Analysis
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max time kernel
149s -
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
16-05-2024 09:45
Static task
static1
Behavioral task
behavioral1
Sample
f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe
Resource
win10v2004-20240508-en
General
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Target
f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe
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Size
4.1MB
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MD5
b5b0cf564843c8f1979fe981a0e75027
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SHA1
3ea177d17eedd764b842201ef959dc27c02a4a78
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SHA256
f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78
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SHA512
671be16fbd66db94ce1c9d0a52ee463f2c3b414a135bff32d49be436068c22cd82bc9bbbcb178172fb60fc2c86028856ca725204fe88385cc4a5f909f14a8432
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SSDEEP
98304:9H49zrfgobu9aDMWAg4dPDb/NQHvakIF/A8L3rqLZk5t2qZ3qL2LAZ57:Ur7OagDbOPW/F2k5tRZaLrJ
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/3564-2-0x0000000002D90000-0x000000000367B000-memory.dmp family_glupteba behavioral1/memory/3564-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3564-59-0x0000000002D90000-0x000000000367B000-memory.dmp family_glupteba behavioral1/memory/3564-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4120-132-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4120-137-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2504-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2504-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2504-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2504-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2504-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2504-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2504-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2504-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2504-248-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2504-251-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2504-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2504-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4612 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2504 csrss.exe 2636 injector.exe 3032 windefender.exe 984 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x00090000000233d3-221.dat upx behavioral1/memory/3032-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3032-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/984-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/984-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe -
Drops file in Windows directory 4 IoCs
Processes:
f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.execsrss.exedescription ioc Process File created C:\Windows\rss\csrss.exe f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.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 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 1052 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 1272 powershell.exe 1284 powershell.exe 3424 powershell.exe 2636 powershell.exe 4940 powershell.exe 2652 powershell.exe 1908 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 2036 schtasks.exe 1780 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exewindefender.exef1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.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\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.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,-1802 = "Line Islands Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight 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" f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.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\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands 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\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exef1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exepowershell.exef1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1284 powershell.exe 1284 powershell.exe 3564 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 3564 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 3424 powershell.exe 3424 powershell.exe 4120 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 4120 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 4120 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 4120 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 4120 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 4120 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 4120 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 4120 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 4120 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 4120 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 2636 powershell.exe 2636 powershell.exe 4940 powershell.exe 4940 powershell.exe 2652 powershell.exe 2652 powershell.exe 1908 powershell.exe 1908 powershell.exe 1272 powershell.exe 1272 powershell.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2504 csrss.exe 2504 csrss.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2504 csrss.exe 2504 csrss.exe 2636 injector.exe 2636 injector.exe 2504 csrss.exe 2504 csrss.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exef1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1284 powershell.exe Token: SeDebugPrivilege 3564 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe Token: SeImpersonatePrivilege 3564 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe Token: SeDebugPrivilege 3424 powershell.exe Token: SeDebugPrivilege 2636 powershell.exe Token: SeDebugPrivilege 4940 powershell.exe Token: SeDebugPrivilege 2652 powershell.exe Token: SeDebugPrivilege 1908 powershell.exe Token: SeDebugPrivilege 1272 powershell.exe Token: SeSystemEnvironmentPrivilege 2504 csrss.exe Token: SeSecurityPrivilege 1052 sc.exe Token: SeSecurityPrivilege 1052 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exef1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3564 wrote to memory of 1284 3564 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 87 PID 3564 wrote to memory of 1284 3564 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 87 PID 3564 wrote to memory of 1284 3564 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 87 PID 4120 wrote to memory of 3424 4120 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 95 PID 4120 wrote to memory of 3424 4120 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 95 PID 4120 wrote to memory of 3424 4120 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 95 PID 4120 wrote to memory of 3276 4120 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 98 PID 4120 wrote to memory of 3276 4120 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 98 PID 3276 wrote to memory of 4612 3276 cmd.exe 101 PID 3276 wrote to memory of 4612 3276 cmd.exe 101 PID 4120 wrote to memory of 2636 4120 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 102 PID 4120 wrote to memory of 2636 4120 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 102 PID 4120 wrote to memory of 2636 4120 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 102 PID 4120 wrote to memory of 4940 4120 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 104 PID 4120 wrote to memory of 4940 4120 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 104 PID 4120 wrote to memory of 4940 4120 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 104 PID 4120 wrote to memory of 2504 4120 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 106 PID 4120 wrote to memory of 2504 4120 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 106 PID 4120 wrote to memory of 2504 4120 f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe 106 PID 2504 wrote to memory of 2652 2504 csrss.exe 107 PID 2504 wrote to memory of 2652 2504 csrss.exe 107 PID 2504 wrote to memory of 2652 2504 csrss.exe 107 PID 2504 wrote to memory of 1908 2504 csrss.exe 113 PID 2504 wrote to memory of 1908 2504 csrss.exe 113 PID 2504 wrote to memory of 1908 2504 csrss.exe 113 PID 2504 wrote to memory of 1272 2504 csrss.exe 115 PID 2504 wrote to memory of 1272 2504 csrss.exe 115 PID 2504 wrote to memory of 1272 2504 csrss.exe 115 PID 2504 wrote to memory of 2636 2504 csrss.exe 118 PID 2504 wrote to memory of 2636 2504 csrss.exe 118 PID 3032 wrote to memory of 3356 3032 windefender.exe 125 PID 3032 wrote to memory of 3356 3032 windefender.exe 125 PID 3032 wrote to memory of 3356 3032 windefender.exe 125 PID 3356 wrote to memory of 1052 3356 cmd.exe 126 PID 3356 wrote to memory of 1052 3356 cmd.exe 126 PID 3356 wrote to memory of 1052 3356 cmd.exe 126 -
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\f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe"C:\Users\Admin\AppData\Local\Temp\f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3564 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1284
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C:\Users\Admin\AppData\Local\Temp\f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.exe"C:\Users\Admin\AppData\Local\Temp\f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78.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:4120 -
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:3424
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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:3276 -
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:4612
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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:2636
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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:4940
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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:2504 -
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:2652
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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:2036
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1380
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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:1908
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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:1272
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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:2636
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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:1780
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3032 -
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:3356 -
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:1052
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:984
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
MD5f59e6bdb3a0ba3c33541b74df63d0529
SHA1283c756797bcf5918531d0dbf572d61f2f5ebb1a
SHA256d1995689dc8a4e471c22d021b191264826b3b4b1c38dd43965741a5bfbab839d
SHA51212d2ef65ad77b20de46fd4a935fff12acd04ade23a346ade5a48cd047f6b4b35e0aa9c5414d76f210bdc7068f4b2aa87462e1caaeaa9f0bc46e76ac171a51e50
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dcaaba1bcbd228daaf568bf714dc98c7
SHA15c1677b6f9ef39babac8efaced20ecf6c80de635
SHA2566344226c0ae07550e94f36c005ee79f3a312de6dfe8b112d216df199b561275c
SHA512a43572b2d15fbd7604cc31b0c26cea14e9cdd7f58d60252a125f988db948f4f7026e4685e820217ef063e9dcf55a28cbd8be1fee8a7157315f119c184aedaf3f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57b29254f49505947ebc436fa3df27b2c
SHA1a0f2d63545909a8a98b2dc6ce92fb6f5844187a6
SHA25685e54ae8939cad887704256e54d3078d3240bee2e652d2cd2eb2f0aca1e4f115
SHA512377a090ec97375130c689ab5561faa273925b97f9ca08324fd5ec3a73f6f32a0597c1782f8b76be44fad809d7e0a235a8c650a1eb52da7f8ca1e710e4fb05b4a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ea5d7144e278f936ff040837a5b16afc
SHA11a16380fef31a8361a3b84818fcd48e24fd66538
SHA2568be7f5eb4cec114fbdc157a9ee3daa7110b32a0929fa143e1c130f117b7840e8
SHA5125fdd8e3a5eed8de42b8c60f073ffdabb957a1bc90dd41fcd62404e9dc5b54b4f416cd878e6354fc3b0eb0f63f1731e61a5d1f8ed0e160fe417c84415d3bdfb57
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD533b5f67aca2775b1ca631aa9925fa450
SHA1ee6dc8ec0e3316374150b3cb194f2300a6daa460
SHA256a566fc8f275be122bb0242d5b0725b3e82283022accd15a71f93454de4161230
SHA51255c84b76ffc351f8decf3d372bc9d9ea798d6070e5f619facae469ce8329e10c4d74aa65247707ee5cb1ee10686bd2a1c008709c49514cec1ad9001849c9aa37
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Filesize
4.1MB
MD5b5b0cf564843c8f1979fe981a0e75027
SHA13ea177d17eedd764b842201ef959dc27c02a4a78
SHA256f1cee50c69222f92109b8f41daaa70585ac7eccdaf1cb5e2f2780c44f5b4ea78
SHA512671be16fbd66db94ce1c9d0a52ee463f2c3b414a135bff32d49be436068c22cd82bc9bbbcb178172fb60fc2c86028856ca725204fe88385cc4a5f909f14a8432
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec