Analysis
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max time kernel
149s -
max time network
146s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-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 18 IoCs
Processes:
resource yara_rule behavioral2/memory/444-2-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/444-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/444-77-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/444-119-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1140-192-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4268-200-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4268-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4268-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4268-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4268-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4268-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4268-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4268-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4268-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4268-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4268-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4268-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4268-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4896 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4268 csrss.exe 4484 injector.exe 1492 windefender.exe 5080 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/1492-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1492-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5080-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5080-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5080-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\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:
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 2240 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 1240 powershell.exe 4972 powershell.exe 2696 powershell.exe 1560 powershell.exe 2504 powershell.exe 4832 powershell.exe 3492 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 1160 schtasks.exe 3676 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exepowershell.exepowershell.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.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,-1841 = "Russia TZ 4 Daylight 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,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight 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\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exed9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exepowershell.exed9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 1240 powershell.exe 1240 powershell.exe 444 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe 444 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe 4972 powershell.exe 4972 powershell.exe 1140 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe 1140 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe 1140 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe 1140 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe 1140 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe 1140 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe 1140 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe 1140 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe 1140 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe 1140 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe 2696 powershell.exe 2696 powershell.exe 1560 powershell.exe 1560 powershell.exe 2504 powershell.exe 2504 powershell.exe 4832 powershell.exe 4832 powershell.exe 3492 powershell.exe 3492 powershell.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4268 csrss.exe 4268 csrss.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4268 csrss.exe 4268 csrss.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4268 csrss.exe 4268 csrss.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exed9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 1240 powershell.exe Token: SeDebugPrivilege 444 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Token: SeImpersonatePrivilege 444 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe Token: SeDebugPrivilege 4972 powershell.exe Token: SeDebugPrivilege 2696 powershell.exe Token: SeDebugPrivilege 1560 powershell.exe Token: SeDebugPrivilege 2504 powershell.exe Token: SeDebugPrivilege 4832 powershell.exe Token: SeDebugPrivilege 3492 powershell.exe Token: SeSystemEnvironmentPrivilege 4268 csrss.exe Token: SeSecurityPrivilege 2240 sc.exe Token: SeSecurityPrivilege 2240 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exed9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 444 wrote to memory of 1240 444 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe powershell.exe PID 444 wrote to memory of 1240 444 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe powershell.exe PID 444 wrote to memory of 1240 444 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe powershell.exe PID 1140 wrote to memory of 4972 1140 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe powershell.exe PID 1140 wrote to memory of 4972 1140 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe powershell.exe PID 1140 wrote to memory of 4972 1140 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe powershell.exe PID 1140 wrote to memory of 3524 1140 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe cmd.exe PID 1140 wrote to memory of 3524 1140 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe cmd.exe PID 3524 wrote to memory of 4896 3524 cmd.exe netsh.exe PID 3524 wrote to memory of 4896 3524 cmd.exe netsh.exe PID 1140 wrote to memory of 2696 1140 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe powershell.exe PID 1140 wrote to memory of 2696 1140 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe powershell.exe PID 1140 wrote to memory of 2696 1140 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe powershell.exe PID 1140 wrote to memory of 1560 1140 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe powershell.exe PID 1140 wrote to memory of 1560 1140 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe powershell.exe PID 1140 wrote to memory of 1560 1140 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe powershell.exe PID 1140 wrote to memory of 4268 1140 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe csrss.exe PID 1140 wrote to memory of 4268 1140 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe csrss.exe PID 1140 wrote to memory of 4268 1140 d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3.exe csrss.exe PID 4268 wrote to memory of 2504 4268 csrss.exe powershell.exe PID 4268 wrote to memory of 2504 4268 csrss.exe powershell.exe PID 4268 wrote to memory of 2504 4268 csrss.exe powershell.exe PID 4268 wrote to memory of 4832 4268 csrss.exe powershell.exe PID 4268 wrote to memory of 4832 4268 csrss.exe powershell.exe PID 4268 wrote to memory of 4832 4268 csrss.exe powershell.exe PID 4268 wrote to memory of 3492 4268 csrss.exe powershell.exe PID 4268 wrote to memory of 3492 4268 csrss.exe powershell.exe PID 4268 wrote to memory of 3492 4268 csrss.exe powershell.exe PID 4268 wrote to memory of 4484 4268 csrss.exe injector.exe PID 4268 wrote to memory of 4484 4268 csrss.exe injector.exe PID 1492 wrote to memory of 1808 1492 windefender.exe cmd.exe PID 1492 wrote to memory of 1808 1492 windefender.exe cmd.exe PID 1492 wrote to memory of 1808 1492 windefender.exe cmd.exe PID 1808 wrote to memory of 2240 1808 cmd.exe sc.exe PID 1808 wrote to memory of 2240 1808 cmd.exe sc.exe PID 1808 wrote to memory of 2240 1808 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:444 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1240 -
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:1140 -
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:4972 -
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:3524 -
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:4896 -
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:2696 -
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:1560 -
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:4268 -
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:2504 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3676 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2284
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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:4832 -
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:3492 -
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:4484 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1160 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1492 -
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:1808 -
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:5080
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD508d11aa78b1a918e1d0da0e1e655fe96
SHA11d4717541ce3b55bd563c5acf39457da8b2533b2
SHA25648cddd143d291919d7f1bab7e9cfc17092a02f2722e6d65a146dd85c1816ac3e
SHA51254e466d6236d0d60e9f1ae88ae1fc780694a2604ca27af3cb64fd9d9ff1c0a9c63285da5bf0a0a32488c8986dcd44958dee9fb5efe6e4688556c109d3dd59ad7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58a7b8a369f7d530a5e136582089312e4
SHA1b59649d9fea407fe8a36494509d19edfa2690d54
SHA256a0e766d0d0cb9e255550c7735773a9d5ec0bd2ada791db82e248b01f95220f38
SHA512e8922095e14034ac3fd796b4817f45fba28ed2eb846280a00ee3f141770b55ac0ebd8fe60027651b5a1dc715b99acaecc20d1dfcfab105fbb20fec4bb74378da
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5afe3938a025b941f58b82ffe960f5014
SHA1c544a0abc816414bdedee5ef41d360039212997b
SHA256002a77f8925336b25cd0a7424347ca9c7cd2906384dc6361e7e247d5592ef575
SHA5126fcf63fe0f5fa5c1ef81d5a27c2f39b21e4794f296fbda68b3dc07191089c4553a54a4b609346cb6cd82fded5afc6ce5721d88322fd1b766d0614cdbb51f2145
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57480ca43be2752027f9a9ee310d233b9
SHA1c6f4901ea5b6db9aae25d141d725dee87ca7ccb3
SHA2563e1aafacf1a869b76db7bfa34caca42acac96e223e62f771a97e143a465dce1a
SHA512797b515e6319d9484f63518255be7eeb0692df5429cbc1162c200c9b86596e7586566b6f3a25baaf22848b13b1e771e05c57a4aa440cfbeaaef39fa5e3a454b8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58d619d047c04c550bbeec8c32b5e63b9
SHA193e0c808edda301cdde1ffa895400729c1a35daf
SHA25693c2ef6c4daee05004e9048ce17d642d65c44f350020737d63e533abaddbfc67
SHA512cf5a8d47523f130f02b2ef9bc45a660a3a019102214842fcb20e435d2c451c5574e7f23a340217dea36a5979da5c5f424f462fd6a2d005d58669439e13fe611f
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Filesize
4.1MB
MD5734cf54369cc5ff1c9046bee9932bcd9
SHA12054b657689bda938332a307db743511cb0db0a6
SHA256d9e43ca968512cae81fcf1c85139641aa4dca6903f54fa91cb05cd6a7015eda3
SHA512dd85f1672836ddb0d7c36130ee0db9117c1036e5325e5ce50db2e1422a80a5017ea72ea2b8659ff8227f1828e3c0cb8f63dcae3ff06e2fe14d04bae328ce46b8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec