Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-1703_x64 -
resource
win10-20230703-en -
resource tags
arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system -
submitted
22/08/2023, 09:42
Static task
static1
General
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Target
c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe
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Size
4.2MB
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MD5
64f60b2d71dc3c14f366650a44a70914
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SHA1
78b6e8df69e301714df4032e4257846131389a6f
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SHA256
c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37
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SHA512
563be825a762d0d8a71db044be792e64bd24d87ad8daaf461c873dfa1dad2f872abffdbafed8322596cf9c3d98602308b61caaa9bb530d8e5fc7a79c050424b0
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SSDEEP
98304:vRQOcZoYl5wZ+QjbAJzSKrtrVRLcPPPp76aGa34QEEq5X:KIUBSKhVRLYPV6aKX
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/1656-119-0x0000000004700000-0x0000000004FEB000-memory.dmp family_glupteba behavioral1/memory/1656-120-0x0000000000400000-0x00000000026D0000-memory.dmp family_glupteba behavioral1/memory/1656-145-0x0000000004700000-0x0000000004FEB000-memory.dmp family_glupteba behavioral1/memory/1656-152-0x0000000000400000-0x00000000026D0000-memory.dmp family_glupteba behavioral1/memory/1656-419-0x0000000000400000-0x00000000026D0000-memory.dmp family_glupteba behavioral1/memory/1656-422-0x0000000000400000-0x00000000026D0000-memory.dmp family_glupteba behavioral1/memory/2592-425-0x0000000000400000-0x00000000026D0000-memory.dmp family_glupteba behavioral1/memory/2592-457-0x0000000000400000-0x00000000026D0000-memory.dmp family_glupteba behavioral1/memory/2592-770-0x0000000000400000-0x00000000026D0000-memory.dmp family_glupteba behavioral1/memory/2592-1158-0x0000000000400000-0x00000000026D0000-memory.dmp family_glupteba behavioral1/memory/3364-1162-0x0000000000400000-0x00000000026D0000-memory.dmp family_glupteba behavioral1/memory/3364-1190-0x0000000000400000-0x00000000026D0000-memory.dmp family_glupteba behavioral1/memory/3364-1541-0x0000000000400000-0x00000000026D0000-memory.dmp family_glupteba behavioral1/memory/3364-1904-0x0000000000400000-0x00000000026D0000-memory.dmp family_glupteba behavioral1/memory/3364-1912-0x0000000000400000-0x00000000026D0000-memory.dmp family_glupteba behavioral1/memory/3364-1914-0x0000000000400000-0x00000000026D0000-memory.dmp family_glupteba behavioral1/memory/3364-1916-0x0000000000400000-0x00000000026D0000-memory.dmp family_glupteba behavioral1/memory/3364-1918-0x0000000000400000-0x00000000026D0000-memory.dmp family_glupteba behavioral1/memory/3364-1920-0x0000000000400000-0x00000000026D0000-memory.dmp family_glupteba behavioral1/memory/3364-1922-0x0000000000400000-0x00000000026D0000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe = "0" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 3580 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3364 csrss.exe 4204 injector.exe 4160 windefender.exe 4624 windefender.exe -
resource yara_rule behavioral1/files/0x000700000001b022-1907.dat upx behavioral1/files/0x000700000001b022-1909.dat upx behavioral1/files/0x000700000001b022-1910.dat upx behavioral1/memory/4160-1911-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4624-1913-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4624-1917-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe = "0" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1766410430-2870137818-4067673745-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (str) \REGISTRY\USER\S-1-5-21-1766410430-2870137818-4067673745-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe -
Drops file in Windows directory 4 IoCs
description ioc Process 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 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe File created C:\Windows\rss\csrss.exe c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4592 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4620 schtasks.exe 512 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.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\trust\CTLs 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\SYSTEM netsh.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2236 powershell.exe 2236 powershell.exe 2236 powershell.exe 1656 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 1656 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 3384 powershell.exe 3384 powershell.exe 3384 powershell.exe 2592 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 2592 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 2592 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 2592 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 2592 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 2592 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 2592 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 2592 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 2592 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 2592 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 4880 powershell.exe 4880 powershell.exe 4880 powershell.exe 1916 powershell.exe 1916 powershell.exe 1916 powershell.exe 4512 powershell.exe 4512 powershell.exe 4512 powershell.exe 2988 powershell.exe 2988 powershell.exe 2988 powershell.exe 1656 powershell.exe 1656 powershell.exe 1656 powershell.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 3364 csrss.exe 3364 csrss.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 3364 csrss.exe 3364 csrss.exe 4204 injector.exe 4204 injector.exe 3364 csrss.exe 3364 csrss.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2236 powershell.exe Token: SeDebugPrivilege 1656 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Token: SeImpersonatePrivilege 1656 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe Token: SeDebugPrivilege 3384 powershell.exe Token: SeDebugPrivilege 4880 powershell.exe Token: SeDebugPrivilege 1916 powershell.exe Token: SeDebugPrivilege 4512 powershell.exe Token: SeDebugPrivilege 2988 powershell.exe Token: SeDebugPrivilege 1656 powershell.exe Token: SeSystemEnvironmentPrivilege 3364 csrss.exe Token: SeSecurityPrivilege 4592 sc.exe Token: SeSecurityPrivilege 4592 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1656 wrote to memory of 2236 1656 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 71 PID 1656 wrote to memory of 2236 1656 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 71 PID 1656 wrote to memory of 2236 1656 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 71 PID 2592 wrote to memory of 3384 2592 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 76 PID 2592 wrote to memory of 3384 2592 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 76 PID 2592 wrote to memory of 3384 2592 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 76 PID 2592 wrote to memory of 2460 2592 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 78 PID 2592 wrote to memory of 2460 2592 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 78 PID 2460 wrote to memory of 3580 2460 cmd.exe 80 PID 2460 wrote to memory of 3580 2460 cmd.exe 80 PID 2592 wrote to memory of 4880 2592 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 81 PID 2592 wrote to memory of 4880 2592 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 81 PID 2592 wrote to memory of 4880 2592 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 81 PID 2592 wrote to memory of 1916 2592 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 83 PID 2592 wrote to memory of 1916 2592 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 83 PID 2592 wrote to memory of 1916 2592 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 83 PID 2592 wrote to memory of 3364 2592 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 85 PID 2592 wrote to memory of 3364 2592 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 85 PID 2592 wrote to memory of 3364 2592 c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe 85 PID 3364 wrote to memory of 4512 3364 csrss.exe 86 PID 3364 wrote to memory of 4512 3364 csrss.exe 86 PID 3364 wrote to memory of 4512 3364 csrss.exe 86 PID 3364 wrote to memory of 2988 3364 csrss.exe 93 PID 3364 wrote to memory of 2988 3364 csrss.exe 93 PID 3364 wrote to memory of 2988 3364 csrss.exe 93 PID 3364 wrote to memory of 1656 3364 csrss.exe 95 PID 3364 wrote to memory of 1656 3364 csrss.exe 95 PID 3364 wrote to memory of 1656 3364 csrss.exe 95 PID 3364 wrote to memory of 4204 3364 csrss.exe 97 PID 3364 wrote to memory of 4204 3364 csrss.exe 97 PID 4160 wrote to memory of 1604 4160 windefender.exe 104 PID 4160 wrote to memory of 1604 4160 windefender.exe 104 PID 4160 wrote to memory of 1604 4160 windefender.exe 104 PID 1604 wrote to memory of 4592 1604 cmd.exe 105 PID 1604 wrote to memory of 4592 1604 cmd.exe 105 PID 1604 wrote to memory of 4592 1604 cmd.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe"C:\Users\Admin\AppData\Local\Temp\c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1656 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2236
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C:\Users\Admin\AppData\Local\Temp\c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe"C:\Users\Admin\AppData\Local\Temp\c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37.exe"2⤵
- Windows security bypass
- Windows security modification
- 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:2592 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3384
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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:2460 -
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
- Modifies data under HKEY_USERS
PID:3580
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4880
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1916
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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
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3364 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4512
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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:4620
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4368
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2988
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1656
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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:4204
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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:512
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4160 -
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:1604 -
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:4592
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4624
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
1Replay Monitor
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Downloads
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD51c19c16e21c97ed42d5beabc93391fc5
SHA18ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA2561bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
SHA5127d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5106cd99f09267306a9dd5b46cfddbbd9
SHA110d842ce6faf77c8b927b511d30a2139ac6047e7
SHA25616225dcc47888e2814425a2b87aa868751f7d9a4ec4dc0b60bfd561e1557fec3
SHA51261256d1cc99e940eb86d5bc030c957859588ca158b842a6434b6dc6f779b5f91fe369feeb4e08e574d2be9ce3c3840f34ea78d7a4b06873f0c4797f70ae6abd4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5747393c7d160b27ab0092b7e8476efc4
SHA1b238b819bf00de73bedc14b46c620e6a7a904257
SHA256233326e9e0aa4a5038fb9d50c75b448b193005a4cb098cc54e600f8038cb2eb4
SHA512ab9ba6a426e188bea35c21c9924e305213d2fbc720af9c0d689d596f0719187f1620178ff679b81e0f340b5022c0eec08cc2bd879700036959ef679ece0c5026
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD520c0254628746df47ff30a6314009c74
SHA106af8ef520485f225f434a03a83a4e6a92a9d2f9
SHA256dd6e3abc1b3cf2ed36c0c5a7c144f0b9c496098677a8141c71e080afef535be1
SHA512945e352d61a9800bf145114fcf6b2fa3d099a8903ed2ea23203db8aad2c928cfd80a8376b0d9df900cc75b498c4f921ff9b8b6ead90043210ed37e7d0eaea0e7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5d0608f428c402d2a036812f664a991b6
SHA11765deb5785a8b0b7c9eaf672ebccfc4eb8b5bf0
SHA2565dc6217ffc569f9879b7645a31584f3e9ab97d963ac8819672b0a4753a3c2e3a
SHA51294a387f5201580134547775f589b718888d2b9992ecc846d76ade92e7926ffb6dc5ca3425eb17574bfbc65b935826cae46ee0d63ba3dff13540209b908c1f60a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD59f675b1eadb3d6249f738bc35ae8d9b3
SHA1d9666ce2b408038d2dfb7dcccc3f4c953dcc1d65
SHA25636199c4a90dc89a65b150b9e3466a757f86e08d26261adb9961ba17ee9edfeba
SHA51244925d28f28c0b8e2f397e0ed59f2d4b5e2f21eeafb84b70d379016becf74a2dd0095e0b2f6fe4e76229931303da84430d13cba09c19edd0435af4f352b5d3e7
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Filesize
4.2MB
MD564f60b2d71dc3c14f366650a44a70914
SHA178b6e8df69e301714df4032e4257846131389a6f
SHA256c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37
SHA512563be825a762d0d8a71db044be792e64bd24d87ad8daaf461c873dfa1dad2f872abffdbafed8322596cf9c3d98602308b61caaa9bb530d8e5fc7a79c050424b0
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Filesize
4.2MB
MD564f60b2d71dc3c14f366650a44a70914
SHA178b6e8df69e301714df4032e4257846131389a6f
SHA256c37ac8a5d7a1b67642bfd9468aefe3d3f8ba6db1eb8b49173e2224810167fd37
SHA512563be825a762d0d8a71db044be792e64bd24d87ad8daaf461c873dfa1dad2f872abffdbafed8322596cf9c3d98602308b61caaa9bb530d8e5fc7a79c050424b0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec