92 PID 2920 wrote to memory of 1900 2920 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 94 PID 2920 wrote to memory of 1900 2920 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 94 PID 2920 wrote to memory of 1900 2920 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 94 PID 2920 wrote to memory of 4700 2920 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 96 PID 2920 wrote to memory of 4700 2920 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 96 PID 2920 wrote to memory of 4700 2920 e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe 96 PID 4700 wrote to memory of 2360 4700 csrss.exe 97 PID 4700 wrote to memory of 2360 4700 csrss.exe 97 PID 4700 wrote to memory of 2360 4700 csrss.exe 97 PID 4700 wrote to memory of 1176 4700 csrss.exe 103 PID 4700 wrote to memory of 1176 4700 csrss.exe 103 PID 4700 wrote to memory of 1176 4700 csrss.exe 103 PID 4700 wrote to memory of 1168 4700 csrss.exe 105 PID 4700 wrote to memory of 1168 4700 csrss.exe 105 PID 4700 wrote to memory of 1168 4700 csrss.exe 105 PID 4700 wrote to memory of 964 4700 csrss.exe 107 PID 4700 wrote to memory of 964 4700 csrss.exe 107 PID 3100 wrote to memory of 1380 3100 windefender.exe 113 PID 3100 wrote to memory of 1380 3100 windefender.exe 113 PID 3100 wrote to memory of 1380 3100 windefender.exe 113 PID 1380 wrote to memory of 4084 1380 cmd.exe 114 PID 1380 wrote to memory of 4084 1380 cmd.exe 114 PID 1380 wrote to memory of 4084 1380 cmd.exe 114 -
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\e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe"C:\Users\Admin\AppData\Local\Temp\e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1028 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1084
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C:\Users\Admin\AppData\Local\Temp\e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.exe"C:\Users\Admin\AppData\Local\Temp\e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd.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:2920 -
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:2412
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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:2516 -
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:2652
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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:1780
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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:1900
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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:4700 -
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:2360
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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:2364
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3776
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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:1176
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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:1168
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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:964
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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:2412
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3100 -
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:1380 -
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:4084
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3384
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52adb04d4b1cc84a563ff5934ff3724af
SHA11f25d56395d41925bc77239ef15d9d0cdf6bedf0
SHA256d9644917d1f9c71e86f346db989e1d6ab0a94be142548d2b6392f759c7be921f
SHA512da295eccb66077bd9005037b255eeab373147f45b1666905e91a7316d6bf5395b738da8127ccf1a27bc2cdafb34a685c393a11c4964367c3f86ef8597f3c79e1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5874261eecdc4cfe229a98a35045174b9
SHA1e433e00ed4e6cb018ee731cf3af8cb3fb295dd2f
SHA2564ff9931fc6aa5c8f895d6ef76b551d03812346d9d85996f5f3cb3faec00e0c80
SHA512b1b9c780c690fe9e5c32424e44db167ff486e795fcf9cb996f8eb9b4df8d87c6acf5404391691ba8aa6fca4cba928e8faf4c612264bbc45c8183eda242436eca
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5552ffdc98094d1771e939dba7a529116
SHA1b28d909dfa336bffc3b0038e8034ef56624974bb
SHA2566cefd5ba977530d6eaaaae2ced4ac1cb96ee991770f4b6a44ba8eb38ce673eb9
SHA512dc90e49c68a97d167acdaf8043ee32b22521d28b553d035af49b95b3cb66b9eaeddccdf7b42ae7a844ed62290669f597106effba028d8f0cec284c8ac538c7a8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b65651b630ab0fc0458aca524f6b262e
SHA1963af2cd933b5bce5945d6554db30a3d611f1bfd
SHA25685d865486085fe101461f8d7f64f8f58f44aad2a8bb93c126c2916e63c35a7bb
SHA512e783673a72eb4a324bf114a81bd7a2ff522900ec3063f718aafc5dfcaf7264db7f1fdb4d85dab29eaeacd55dcdf6e3131df16ad8f17cfed595322b38a6e346d3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57ab2557fca72642984b03cbadcb782de
SHA146e1b3c35e50a4baa54c8bbbd90b95effbee9e6a
SHA256444bfd1a014ce8db180b758e1d52d621e3375acbf32b14006ff2f0e096c1a367
SHA5129577c2178501d6e2a019323538010bfedb934ad092ea61d5fcedb88ac9242342aefbc3ab22cd1fa57ca8326542920852e1d250193380628eca0cfab00dc3f657
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Filesize
4.1MB
MD56004fdf731bd0126fb74902cb28b76c9
SHA1be61eede81bf60e5a8e95644e2efe96ef6591ed9
SHA256e664b307d9f8e935248922352b591910eea6162a4f8ec6f0783e0c66b81314fd
SHA5120ee80a4a68ec681a82310487688c0c77af79b54d82335f5660094c72b5738b809ac4c079e727d121940e91aa3b961c825ec6bfda41cb260c1068c635773557de
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec