Analysis
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max time kernel
150s -
max time network
157s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 12:44
Static task
static1
Behavioral task
behavioral1
Sample
4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe
Resource
win10v2004-20240426-en
General
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Target
4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe
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Size
4.1MB
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MD5
49841b2e28ec3064a96349c412ce30c7
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SHA1
5c967fe752f5f93f1d433133aff4dfcd98a71879
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SHA256
4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e
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SHA512
430c10e5ff3868b37db2154584b8b376d90519fd91a07ad7296a26687669a1c9901b8b0aed141c1b2f2c5215d2e54d67275a93817ee004e38b6234b2123d4dbd
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SSDEEP
98304:fBVs1p4PpCxl89qkqVHLjfQjDTn2r+NbZ:pa1p4P0l8MfVLMTrZ
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2832-2-0x0000000004CF0000-0x00000000055DB000-memory.dmp family_glupteba behavioral2/memory/2832-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2832-24-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2832-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2832-55-0x0000000004CF0000-0x00000000055DB000-memory.dmp family_glupteba behavioral2/memory/2832-52-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2132-78-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2132-127-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4388-153-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4388-207-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4388-217-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4388-219-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4388-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4388-223-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4388-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4388-227-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4388-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4388-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4388-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2912 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4388 csrss.exe 2880 injector.exe 1884 windefender.exe 648 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa66-210.dat upx behavioral2/memory/1884-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/648-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1884-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/648-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/648-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/648-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\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 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 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 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe File created C:\Windows\rss\csrss.exe 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification 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 3208 sc.exe -
pid Process 4844 powershell.exe 2008 powershell.exe 4336 powershell.exe 2568 powershell.exe 2620 powershell.exe 2164 powershell.exe 1100 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 1536 schtasks.exe 4812 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,-2392 = "Aleutian Standard Time" 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.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,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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,-449 = "Azerbaijan Standard Time" 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard 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" 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea 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\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.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,-435 = "Georgian Standard 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" 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4336 powershell.exe 4336 powershell.exe 2832 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 2832 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 2568 powershell.exe 2568 powershell.exe 2132 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 2132 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 2132 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 2132 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 2132 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 2132 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 2132 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 2132 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 2132 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 2132 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 2620 powershell.exe 2620 powershell.exe 2164 powershell.exe 2164 powershell.exe 1100 powershell.exe 1100 powershell.exe 4844 powershell.exe 4844 powershell.exe 2008 powershell.exe 2008 powershell.exe 2880 injector.exe 2880 injector.exe 2880 injector.exe 2880 injector.exe 2880 injector.exe 2880 injector.exe 4388 csrss.exe 4388 csrss.exe 2880 injector.exe 2880 injector.exe 2880 injector.exe 2880 injector.exe 2880 injector.exe 2880 injector.exe 4388 csrss.exe 4388 csrss.exe 2880 injector.exe 2880 injector.exe 4388 csrss.exe 4388 csrss.exe 2880 injector.exe 2880 injector.exe 2880 injector.exe 2880 injector.exe 2880 injector.exe 2880 injector.exe 2880 injector.exe 2880 injector.exe 2880 injector.exe 2880 injector.exe 2880 injector.exe 2880 injector.exe 2880 injector.exe 2880 injector.exe 2880 injector.exe 2880 injector.exe 2880 injector.exe 2880 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4336 powershell.exe Token: SeDebugPrivilege 2832 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe Token: SeImpersonatePrivilege 2832 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe Token: SeDebugPrivilege 2568 powershell.exe Token: SeDebugPrivilege 2620 powershell.exe Token: SeDebugPrivilege 2164 powershell.exe Token: SeDebugPrivilege 1100 powershell.exe Token: SeDebugPrivilege 4844 powershell.exe Token: SeDebugPrivilege 2008 powershell.exe Token: SeSystemEnvironmentPrivilege 4388 csrss.exe Token: SeSecurityPrivilege 3208 sc.exe Token: SeSecurityPrivilege 3208 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2832 wrote to memory of 4336 2832 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 82 PID 2832 wrote to memory of 4336 2832 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 82 PID 2832 wrote to memory of 4336 2832 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 82 PID 2132 wrote to memory of 2568 2132 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 87 PID 2132 wrote to memory of 2568 2132 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 87 PID 2132 wrote to memory of 2568 2132 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 87 PID 2132 wrote to memory of 4724 2132 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 89 PID 2132 wrote to memory of 4724 2132 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 89 PID 4724 wrote to memory of 2912 4724 cmd.exe 91 PID 4724 wrote to memory of 2912 4724 cmd.exe 91 PID 2132 wrote to memory of 2620 2132 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 92 PID 2132 wrote to memory of 2620 2132 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 92 PID 2132 wrote to memory of 2620 2132 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 92 PID 2132 wrote to memory of 2164 2132 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 94 PID 2132 wrote to memory of 2164 2132 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 94 PID 2132 wrote to memory of 2164 2132 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 94 PID 2132 wrote to memory of 4388 2132 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 96 PID 2132 wrote to memory of 4388 2132 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 96 PID 2132 wrote to memory of 4388 2132 4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe 96 PID 4388 wrote to memory of 1100 4388 csrss.exe 97 PID 4388 wrote to memory of 1100 4388 csrss.exe 97 PID 4388 wrote to memory of 1100 4388 csrss.exe 97 PID 4388 wrote to memory of 4844 4388 csrss.exe 102 PID 4388 wrote to memory of 4844 4388 csrss.exe 102 PID 4388 wrote to memory of 4844 4388 csrss.exe 102 PID 4388 wrote to memory of 2008 4388 csrss.exe 105 PID 4388 wrote to memory of 2008 4388 csrss.exe 105 PID 4388 wrote to memory of 2008 4388 csrss.exe 105 PID 4388 wrote to memory of 2880 4388 csrss.exe 107 PID 4388 wrote to memory of 2880 4388 csrss.exe 107 PID 1884 wrote to memory of 1620 1884 windefender.exe 113 PID 1884 wrote to memory of 1620 1884 windefender.exe 113 PID 1884 wrote to memory of 1620 1884 windefender.exe 113 PID 1620 wrote to memory of 3208 1620 cmd.exe 114 PID 1620 wrote to memory of 3208 1620 cmd.exe 114 PID 1620 wrote to memory of 3208 1620 cmd.exe 114 -
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\4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe"C:\Users\Admin\AppData\Local\Temp\4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2832 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4336
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C:\Users\Admin\AppData\Local\Temp\4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.exe"C:\Users\Admin\AppData\Local\Temp\4e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e.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:2132 -
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:2568
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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:4724 -
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:2912
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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:2620
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2164
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4388 -
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:1100
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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:4812
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3700
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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:4844
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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:2008
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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:2880
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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:1536
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1884 -
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:1620 -
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:3208
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:648
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57567218771e7125b2a286218d20b9d2d
SHA131c62dfe661e190e2f70aea86119e11fdfc3aa86
SHA2560c17d659d3bd19169fa3ecd826fb20472c1a7e51821cd3d8aa5e62b64309dfbb
SHA512df3963802b7c410362eaad80ca40387cf0a49c51bbf8860c13e4ce3050675e4823d5fa7f8a8c139fd8b7140af0a617c1ec1b7a6cf8f09bbd7d8a081c6b367343
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56bff3c39bfde1b669f2ce17a56661aa5
SHA1c5a5bb3780c7fff50c2e7dff643f24306cbf9b32
SHA25694104bc31effa2b0b48c8420392541b39a8bd00e0c1d663ea097e48dda8a0270
SHA512c0a4b7fd357170655dfbea5922bbe9072859c08b1b3619a5c121b623fbcb3ee7f9a464924884044fb1418bfa81e3b0775fe6f58bc7e6e1984c2ced5896b46f5d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57fc4ab451bbfc53874a0a1f8df1f50c5
SHA1f291188a95a137921bab2e4c0df630c9ac9064f9
SHA256a53bd9c1d86c83f74eefba6b9d7263925a0c490106f67fdf7dd7b467ab7a250c
SHA51235924ce2696f965d54e6e7fc6b951aa1ad5857f61e0edca436a9716c4b4a63cc8c3db30adb3f9696532929709767687d4914401e79a6f3bc632f09b29acddacd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d8e4e501a67f59874018c523999be172
SHA178399901f628fbc1b56a23761d7e5f6eb3d0c1ea
SHA2566a68eb63c70a446a3818de47f72be613c99463c25dc6be836a19ef4695fda4bd
SHA512cbb7b096bbe358989fad27e9fa901ee0fa98f1bfcdc7b54877d13872c581c88332fc4887581f3dadf2c5d3a8a60a11f0a4b0c079d20f23ba3144a23d5792aed8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cb48a1d80dc8ad430d357d14d5b840f0
SHA168d6a2d1e2c54fe067eeb167d3667b70ade3201b
SHA256579f6e66ae5d3879f371e27fe433fa72606d3121e60215c02ece2370e80fad38
SHA512834779ce71d8f559f3ba3b173b052248b623d800e39dff081d13b1c5055c1802c5bb3c381f0c0bcf998ebfbacc1db12c9483e33c9596e6863206a6241f45ff38
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Filesize
4.1MB
MD549841b2e28ec3064a96349c412ce30c7
SHA15c967fe752f5f93f1d433133aff4dfcd98a71879
SHA2564e3530c68beda0ec9bfb49b078425165825ea7f1ed79463b898d458febf7c23e
SHA512430c10e5ff3868b37db2154584b8b376d90519fd91a07ad7296a26687669a1c9901b8b0aed141c1b2f2c5215d2e54d67275a93817ee004e38b6234b2123d4dbd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec