Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 04:05
Static task
static1
Behavioral task
behavioral1
Sample
236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe
Resource
win10v2004-20240426-en
General
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Target
236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe
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Size
4.1MB
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MD5
8d11584a0f9ddf018dfe251b4056f0c5
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SHA1
003c96af85b43ad078ace55f6599749f5b00e90e
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SHA256
236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c
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SHA512
637a3426631575283546e95ba2214d4bdbb7746f647f38d5027d960f9835f5e00f33e9fdf0c9031bae17b0d424ffd0b34f7a97751d0ec4762b46cd3a17d72d3f
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SSDEEP
98304:uQAQcsa3GhfWYEvpb4LdECaqY+VYhFzXw/u5g9cAd9nO:uQAQcDPYxuCJe7X5ghfO
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/1880-2-0x0000000004A00000-0x00000000052EB000-memory.dmp family_glupteba behavioral1/memory/1880-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1880-57-0x0000000004A00000-0x00000000052EB000-memory.dmp family_glupteba behavioral1/memory/1880-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1880-54-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3040-188-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3188-219-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3188-229-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3188-232-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3188-238-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3188-241-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3188-244-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3188-247-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3188-250-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3188-253-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3188-256-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3188-259-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3188-262-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 1572 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 3188 csrss.exe 2648 injector.exe 928 windefender.exe 1512 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/928-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1512-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/928-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1512-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1512-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe -
Drops file in Windows directory 4 IoCs
Processes:
236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe File created C:\Windows\rss\csrss.exe 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.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 932 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 244 powershell.exe 768 powershell.exe 5004 powershell.exe 3260 powershell.exe 1176 powershell.exe 2732 powershell.exe 1920 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 4244 schtasks.exe 8 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exe236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exedescription ioc process 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\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.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,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian 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\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\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,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.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,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight 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,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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,-161 = "Central Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exepowershell.exe236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 5004 powershell.exe 5004 powershell.exe 1880 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 1880 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 3260 powershell.exe 3260 powershell.exe 3040 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 3040 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 3040 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 3040 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 3040 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 3040 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 3040 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 3040 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 3040 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 3040 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 1176 powershell.exe 1176 powershell.exe 1176 powershell.exe 2732 powershell.exe 2732 powershell.exe 1920 powershell.exe 1920 powershell.exe 244 powershell.exe 244 powershell.exe 768 powershell.exe 768 powershell.exe 2648 injector.exe 2648 injector.exe 2648 injector.exe 2648 injector.exe 2648 injector.exe 2648 injector.exe 3188 csrss.exe 3188 csrss.exe 2648 injector.exe 2648 injector.exe 2648 injector.exe 2648 injector.exe 2648 injector.exe 2648 injector.exe 3188 csrss.exe 3188 csrss.exe 2648 injector.exe 2648 injector.exe 2648 injector.exe 2648 injector.exe 3188 csrss.exe 3188 csrss.exe 2648 injector.exe 2648 injector.exe 2648 injector.exe 2648 injector.exe 2648 injector.exe 2648 injector.exe 2648 injector.exe 2648 injector.exe 2648 injector.exe 2648 injector.exe 2648 injector.exe 2648 injector.exe 2648 injector.exe 2648 injector.exe 2648 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 5004 powershell.exe Token: SeDebugPrivilege 1880 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Token: SeImpersonatePrivilege 1880 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Token: SeDebugPrivilege 3260 powershell.exe Token: SeDebugPrivilege 1176 powershell.exe Token: SeDebugPrivilege 2732 powershell.exe Token: SeDebugPrivilege 1920 powershell.exe Token: SeDebugPrivilege 244 powershell.exe Token: SeDebugPrivilege 768 powershell.exe Token: SeSystemEnvironmentPrivilege 3188 csrss.exe Token: SeSecurityPrivilege 932 sc.exe Token: SeSecurityPrivilege 932 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 1880 wrote to memory of 5004 1880 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe powershell.exe PID 1880 wrote to memory of 5004 1880 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe powershell.exe PID 1880 wrote to memory of 5004 1880 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe powershell.exe PID 3040 wrote to memory of 3260 3040 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe powershell.exe PID 3040 wrote to memory of 3260 3040 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe powershell.exe PID 3040 wrote to memory of 3260 3040 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe powershell.exe PID 3040 wrote to memory of 2152 3040 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe cmd.exe PID 3040 wrote to memory of 2152 3040 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe cmd.exe PID 2152 wrote to memory of 1572 2152 cmd.exe netsh.exe PID 2152 wrote to memory of 1572 2152 cmd.exe netsh.exe PID 3040 wrote to memory of 1176 3040 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe powershell.exe PID 3040 wrote to memory of 1176 3040 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe powershell.exe PID 3040 wrote to memory of 1176 3040 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe powershell.exe PID 3040 wrote to memory of 2732 3040 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe powershell.exe PID 3040 wrote to memory of 2732 3040 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe powershell.exe PID 3040 wrote to memory of 2732 3040 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe powershell.exe PID 3040 wrote to memory of 3188 3040 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe csrss.exe PID 3040 wrote to memory of 3188 3040 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe csrss.exe PID 3040 wrote to memory of 3188 3040 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe csrss.exe PID 3188 wrote to memory of 1920 3188 csrss.exe powershell.exe PID 3188 wrote to memory of 1920 3188 csrss.exe powershell.exe PID 3188 wrote to memory of 1920 3188 csrss.exe powershell.exe PID 3188 wrote to memory of 244 3188 csrss.exe powershell.exe PID 3188 wrote to memory of 244 3188 csrss.exe powershell.exe PID 3188 wrote to memory of 244 3188 csrss.exe powershell.exe PID 3188 wrote to memory of 768 3188 csrss.exe powershell.exe PID 3188 wrote to memory of 768 3188 csrss.exe powershell.exe PID 3188 wrote to memory of 768 3188 csrss.exe powershell.exe PID 3188 wrote to memory of 2648 3188 csrss.exe injector.exe PID 3188 wrote to memory of 2648 3188 csrss.exe injector.exe PID 928 wrote to memory of 4224 928 windefender.exe cmd.exe PID 928 wrote to memory of 4224 928 windefender.exe cmd.exe PID 928 wrote to memory of 4224 928 windefender.exe cmd.exe PID 4224 wrote to memory of 932 4224 cmd.exe sc.exe PID 4224 wrote to memory of 932 4224 cmd.exe sc.exe PID 4224 wrote to memory of 932 4224 cmd.exe sc.exe -
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\236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe"C:\Users\Admin\AppData\Local\Temp\236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1880 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5004 -
C:\Users\Admin\AppData\Local\Temp\236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe"C:\Users\Admin\AppData\Local\Temp\236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.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:3040 -
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:3260 -
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:2152 -
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:1572 -
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:1176 -
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:2732 -
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:3188 -
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:1920 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4244 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1876
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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:244 -
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:768 -
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:2648 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:8 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:928 -
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:4224 -
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:932
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1512
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b347f352d5baa7c3fcaea0bddf7d2839
SHA1d20fffcde436b6412495e23c3b142f132fe04a3a
SHA256d2a5a3b374924470b40cce55083d8c7c77b0f11a13e6421783c90db994c8d55b
SHA512606e1d3bc81eeb25239cfd408aedf8ca2b403e1782458815e8e8b03b1cdac8e23fbc10a74cf9070a5b63221748d4c2e658860e38bc4b1431942f8bc526fd23ab
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD562f51ad13331d16f3b65dc95f2a4bc23
SHA12b3cb73ee7ab2976bd38a124a5aed25b4ce2fbcb
SHA256c33cc25e1f5f13dcaa810530fc1a21f843b17d9f58f30bbcb3bef53373da38b0
SHA512cf191caf7add758bb2cb99b84ffc93f6e2056a7f247baca08cda0104bb7cf3c0004afeb334461dc4d4d257078c508c6c5e7fd2c67aea9e3c8ec9855c7636749d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a6409b98084e4c675a85ad9446c81c4d
SHA19adcebe7e9334f463ca562c520decd26a5c8ff20
SHA2568481166164e578e3c6b6e0498f926682ef75469cb4ca72d25cf66b72e6e64f07
SHA512b4b22ffe390905292217cb0cbb6120e370115bc7dc72f2396014694ca73adce305134548e1ba634b249f0889cdcd079a83443e9b19a02b7b563221edadf85483
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59e0157273241134761819a60a89b2941
SHA13daac7b5d90761cd2ae596505c28f78aa860bbb8
SHA256e3f854ffd5e73ee00b6db1ed92f04595eafa2d7ecdf00cfa9995b17bf0e5745e
SHA5123ff535345195492e5407278ff3c0f1e5cb7a3c88659427aa57b19dba0bdd0d0c28ed49e1f3fc5c93bea16065240a76562f38de4290cdba1ea9b0ba9183ca60a1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD517f305923879ab72bd0ed10af0cba310
SHA1a2e12771bd5958571db410aad4e8e722eebcf260
SHA256f204d4d7d46deb4171a3fec0d2d21d7784b6081878c7956f81e8d951e87d0fc2
SHA512b3f1a74ca890b5b7e6a6995dc8f2f08cb5c959c41b78ff7399597b8e9d334eeb01100c9c992982d276587189a1c953b6dc69d9cbf69f631d238e2516c133aa05
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Filesize
4.1MB
MD58d11584a0f9ddf018dfe251b4056f0c5
SHA1003c96af85b43ad078ace55f6599749f5b00e90e
SHA256236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c
SHA512637a3426631575283546e95ba2214d4bdbb7746f647f38d5027d960f9835f5e00f33e9fdf0c9031bae17b0d424ffd0b34f7a97751d0ec4762b46cd3a17d72d3f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec