Analysis
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max time kernel
150s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 11:36
Static task
static1
Behavioral task
behavioral1
Sample
08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe
Resource
win10v2004-20240426-en
General
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Target
08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe
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Size
4.1MB
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MD5
b168752d983d222c637322e603959d1e
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SHA1
01d6cbb33b30b681dedc15f3f55080b5d855357f
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SHA256
08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f
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SHA512
3d403797248b71103b2098079fc886d2a07dd38c29dc39ba64ea0fde57f4e5a137f66a717262d878f1fce4dedee9fe7a143cb139e74b77b64dd57047c788f333
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SSDEEP
98304:+k/C6baF9NNXYvR+SQPyohxfWe3/GY9pAEj6l:+n6bazjovoyoHfX3/GYHG
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/4444-2-0x0000000004620000-0x0000000004F0B000-memory.dmp family_glupteba behavioral1/memory/4444-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4444-57-0x0000000004620000-0x0000000004F0B000-memory.dmp family_glupteba behavioral1/memory/4444-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4444-55-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/5768-136-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2004-218-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2004-228-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2004-230-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2004-232-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2004-234-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2004-236-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2004-238-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2004-240-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2004-242-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2004-244-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2004-246-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2004-248-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2004-250-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1208 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2004 csrss.exe 5556 injector.exe 2660 windefender.exe 3908 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0008000000023421-221.dat upx behavioral1/memory/2660-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3908-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2660-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3908-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3908-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.exe08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.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 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 -
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:
08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe -
Drops file in Windows directory 4 IoCs
Processes:
08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe File created C:\Windows\rss\csrss.exe 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 1544 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3404 powershell.exe 5856 powershell.exe 1448 powershell.exe 4340 powershell.exe 2252 powershell.exe 3112 powershell.exe 1452 powershell.exe -
Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target Process procid_target 968 4444 WerFault.exe 82 2808 5768 WerFault.exe 92 -
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 4840 schtasks.exe 4092 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.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,-2182 = "Astrakhan Standard Time" windefender.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\@tzres.dll,-962 = "Paraguay 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,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.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\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.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\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.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,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.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\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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,-2322 = "Sakhalin Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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,-2162 = "Altai Standard Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.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,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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,-1972 = "Belarus Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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.exe08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exepowershell.exe08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 3112 powershell.exe 3112 powershell.exe 4444 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 4444 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 1452 powershell.exe 1452 powershell.exe 5768 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 5768 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 5768 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 5768 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 5768 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 5768 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 5768 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 5768 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 5768 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 5768 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 3404 powershell.exe 3404 powershell.exe 5856 powershell.exe 5856 powershell.exe 5856 powershell.exe 1448 powershell.exe 1448 powershell.exe 1448 powershell.exe 4340 powershell.exe 4340 powershell.exe 2252 powershell.exe 2252 powershell.exe 5556 injector.exe 5556 injector.exe 5556 injector.exe 5556 injector.exe 5556 injector.exe 5556 injector.exe 2004 csrss.exe 2004 csrss.exe 5556 injector.exe 5556 injector.exe 5556 injector.exe 5556 injector.exe 5556 injector.exe 5556 injector.exe 2004 csrss.exe 2004 csrss.exe 5556 injector.exe 5556 injector.exe 5556 injector.exe 5556 injector.exe 2004 csrss.exe 2004 csrss.exe 5556 injector.exe 5556 injector.exe 5556 injector.exe 5556 injector.exe 5556 injector.exe 5556 injector.exe 5556 injector.exe 5556 injector.exe 5556 injector.exe 5556 injector.exe 5556 injector.exe 5556 injector.exe 5556 injector.exe 5556 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 3112 powershell.exe Token: SeDebugPrivilege 4444 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Token: SeImpersonatePrivilege 4444 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Token: SeDebugPrivilege 1452 powershell.exe Token: SeDebugPrivilege 3404 powershell.exe Token: SeDebugPrivilege 5856 powershell.exe Token: SeDebugPrivilege 1448 powershell.exe Token: SeDebugPrivilege 4340 powershell.exe Token: SeDebugPrivilege 2252 powershell.exe Token: SeSystemEnvironmentPrivilege 2004 csrss.exe Token: SeSecurityPrivilege 1544 sc.exe Token: SeSecurityPrivilege 1544 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4444 wrote to memory of 3112 4444 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 86 PID 4444 wrote to memory of 3112 4444 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 86 PID 4444 wrote to memory of 3112 4444 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 86 PID 5768 wrote to memory of 1452 5768 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 96 PID 5768 wrote to memory of 1452 5768 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 96 PID 5768 wrote to memory of 1452 5768 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 96 PID 5768 wrote to memory of 3208 5768 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 101 PID 5768 wrote to memory of 3208 5768 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 101 PID 3208 wrote to memory of 1208 3208 cmd.exe 103 PID 3208 wrote to memory of 1208 3208 cmd.exe 103 PID 5768 wrote to memory of 3404 5768 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 104 PID 5768 wrote to memory of 3404 5768 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 104 PID 5768 wrote to memory of 3404 5768 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 104 PID 5768 wrote to memory of 5856 5768 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 108 PID 5768 wrote to memory of 5856 5768 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 108 PID 5768 wrote to memory of 5856 5768 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 108 PID 5768 wrote to memory of 2004 5768 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 110 PID 5768 wrote to memory of 2004 5768 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 110 PID 5768 wrote to memory of 2004 5768 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 110 PID 2004 wrote to memory of 1448 2004 csrss.exe 113 PID 2004 wrote to memory of 1448 2004 csrss.exe 113 PID 2004 wrote to memory of 1448 2004 csrss.exe 113 PID 2004 wrote to memory of 4340 2004 csrss.exe 119 PID 2004 wrote to memory of 4340 2004 csrss.exe 119 PID 2004 wrote to memory of 4340 2004 csrss.exe 119 PID 2004 wrote to memory of 2252 2004 csrss.exe 121 PID 2004 wrote to memory of 2252 2004 csrss.exe 121 PID 2004 wrote to memory of 2252 2004 csrss.exe 121 PID 2004 wrote to memory of 5556 2004 csrss.exe 123 PID 2004 wrote to memory of 5556 2004 csrss.exe 123 PID 2660 wrote to memory of 4796 2660 windefender.exe 129 PID 2660 wrote to memory of 4796 2660 windefender.exe 129 PID 2660 wrote to memory of 4796 2660 windefender.exe 129 PID 4796 wrote to memory of 1544 4796 cmd.exe 130 PID 4796 wrote to memory of 1544 4796 cmd.exe 130 PID 4796 wrote to memory of 1544 4796 cmd.exe 130 -
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\08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe"C:\Users\Admin\AppData\Local\Temp\08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4444 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3112
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C:\Users\Admin\AppData\Local\Temp\08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe"C:\Users\Admin\AppData\Local\Temp\08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.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:5768 -
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:1452
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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:3208 -
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:1208
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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:3404
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5856
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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:1448
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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:4840
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2140
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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:4340
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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:2252
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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:5556
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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:4092
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2660 -
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:4796 -
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:1544
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5768 -s 8163⤵
- Program crash
PID:2808
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 9682⤵
- Program crash
PID:968
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4444 -ip 44441⤵PID:2488
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 5768 -ip 57681⤵PID:5164
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3908
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c0f97f2b5cef52c67fe0734af083d3d1
SHA15cd2abff8a680d34b07c9635751ce710e6efac6b
SHA256e9affa0775ea0f042ffce17148b811c228c63f183bdb3ec55a5220a76c400a73
SHA51204f170b17774d2ac12a3b98e88261b1b7609780ada2896fdda84f8f7309e70a9736dd283e0dc53dc80e7ae3f72cd068ea91fec5f7d62097d3a53671a55bbff5d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58d44eba88524cee4c54bfa7d9279c7c5
SHA1b5e78243418c83a025bef6be068572f9ea73a3ae
SHA2561b47b9da4cbc439db369ed535151a86b93e79a72b9873cf2eb5f25ad3789e5be
SHA5124b77b3db940e349dfcd0fc57edf9fa13f84aedcb270b64995182488b7588bea02261477fd1f6842688196dd618371c61c4e2774eea9a2661d381d2e78591dea6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52482888137bf7459d6079d52f626be1b
SHA1f54728fe769603bb07a0a47d94feb39469bd9f82
SHA25624b22971f79c96b2c0efc65252cea666384da3259da84a8148d2ef10f48a12b4
SHA5128e79ab413da2b2e04d8ff4970930e125fefa6907c2d6481bc37253911e76cb828898c68f6e3e1c6c9ef12734287b7a5bc705cec940726221fed1ee73e4a89a14
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d530d8d91d4f874d15ac27fd97a04e9b
SHA13db51a363d18637d7d8edf0dda636790967d19ad
SHA256c31c3e54b65bd46d5ad815f837fe14c0b7db8e0ae16861bb1cdbcd8ffcffe66e
SHA51226a35f2760d915b8fc9138e563798ee7fbbb91868f5f7ad832f5d159bba8934780b53a53eb479428db22223ce3a4847d09f65efbf58667dae5f74ec72310bc04
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c3b7fa956750bc5dcb118a64083c25eb
SHA1785e5deb6b33d27246acab3a7649c96f838eebcd
SHA2563b4948c6848b1228e1fcea3fdbc465f9ae75dad6ded2c77155128788c5306c21
SHA51213e8f3a849825f484094f32d8f5dc7709b24b5989fa66879711f41afa818ee034a8c002da0697c93a62da40b4ba100258e967a5e1a0acb86d88fdc42bc40c17f
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Filesize
4.1MB
MD5b168752d983d222c637322e603959d1e
SHA101d6cbb33b30b681dedc15f3f55080b5d855357f
SHA25608594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f
SHA5123d403797248b71103b2098079fc886d2a07dd38c29dc39ba64ea0fde57f4e5a137f66a717262d878f1fce4dedee9fe7a143cb139e74b77b64dd57047c788f333
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec