Analysis
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max time kernel
149s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 16:22
Static task
static1
Behavioral task
behavioral1
Sample
16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe
Resource
win10v2004-20240226-en
General
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Target
16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe
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Size
4.1MB
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MD5
909891c9ab1e5e345f7be572488780fc
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SHA1
269bc722b52983327051bbaa189199733a7ed09f
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SHA256
16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a
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SHA512
cefd20dd80cfe0dfd701d6c3237d8993b367b829894fc49c49c225f995cfb24cfbc645ee5b55f47a45be7b59eff5665ca7729677f6dcef0fd2ca8dfd53b6b7fe
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SSDEEP
98304:MxfL9oyIkrku4AJMBJNRxIbk0RddEjk9Pc8cg301s2mGvq:6RrVrv4XbNRWhj2o9k8f3CspGvq
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3620-2-0x0000000004C50000-0x000000000553B000-memory.dmp family_glupteba behavioral2/memory/3620-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3620-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3620-54-0x0000000004C50000-0x000000000553B000-memory.dmp family_glupteba behavioral2/memory/3620-52-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/5072-126-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3128-204-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3128-213-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3128-215-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3128-217-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3128-219-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3128-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3128-223-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3128-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3128-227-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3128-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3128-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3128-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3128-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4244 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3128 csrss.exe 3132 injector.exe 4280 windefender.exe 2340 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa18-207.dat upx behavioral2/memory/4280-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4280-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2340-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2340-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2340-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2340-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\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.
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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.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 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 916 sc.exe -
pid Process 4880 powershell.exe 2100 powershell.exe 2156 powershell.exe 2164 powershell.exe 3816 powershell.exe 4972 powershell.exe 3124 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1544 3620 WerFault.exe 79 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2932 schtasks.exe 2088 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central 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" 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.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,-2322 = "Sakhalin Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.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\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.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,-162 = "Central Standard Time" windefender.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" 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4880 powershell.exe 4880 powershell.exe 3620 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 3620 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 2100 powershell.exe 2100 powershell.exe 5072 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 5072 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 5072 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 5072 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 5072 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 5072 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 5072 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 5072 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 5072 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 5072 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 2156 powershell.exe 2156 powershell.exe 2164 powershell.exe 2164 powershell.exe 3816 powershell.exe 3816 powershell.exe 4972 powershell.exe 4972 powershell.exe 3124 powershell.exe 3124 powershell.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3128 csrss.exe 3128 csrss.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3128 csrss.exe 3128 csrss.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3128 csrss.exe 3128 csrss.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4880 powershell.exe Token: SeDebugPrivilege 3620 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe Token: SeImpersonatePrivilege 3620 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe Token: SeDebugPrivilege 2100 powershell.exe Token: SeDebugPrivilege 2156 powershell.exe Token: SeDebugPrivilege 2164 powershell.exe Token: SeDebugPrivilege 3816 powershell.exe Token: SeDebugPrivilege 4972 powershell.exe Token: SeDebugPrivilege 3124 powershell.exe Token: SeSystemEnvironmentPrivilege 3128 csrss.exe Token: SeSecurityPrivilege 916 sc.exe Token: SeSecurityPrivilege 916 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3620 wrote to memory of 4880 3620 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 82 PID 3620 wrote to memory of 4880 3620 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 82 PID 3620 wrote to memory of 4880 3620 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 82 PID 5072 wrote to memory of 2100 5072 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 91 PID 5072 wrote to memory of 2100 5072 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 91 PID 5072 wrote to memory of 2100 5072 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 91 PID 5072 wrote to memory of 3468 5072 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 93 PID 5072 wrote to memory of 3468 5072 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 93 PID 3468 wrote to memory of 4244 3468 cmd.exe 95 PID 3468 wrote to memory of 4244 3468 cmd.exe 95 PID 5072 wrote to memory of 2156 5072 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 96 PID 5072 wrote to memory of 2156 5072 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 96 PID 5072 wrote to memory of 2156 5072 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 96 PID 5072 wrote to memory of 2164 5072 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 98 PID 5072 wrote to memory of 2164 5072 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 98 PID 5072 wrote to memory of 2164 5072 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 98 PID 5072 wrote to memory of 3128 5072 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 100 PID 5072 wrote to memory of 3128 5072 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 100 PID 5072 wrote to memory of 3128 5072 16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe 100 PID 3128 wrote to memory of 3816 3128 csrss.exe 101 PID 3128 wrote to memory of 3816 3128 csrss.exe 101 PID 3128 wrote to memory of 3816 3128 csrss.exe 101 PID 3128 wrote to memory of 4972 3128 csrss.exe 107 PID 3128 wrote to memory of 4972 3128 csrss.exe 107 PID 3128 wrote to memory of 4972 3128 csrss.exe 107 PID 3128 wrote to memory of 3124 3128 csrss.exe 109 PID 3128 wrote to memory of 3124 3128 csrss.exe 109 PID 3128 wrote to memory of 3124 3128 csrss.exe 109 PID 3128 wrote to memory of 3132 3128 csrss.exe 111 PID 3128 wrote to memory of 3132 3128 csrss.exe 111 PID 4280 wrote to memory of 236 4280 windefender.exe 117 PID 4280 wrote to memory of 236 4280 windefender.exe 117 PID 4280 wrote to memory of 236 4280 windefender.exe 117 PID 236 wrote to memory of 916 236 cmd.exe 118 PID 236 wrote to memory of 916 236 cmd.exe 118 PID 236 wrote to memory of 916 236 cmd.exe 118 -
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\16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe"C:\Users\Admin\AppData\Local\Temp\16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3620 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4880
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C:\Users\Admin\AppData\Local\Temp\16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.exe"C:\Users\Admin\AppData\Local\Temp\16df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a.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:5072 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2100
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C:\Windows\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:3468 -
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:4244
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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:2156
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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:2164
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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:3128 -
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:3816
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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:2932
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3088
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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:4972
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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:3124
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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:3132
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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:2088
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4280 -
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:236 -
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:916
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3620 -s 8522⤵
- Program crash
PID:1544
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3620 -ip 36201⤵PID:4848
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2340
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
MD54f45e1987fd87345ca1c16dcb11065b4
SHA107e18324b9d20b69fa47fc13a4078f032db38dd1
SHA256f5a4c865b84b7c7868d947d10d165ce87e70b72457e391cd4c9c6f9b89c4e3bc
SHA512b9b9e292553551d7897f94fffc7a8e78bf26ca4a8d36d5925bdb8242ffc306d83637b6c80e0bd0ac1f917255bf7e89921d60c71c53d617fa7e68e12dbaf95c5a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5261e5cc4962a684b4a7053515f52d52b
SHA171df96107a236ac9b57418fa24bbc824ab8b15da
SHA256abaf8173c54edef60d1e99ff6ac1992a0bc1adb4fd2ee96355e5db78b5bf586d
SHA5120d4b69cf4ddbfd283621dbd5e0b09cfd357c1e08f75cab7f85aef2c90ac7c4e6f6d839cc69533479b7f972fd88f971218106260a99247295137ae6f3da141b58
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5293dad0e0191793efcb522c7cb85248e
SHA1859d62b2a5a20a365e19cc02db5f279fafd8a882
SHA256e4361fe56d37d4fcc79f7f8fb7c3b96bb22629c3f0edd168d1fc0db1630d8845
SHA5126bc7cb138606b095efffdc5f0fa354eacbb22734db42672af0d488ea40709bf003f73ed31cda0e299273bdbb4eaaa3ab63a8ee330a6cf64df5fc583ae1169be1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58578fb7e5461298239026e9084aa51f0
SHA1844f55601603572430d6b6046a421f2add8d3e11
SHA256eb2635e9cd7e3859bf064417b3eae8ce2670107375af182b100e53817f1bfab1
SHA512fa38555f176f6d3617be25bd08da669843f2c3131c8123467bf6fe8f1e8191d00c6f80ebb88f378d7fb4ef05be4283950cf9ae36d988d473febbc2c339b0b455
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56a8358ea428ddfd3ef5e715fd7f99a69
SHA163cf65549fee94a1273c19154a96a9885a60c18d
SHA256aaf622d5dc82213da1426c5ef11a66da794deb4611813802e6bf03d439d2e4a3
SHA512b8c4096917d61b3687e20ae361f0a3a4a0f085485d5738be7c5d753d592668560ea78d177e768485d00ed238e5487fad5021aaa56776e61ceb8cc0c214c29551
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Filesize
4.1MB
MD5909891c9ab1e5e345f7be572488780fc
SHA1269bc722b52983327051bbaa189199733a7ed09f
SHA25616df0afe5a4c87a2668bdec21c752d5c1f9d922d2ccb02341063692540f3875a
SHA512cefd20dd80cfe0dfd701d6c3237d8993b367b829894fc49c49c225f995cfb24cfbc645ee5b55f47a45be7b59eff5665ca7729677f6dcef0fd2ca8dfd53b6b7fe
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec