Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 16:22
Static task
static1
Behavioral task
behavioral1
Sample
70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe
Resource
win10v2004-20240508-en
General
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Target
70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe
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Size
4.1MB
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MD5
991ea0880f0cc133ec464b737c084ec4
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SHA1
07bf27191162eedbc748903af8faa01e8a6291d3
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SHA256
70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc
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SHA512
139e3b22863287eaf64103736e7208a3062a700cc9903eef37ea93029dcbc27bfedb047d03161ff1fcd00ed9a051a21a001edb5bf13545b9d785a1a56d3de394
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SSDEEP
98304:JvHfbigA34ifkpJZQU0TgaIfW6UkFHwAhDtgwFW+1U:JvHfb2IifudqhIuUHwAjW+O
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/2492-2-0x0000000004A80000-0x000000000536B000-memory.dmp family_glupteba behavioral2/memory/2492-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2492-96-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2492-118-0x0000000004A80000-0x000000000536B000-memory.dmp family_glupteba behavioral2/memory/2492-146-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3500-145-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3696-199-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3696-211-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3696-215-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3696-219-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3696-223-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3696-227-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3696-231-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3696-235-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3696-239-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3696-243-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3696-247-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3696-251-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3696-255-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 432 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3696 csrss.exe 1140 injector.exe 2692 windefender.exe 4168 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002aa27-203.dat upx behavioral2/memory/2692-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4168-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2692-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4168-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4168-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\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:
70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe -
Drops file in Windows directory 4 IoCs
Processes:
70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe File created C:\Windows\rss\csrss.exe 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.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 1944 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 800 powershell.exe 1204 powershell.exe 1524 powershell.exe 2144 powershell.exe 1096 powershell.exe 3580 powershell.exe 3996 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 468 schtasks.exe 748 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exepowershell.exewindefender.exepowershell.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,-1931 = "Russia TZ 11 Daylight Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.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,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.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,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.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\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exepowershell.exe70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1204 powershell.exe 1204 powershell.exe 2492 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 2492 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 1524 powershell.exe 1524 powershell.exe 3500 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 3500 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 3500 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 3500 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 3500 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 3500 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 3500 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 3500 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 3500 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 3500 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 2144 powershell.exe 2144 powershell.exe 1096 powershell.exe 1096 powershell.exe 3580 powershell.exe 3580 powershell.exe 3996 powershell.exe 3996 powershell.exe 800 powershell.exe 800 powershell.exe 1140 injector.exe 1140 injector.exe 1140 injector.exe 1140 injector.exe 1140 injector.exe 1140 injector.exe 3696 csrss.exe 3696 csrss.exe 1140 injector.exe 1140 injector.exe 1140 injector.exe 1140 injector.exe 1140 injector.exe 1140 injector.exe 3696 csrss.exe 3696 csrss.exe 1140 injector.exe 1140 injector.exe 3696 csrss.exe 3696 csrss.exe 1140 injector.exe 1140 injector.exe 1140 injector.exe 1140 injector.exe 1140 injector.exe 1140 injector.exe 1140 injector.exe 1140 injector.exe 1140 injector.exe 1140 injector.exe 1140 injector.exe 1140 injector.exe 1140 injector.exe 1140 injector.exe 1140 injector.exe 1140 injector.exe 1140 injector.exe 1140 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1204 powershell.exe Token: SeDebugPrivilege 2492 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Token: SeImpersonatePrivilege 2492 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Token: SeDebugPrivilege 1524 powershell.exe Token: SeDebugPrivilege 2144 powershell.exe Token: SeDebugPrivilege 1096 powershell.exe Token: SeDebugPrivilege 3580 powershell.exe Token: SeDebugPrivilege 3996 powershell.exe Token: SeDebugPrivilege 800 powershell.exe Token: SeSystemEnvironmentPrivilege 3696 csrss.exe Token: SeSecurityPrivilege 1944 sc.exe Token: SeSecurityPrivilege 1944 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 2492 wrote to memory of 1204 2492 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 79 PID 2492 wrote to memory of 1204 2492 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 79 PID 2492 wrote to memory of 1204 2492 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 79 PID 3500 wrote to memory of 1524 3500 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 84 PID 3500 wrote to memory of 1524 3500 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 84 PID 3500 wrote to memory of 1524 3500 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 84 PID 3500 wrote to memory of 1164 3500 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 86 PID 3500 wrote to memory of 1164 3500 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 86 PID 1164 wrote to memory of 432 1164 cmd.exe 88 PID 1164 wrote to memory of 432 1164 cmd.exe 88 PID 3500 wrote to memory of 2144 3500 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 89 PID 3500 wrote to memory of 2144 3500 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 89 PID 3500 wrote to memory of 2144 3500 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 89 PID 3500 wrote to memory of 1096 3500 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 91 PID 3500 wrote to memory of 1096 3500 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 91 PID 3500 wrote to memory of 1096 3500 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 91 PID 3500 wrote to memory of 3696 3500 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 93 PID 3500 wrote to memory of 3696 3500 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 93 PID 3500 wrote to memory of 3696 3500 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 93 PID 3696 wrote to memory of 3580 3696 csrss.exe 94 PID 3696 wrote to memory of 3580 3696 csrss.exe 94 PID 3696 wrote to memory of 3580 3696 csrss.exe 94 PID 3696 wrote to memory of 3996 3696 csrss.exe 100 PID 3696 wrote to memory of 3996 3696 csrss.exe 100 PID 3696 wrote to memory of 3996 3696 csrss.exe 100 PID 3696 wrote to memory of 800 3696 csrss.exe 102 PID 3696 wrote to memory of 800 3696 csrss.exe 102 PID 3696 wrote to memory of 800 3696 csrss.exe 102 PID 3696 wrote to memory of 1140 3696 csrss.exe 104 PID 3696 wrote to memory of 1140 3696 csrss.exe 104 PID 2692 wrote to memory of 3104 2692 windefender.exe 110 PID 2692 wrote to memory of 3104 2692 windefender.exe 110 PID 2692 wrote to memory of 3104 2692 windefender.exe 110 PID 3104 wrote to memory of 1944 3104 cmd.exe 111 PID 3104 wrote to memory of 1944 3104 cmd.exe 111 PID 3104 wrote to memory of 1944 3104 cmd.exe 111 -
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\70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe"C:\Users\Admin\AppData\Local\Temp\70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2492 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1204
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C:\Users\Admin\AppData\Local\Temp\70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe"C:\Users\Admin\AppData\Local\Temp\70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.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:3500 -
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:1524
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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:1164 -
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:432
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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:2144
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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:1096
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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:3696 -
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:3580
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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:468
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2448
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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:3996
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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:800
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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:1140
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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:748
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2692 -
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:3104 -
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:1944
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4168
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
MD56c2ee99c510351b3defc40b7872233dd
SHA1fb9b7e97b2edd80b3332365ec6c3fd0751b5eb3e
SHA256239aa59d431531d9c1f1946cf4ea45713515a3c7869a1a5c0e58d0fe358533d7
SHA512befd6b3ca201531deec0bbb03c9832c618328a4c4978edd332f5b0e31036d527957cf27d6074ae5a5728089a488cc5522bbed22f181e3163ba35a570b271feb7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50a8dee66484cc492b69e4cbf33acd0c1
SHA18dd700996ddb4dad7ed8a5b5ea55d7f43fa3c6c8
SHA2564598dc01d5010b06be7ef316a0fd0bd676e19097fc42a8df8bcf0fc3dc84bea2
SHA512e64f47f8b26429071fddab9c025ef5648df78512721f84e2a639a2d744b1fdece7f2d6eaa5bab0e8f7f4ed712c409e24de525c6cd17f78611f29d18584b78e88
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e80abbc52c4354c7dc1a9618155ee06c
SHA1c2d1412938275afea03ac7898c11b886d608aa7c
SHA256df8c637e5b4a1bb36832aa3c5ef87ca8637d7182d6392429e487ff8854ca2fd4
SHA512ca6766af1651930d4b74aa57af9ee5eb41006d3217e04734001c40f05ff52fc6828f71ac6ed9edf9d5669dd1852e5ba024bfbadf214bc235f8980e6b3b4d23f9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5966932989b00985a63f2743982e07c79
SHA1f4d16d66ca7ba92d3ee6a41930fc070042b9cd4b
SHA256edfebb5564a263c29f2cbecc4676abed4c4b349013432f1107de0390b142ef99
SHA5122c81b469d838e75b9eb074eb7a960e9adc521bf6e50a9f10c37fb80139ab03556e54682d98761a56796b1dc8a2abafb6fcfe302a1d145da084483cfac0cbbef2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59a26704a451a3794618ad27ffecc481a
SHA12f9f535dd8018d5afc48b98ebde9a985843d84ba
SHA2566d5f7067858820c0bc97bc0a9a197bf940ac600bcc051c8868b61999fa8b533a
SHA5120dbf44a734d3f063eb8630f225948a31524a683f54cd347cb9435339fc97fdce420226887ec86579a89d92f9d926273627ff12cd606e097d001f61e5b635d18a
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Filesize
4.1MB
MD5991ea0880f0cc133ec464b737c084ec4
SHA107bf27191162eedbc748903af8faa01e8a6291d3
SHA25670c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc
SHA512139e3b22863287eaf64103736e7208a3062a700cc9903eef37ea93029dcbc27bfedb047d03161ff1fcd00ed9a051a21a001edb5bf13545b9d785a1a56d3de394
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec