Analysis
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max time kernel
149s -
max time network
149s -
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 16:35
Static task
static1
Behavioral task
behavioral1
Sample
18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe
Resource
win10v2004-20240426-en
General
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Target
18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe
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Size
4.1MB
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MD5
a9734842f8ec511208a9624f0d76d841
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SHA1
b6ac1ab4f2503b7a1e4b13b968998f317821031c
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SHA256
18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b
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SHA512
20a4f7a2c8bb232f6a59832095c431cf4e581dcf1f441a5592a1d29fbd7e6230f14c707d54ca5f72c5896fb4a06e139e8b6a47438fcb0a0a298cc51aaa0faa38
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SSDEEP
98304:JvHfbigA34ifkpJZQU0TgaIfW6UkFHwAhDtgwFW+1B:JvHfb2IifudqhIuUHwAjW+H
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/2268-2-0x0000000004820000-0x000000000510B000-memory.dmp family_glupteba behavioral1/memory/2268-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2268-127-0x0000000004820000-0x000000000510B000-memory.dmp family_glupteba behavioral1/memory/2268-126-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3540-156-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2268-206-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2700-214-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2700-225-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2700-229-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2700-233-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2700-238-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2700-241-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2700-245-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2700-249-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2700-254-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2700-257-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2700-261-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2700-265-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2700-269-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1832 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2700 csrss.exe 1572 injector.exe 3788 windefender.exe 3928 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x00090000000233fc-219.dat upx behavioral1/memory/3788-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3928-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3788-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3928-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3928-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\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:
18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe -
Drops file in Windows directory 4 IoCs
Processes:
18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe File created C:\Windows\rss\csrss.exe 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.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 4768 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 2960 powershell.exe 4416 powershell.exe 536 powershell.exe 4196 powershell.exe 4400 powershell.exe 3524 powershell.exe 1372 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 4060 schtasks.exe 4036 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exepowershell.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,-2432 = "Cuba Standard Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard 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\@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,-2612 = "Bougainville Standard Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.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\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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,-1911 = "Russia TZ 10 Daylight 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" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.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\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exepowershell.exe18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4416 powershell.exe 4416 powershell.exe 2268 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 2268 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 536 powershell.exe 536 powershell.exe 3540 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 3540 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 3540 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 3540 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 3540 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 3540 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 3540 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 3540 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 3540 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 3540 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 4196 powershell.exe 4196 powershell.exe 4400 powershell.exe 4400 powershell.exe 3524 powershell.exe 3524 powershell.exe 3524 powershell.exe 1372 powershell.exe 1372 powershell.exe 2960 powershell.exe 2960 powershell.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 2700 csrss.exe 2700 csrss.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 2700 csrss.exe 2700 csrss.exe 1572 injector.exe 1572 injector.exe 2700 csrss.exe 2700 csrss.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4416 powershell.exe Token: SeDebugPrivilege 2268 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Token: SeImpersonatePrivilege 2268 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Token: SeDebugPrivilege 536 powershell.exe Token: SeDebugPrivilege 4196 powershell.exe Token: SeDebugPrivilege 4400 powershell.exe Token: SeDebugPrivilege 3524 powershell.exe Token: SeDebugPrivilege 1372 powershell.exe Token: SeDebugPrivilege 2960 powershell.exe Token: SeSystemEnvironmentPrivilege 2700 csrss.exe Token: SeSecurityPrivilege 4768 sc.exe Token: SeSecurityPrivilege 4768 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 2268 wrote to memory of 4416 2268 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 84 PID 2268 wrote to memory of 4416 2268 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 84 PID 2268 wrote to memory of 4416 2268 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 84 PID 3540 wrote to memory of 536 3540 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 91 PID 3540 wrote to memory of 536 3540 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 91 PID 3540 wrote to memory of 536 3540 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 91 PID 3540 wrote to memory of 2060 3540 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 96 PID 3540 wrote to memory of 2060 3540 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 96 PID 2060 wrote to memory of 1832 2060 cmd.exe 98 PID 2060 wrote to memory of 1832 2060 cmd.exe 98 PID 3540 wrote to memory of 4196 3540 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 99 PID 3540 wrote to memory of 4196 3540 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 99 PID 3540 wrote to memory of 4196 3540 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 99 PID 3540 wrote to memory of 4400 3540 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 103 PID 3540 wrote to memory of 4400 3540 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 103 PID 3540 wrote to memory of 4400 3540 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 103 PID 3540 wrote to memory of 2700 3540 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 107 PID 3540 wrote to memory of 2700 3540 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 107 PID 3540 wrote to memory of 2700 3540 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 107 PID 2700 wrote to memory of 3524 2700 csrss.exe 109 PID 2700 wrote to memory of 3524 2700 csrss.exe 109 PID 2700 wrote to memory of 3524 2700 csrss.exe 109 PID 2700 wrote to memory of 1372 2700 csrss.exe 114 PID 2700 wrote to memory of 1372 2700 csrss.exe 114 PID 2700 wrote to memory of 1372 2700 csrss.exe 114 PID 2700 wrote to memory of 2960 2700 csrss.exe 117 PID 2700 wrote to memory of 2960 2700 csrss.exe 117 PID 2700 wrote to memory of 2960 2700 csrss.exe 117 PID 2700 wrote to memory of 1572 2700 csrss.exe 119 PID 2700 wrote to memory of 1572 2700 csrss.exe 119 PID 3788 wrote to memory of 1168 3788 windefender.exe 125 PID 3788 wrote to memory of 1168 3788 windefender.exe 125 PID 3788 wrote to memory of 1168 3788 windefender.exe 125 PID 1168 wrote to memory of 4768 1168 cmd.exe 126 PID 1168 wrote to memory of 4768 1168 cmd.exe 126 PID 1168 wrote to memory of 4768 1168 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\18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe"C:\Users\Admin\AppData\Local\Temp\18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2268 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4416
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C:\Users\Admin\AppData\Local\Temp\18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe"C:\Users\Admin\AppData\Local\Temp\18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.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:3540 -
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:536
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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:2060 -
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:1832
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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:4196
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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:4400
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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:2700 -
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:3524
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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:4060
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1748
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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:1372
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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:2960
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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:1572
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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:4036
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3788 -
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:1168 -
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:4768
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3928
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
MD546498d71c70990656e7d4d92cfa5a5f9
SHA1c60bc64fcbb52aba8cbdf5e5d0c6068e37d215ed
SHA256700c8bf7fc60697917fe40bf3aa893e4d4cd942d0668ec3c76935f6cd761dfe5
SHA5124f154e2adbff883e98f2b791927bde587402185f4596c945b0c5dd7c59cd1d373201151b120a4ea8912335908e259027fa759517103e1abe37344a9f177f0a7c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a71832d5a6c6f4fc1b3212605f6a08d0
SHA17d2898b68df48fe943507d05150e0f07270a4e41
SHA2561b12fb9a843c4fa43d3f7ddaf9023de06d25caf0dc09c71925a8740da23be7bf
SHA512126f41e180475e357dfccf5d1792d113a40ae66003e4d0d39c99b577df36bc5aa937750eef2a3e1990d3d98d9017b6bd3883795f0b33b22322316a9ced0559b4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5611e2aad533dd22c51c9b319c9f7f508
SHA14dd4d23b50aee2c9e00837587269b444ac9ce81a
SHA2567de5ea627178d7e512bbc7e7284068664ab6cb73e6d8e4b27caa165ab11c40d1
SHA5129520887312b3a52de349ac9a41dc8728efcc3cdc175a774a309b3f7a5b3411c60a72f8468edf2b55891699980f2e922fe309a221fa2a8cfbd3a277a5df15de14
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD570371079de5830239ecc628feccbad82
SHA198b27a4ff079797b736b0234550bdda54c6a4ea1
SHA2564178bded066973febf7e95f57d3af0ed59224004742786004ac8756691f49e08
SHA51250ceabed9c3eeda1bb0da88b2b99fd70c2298f9fcc33ed4a5409cce5aa1b09b4e8d03b1f81b628d4705439092f66485a67e5947238a4858c8088a92339882d2a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d2f4dcc7ba42661ad7c2ecbe52cb2028
SHA1fda67ea1a7fae6d9b2e9fa98b976aa5e15fc083d
SHA256e6e8631ee36496018671ecdde39f2db80bf8038dd0a086a751ba4bdaff28a53d
SHA51214fc778ba4f307f226ede1e9407d1e1b7a310e1227da00ac9b923f8438adf86c49e7fe3ecc398e91de2210be9cc568fa69cc0e3f9106ea485ca6885b7e954b88
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Filesize
4.1MB
MD5a9734842f8ec511208a9624f0d76d841
SHA1b6ac1ab4f2503b7a1e4b13b968998f317821031c
SHA25618d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b
SHA51220a4f7a2c8bb232f6a59832095c431cf4e581dcf1f441a5592a1d29fbd7e6230f14c707d54ca5f72c5896fb4a06e139e8b6a47438fcb0a0a298cc51aaa0faa38
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec