Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
15-05-2024 18:09
Static task
static1
Behavioral task
behavioral1
Sample
0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe
Resource
win10v2004-20240508-en
General
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Target
0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe
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Size
4.1MB
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MD5
b3461f483961ad4f068cdf5f5158212f
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SHA1
3068310452cb36a61915636d993dc850ffcd1cf4
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SHA256
0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47
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SHA512
7ea14b89dcc09a82a88ada8e83bcc8870931c54b770ff7adb410533b5a748dc26f1836182e7c275902d4f2ca88ff7eb250270bf5296849fa9fb88025c576bec6
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SSDEEP
98304:IoKALZtLSnhBaG13jSGzI9y04m/Xf7c/d7YDSGfJg5NEka2Q+gR:IC1IraEjIw04m/Xfo4a5yka2Q+gR
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1640-2-0x0000000004B80000-0x000000000546B000-memory.dmp family_glupteba behavioral1/memory/1640-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1640-26-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1640-53-0x0000000004B80000-0x000000000546B000-memory.dmp family_glupteba behavioral1/memory/1640-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1640-54-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2872-78-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2872-134-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2488-159-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2488-217-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2488-230-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2488-232-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2488-236-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2488-240-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2488-246-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2488-248-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2488-252-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2488-256-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2488-262-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3644 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2488 csrss.exe 1656 injector.exe 1456 windefender.exe 4040 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002341e-221.dat upx behavioral1/memory/1456-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4040-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1456-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4040-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4040-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.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 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe File created C:\Windows\rss\csrss.exe 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe File created C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3608 sc.exe -
pid Process 2272 powershell.exe 3172 powershell.exe 3668 powershell.exe 1428 powershell.exe 1320 powershell.exe 1476 powershell.exe 3296 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 3340 schtasks.exe 4916 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.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\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.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,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight 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\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.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\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.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\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2272 powershell.exe 2272 powershell.exe 1640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 1640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 3172 powershell.exe 3172 powershell.exe 2872 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 2872 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 2872 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 2872 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 2872 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 2872 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 2872 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 2872 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 2872 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 2872 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 3668 powershell.exe 3668 powershell.exe 1428 powershell.exe 1428 powershell.exe 1320 powershell.exe 1320 powershell.exe 1476 powershell.exe 1476 powershell.exe 3296 powershell.exe 3296 powershell.exe 1656 injector.exe 1656 injector.exe 1656 injector.exe 1656 injector.exe 1656 injector.exe 1656 injector.exe 2488 csrss.exe 2488 csrss.exe 1656 injector.exe 1656 injector.exe 1656 injector.exe 1656 injector.exe 1656 injector.exe 1656 injector.exe 2488 csrss.exe 2488 csrss.exe 1656 injector.exe 1656 injector.exe 1656 injector.exe 1656 injector.exe 2488 csrss.exe 2488 csrss.exe 1656 injector.exe 1656 injector.exe 1656 injector.exe 1656 injector.exe 1656 injector.exe 1656 injector.exe 1656 injector.exe 1656 injector.exe 1656 injector.exe 1656 injector.exe 1656 injector.exe 1656 injector.exe 1656 injector.exe 1656 injector.exe 1656 injector.exe 1656 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2272 powershell.exe Token: SeDebugPrivilege 1640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Token: SeImpersonatePrivilege 1640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Token: SeDebugPrivilege 3172 powershell.exe Token: SeDebugPrivilege 3668 powershell.exe Token: SeDebugPrivilege 1428 powershell.exe Token: SeDebugPrivilege 1320 powershell.exe Token: SeDebugPrivilege 1476 powershell.exe Token: SeDebugPrivilege 3296 powershell.exe Token: SeSystemEnvironmentPrivilege 2488 csrss.exe Token: SeSecurityPrivilege 3608 sc.exe Token: SeSecurityPrivilege 3608 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1640 wrote to memory of 2272 1640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 89 PID 1640 wrote to memory of 2272 1640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 89 PID 1640 wrote to memory of 2272 1640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 89 PID 2872 wrote to memory of 3172 2872 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 94 PID 2872 wrote to memory of 3172 2872 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 94 PID 2872 wrote to memory of 3172 2872 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 94 PID 2872 wrote to memory of 4504 2872 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 96 PID 2872 wrote to memory of 4504 2872 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 96 PID 4504 wrote to memory of 3644 4504 cmd.exe 98 PID 4504 wrote to memory of 3644 4504 cmd.exe 98 PID 2872 wrote to memory of 3668 2872 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 99 PID 2872 wrote to memory of 3668 2872 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 99 PID 2872 wrote to memory of 3668 2872 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 99 PID 2872 wrote to memory of 1428 2872 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 102 PID 2872 wrote to memory of 1428 2872 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 102 PID 2872 wrote to memory of 1428 2872 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 102 PID 2872 wrote to memory of 2488 2872 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 104 PID 2872 wrote to memory of 2488 2872 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 104 PID 2872 wrote to memory of 2488 2872 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 104 PID 2488 wrote to memory of 1320 2488 csrss.exe 106 PID 2488 wrote to memory of 1320 2488 csrss.exe 106 PID 2488 wrote to memory of 1320 2488 csrss.exe 106 PID 2488 wrote to memory of 1476 2488 csrss.exe 112 PID 2488 wrote to memory of 1476 2488 csrss.exe 112 PID 2488 wrote to memory of 1476 2488 csrss.exe 112 PID 2488 wrote to memory of 3296 2488 csrss.exe 114 PID 2488 wrote to memory of 3296 2488 csrss.exe 114 PID 2488 wrote to memory of 3296 2488 csrss.exe 114 PID 2488 wrote to memory of 1656 2488 csrss.exe 116 PID 2488 wrote to memory of 1656 2488 csrss.exe 116 PID 1456 wrote to memory of 5056 1456 windefender.exe 122 PID 1456 wrote to memory of 5056 1456 windefender.exe 122 PID 1456 wrote to memory of 5056 1456 windefender.exe 122 PID 5056 wrote to memory of 3608 5056 cmd.exe 123 PID 5056 wrote to memory of 3608 5056 cmd.exe 123 PID 5056 wrote to memory of 3608 5056 cmd.exe 123 -
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\0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe"C:\Users\Admin\AppData\Local\Temp\0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1640 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2272
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C:\Users\Admin\AppData\Local\Temp\0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe"C:\Users\Admin\AppData\Local\Temp\0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.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:2872 -
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:3172
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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:4504 -
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:3644
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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:3668
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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:1428
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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:2488 -
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:1320
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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:3340
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:704
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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:1476
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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:3296
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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:1656
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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:4916
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1456 -
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:5056 -
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:3608
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4040
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
MD5db94c44a4deb394a900c0b4e3ae6c7a0
SHA1930c47e23878e40b36d8ccd5f030bd08e908aa7f
SHA2565157450433ab2deefeb72e67638a2d514d057edb209160e2aca8022172bdbd69
SHA51235c37d896bce8d19d01b7ac6162f52da1a24717cef339502b387c7efcc49d0a9bfb491ae1513a07d8a1de97b46187a7076c4fd9c45bbae4ccf5090fd521c0eb4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD509785fa72cc1a054617c31a581632dfe
SHA1326c784769f1a592807b0e0ac703b727672cc41f
SHA256d4dd9b58ec8bb4aae5a3050f1585415c85570c4efc521ddcacbf9d382e407211
SHA5129f1f9e7bb0ea3ec33f00ab679758faa6bf63dfc57c22cd2e0aca2c812659ab72e4d383c37b01edbe40235dae433d64049979a421b088f78c8f76c593ebae1199
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56607dbf3ff05b7cb3d73e53435e96175
SHA15b5d58b5fa87bfa24aff1a74baa2bb770a2f7ef7
SHA2563881337bc62c7ccc16c4194fe9b165cc74a99cdca2978dc3dd0f5564d0484a55
SHA51252c9792f6a8847dca8906eace263e9da81f6401cccdf61ce0733173f31b192a9528615ef46fe70cca8e80b1ef2e3d58b4338aec7207d413ff4aa0591d47272e6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51e2a1225d645f4eb8e31fe486680dca1
SHA14bb2019db45328424bbb1c336e1d58ebb7e475e3
SHA2566c7728d748fdcec1600c340b3babf5777c0de346373b35348566f311266d87bc
SHA512f83b110ce857de675844a062fae49ad5d47d3d6e3dff8dd746a9dd703b97b3c18741af9ae9e4fe30a446bfb3f86a4a8b5ad6b11889fb888aeab28d6508a269fe
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54d4b59db8c3bf782de5b0fe76b6b96a6
SHA1d5cc0563ff8715c2ac8613b764d36f3ba0a1bdd5
SHA256937ac811eba7c9227133a4e76184d65abf9bc57e21edfc76f114613d5d8af051
SHA512bf836f1031320e90333816a205fcdd8f26c10a7f17ae8c1bff693d027cd3c90e1dde349be410d3d38b3b487d0a3641a73dcdfb8bc75ee441193352eb943848db
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Filesize
4.1MB
MD5b3461f483961ad4f068cdf5f5158212f
SHA13068310452cb36a61915636d993dc850ffcd1cf4
SHA2560cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47
SHA5127ea14b89dcc09a82a88ada8e83bcc8870931c54b770ff7adb410533b5a748dc26f1836182e7c275902d4f2ca88ff7eb250270bf5296849fa9fb88025c576bec6
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec