Analysis
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max time kernel
150s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 21:51
Static task
static1
Behavioral task
behavioral1
Sample
861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe
Resource
win10v2004-20240508-en
General
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Target
861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe
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Size
4.1MB
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MD5
8da07f14de15e768d0c031f66b2740e9
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SHA1
780cfbf219ababcc1c576fd45125720e47a3ef6a
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SHA256
861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4
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SHA512
9ffe9c9c81a46e3629cc7345dd94b3a6392c2eae40a2c01b5a23d51f2b46d73edb930ef5c6f717aadab4a160424525e5c6f16b50e47c63b8dce3bc7c27dcf4be
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SSDEEP
98304:ZsVQ+hudF4keJeyEqK0evsENr9r54Wa5Cc1nHXivv:Zs5hioeyE6OsERj43n4
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/2336-2-0x00000000047C0000-0x00000000050AB000-memory.dmp family_glupteba behavioral1/memory/2336-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2336-51-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2336-52-0x00000000047C0000-0x00000000050AB000-memory.dmp family_glupteba behavioral1/memory/2336-50-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2704-126-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2704-131-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3804-215-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3804-225-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3804-227-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3804-229-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3804-231-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3804-233-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3804-235-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3804-237-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3804-239-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3804-241-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3804-243-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3804-245-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3804-247-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4164 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3804 csrss.exe 4880 injector.exe 4312 windefender.exe 872 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023423-218.dat upx behavioral1/memory/4312-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/872-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4312-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/872-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/872-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/872-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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 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 -
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 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.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 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe File created C:\Windows\rss\csrss.exe 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2972 sc.exe -
pid Process 1692 powershell.exe 5080 powershell.exe 5104 powershell.exe 3356 powershell.exe 1804 powershell.exe 3360 powershell.exe 4092 powershell.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 1756 schtasks.exe 2216 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,-441 = "Arabian Daylight Time" 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.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\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.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,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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,-181 = "Mountain Daylight Time (Mexico)" 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.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\CA 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\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.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" 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" 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\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5104 powershell.exe 5104 powershell.exe 2336 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 2336 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 3356 powershell.exe 3356 powershell.exe 2704 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 2704 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 2704 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 2704 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 2704 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 2704 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 2704 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 2704 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 2704 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 2704 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 1804 powershell.exe 1804 powershell.exe 3360 powershell.exe 3360 powershell.exe 4092 powershell.exe 4092 powershell.exe 1692 powershell.exe 1692 powershell.exe 5080 powershell.exe 5080 powershell.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 3804 csrss.exe 3804 csrss.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 3804 csrss.exe 3804 csrss.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 3804 csrss.exe 3804 csrss.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5104 powershell.exe Token: SeDebugPrivilege 2336 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe Token: SeImpersonatePrivilege 2336 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe Token: SeDebugPrivilege 3356 powershell.exe Token: SeDebugPrivilege 1804 powershell.exe Token: SeDebugPrivilege 3360 powershell.exe Token: SeDebugPrivilege 4092 powershell.exe Token: SeDebugPrivilege 1692 powershell.exe Token: SeDebugPrivilege 5080 powershell.exe Token: SeSystemEnvironmentPrivilege 3804 csrss.exe Token: SeSecurityPrivilege 2972 sc.exe Token: SeSecurityPrivilege 2972 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2336 wrote to memory of 5104 2336 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 85 PID 2336 wrote to memory of 5104 2336 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 85 PID 2336 wrote to memory of 5104 2336 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 85 PID 2704 wrote to memory of 3356 2704 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 99 PID 2704 wrote to memory of 3356 2704 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 99 PID 2704 wrote to memory of 3356 2704 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 99 PID 2704 wrote to memory of 3984 2704 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 102 PID 2704 wrote to memory of 3984 2704 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 102 PID 3984 wrote to memory of 4164 3984 cmd.exe 104 PID 3984 wrote to memory of 4164 3984 cmd.exe 104 PID 2704 wrote to memory of 1804 2704 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 105 PID 2704 wrote to memory of 1804 2704 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 105 PID 2704 wrote to memory of 1804 2704 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 105 PID 2704 wrote to memory of 3360 2704 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 107 PID 2704 wrote to memory of 3360 2704 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 107 PID 2704 wrote to memory of 3360 2704 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 107 PID 2704 wrote to memory of 3804 2704 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 109 PID 2704 wrote to memory of 3804 2704 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 109 PID 2704 wrote to memory of 3804 2704 861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe 109 PID 3804 wrote to memory of 4092 3804 csrss.exe 110 PID 3804 wrote to memory of 4092 3804 csrss.exe 110 PID 3804 wrote to memory of 4092 3804 csrss.exe 110 PID 3804 wrote to memory of 1692 3804 csrss.exe 116 PID 3804 wrote to memory of 1692 3804 csrss.exe 116 PID 3804 wrote to memory of 1692 3804 csrss.exe 116 PID 3804 wrote to memory of 5080 3804 csrss.exe 118 PID 3804 wrote to memory of 5080 3804 csrss.exe 118 PID 3804 wrote to memory of 5080 3804 csrss.exe 118 PID 3804 wrote to memory of 4880 3804 csrss.exe 120 PID 3804 wrote to memory of 4880 3804 csrss.exe 120 PID 4312 wrote to memory of 740 4312 windefender.exe 128 PID 4312 wrote to memory of 740 4312 windefender.exe 128 PID 4312 wrote to memory of 740 4312 windefender.exe 128 PID 740 wrote to memory of 2972 740 cmd.exe 129 PID 740 wrote to memory of 2972 740 cmd.exe 129 PID 740 wrote to memory of 2972 740 cmd.exe 129 -
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\861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe"C:\Users\Admin\AppData\Local\Temp\861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2336 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5104
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C:\Users\Admin\AppData\Local\Temp\861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.exe"C:\Users\Admin\AppData\Local\Temp\861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4.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:2704 -
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:3356
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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:3984 -
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:4164
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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:1804
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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:3360
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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:3804 -
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:4092
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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:1756
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1608
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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:1692
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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:5080
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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:4880
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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:2216
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4312 -
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:740 -
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:2972
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:872
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d962bcdc584c83e56ce6adf890b66167
SHA1c30a396e05d96d7f8c153dbc296a2e3ad84b480c
SHA25602f38c17b38beb39a8f1ffa91737f4f60a76b253d580797220e514bc8cf0e26e
SHA512605742b2843821f0837592af6c066ccfeb20ba411a68ba3aa69c8e36f593cb5369582d6c41391c1262c6b46c56d77506b49a0e6b1cfc11eb6d16c6a8fb49c6f2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ffcdc9ddb02b27c484895fc43693504e
SHA1f8b1d976a78451f0ee0d1a99cb497186c143df1b
SHA2568e7c7abfda4a798a7c2332ba4d85a5fa8ec70b5c95070bb54ba1effcf12ec662
SHA51269f073236ae2f60d896bf91bda8579fb74995d5af1f43d0127bb9fc5fb072897ce3b6892b74913c3c554f2b45fc2f165a8662963937e9a97e5362dc6cff42164
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD507a11251c11d1ef49c9bf47019c39bf8
SHA15032152f737965ab44288474b3cee2f69578d33d
SHA256e79d2e863756fa058dfe12f7ec06c5ce087828df6f4a8c6a722bac9e6be2d3e8
SHA512d02bb7b570abfc2f8b1ce2c88510b570f640b5994769341011365f43f3062fe037c0c322d40c4a992b0ed3d2df712ff4327b611686b999999fe0354e71718117
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a9839e190c5213f05b249c148de944a5
SHA165ee1abd35753ce30282eccfba9750a56370e892
SHA256a0533ef7df450eed1f71748fa4d7b505e622c3e1fa91fe96c012e8adb9c664c9
SHA512b74230364c1baef9b62bfe535a3e40037652849959136be754de57728d03cb472d36d5038d1f3e6f802da3e3816990b2e3f369f65830559cccf62d5ef467f055
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fa4dc95167cb61ef29154e79155e13de
SHA1fe6ff18c4e1654bb65b9b6f46aaf5c61b42a6c63
SHA256f911daf33d1bb0d40ed66790d136ad5b4dd1c2fb364d7951ed4eeaa1d8581de8
SHA512233199dca759bed6df3cf353347c7f2eee54a9a8d9246bb42c88a8e23e9ec53020d863d8d354bbd34716b14aa1589834381e0ee063a20d84a978e05d2342efb8
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Filesize
4.1MB
MD58da07f14de15e768d0c031f66b2740e9
SHA1780cfbf219ababcc1c576fd45125720e47a3ef6a
SHA256861a5b29ccfe710a41bafdf963769d21a3d819ad8d313d575767939a16e51aa4
SHA5129ffe9c9c81a46e3629cc7345dd94b3a6392c2eae40a2c01b5a23d51f2b46d73edb930ef5c6f717aadab4a160424525e5c6f16b50e47c63b8dce3bc7c27dcf4be
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec