Analysis
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max time kernel
149s -
max time network
151s -
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 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 behavioral2/memory/1432-2-0x0000000004A20000-0x000000000530B000-memory.dmp family_glupteba behavioral2/memory/1432-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1432-99-0x0000000004A20000-0x000000000530B000-memory.dmp family_glupteba behavioral2/memory/1432-98-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1432-146-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4584-145-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/580-201-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/580-213-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/580-217-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/580-221-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/580-224-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/580-229-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/580-233-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/580-237-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/580-241-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/580-244-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/580-249-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/580-253-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/580-257-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4568 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 580 csrss.exe 1788 injector.exe 3556 windefender.exe 2924 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002a9ba-204.dat upx behavioral2/memory/3556-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3556-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2924-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2924-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2924-223-0x0000000000400000-0x00000000008DF000-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-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\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\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 File created 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 2736 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4312 powershell.exe 3820 powershell.exe 4780 powershell.exe 2408 powershell.exe 4672 powershell.exe 848 powershell.exe 3884 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 2004 schtasks.exe 3992 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exepowershell.exepowershell.exepowershell.exe18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.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,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.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,-511 = "Central Asia Daylight 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,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 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\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.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,-2342 = "Haiti Standard Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.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,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exepowershell.exe18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 848 powershell.exe 848 powershell.exe 1432 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 1432 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 3884 powershell.exe 3884 powershell.exe 4584 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 4584 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 4584 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 4584 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 4584 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 4584 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 4584 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 4584 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 4584 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 4584 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 4312 powershell.exe 4312 powershell.exe 3820 powershell.exe 3820 powershell.exe 4780 powershell.exe 4780 powershell.exe 2408 powershell.exe 2408 powershell.exe 4672 powershell.exe 4672 powershell.exe 1788 injector.exe 1788 injector.exe 1788 injector.exe 1788 injector.exe 1788 injector.exe 1788 injector.exe 580 csrss.exe 580 csrss.exe 1788 injector.exe 1788 injector.exe 1788 injector.exe 1788 injector.exe 1788 injector.exe 1788 injector.exe 580 csrss.exe 580 csrss.exe 1788 injector.exe 1788 injector.exe 1788 injector.exe 1788 injector.exe 580 csrss.exe 580 csrss.exe 1788 injector.exe 1788 injector.exe 1788 injector.exe 1788 injector.exe 1788 injector.exe 1788 injector.exe 1788 injector.exe 1788 injector.exe 1788 injector.exe 1788 injector.exe 1788 injector.exe 1788 injector.exe 1788 injector.exe 1788 injector.exe 1788 injector.exe 1788 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 848 powershell.exe Token: SeDebugPrivilege 1432 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Token: SeImpersonatePrivilege 1432 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe Token: SeDebugPrivilege 3884 powershell.exe Token: SeDebugPrivilege 4312 powershell.exe Token: SeDebugPrivilege 3820 powershell.exe Token: SeDebugPrivilege 4780 powershell.exe Token: SeDebugPrivilege 2408 powershell.exe Token: SeDebugPrivilege 4672 powershell.exe Token: SeSystemEnvironmentPrivilege 580 csrss.exe Token: SeSecurityPrivilege 2736 sc.exe Token: SeSecurityPrivilege 2736 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1432 wrote to memory of 848 1432 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 81 PID 1432 wrote to memory of 848 1432 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 81 PID 1432 wrote to memory of 848 1432 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 81 PID 4584 wrote to memory of 3884 4584 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 87 PID 4584 wrote to memory of 3884 4584 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 87 PID 4584 wrote to memory of 3884 4584 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 87 PID 4584 wrote to memory of 5020 4584 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 89 PID 4584 wrote to memory of 5020 4584 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 89 PID 5020 wrote to memory of 4568 5020 cmd.exe 91 PID 5020 wrote to memory of 4568 5020 cmd.exe 91 PID 4584 wrote to memory of 4312 4584 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 92 PID 4584 wrote to memory of 4312 4584 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 92 PID 4584 wrote to memory of 4312 4584 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 92 PID 4584 wrote to memory of 3820 4584 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 94 PID 4584 wrote to memory of 3820 4584 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 94 PID 4584 wrote to memory of 3820 4584 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 94 PID 4584 wrote to memory of 580 4584 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 96 PID 4584 wrote to memory of 580 4584 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 96 PID 4584 wrote to memory of 580 4584 18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe 96 PID 580 wrote to memory of 4780 580 csrss.exe 97 PID 580 wrote to memory of 4780 580 csrss.exe 97 PID 580 wrote to memory of 4780 580 csrss.exe 97 PID 580 wrote to memory of 2408 580 csrss.exe 103 PID 580 wrote to memory of 2408 580 csrss.exe 103 PID 580 wrote to memory of 2408 580 csrss.exe 103 PID 580 wrote to memory of 4672 580 csrss.exe 105 PID 580 wrote to memory of 4672 580 csrss.exe 105 PID 580 wrote to memory of 4672 580 csrss.exe 105 PID 580 wrote to memory of 1788 580 csrss.exe 107 PID 580 wrote to memory of 1788 580 csrss.exe 107 PID 3556 wrote to memory of 1916 3556 windefender.exe 113 PID 3556 wrote to memory of 1916 3556 windefender.exe 113 PID 3556 wrote to memory of 1916 3556 windefender.exe 113 PID 1916 wrote to memory of 2736 1916 cmd.exe 114 PID 1916 wrote to memory of 2736 1916 cmd.exe 114 PID 1916 wrote to memory of 2736 1916 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\18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe"C:\Users\Admin\AppData\Local\Temp\18d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1432 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:848
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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:4584 -
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:3884
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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:5020 -
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:4568
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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:4312
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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:3820
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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:580 -
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:4780
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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:2004
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3440
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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:2408
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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:4672
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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:1788
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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:3992
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3556 -
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:1916 -
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:2736
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2924
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
MD5e079d860cd967ea3cd53f1034cc14e03
SHA184baa4b37e67c06c20f8b3ef2279cba50d967e5a
SHA2568d73469fd09bd6f7bf4caf239daea6cff66c1d52601e4a934593d75e0c6459e9
SHA512d31f41a1c38ee8652bbb7d3275099a76e2f68be511bf9f3efe60e4149b9ca929f9a7d765c65de833378c883db24449bc0dfff5539e372f5694a893a2161302ff
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD589acc8fc72a4dc074afa57b997863b3a
SHA1238eb441f15e99f8015d4032f3f196b729aa30ce
SHA256ccbfe1e9bcbff2bde8e45c5691eee6d4b6131f3d023fbfd961460408fb118617
SHA51256811a42272aaab29be3754a4af30cb6ff707e440e63a968b6d0e424d10525d12f0e91d640afea68a6808e940ed7770befdfbdd3c821a267679c62fcb256e455
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5edbb67cc85c84ba2cdcb0288b6876878
SHA1acdcaf81cd14ace800f363f04e265f105e640cbe
SHA256d4a54dff29c1bc0ebcc3c2d5761980bebd983707c0bcd52ad522032de3bef9a1
SHA512f7d66694aa9042d7a3e965f652c3eeaca19ad73a4955262290a170b5c5030c4961d1a09d0643069671b4d2cc2ce526fc3d312c77e15b018eb85a67c33b8caf32
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d97e19ad95223b147d2d5f9ab9a788e9
SHA19f1594424e96322f6d968a891f1e1073b71555c4
SHA2569e018794468f1033cc299496fec206eb07fcf934e481a7b39efa149a05db0d26
SHA512c4cb53d0c7bd10499647ae55cd3b4e7c09266d88a5829e8c109759db22f39cd8aa0db5f8643dc9e7a65e1475226e7ea42913cd1322cc329ccec507cc5e257c84
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a8547a67d5b9ca4ab367f712c49e9269
SHA1fa3fdd73adc3e13e7ca742b7f87b09b33aeeb9df
SHA256349d52101dc4f9bc37f7d8305a4b23b145d89d32e489d380fa7129a0d581a6a2
SHA5124867f45ec62884755360d787ad6c1bdb1ff09c2363420d81039cdc51f39c071233db43f85668eb6e9dd9f20f1b4d00b2665f7c79bec0a8368b15254280bcf6e4
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Filesize
4.1MB
MD5a9734842f8ec511208a9624f0d76d841
SHA1b6ac1ab4f2503b7a1e4b13b968998f317821031c
SHA25618d6edfbb6a0143789dcbe14a78544e4adf84149283c760bac97dd1011c2792b
SHA51220a4f7a2c8bb232f6a59832095c431cf4e581dcf1f441a5592a1d29fbd7e6230f14c707d54ca5f72c5896fb4a06e139e8b6a47438fcb0a0a298cc51aaa0faa38
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec