Analysis
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max time kernel
149s -
max time network
143s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-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 behavioral2/memory/444-2-0x0000000004650000-0x0000000004F3B000-memory.dmp family_glupteba behavioral2/memory/444-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/444-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/444-54-0x0000000004650000-0x0000000004F3B000-memory.dmp family_glupteba behavioral2/memory/444-51-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3460-126-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2000-205-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2000-215-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2000-217-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2000-219-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2000-221-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2000-223-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2000-225-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2000-227-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2000-229-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2000-231-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2000-233-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2000-235-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2000-237-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4992 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2000 csrss.exe 2792 injector.exe 4844 windefender.exe 2512 windefender.exe -
Processes:
resource yara_rule behavioral2/memory/4844-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000200000002aa09-209.dat upx behavioral2/memory/4844-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2512-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2512-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2512-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 -
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 1996 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 236 powershell.exe 1548 powershell.exe 4628 powershell.exe 2824 powershell.exe 4688 powershell.exe 1708 powershell.exe 3276 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 2608 schtasks.exe 236 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.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,-391 = "Arab Daylight Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" 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,-1721 = "Libya 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\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania 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\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.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,-2342 = "Haiti Standard 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\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exepowershell.exe08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 3276 powershell.exe 3276 powershell.exe 444 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 444 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 236 powershell.exe 236 powershell.exe 3460 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 3460 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 3460 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 3460 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 3460 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 3460 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 3460 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 3460 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 3460 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 3460 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 1548 powershell.exe 1548 powershell.exe 4628 powershell.exe 4628 powershell.exe 2824 powershell.exe 2824 powershell.exe 4688 powershell.exe 4688 powershell.exe 1708 powershell.exe 1708 powershell.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2000 csrss.exe 2000 csrss.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2000 csrss.exe 2000 csrss.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2000 csrss.exe 2000 csrss.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 3276 powershell.exe Token: SeDebugPrivilege 444 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Token: SeImpersonatePrivilege 444 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe Token: SeDebugPrivilege 236 powershell.exe Token: SeDebugPrivilege 1548 powershell.exe Token: SeDebugPrivilege 4628 powershell.exe Token: SeDebugPrivilege 2824 powershell.exe Token: SeDebugPrivilege 4688 powershell.exe Token: SeDebugPrivilege 1708 powershell.exe Token: SeSystemEnvironmentPrivilege 2000 csrss.exe Token: SeSecurityPrivilege 1996 sc.exe Token: SeSecurityPrivilege 1996 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 444 wrote to memory of 3276 444 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 81 PID 444 wrote to memory of 3276 444 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 81 PID 444 wrote to memory of 3276 444 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 81 PID 3460 wrote to memory of 236 3460 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 109 PID 3460 wrote to memory of 236 3460 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 109 PID 3460 wrote to memory of 236 3460 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 109 PID 3460 wrote to memory of 4844 3460 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 111 PID 3460 wrote to memory of 4844 3460 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 111 PID 4844 wrote to memory of 4992 4844 cmd.exe 113 PID 4844 wrote to memory of 4992 4844 cmd.exe 113 PID 3460 wrote to memory of 1548 3460 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 92 PID 3460 wrote to memory of 1548 3460 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 92 PID 3460 wrote to memory of 1548 3460 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 92 PID 3460 wrote to memory of 4628 3460 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 94 PID 3460 wrote to memory of 4628 3460 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 94 PID 3460 wrote to memory of 4628 3460 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 94 PID 3460 wrote to memory of 2000 3460 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 96 PID 3460 wrote to memory of 2000 3460 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 96 PID 3460 wrote to memory of 2000 3460 08594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f.exe 96 PID 2000 wrote to memory of 2824 2000 csrss.exe 97 PID 2000 wrote to memory of 2824 2000 csrss.exe 97 PID 2000 wrote to memory of 2824 2000 csrss.exe 97 PID 2000 wrote to memory of 4688 2000 csrss.exe 102 PID 2000 wrote to memory of 4688 2000 csrss.exe 102 PID 2000 wrote to memory of 4688 2000 csrss.exe 102 PID 2000 wrote to memory of 1708 2000 csrss.exe 105 PID 2000 wrote to memory of 1708 2000 csrss.exe 105 PID 2000 wrote to memory of 1708 2000 csrss.exe 105 PID 2000 wrote to memory of 2792 2000 csrss.exe 107 PID 2000 wrote to memory of 2792 2000 csrss.exe 107 PID 4844 wrote to memory of 4992 4844 windefender.exe 113 PID 4844 wrote to memory of 4992 4844 windefender.exe 113 PID 4844 wrote to memory of 4992 4844 windefender.exe 113 PID 4992 wrote to memory of 1996 4992 cmd.exe 114 PID 4992 wrote to memory of 1996 4992 cmd.exe 114 PID 4992 wrote to memory of 1996 4992 cmd.exe 114 -
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:444 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3276
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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:3460 -
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:236
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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:4844 -
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:4992
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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:1548
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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:4628
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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:2000 -
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:2824
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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:2608
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4832
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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:4688
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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:1708
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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:2792
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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:236
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4844 -
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:4992 -
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:1996
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2512
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fa49343e342e96da59881ee0075e7245
SHA1d3305cd8dcfcfe88bb825d56474c1669a57f4008
SHA2560a9ea1e00cb174811e969b56d40fc87800a886648d10e26bd61116f0af60b6c1
SHA512c4c98c0198b8ee380e5c7edd1194570262639e72b5b7e21d24ad9b6004228bd64085094b3aa9d4a6f9645cbae7e1c61f5bdef298e14c1c866b5c2fd7ea20c0c4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fff516de11ca8ac010688cd1ddc1299e
SHA1c0c68b95ab71c8c781ae4232600eeabcab4371d6
SHA2564822e53076897950945313ff76f3b2c55afdfb68e2bd8fe1be90d0ae58a65d1e
SHA512f9eb4071d1df7ed3393ad22d7893d9897482585f7866895b717d1eb9d4aa26e95f11c2370476c33dc826a1c0b33f5c688aef743199547688988dd03aac35bf80
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD551d297f8bf615be1022bed1b4a7e4546
SHA1e7e5e5483448891eb47b0ee9690bd7df1c1a364f
SHA2563e4a40cb140ae5aff784919b5c92e8381f4d3b93bcb356b59d058121c2a71012
SHA51262137d096925087fcf834c9e4304fb21db3b41e13bd2fa03e08f009079baf84c3c8f09b4304263ae4fa8a0869c9bb30d97da556b8a5399ed5cfcadd698c18b28
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5928c93cdd3d98f1d3a3733466d20da08
SHA14d3df23b736e07d398817e233a2ade2988b18865
SHA256711b6211ec3e1a2a0e9b1c81a0e35bddad531c84a247872b24ad5174fa72bd44
SHA51297f281e1a47b977a283618accda7488e584d240b49d77c5a5e8c24497dbace3c02e443fa9360f7449fcc7c519a634f1e63eadbee9801d24949cc82a805dbffd2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53059310961b423b03178ca16ea2c0fc4
SHA1670b1ab4bd6de16a36203c26cd28ba87c392598f
SHA256c267b7d7fabaf14c88a6106c7bb64740b1d66dfd55a955294acf24f313eb63e9
SHA512253650cf28193c21c6d85c0610465fcb13a0da3af43b9e2adc192f3d41c6f46c3bc5420124f01061b9ce6d58fb3295a6957d7411bf1b6d39ee21338b14b44769
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Filesize
4.1MB
MD5b168752d983d222c637322e603959d1e
SHA101d6cbb33b30b681dedc15f3f55080b5d855357f
SHA25608594945e34027eb8b7452bf18afec5e7e24ce41ce9988e605206a090dcc106f
SHA5123d403797248b71103b2098079fc886d2a07dd38c29dc39ba64ea0fde57f4e5a137f66a717262d878f1fce4dedee9fe7a143cb139e74b77b64dd57047c788f333
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec