Analysis
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max time kernel
149s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 04:50
Static task
static1
Behavioral task
behavioral1
Sample
d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe
Resource
win10v2004-20240508-en
General
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Target
d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe
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Size
4.1MB
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MD5
734cf54369cc5ff1c9046bee9932bcd9
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SHA1
2054b657689bda938332a307db743511cb0db0a6
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SHA256
d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3
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SHA512
dd85f1672836ddb0d7c36130ee0db9117c1036e5325e5ce50db2e1422a80a5017ea72ea2b8659ff8227f1828e3c0cb8f63dcae3ff06e2fe14d04bae328ce46b8
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SSDEEP
98304:HquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb00:YLmIkbquibpii2yAk4+2fEKmbX
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/3204-2-0x0000000002D90000-0x000000000367B000-memory.dmp family_glupteba behavioral1/memory/3204-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3488-56-0x0000000002D20000-0x000000000360B000-memory.dmp family_glupteba behavioral1/memory/3204-79-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3204-81-0x0000000002D90000-0x000000000367B000-memory.dmp family_glupteba behavioral1/memory/3488-131-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3488-136-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/8-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/8-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/8-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/8-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/8-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/8-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/8-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/8-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/8-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/8-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/8-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/8-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4356 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 8 csrss.exe 3312 injector.exe 3700 windefender.exe 1160 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/3700-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1160-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3700-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1160-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1160-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1160-245-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.exed9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.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\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 File created 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:
d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe -
Drops file in Windows directory 4 IoCs
Processes:
d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.execsrss.exedescription ioc process File created C:\Windows\rss\csrss.exe d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe 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 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 2288 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 2304 powershell.exe 1512 powershell.exe 824 powershell.exe 4228 powershell.exe 1156 powershell.exe 3024 powershell.exe 3140 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 4696 schtasks.exe 1860 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exed9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard 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\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.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,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard 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,-122 = "SA Pacific Standard Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.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,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exed9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exepowershell.exed9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 824 powershell.exe 824 powershell.exe 3204 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe 3204 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe 4228 powershell.exe 4228 powershell.exe 3488 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe 3488 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe 3488 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe 3488 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe 3488 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe 3488 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe 3488 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe 3488 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe 3488 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe 3488 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe 1156 powershell.exe 1156 powershell.exe 3024 powershell.exe 3024 powershell.exe 3140 powershell.exe 3140 powershell.exe 2304 powershell.exe 2304 powershell.exe 1512 powershell.exe 1512 powershell.exe 3312 injector.exe 3312 injector.exe 3312 injector.exe 3312 injector.exe 3312 injector.exe 3312 injector.exe 8 csrss.exe 8 csrss.exe 3312 injector.exe 3312 injector.exe 3312 injector.exe 3312 injector.exe 3312 injector.exe 3312 injector.exe 8 csrss.exe 8 csrss.exe 3312 injector.exe 3312 injector.exe 8 csrss.exe 8 csrss.exe 3312 injector.exe 3312 injector.exe 3312 injector.exe 3312 injector.exe 3312 injector.exe 3312 injector.exe 3312 injector.exe 3312 injector.exe 3312 injector.exe 3312 injector.exe 3312 injector.exe 3312 injector.exe 3312 injector.exe 3312 injector.exe 3312 injector.exe 3312 injector.exe 3312 injector.exe 3312 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exed9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 824 powershell.exe Token: SeDebugPrivilege 3204 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Token: SeImpersonatePrivilege 3204 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Token: SeDebugPrivilege 4228 powershell.exe Token: SeDebugPrivilege 1156 powershell.exe Token: SeDebugPrivilege 3024 powershell.exe Token: SeDebugPrivilege 3140 powershell.exe Token: SeDebugPrivilege 2304 powershell.exe Token: SeDebugPrivilege 1512 powershell.exe Token: SeSystemEnvironmentPrivilege 8 csrss.exe Token: SeSecurityPrivilege 2288 sc.exe Token: SeSecurityPrivilege 2288 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exed9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 3204 wrote to memory of 824 3204 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe powershell.exe PID 3204 wrote to memory of 824 3204 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe powershell.exe PID 3204 wrote to memory of 824 3204 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe powershell.exe PID 3488 wrote to memory of 4228 3488 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe powershell.exe PID 3488 wrote to memory of 4228 3488 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe powershell.exe PID 3488 wrote to memory of 4228 3488 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe powershell.exe PID 3488 wrote to memory of 2220 3488 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe cmd.exe PID 3488 wrote to memory of 2220 3488 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe cmd.exe PID 2220 wrote to memory of 4356 2220 cmd.exe netsh.exe PID 2220 wrote to memory of 4356 2220 cmd.exe netsh.exe PID 3488 wrote to memory of 1156 3488 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe powershell.exe PID 3488 wrote to memory of 1156 3488 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe powershell.exe PID 3488 wrote to memory of 1156 3488 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe powershell.exe PID 3488 wrote to memory of 3024 3488 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe powershell.exe PID 3488 wrote to memory of 3024 3488 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe powershell.exe PID 3488 wrote to memory of 3024 3488 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe powershell.exe PID 3488 wrote to memory of 8 3488 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe csrss.exe PID 3488 wrote to memory of 8 3488 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe csrss.exe PID 3488 wrote to memory of 8 3488 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe csrss.exe PID 8 wrote to memory of 3140 8 csrss.exe powershell.exe PID 8 wrote to memory of 3140 8 csrss.exe powershell.exe PID 8 wrote to memory of 3140 8 csrss.exe powershell.exe PID 8 wrote to memory of 2304 8 csrss.exe powershell.exe PID 8 wrote to memory of 2304 8 csrss.exe powershell.exe PID 8 wrote to memory of 2304 8 csrss.exe powershell.exe PID 8 wrote to memory of 1512 8 csrss.exe powershell.exe PID 8 wrote to memory of 1512 8 csrss.exe powershell.exe PID 8 wrote to memory of 1512 8 csrss.exe powershell.exe PID 8 wrote to memory of 3312 8 csrss.exe injector.exe PID 8 wrote to memory of 3312 8 csrss.exe injector.exe PID 3700 wrote to memory of 2520 3700 windefender.exe cmd.exe PID 3700 wrote to memory of 2520 3700 windefender.exe cmd.exe PID 3700 wrote to memory of 2520 3700 windefender.exe cmd.exe PID 2520 wrote to memory of 2288 2520 cmd.exe sc.exe PID 2520 wrote to memory of 2288 2520 cmd.exe sc.exe PID 2520 wrote to memory of 2288 2520 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\d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe"C:\Users\Admin\AppData\Local\Temp\d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3204 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:824 -
C:\Users\Admin\AppData\Local\Temp\d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe"C:\Users\Admin\AppData\Local\Temp\d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.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:3488 -
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:4228 -
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:2220 -
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:4356 -
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:1156 -
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:3024 -
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:8 -
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:3140 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4696 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3244
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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:2304 -
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:1512 -
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:3312 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1860 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3700 -
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:2520 -
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:2288
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1160
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
MD5b05dfdf24b07ab57533958cb0cc165b9
SHA1d5811149d929774dee6f79e716df109d1f77ab7b
SHA2563c55811420fc1ff966e33576cf922cf8e3304b237c9fee9e92345ae5a75707e3
SHA512a00460feb1bdf35b544325b046ebc1511bc657fc0f24e5779081af6bcc023e7da51f11591ffb281e2028152222b07d6dff02e224c6a663a5adc4c004a5ab1087
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ca100aaf3ebdeafb5d72055baafbb72e
SHA16eb78de12fe859b1711181f53c7e73aea955973c
SHA2562142db6ce752480f35dfc89721d6ca958a00750f15df86540521d1c833bf7404
SHA512e0e530855d6b3f87c406a1b9d98990af7a89a915bd7a8857ade7b08521ed8abbc97478f32de9b7826f20af4489fc91269288cc52d3ffa5b76384d063a02cc5ec
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50e53a91b6ae887c166f7b0fbb9f75ac0
SHA123d910e873158a539d6f775b0b6b753c6b50169a
SHA2565476f5fd93f7644e7678687f1414a26efbbcb9017fb64e61f04b7bd0dce2de34
SHA51235f787f29fba1df80a4c33d9a67a049895ed448bb91512d7bc421ad35ea62f5e3ee9d2ba120b562ca7cdb98cb5696cddb2d6463bb872984ff107cf0248db0d94
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d05518cc2ac5707d8fa3610657efb9f3
SHA1fe452b57e13eb975d3d1d02188e21aad1b77497d
SHA256fec15c0d3f1006aaec1900e8b082acf77bcb839a6d81903098f7929db39fe827
SHA51271c460e5c8adc6e8acb5aedaba4ce50295db4e71deceb7d99714d8a835b274a23333f87ca51de0aea56d02ff6f5a9f75fcccbcb76107b0a55425ddd84e2854a9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51e270cc678328e528c0caf9dee93befd
SHA1e88a8600ddbde9826b7cdb34e68344df865b68ca
SHA2565a67e923f3ad5fd706a2c67b33d9be13c70d15b750ae979e758efd1944f1d79d
SHA5123e982f547ba97f34e80579640e3a2c033c1b7df93ff0379bf01ae4ae210af7130d4c0616be206d6e4ef9fb3b65a067798476d9f0bc256b6db056a0f646e57e61
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Filesize
4.1MB
MD5734cf54369cc5ff1c9046bee9932bcd9
SHA12054b657689bda938332a307db743511cb0db0a6
SHA256d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3
SHA512dd85f1672836ddb0d7c36130ee0db9117c1036e5325e5ce50db2e1422a80a5017ea72ea2b8659ff8227f1828e3c0cb8f63dcae3ff06e2fe14d04bae328ce46b8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec