Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 16:24
Static task
static1
Behavioral task
behavioral1
Sample
e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe
Resource
win10v2004-20240426-en
General
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Target
e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe
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Size
4.1MB
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MD5
5469967960538201829841e1c6607654
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SHA1
684fb0d981c0e9bd90285402624eefd70cdbd5dd
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SHA256
e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb
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SHA512
087d1a7ca9f3e0e6f0fe482dac208d8dc4818d160beac04f01f5994405db7ba17f8fc250f0a1857eebc81e436ae16b571afdee7a8990c1929d108bc324b338e2
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SSDEEP
98304:BvHfbigA34ifkpJZQU0TgaIfW6UkFHwAhDtgwFW+1n:BvHfb2IifudqhIuUHwAjW+9
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral2/memory/576-2-0x0000000004890000-0x000000000517B000-memory.dmp family_glupteba behavioral2/memory/576-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/576-133-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/576-197-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4500-196-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/5016-199-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/5016-210-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/5016-214-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/5016-217-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/5016-222-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/5016-226-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/5016-230-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/5016-234-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/5016-237-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/5016-242-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/5016-246-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/5016-250-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/5016-253-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3388 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 5016 csrss.exe 4780 injector.exe 3644 windefender.exe 2136 windefender.exe -
Processes:
resource yara_rule behavioral2/memory/3644-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000200000002a9dc-205.dat upx behavioral2/memory/2136-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3644-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2136-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2136-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\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:
e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe -
Drops file in Windows directory 4 IoCs
Processes:
e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.execsrss.exedescription ioc Process File created C:\Windows\rss\csrss.exe e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 2576 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4732 powershell.exe 4108 powershell.exe 2628 powershell.exe 1988 powershell.exe 4724 powershell.exe 5040 powershell.exe 1048 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 4836 schtasks.exe 4360 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exee05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.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" e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.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\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.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,-71 = "Newfoundland 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\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.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,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" 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,-2062 = "North Korea 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" e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exee05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exepowershell.exee05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4724 powershell.exe 4724 powershell.exe 576 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 576 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 5040 powershell.exe 5040 powershell.exe 4500 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 4500 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 4500 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 4500 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 4500 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 4500 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 4500 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 4500 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 4500 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 4500 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 1048 powershell.exe 1048 powershell.exe 4732 powershell.exe 4732 powershell.exe 4108 powershell.exe 4108 powershell.exe 2628 powershell.exe 2628 powershell.exe 1988 powershell.exe 1988 powershell.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 5016 csrss.exe 5016 csrss.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 5016 csrss.exe 5016 csrss.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 5016 csrss.exe 5016 csrss.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exee05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4724 powershell.exe Token: SeDebugPrivilege 576 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe Token: SeImpersonatePrivilege 576 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe Token: SeDebugPrivilege 5040 powershell.exe Token: SeDebugPrivilege 1048 powershell.exe Token: SeDebugPrivilege 4732 powershell.exe Token: SeDebugPrivilege 4108 powershell.exe Token: SeDebugPrivilege 2628 powershell.exe Token: SeDebugPrivilege 1988 powershell.exe Token: SeSystemEnvironmentPrivilege 5016 csrss.exe Token: SeSecurityPrivilege 2576 sc.exe Token: SeSecurityPrivilege 2576 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exee05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 576 wrote to memory of 4724 576 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 78 PID 576 wrote to memory of 4724 576 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 78 PID 576 wrote to memory of 4724 576 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 78 PID 4500 wrote to memory of 5040 4500 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 83 PID 4500 wrote to memory of 5040 4500 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 83 PID 4500 wrote to memory of 5040 4500 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 83 PID 4500 wrote to memory of 4852 4500 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 85 PID 4500 wrote to memory of 4852 4500 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 85 PID 4852 wrote to memory of 3388 4852 cmd.exe 87 PID 4852 wrote to memory of 3388 4852 cmd.exe 87 PID 4500 wrote to memory of 1048 4500 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 88 PID 4500 wrote to memory of 1048 4500 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 88 PID 4500 wrote to memory of 1048 4500 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 88 PID 4500 wrote to memory of 4732 4500 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 90 PID 4500 wrote to memory of 4732 4500 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 90 PID 4500 wrote to memory of 4732 4500 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 90 PID 4500 wrote to memory of 5016 4500 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 92 PID 4500 wrote to memory of 5016 4500 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 92 PID 4500 wrote to memory of 5016 4500 e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe 92 PID 5016 wrote to memory of 4108 5016 csrss.exe 93 PID 5016 wrote to memory of 4108 5016 csrss.exe 93 PID 5016 wrote to memory of 4108 5016 csrss.exe 93 PID 5016 wrote to memory of 2628 5016 csrss.exe 99 PID 5016 wrote to memory of 2628 5016 csrss.exe 99 PID 5016 wrote to memory of 2628 5016 csrss.exe 99 PID 5016 wrote to memory of 1988 5016 csrss.exe 101 PID 5016 wrote to memory of 1988 5016 csrss.exe 101 PID 5016 wrote to memory of 1988 5016 csrss.exe 101 PID 5016 wrote to memory of 4780 5016 csrss.exe 103 PID 5016 wrote to memory of 4780 5016 csrss.exe 103 PID 3644 wrote to memory of 5060 3644 windefender.exe 109 PID 3644 wrote to memory of 5060 3644 windefender.exe 109 PID 3644 wrote to memory of 5060 3644 windefender.exe 109 PID 5060 wrote to memory of 2576 5060 cmd.exe 110 PID 5060 wrote to memory of 2576 5060 cmd.exe 110 PID 5060 wrote to memory of 2576 5060 cmd.exe 110 -
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\e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe"C:\Users\Admin\AppData\Local\Temp\e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:576 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4724
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C:\Users\Admin\AppData\Local\Temp\e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.exe"C:\Users\Admin\AppData\Local\Temp\e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb.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:4500 -
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:5040
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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:4852 -
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:3388
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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:1048
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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:4732
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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:5016 -
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:4108
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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:4836
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3036
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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:2628
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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:1988
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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:4780
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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:4360
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3644 -
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:5060 -
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:2576
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2136
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a57d1dc55f85b5752ab95d8aaba99866
SHA1b8a2009b4ccd49cb81347951db969902098435f5
SHA2568ecba4e56cbe2f4a3a5c72b02d2ad9158ccb5dbc5a1e5dd4825a324592221286
SHA5127f561c21c55cc7129f79375e300a6b7207cde0e11639c90eb5acbbcc8de52cd5b0aaa8ae10e4e6b61ea770af067a34475596436e5f01a869a7a6ecd978f3939f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5521be0832483e479aa6f30f89ee1fcc4
SHA1d8d706b8c557d2dc220274e4179dcdc4870bc7eb
SHA2568b7d8a805c2638d4c4b389273cd4e972f449ed712f95673a031f79979107cfba
SHA512a6eae85c6666540d03f2608f73c5dc233f90e1650da86d457209f7ee00d1783685b7a9ad2abbff949438242115116a06ae6e5a6163c3a00e60cc0d280c0c64f5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5351fcb981df78289f99ecc317ea6c5a8
SHA13d7b35cb9acaf8929b1b67dfc79f682a7122aea9
SHA256f859f88a3f56c84be9901bed5d1667bf7640970af7c98d37ff7d7b7f7f855b70
SHA512812420977874d67dbcbfe21b0e3f2a9deba93f3d7409fdefd0a8e836ff1e1afbcc831e89ca434b6d423adf9f8ef75d427735bb8f92e53a10b595a4d3bd266d8d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD560a2d011fcd4909e9eeeaddaf85d0887
SHA168ee76e566ae0717c029401b1b34b7fcf44a1e1e
SHA25662e23fb58603021319a0acf13c7b8b8fbb129479d955bcc6eddc860862f2fd61
SHA512fe02b2c78addd5f6a070d1b65df14ab145a93d02edccb969f3f42dfeb7a6adc833d8f962ddfec0cac23ee5c8203e710c2237184e221f14f8705d9c5bc4adf81f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c669c32f28f2b7c2e31cdedb88658639
SHA1c33424c42bc2105093e2467a60fb1c8d6e1a5a76
SHA256f7023879274486a55870a55be2c5878c473fe5e00694ae9c20f5c53097bf5b63
SHA51207ce318ed2a24ae252c7904ae379c55d0260cc0d567a81811a564ebd7b5b3ec0d521fee4af43c636a566c3e68a13be962f35e5e97feeef43fcf2d3e8ede47069
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Filesize
4.1MB
MD55469967960538201829841e1c6607654
SHA1684fb0d981c0e9bd90285402624eefd70cdbd5dd
SHA256e05008de74d090363d79757770ea8dc0ed1dcd6551c64cd82487d218c9f36deb
SHA512087d1a7ca9f3e0e6f0fe482dac208d8dc4818d160beac04f01f5994405db7ba17f8fc250f0a1857eebc81e436ae16b571afdee7a8990c1929d108bc324b338e2
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec