Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 07:16
Static task
static1
Behavioral task
behavioral1
Sample
5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe
Resource
win10v2004-20240508-en
General
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Target
5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe
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Size
4.1MB
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MD5
9fa5c0769a1935a9f4d16fe4c771dfd1
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SHA1
5abab6bbd908e7fda02488b4b98ad371b2269178
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SHA256
5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f
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SHA512
9f802ece971efa88125af8aab271c3805b1796e9f793ecba81f84528b298ceb78e7de6ea2c901fd501da88f96a329ec7b15e7c5fbd858bfb2fbeb76f4314b1a3
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SSDEEP
98304:g0IUXroYDzElV89sdV2qHm3LaKbYXl7F29tEHWEXgelgSAZWSyDiLA:bIU7SlV8K2X2AhEHFgekcD
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/4352-2-0x0000000004C00000-0x00000000054EB000-memory.dmp family_glupteba behavioral1/memory/4352-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4352-28-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4352-58-0x0000000004C00000-0x00000000054EB000-memory.dmp family_glupteba behavioral1/memory/4352-60-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4352-59-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3384-86-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3384-140-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3460-163-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3460-222-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3460-234-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3460-238-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3460-242-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3460-246-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3460-250-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3460-254-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3460-258-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3460-262-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3460-266-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3616 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 3460 csrss.exe 3768 injector.exe 4284 windefender.exe 708 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/4284-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/708-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4284-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/708-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/708-245-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\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 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.
Processes:
5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exedescription ioc process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe File created C:\Windows\rss\csrss.exe 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.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.
Processes:
sc.exepid process 2240 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 2240 powershell.exe 1784 powershell.exe 2264 powershell.exe 3964 powershell.exe 4692 powershell.exe 976 powershell.exe 3116 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 2952 schtasks.exe 1484 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exewindefender.exepowershell.exe5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight 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\@tzres.dll,-241 = "Samoa 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.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\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\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,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.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,-2411 = "Marquesas Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exepowershell.exe5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 976 powershell.exe 976 powershell.exe 4352 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe 4352 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe 3116 powershell.exe 3116 powershell.exe 3384 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe 3384 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe 3384 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe 3384 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe 3384 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe 3384 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe 3384 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe 3384 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe 3384 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe 3384 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe 2240 powershell.exe 2240 powershell.exe 1784 powershell.exe 1784 powershell.exe 2264 powershell.exe 2264 powershell.exe 3964 powershell.exe 3964 powershell.exe 4692 powershell.exe 4692 powershell.exe 3768 injector.exe 3768 injector.exe 3768 injector.exe 3768 injector.exe 3768 injector.exe 3768 injector.exe 3460 csrss.exe 3460 csrss.exe 3768 injector.exe 3768 injector.exe 3768 injector.exe 3768 injector.exe 3768 injector.exe 3768 injector.exe 3460 csrss.exe 3460 csrss.exe 3768 injector.exe 3768 injector.exe 3460 csrss.exe 3460 csrss.exe 3768 injector.exe 3768 injector.exe 3768 injector.exe 3768 injector.exe 3768 injector.exe 3768 injector.exe 3768 injector.exe 3768 injector.exe 3768 injector.exe 3768 injector.exe 3768 injector.exe 3768 injector.exe 3768 injector.exe 3768 injector.exe 3768 injector.exe 3768 injector.exe 3768 injector.exe 3768 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 976 powershell.exe Token: SeDebugPrivilege 4352 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Token: SeImpersonatePrivilege 4352 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Token: SeDebugPrivilege 3116 powershell.exe Token: SeDebugPrivilege 2240 powershell.exe Token: SeDebugPrivilege 1784 powershell.exe Token: SeDebugPrivilege 2264 powershell.exe Token: SeDebugPrivilege 3964 powershell.exe Token: SeDebugPrivilege 4692 powershell.exe Token: SeSystemEnvironmentPrivilege 3460 csrss.exe Token: SeSecurityPrivilege 2240 sc.exe Token: SeSecurityPrivilege 2240 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 4352 wrote to memory of 976 4352 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe powershell.exe PID 4352 wrote to memory of 976 4352 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe powershell.exe PID 4352 wrote to memory of 976 4352 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe powershell.exe PID 3384 wrote to memory of 3116 3384 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe powershell.exe PID 3384 wrote to memory of 3116 3384 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe powershell.exe PID 3384 wrote to memory of 3116 3384 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe powershell.exe PID 3384 wrote to memory of 3044 3384 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe cmd.exe PID 3384 wrote to memory of 3044 3384 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe cmd.exe PID 3044 wrote to memory of 3616 3044 cmd.exe netsh.exe PID 3044 wrote to memory of 3616 3044 cmd.exe netsh.exe PID 3384 wrote to memory of 2240 3384 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe powershell.exe PID 3384 wrote to memory of 2240 3384 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe powershell.exe PID 3384 wrote to memory of 2240 3384 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe powershell.exe PID 3384 wrote to memory of 1784 3384 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe powershell.exe PID 3384 wrote to memory of 1784 3384 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe powershell.exe PID 3384 wrote to memory of 1784 3384 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe powershell.exe PID 3384 wrote to memory of 3460 3384 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe csrss.exe PID 3384 wrote to memory of 3460 3384 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe csrss.exe PID 3384 wrote to memory of 3460 3384 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe csrss.exe PID 3460 wrote to memory of 2264 3460 csrss.exe powershell.exe PID 3460 wrote to memory of 2264 3460 csrss.exe powershell.exe PID 3460 wrote to memory of 2264 3460 csrss.exe powershell.exe PID 3460 wrote to memory of 3964 3460 csrss.exe powershell.exe PID 3460 wrote to memory of 3964 3460 csrss.exe powershell.exe PID 3460 wrote to memory of 3964 3460 csrss.exe powershell.exe PID 3460 wrote to memory of 4692 3460 csrss.exe powershell.exe PID 3460 wrote to memory of 4692 3460 csrss.exe powershell.exe PID 3460 wrote to memory of 4692 3460 csrss.exe powershell.exe PID 3460 wrote to memory of 3768 3460 csrss.exe injector.exe PID 3460 wrote to memory of 3768 3460 csrss.exe injector.exe PID 4284 wrote to memory of 4660 4284 windefender.exe cmd.exe PID 4284 wrote to memory of 4660 4284 windefender.exe cmd.exe PID 4284 wrote to memory of 4660 4284 windefender.exe cmd.exe PID 4660 wrote to memory of 2240 4660 cmd.exe sc.exe PID 4660 wrote to memory of 2240 4660 cmd.exe sc.exe PID 4660 wrote to memory of 2240 4660 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\5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe"C:\Users\Admin\AppData\Local\Temp\5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4352 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:976 -
C:\Users\Admin\AppData\Local\Temp\5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe"C:\Users\Admin\AppData\Local\Temp\5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.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:3384 -
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:3116 -
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:3044 -
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:3616 -
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:2240 -
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:1784 -
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:3460 -
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:2264 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2952 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3000
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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:3964 -
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:4692 -
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:3768 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1484 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4284 -
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:4660 -
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:2240
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:708
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
MD5548ec90f3a2507dfd896f0ad8199b40c
SHA1ffd5696fce3f2cc9fce50414945a151ccf003c78
SHA25615833e98c26cf9445d07d9278278e4c94eb1838f8ff8c0da2b876a39ff72fbb5
SHA5125ab4a0692b8a07430ea74162ef8e3d22aa6cb273f29dd7d88fadc16aac539cd2af3897e482889d690b79e120f7ccbfe8417a0ec7d00ee89ab29d3e44de36d2e8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e8c8968097254ce39a36457cd5f9ff41
SHA1def8a44b5baf6993dfe23f3a46c499938a1a76bf
SHA25672f499a53fbdeafc0079f1b875be6b266e1a26ec0571ee4727770f949b43a00a
SHA5126e71ed3df38d3a55484e229579707a5a21eebf4bb5fd44c29ba23a0f6d40e0f7d465b31eb63d8404203e5bf72791cd366d7eff717934672f4768a0faa734dacb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5620ccdfbbf1e75cd6a67185f8586d20b
SHA13443ae16c20d60d7140353abc44090e2dc22a1fa
SHA2566feb8edfa9d53698f9ace3a1eaeac8aa5c0daccace27108bac789a2aa5c0af63
SHA51289f37ceb9ae81058f4877a74ebcee73a8e1021b56a3ca439974fb17f821d7dc928f1c7ea2688944ce29408ff49fa21b488512a365fd9d72721b89e3f538617c2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5699cf2cabb03d046a57ea8f65a963334
SHA1a6a96859c25c8a2a2a7c0065a2498fcaf2afb09e
SHA25617a622a2b9f9b8abad2cb5f26ac758082f9a4292ada23b44a7de7a57b0797086
SHA512a45bcd2732c66aa006c9a9e90465f4a6273f531f2b32cb152fabf7ca92c493fd7ece3a3b60d952f4f667261322141332fbfb5664aaf1586b7eaa20c929cf65a4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aeaaf64d1d027f7fc6aa1682cee459aa
SHA1a3bd68ee0ef36c52de84963a7add307262cc9ce2
SHA256a08ee6c0575bb5420d898af14ea2b422ecab5498469ee54c67d5370506054c6e
SHA5123a8d532851d7d6dc1919c39bc487b369c4fb8ea11de9605026f9b65946762d1bbaf8a0f5300120aaa47894d4874377ed1f4a5698f118898657408b264a0c225c
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Filesize
4.1MB
MD59fa5c0769a1935a9f4d16fe4c771dfd1
SHA15abab6bbd908e7fda02488b4b98ad371b2269178
SHA2565d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f
SHA5129f802ece971efa88125af8aab271c3805b1796e9f793ecba81f84528b298ceb78e7de6ea2c901fd501da88f96a329ec7b15e7c5fbd858bfb2fbeb76f4314b1a3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec