Analysis
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max time kernel
150s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 20:35
Static task
static1
Behavioral task
behavioral1
Sample
73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe
Resource
win10v2004-20240508-en
General
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Target
73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe
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Size
4.1MB
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MD5
fee04bb4f2890f2e90b4b12de4b729c8
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SHA1
2fcf87cec6fa8ce956b0442eab3a1335f48ce3f2
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SHA256
73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080
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SHA512
00ca03e958789e5c41060d7dec99cdc88e00c88dcd2653f2e0370bb42066c1f687cc304391ca9f891c445d858000675eda402985057314bbbf20a184c2abfb36
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SSDEEP
98304:b7sgfTqZm7fywQIpjGUn+cmloZHued8miXbTsPufBvNF:bzgmDywQg+foZ8mw6Sb
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/3460-2-0x00000000049D0000-0x00000000052BB000-memory.dmp family_glupteba behavioral1/memory/3460-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3460-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3460-57-0x00000000049D0000-0x00000000052BB000-memory.dmp family_glupteba behavioral1/memory/3460-54-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4868-161-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2004-219-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2004-230-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2004-232-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2004-235-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2004-237-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2004-242-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2004-245-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2004-247-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2004-250-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2004-252-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2004-257-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2004-260-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2004-262-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1716 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2004 csrss.exe 3364 injector.exe 2792 windefender.exe 2860 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x00090000000235fd-222.dat upx behavioral1/memory/2792-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2860-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2792-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2860-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2860-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2860-248-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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:
73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exedescription ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe File created C:\Windows\rss\csrss.exe 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 3340 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4952 powershell.exe 1112 powershell.exe 868 powershell.exe 5004 powershell.exe 1524 powershell.exe 1168 powershell.exe 4344 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 4440 schtasks.exe 3636 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exepowershell.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.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" 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.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,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia 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" 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight 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,-142 = "Canada Central Standard Time" 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.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,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 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,-2791 = "Novosibirsk Daylight Time" 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.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,-82 = "Atlantic 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,-931 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exepowershell.exe73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1168 powershell.exe 1168 powershell.exe 3460 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 3460 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 4344 powershell.exe 4344 powershell.exe 4344 powershell.exe 4868 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 4868 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 4868 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 4868 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 4868 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 4868 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 4868 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 4868 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 4868 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 4868 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 4952 powershell.exe 4952 powershell.exe 4952 powershell.exe 1112 powershell.exe 1112 powershell.exe 1112 powershell.exe 868 powershell.exe 868 powershell.exe 868 powershell.exe 5004 powershell.exe 5004 powershell.exe 5004 powershell.exe 1524 powershell.exe 1524 powershell.exe 1524 powershell.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 2004 csrss.exe 2004 csrss.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 2004 csrss.exe 2004 csrss.exe 3364 injector.exe 3364 injector.exe 2004 csrss.exe 2004 csrss.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1168 powershell.exe Token: SeDebugPrivilege 3460 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe Token: SeImpersonatePrivilege 3460 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe Token: SeDebugPrivilege 4344 powershell.exe Token: SeDebugPrivilege 4952 powershell.exe Token: SeDebugPrivilege 1112 powershell.exe Token: SeDebugPrivilege 868 powershell.exe Token: SeDebugPrivilege 5004 powershell.exe Token: SeDebugPrivilege 1524 powershell.exe Token: SeSystemEnvironmentPrivilege 2004 csrss.exe Token: SeSecurityPrivilege 3340 sc.exe Token: SeSecurityPrivilege 3340 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3460 wrote to memory of 1168 3460 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 91 PID 3460 wrote to memory of 1168 3460 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 91 PID 3460 wrote to memory of 1168 3460 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 91 PID 4868 wrote to memory of 4344 4868 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 104 PID 4868 wrote to memory of 4344 4868 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 104 PID 4868 wrote to memory of 4344 4868 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 104 PID 4868 wrote to memory of 2700 4868 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 108 PID 4868 wrote to memory of 2700 4868 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 108 PID 2700 wrote to memory of 1716 2700 cmd.exe 110 PID 2700 wrote to memory of 1716 2700 cmd.exe 110 PID 4868 wrote to memory of 4952 4868 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 111 PID 4868 wrote to memory of 4952 4868 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 111 PID 4868 wrote to memory of 4952 4868 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 111 PID 4868 wrote to memory of 1112 4868 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 114 PID 4868 wrote to memory of 1112 4868 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 114 PID 4868 wrote to memory of 1112 4868 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 114 PID 4868 wrote to memory of 2004 4868 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 116 PID 4868 wrote to memory of 2004 4868 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 116 PID 4868 wrote to memory of 2004 4868 73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe 116 PID 2004 wrote to memory of 868 2004 csrss.exe 117 PID 2004 wrote to memory of 868 2004 csrss.exe 117 PID 2004 wrote to memory of 868 2004 csrss.exe 117 PID 2004 wrote to memory of 5004 2004 csrss.exe 122 PID 2004 wrote to memory of 5004 2004 csrss.exe 122 PID 2004 wrote to memory of 5004 2004 csrss.exe 122 PID 2004 wrote to memory of 1524 2004 csrss.exe 125 PID 2004 wrote to memory of 1524 2004 csrss.exe 125 PID 2004 wrote to memory of 1524 2004 csrss.exe 125 PID 2004 wrote to memory of 3364 2004 csrss.exe 127 PID 2004 wrote to memory of 3364 2004 csrss.exe 127 PID 2792 wrote to memory of 1836 2792 windefender.exe 134 PID 2792 wrote to memory of 1836 2792 windefender.exe 134 PID 2792 wrote to memory of 1836 2792 windefender.exe 134 PID 1836 wrote to memory of 3340 1836 cmd.exe 135 PID 1836 wrote to memory of 3340 1836 cmd.exe 135 PID 1836 wrote to memory of 3340 1836 cmd.exe 135 -
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\73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe"C:\Users\Admin\AppData\Local\Temp\73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3460 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1168
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C:\Users\Admin\AppData\Local\Temp\73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.exe"C:\Users\Admin\AppData\Local\Temp\73bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080.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:4868 -
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:4344
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:2700 -
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:1716
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4952
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1112
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2004 -
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:868
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4440
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1616
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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:5004
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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:1524
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:3364
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3636
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2792 -
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:1836 -
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:3340
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4232,i,13879737908471496610,15335851594401413307,262144 --variations-seed-version --mojo-platform-channel-handle=4084 /prefetch:81⤵PID:3772
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2860
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD531c9215641dcb776ce5448860b013d6b
SHA137f141fefcda2dcef8e8e309bde9aa9df8ba3b8b
SHA256b3e7638c796c2f4934160d24a305cd53624c3488fe9db7cde5450a4e12258257
SHA5122f6df56fd96d7b88cfd9ba77582b3623192f72b47818a4471c52598e1537550a9d18a31e0b424dae3d21523fd123a382c293117313a3a21d9311380a4b937272
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5457cb449883cc9127987a76a7eefe4ca
SHA18879592cdc85e810160ed40a1d399c9eb7696b52
SHA256dde5fb9a71a67c6cf54e8c7e3d42a4345f95ecbf1bd5fdb949fc64bfa383038e
SHA5121232df8a795b1c8added650bedc3f979e4054fa90d145e23e89abd8d463fcd4fe926ffbe61f552304ef8203fd238b04042068ac8ef6122e4cc3796d3fac3ae89
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cc0af068646c909458a864362eb5a660
SHA1eb28ab8bdfe4ce388306b2b3c589cfc31604ce5c
SHA256c7e336d92924a1299596e1310188bfd380fc989f7214e122771cd25e3c243715
SHA512d83e1eb8c40a7e006cf785f68fe8ce52931962d8b9486cf883d44befdfc7faf9fe46783557b36f0a2c293b352a13e3e1304d592240740908f9797b47f1861071
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54bf0919b739292c02e3afbd285466d00
SHA112c3275a4cebe85aca2aa1465ea79835be11272c
SHA25685bc8e678fe9c96c1f1ca70e0cd74d70bc20b0828309cce5e17abd15f127c290
SHA5129a58d6435350d73d6414f169b895d946af7adc100f9d325153f6ef7df808c153c416c8af04cb39cb0d0ed53881915bea4eee3990b6b74cfc70586c9a0b8c2774
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bedf9d512c3890e405079bf3efe2ee40
SHA11443178801a395af326c86a670319b23f86ae5aa
SHA256fd18c8e546bdf1d3b8224eee9db16033f4c681a0002d6912ffa3b664b742d89a
SHA512a796a06c065d7b1200732c0634c78b03d3996a1f288690cff4faa7074e3fef858224afaeeeeb7bad0c79852302d801be82e26aa2c1991e4a9c8653cf62f3f2e5
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Filesize
4.1MB
MD5fee04bb4f2890f2e90b4b12de4b729c8
SHA12fcf87cec6fa8ce956b0442eab3a1335f48ce3f2
SHA25673bd536c26539ef63cdc61dc5c6f261f7f9767c54fcfdd6a6c3c616ce4420080
SHA51200ca03e958789e5c41060d7dec99cdc88e00c88dcd2653f2e0370bb42066c1f687cc304391ca9f891c445d858000675eda402985057314bbbf20a184c2abfb36
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec