Analysis
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max time kernel
150s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 23:07
Static task
static1
Behavioral task
behavioral1
Sample
4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe
Resource
win10v2004-20240426-en
General
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Target
4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe
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Size
4.1MB
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MD5
0960205766bb7b598fd504778a5ef1df
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SHA1
41b34903c6ce053e1804d7d49e8fdf6f6956a1b7
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SHA256
4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942
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SHA512
029b59ffd05cd3cdeb85b8d6d44babf4791ff5d75b960bbab7b6db5eb2fac789101034f4e2059e6ea3a1cd7366e8b9c15150a3ab6a4319a35bff02638538a913
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SSDEEP
98304:UmJz+EAFuKpzA6GjnwtAd4VH0G8BBOAZM6KCBe84V:Bh+Eouw86GbIivMwMVCB8V
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/2124-2-0x0000000004CC0000-0x00000000055AB000-memory.dmp family_glupteba behavioral1/memory/2124-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2124-154-0x0000000004CC0000-0x00000000055AB000-memory.dmp family_glupteba behavioral1/memory/2124-152-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/748-194-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2124-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/404-214-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/404-225-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/404-229-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/404-233-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/404-237-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/404-241-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/404-245-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/404-249-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/404-253-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/404-257-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/404-261-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4700 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 404 csrss.exe 4508 injector.exe 2404 windefender.exe 904 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023479-218.dat upx behavioral1/memory/904-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2404-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2404-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/904-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/904-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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 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 -
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 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.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 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe File created C:\Windows\rss\csrss.exe 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.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 1568 sc.exe -
pid Process 1276 powershell.exe 2984 powershell.exe 3900 powershell.exe 2500 powershell.exe 728 powershell.exe 3608 powershell.exe 1124 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 2408 schtasks.exe 1948 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,-171 = "Central Daylight Time (Mexico)" 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.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,-261 = "GMT Daylight Time" 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.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\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-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,-891 = "Morocco Daylight Time" 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.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\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.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,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.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,-161 = "Central Daylight Time" windefender.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,-222 = "Alaskan Standard Time" 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2500 powershell.exe 2500 powershell.exe 2124 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 2124 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 728 powershell.exe 728 powershell.exe 748 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 748 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 748 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 748 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 748 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 748 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 748 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 748 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 748 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 748 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 3608 powershell.exe 3608 powershell.exe 3608 powershell.exe 1124 powershell.exe 1124 powershell.exe 1124 powershell.exe 1276 powershell.exe 1276 powershell.exe 2984 powershell.exe 2984 powershell.exe 2984 powershell.exe 3900 powershell.exe 3900 powershell.exe 3900 powershell.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 404 csrss.exe 404 csrss.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 404 csrss.exe 404 csrss.exe 4508 injector.exe 4508 injector.exe 404 csrss.exe 404 csrss.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2500 powershell.exe Token: SeDebugPrivilege 2124 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe Token: SeImpersonatePrivilege 2124 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe Token: SeDebugPrivilege 728 powershell.exe Token: SeDebugPrivilege 3608 powershell.exe Token: SeDebugPrivilege 1124 powershell.exe Token: SeDebugPrivilege 1276 powershell.exe Token: SeDebugPrivilege 2984 powershell.exe Token: SeDebugPrivilege 3900 powershell.exe Token: SeSystemEnvironmentPrivilege 404 csrss.exe Token: SeSecurityPrivilege 1568 sc.exe Token: SeSecurityPrivilege 1568 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2124 wrote to memory of 2500 2124 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 86 PID 2124 wrote to memory of 2500 2124 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 86 PID 2124 wrote to memory of 2500 2124 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 86 PID 748 wrote to memory of 728 748 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 95 PID 748 wrote to memory of 728 748 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 95 PID 748 wrote to memory of 728 748 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 95 PID 748 wrote to memory of 3500 748 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 97 PID 748 wrote to memory of 3500 748 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 97 PID 3500 wrote to memory of 4700 3500 cmd.exe 99 PID 3500 wrote to memory of 4700 3500 cmd.exe 99 PID 748 wrote to memory of 3608 748 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 102 PID 748 wrote to memory of 3608 748 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 102 PID 748 wrote to memory of 3608 748 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 102 PID 748 wrote to memory of 1124 748 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 104 PID 748 wrote to memory of 1124 748 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 104 PID 748 wrote to memory of 1124 748 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 104 PID 748 wrote to memory of 404 748 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 106 PID 748 wrote to memory of 404 748 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 106 PID 748 wrote to memory of 404 748 4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe 106 PID 404 wrote to memory of 1276 404 csrss.exe 107 PID 404 wrote to memory of 1276 404 csrss.exe 107 PID 404 wrote to memory of 1276 404 csrss.exe 107 PID 404 wrote to memory of 2984 404 csrss.exe 112 PID 404 wrote to memory of 2984 404 csrss.exe 112 PID 404 wrote to memory of 2984 404 csrss.exe 112 PID 404 wrote to memory of 3900 404 csrss.exe 115 PID 404 wrote to memory of 3900 404 csrss.exe 115 PID 404 wrote to memory of 3900 404 csrss.exe 115 PID 404 wrote to memory of 4508 404 csrss.exe 117 PID 404 wrote to memory of 4508 404 csrss.exe 117 PID 2404 wrote to memory of 2192 2404 windefender.exe 123 PID 2404 wrote to memory of 2192 2404 windefender.exe 123 PID 2404 wrote to memory of 2192 2404 windefender.exe 123 PID 2192 wrote to memory of 1568 2192 cmd.exe 124 PID 2192 wrote to memory of 1568 2192 cmd.exe 124 PID 2192 wrote to memory of 1568 2192 cmd.exe 124 -
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\4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe"C:\Users\Admin\AppData\Local\Temp\4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2124 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2500
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C:\Users\Admin\AppData\Local\Temp\4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.exe"C:\Users\Admin\AppData\Local\Temp\4b69db1ac8729ab4224e692b91b44b38905ba3b37d259315ffbf47d42f391942.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:748 -
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:728
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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:3500 -
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:4700
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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:3608
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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:1124
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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:404 -
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:1276
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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:2408
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4352
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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:2984
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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:3900
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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:4508
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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:1948
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2404 -
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:2192 -
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:1568
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:904
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
MD5f105de8c8c56645784320b72a26b87e2
SHA10689e14ec56e8444756b0dd9cac8022520f40998
SHA2567d59b22a870b424d52ecbeb1d5026c98e711d2777166d0aed7f719e556b410c5
SHA512df4ef2276e73aeb49073433772508dc76b638697e95c06414949c531bd06f93cc42c2da5e11048a294f31550d6a968171881c1088009ba41e76bb2ce3b1605b4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50d424b303f45b64e08f249764bda2c8b
SHA18c7b017e0145e100212516a1de3ee440bfe9b9db
SHA256215265d5e7bc6ec705620b80b5a40bd27ddd8d49688032b022dc2478c36946bb
SHA5120c210b1daa59fd772ff641d323d663e47537509a9e7a589de3ec08139014f7fded28b575090ae1437780ddf900c4b4775019b06acc71be4437df7d8dc694e9ac
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD526e46486c5f58d4d3ad1583e363828db
SHA1d4bb8a72bf62c9c9073d2c3b906ad09e959cba31
SHA25699d9f7cdc93ceea3d856e747c146b8f7080fda189e81008c5443002e6c34c556
SHA5125649ed900aa5b413d1e57b7f6f057e42d239321bced2540219539283ec868a9feff1ec1b38c251e63e187204a63fdd9cff8913a38b361812a7568905d77357b5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55d6fa89c475691ce9310f19c415c0dcb
SHA1333420d99e73fe6e487c547a14ece2983e2d8570
SHA256b2462d3543bc49446a1f212ded0eae94a100a50043bcedacf2eccbbbdf3f7d47
SHA5126c1f28ea4d8f0132ed8fba9cbb8a42ab1aff45be0fc1a30de5041e7a8e3ca0184618106ae04c7eefe85b638220540df7a54e2ca8f153a7f28ce90090eda3ed28
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d236a27e57688919dd379e54b0685e6b
SHA125766c19c2c93918eb4915cd107447b53fc20115
SHA256f591b9963176234537b3bdf01a62be39dd2a414f15e388b17502e45abe3e9122
SHA51265daec8996d844fb315a23590f5cf927f807692db02076b4904dd60821b9e83e33d973fd4b6e96683c9327d03494cc7d9e9d9d095b6c31c106fbbeef4d9cec7f
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Filesize
2.1MB
MD5c1770242af55691eead6a81058b303e0
SHA18b5ecbc0dd8236a6238a52716b825c75fb5a2ab4
SHA256c362b92df0cb8a239b1adf6c8c455ea213dc2d4811b927e3c5cd1ca3c089f77f
SHA51219dac876681500c0b10eb4416c230362e36dabe4eecf0c3b004db8cecec9341228d401fa16d310cc2ea2c7f6f668de71ce5a33d3fcf62c7415c019916440f960
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec