Analysis
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max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-04-2024 14:03
Static task
static1
Behavioral task
behavioral1
Sample
587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe
Resource
win10v2004-20240412-en
General
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Target
587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe
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Size
4.2MB
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MD5
1464a85c07151d5c6a8d2df2e0d77234
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SHA1
00541aea9d9cc6dbb41516d5950a5e977f8d693b
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SHA256
587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8
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SHA512
588800de348f85980a2193b9d02539fdb62c4f1b09358d46fe925698504a475f7c37b946eb9ea874aedb9fde56c884822d134404b3c22f8690f6428499a01ff8
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SSDEEP
98304:Du15A1GiNRFuKfVvdEh8/k6ld6teGU//blllQO5EUt0+BFZRUpdVY+:DaARFuKJWhQkavn//blllQdNaFDGX5
Malware Config
Signatures
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Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral2/memory/4784-2-0x0000000004040000-0x000000000492B000-memory.dmp family_glupteba behavioral2/memory/4784-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3096-45-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4784-46-0x0000000004040000-0x000000000492B000-memory.dmp family_glupteba behavioral2/memory/4784-58-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3096-112-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3096-144-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1052-240-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1052-250-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1052-253-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1052-256-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1052-259-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1052-262-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1052-265-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1052-268-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1052-271-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1052-274-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1052-277-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1052-280-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1052-283-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2992 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 1052 csrss.exe 236 injector.exe 1304 windefender.exe 908 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/1304-249-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/908-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/908-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\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.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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 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 -
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.
Processes:
587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exedescription ioc process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe File created C:\Windows\rss\csrss.exe 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 1440 sc.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4796 1232 WerFault.exe powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 668 schtasks.exe 2356 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exe587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.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\26\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.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\26\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exepowershell.exe587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 1232 powershell.exe 1232 powershell.exe 4784 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe 4784 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe 3060 powershell.exe 3060 powershell.exe 3096 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe 3096 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe 3096 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe 3096 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe 3096 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe 3096 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe 3096 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe 3096 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe 3096 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe 3096 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe 3932 powershell.exe 3932 powershell.exe 2780 powershell.exe 2780 powershell.exe 4684 powershell.exe 4684 powershell.exe 1492 powershell.exe 1492 powershell.exe 2592 powershell.exe 2592 powershell.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 1052 csrss.exe 1052 csrss.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 1052 csrss.exe 1052 csrss.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 1052 csrss.exe 1052 csrss.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 1232 powershell.exe Token: SeDebugPrivilege 4784 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe Token: SeImpersonatePrivilege 4784 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe Token: SeDebugPrivilege 3060 powershell.exe Token: SeDebugPrivilege 3932 powershell.exe Token: SeDebugPrivilege 2780 powershell.exe Token: SeDebugPrivilege 4684 powershell.exe Token: SeDebugPrivilege 1492 powershell.exe Token: SeDebugPrivilege 2592 powershell.exe Token: SeSystemEnvironmentPrivilege 1052 csrss.exe Token: SeSecurityPrivilege 1440 sc.exe Token: SeSecurityPrivilege 1440 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 4784 wrote to memory of 1232 4784 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe powershell.exe PID 4784 wrote to memory of 1232 4784 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe powershell.exe PID 4784 wrote to memory of 1232 4784 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe powershell.exe PID 3096 wrote to memory of 3060 3096 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe powershell.exe PID 3096 wrote to memory of 3060 3096 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe powershell.exe PID 3096 wrote to memory of 3060 3096 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe powershell.exe PID 3096 wrote to memory of 3336 3096 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe cmd.exe PID 3096 wrote to memory of 3336 3096 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe cmd.exe PID 3336 wrote to memory of 2992 3336 cmd.exe netsh.exe PID 3336 wrote to memory of 2992 3336 cmd.exe netsh.exe PID 3096 wrote to memory of 3932 3096 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe powershell.exe PID 3096 wrote to memory of 3932 3096 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe powershell.exe PID 3096 wrote to memory of 3932 3096 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe powershell.exe PID 3096 wrote to memory of 2780 3096 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe powershell.exe PID 3096 wrote to memory of 2780 3096 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe powershell.exe PID 3096 wrote to memory of 2780 3096 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe powershell.exe PID 3096 wrote to memory of 1052 3096 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe csrss.exe PID 3096 wrote to memory of 1052 3096 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe csrss.exe PID 3096 wrote to memory of 1052 3096 587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe csrss.exe PID 1052 wrote to memory of 4684 1052 csrss.exe powershell.exe PID 1052 wrote to memory of 4684 1052 csrss.exe powershell.exe PID 1052 wrote to memory of 4684 1052 csrss.exe powershell.exe PID 1052 wrote to memory of 1492 1052 csrss.exe powershell.exe PID 1052 wrote to memory of 1492 1052 csrss.exe powershell.exe PID 1052 wrote to memory of 1492 1052 csrss.exe powershell.exe PID 1052 wrote to memory of 2592 1052 csrss.exe powershell.exe PID 1052 wrote to memory of 2592 1052 csrss.exe powershell.exe PID 1052 wrote to memory of 2592 1052 csrss.exe powershell.exe PID 1052 wrote to memory of 236 1052 csrss.exe injector.exe PID 1052 wrote to memory of 236 1052 csrss.exe injector.exe PID 1304 wrote to memory of 1316 1304 windefender.exe cmd.exe PID 1304 wrote to memory of 1316 1304 windefender.exe cmd.exe PID 1304 wrote to memory of 1316 1304 windefender.exe cmd.exe PID 1316 wrote to memory of 1440 1316 cmd.exe sc.exe PID 1316 wrote to memory of 1440 1316 cmd.exe sc.exe PID 1316 wrote to memory of 1440 1316 cmd.exe sc.exe -
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\587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe"C:\Users\Admin\AppData\Local\Temp\587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4784 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1232 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1232 -s 22883⤵
- Program crash
PID:4796
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C:\Users\Admin\AppData\Local\Temp\587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.exe"C:\Users\Admin\AppData\Local\Temp\587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8.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:3096 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3060
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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:3336 -
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:2992
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3932
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2780
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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:1052 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4684
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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:668
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:952
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1492
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2592
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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:236
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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:2356
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1304 -
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:1316 -
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:1440
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 1232 -ip 12321⤵PID:2736
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:908
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
MD526b7960196bd417ced3deab8e3b966b4
SHA11365f41ed3c0c1a0b37cf5a350d7cf05dc0b084d
SHA25679b87f63b1ffc4a08c7e253f87fe3556968392cfcdcd0fd23b5498904cfb554e
SHA512b63937d1aba0cd948288cfc89f88e8357a8e8fd621749d789634acce67fe29511d6db1ac966daa6777d4ba3c60945da771b1ddb9729e759d54e77e0edf1bc864
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5150a5beadbd88e626c13a96725ff2775
SHA1ef839029abecf6c171f8e2d293ebe584fad3f312
SHA25682bdf8e91392282ced2da55e14f03aab2ad9119e0906c6d41ff34ac5408df31c
SHA512a061fe5b9ae89eb62824c87cb3d28280f690b9d9217661ef487e1d202afffecd34f20dc2791fb70e50794dd8e1a15cf6fc8d77cf771374eea18e7b6396ee75a9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5686460eb1762911b8bd4aff215e0b835
SHA1d6066a59b842af5e097f71896bf31984ad4454b8
SHA256785a520a98f3f620cf5c436ffe86630f5f272b7d48368c328c818ec9dd043c24
SHA5126c1466808bfae72d7b34ab07136697a3580e60b7d15eb5245d3f9ed27c33356f0851ab8fc1feba96e8b5d4dd7d3dd2907fefaaceb170154751761bfdcc0b1015
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d216d759666748e79799631853654d35
SHA168620059ba36d06df0e07bc19b58d663361a6935
SHA256646d3fcd2d3751e067d87cb7b9f3d137dff4a9c8518d4c7d6c12b7fb025bf4dc
SHA51253ed18a6c7689ab1ef218230b5eba7407a1865d3a1a4f76ea8084eeb8373c33c05da5e068043bfeb256965850ec244ac39af9839e382c119a30eed2c72f60d52
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5faa0f022aff7adc413d1d2e11784bd17
SHA1e2e46a9750bbbd86c540ecd6ffff5f7f933ae5c8
SHA256e85a176bccfa371335d64d2fe818fdada8e0f5db344585157762cac87cd764fc
SHA5127a7bbcb88c781d41e0b93f0d5aaeae6969ded2b04c006519c62038aa8050c827fb889d779d06f978cf81b5c88d65d3d41028ae3eace19dbfa193bc1eb43c4917
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Filesize
4.2MB
MD51464a85c07151d5c6a8d2df2e0d77234
SHA100541aea9d9cc6dbb41516d5950a5e977f8d693b
SHA256587a31895fca4e9896d0d9eae111008fc2a95868737264d41076fc290b880da8
SHA512588800de348f85980a2193b9d02539fdb62c4f1b09358d46fe925698504a475f7c37b946eb9ea874aedb9fde56c884822d134404b3c22f8690f6428499a01ff8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec