Analysis
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max time kernel
150s -
max time network
132s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 09:52
Static task
static1
Behavioral task
behavioral1
Sample
8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe
Resource
win10v2004-20240426-en
General
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Target
8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe
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Size
4.1MB
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MD5
59990a5499023b306158797a9c82b604
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SHA1
f6ad40ffc1e024e51feae1f5a0ef9dbe4b0054ef
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SHA256
8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9
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SHA512
ff4cf11d628d3308db0dc78ca89ca9d63323ae3ec52a83fda9241b7543e98d12905a797dabb59c6b9e8ee69dad7fbaf7326b9864775a22adba05a41873da2eba
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SSDEEP
98304:shY2qRRjR1paGoDMO/b2fpl9vUYBzPUd5cvaqxgKnFtiaj:yYlRLXY4O+pXvrLaqWucq
Malware Config
Signatures
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Glupteba payload 16 IoCs
Processes:
resource yara_rule behavioral2/memory/3652-2-0x0000000004C70000-0x000000000555B000-memory.dmp family_glupteba behavioral2/memory/3652-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3652-52-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3652-63-0x0000000004C70000-0x000000000555B000-memory.dmp family_glupteba behavioral2/memory/4548-197-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4548-214-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4548-217-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4548-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4548-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4548-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4548-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4548-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4548-241-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4548-245-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4548-248-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4548-254-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2752 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4548 csrss.exe 1972 injector.exe 3648 windefender.exe 4212 windefender.exe -
Processes:
resource yara_rule behavioral2/memory/3648-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx C:\Windows\windefender.exe upx behavioral2/memory/3648-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4212-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx C:\Windows\windefender.exe upx behavioral2/memory/4212-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4212-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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:
8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe -
Drops file in Windows directory 4 IoCs
Processes:
8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe File created C:\Windows\rss\csrss.exe 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.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 2392 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 1892 powershell.exe 1428 powershell.exe 2968 powershell.exe 1748 powershell.exe 3456 powershell.exe 2876 powershell.exe 1568 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 2512 schtasks.exe 4832 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exewindefender.exe8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.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,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific 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,-592 = "Malay Peninsula Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.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\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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,-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\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exepowershell.exe8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 1428 powershell.exe 1428 powershell.exe 3652 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 3652 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 2968 powershell.exe 2968 powershell.exe 2052 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 2052 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 2052 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 2052 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 2052 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 2052 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 2052 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 2052 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 2052 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 2052 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 1748 powershell.exe 1748 powershell.exe 3456 powershell.exe 3456 powershell.exe 2876 powershell.exe 2876 powershell.exe 1568 powershell.exe 1568 powershell.exe 1892 powershell.exe 1892 powershell.exe 1972 injector.exe 1972 injector.exe 1972 injector.exe 1972 injector.exe 1972 injector.exe 1972 injector.exe 4548 csrss.exe 4548 csrss.exe 1972 injector.exe 1972 injector.exe 1972 injector.exe 1972 injector.exe 1972 injector.exe 1972 injector.exe 4548 csrss.exe 4548 csrss.exe 1972 injector.exe 1972 injector.exe 4548 csrss.exe 4548 csrss.exe 1972 injector.exe 1972 injector.exe 1972 injector.exe 1972 injector.exe 1972 injector.exe 1972 injector.exe 1972 injector.exe 1972 injector.exe 1972 injector.exe 1972 injector.exe 1972 injector.exe 1972 injector.exe 1972 injector.exe 1972 injector.exe 1972 injector.exe 1972 injector.exe 1972 injector.exe 1972 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 1428 powershell.exe Token: SeDebugPrivilege 3652 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Token: SeImpersonatePrivilege 3652 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Token: SeDebugPrivilege 2968 powershell.exe Token: SeDebugPrivilege 1748 powershell.exe Token: SeDebugPrivilege 3456 powershell.exe Token: SeDebugPrivilege 2876 powershell.exe Token: SeDebugPrivilege 1568 powershell.exe Token: SeDebugPrivilege 1892 powershell.exe Token: SeSystemEnvironmentPrivilege 4548 csrss.exe Token: SeSecurityPrivilege 2392 sc.exe Token: SeSecurityPrivilege 2392 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 3652 wrote to memory of 1428 3652 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe powershell.exe PID 3652 wrote to memory of 1428 3652 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe powershell.exe PID 3652 wrote to memory of 1428 3652 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe powershell.exe PID 2052 wrote to memory of 2968 2052 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Conhost.exe PID 2052 wrote to memory of 2968 2052 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Conhost.exe PID 2052 wrote to memory of 2968 2052 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Conhost.exe PID 2052 wrote to memory of 1092 2052 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe cmd.exe PID 2052 wrote to memory of 1092 2052 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe cmd.exe PID 1092 wrote to memory of 2752 1092 cmd.exe netsh.exe PID 1092 wrote to memory of 2752 1092 cmd.exe netsh.exe PID 2052 wrote to memory of 1748 2052 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe powershell.exe PID 2052 wrote to memory of 1748 2052 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe powershell.exe PID 2052 wrote to memory of 1748 2052 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe powershell.exe PID 2052 wrote to memory of 3456 2052 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe powershell.exe PID 2052 wrote to memory of 3456 2052 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe powershell.exe PID 2052 wrote to memory of 3456 2052 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe powershell.exe PID 2052 wrote to memory of 4548 2052 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe csrss.exe PID 2052 wrote to memory of 4548 2052 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe csrss.exe PID 2052 wrote to memory of 4548 2052 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe csrss.exe PID 4548 wrote to memory of 2876 4548 csrss.exe powershell.exe PID 4548 wrote to memory of 2876 4548 csrss.exe powershell.exe PID 4548 wrote to memory of 2876 4548 csrss.exe powershell.exe PID 4548 wrote to memory of 1568 4548 csrss.exe powershell.exe PID 4548 wrote to memory of 1568 4548 csrss.exe powershell.exe PID 4548 wrote to memory of 1568 4548 csrss.exe powershell.exe PID 4548 wrote to memory of 1892 4548 csrss.exe powershell.exe PID 4548 wrote to memory of 1892 4548 csrss.exe powershell.exe PID 4548 wrote to memory of 1892 4548 csrss.exe powershell.exe PID 4548 wrote to memory of 1972 4548 csrss.exe injector.exe PID 4548 wrote to memory of 1972 4548 csrss.exe injector.exe PID 3648 wrote to memory of 4780 3648 windefender.exe cmd.exe PID 3648 wrote to memory of 4780 3648 windefender.exe cmd.exe PID 3648 wrote to memory of 4780 3648 windefender.exe cmd.exe PID 4780 wrote to memory of 2392 4780 cmd.exe sc.exe PID 4780 wrote to memory of 2392 4780 cmd.exe sc.exe PID 4780 wrote to memory of 2392 4780 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\8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe"C:\Users\Admin\AppData\Local\Temp\8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3652 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1428 -
C:\Users\Admin\AppData\Local\Temp\8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe"C:\Users\Admin\AppData\Local\Temp\8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.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:2052 -
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:2968 -
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:1092 -
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:2752 -
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:1748 -
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:3456 -
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:4548 -
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:2876 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4832 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1672
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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:1568 -
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:1892 -
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:1972 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:2968
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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:2512 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3648 -
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:4780 -
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:2392
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4212
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
MD5e77a6c98573bf283f3325715362abc8c
SHA1a7ec07e3a41c81232ddd1488e8f6c536d5cbcd76
SHA256da34e8e9bcfd05c4aeab9f627da419268e9abab6c9db005d540725c1b1798eb7
SHA5121b5fa85ee1b95761c82b7bb24e2150d39bd606c3c92bad224253ffd0cce18ecdafbca26a61e37f4628179d409ce3899b2901c38c47f0d47ee544ca8d07672dcd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56bd8577bb720f280e2c3642f10d83792
SHA1290540d76c5a721a3b6a556619775c5e0cfac6bf
SHA256b6748b74ea85e6b8beb78407d954055b4d3ff4b97b95bea7744f1849a71cd946
SHA512fd56097ec846082b8a76bd7fd6ca193c51367e1e8abf0ba9d162258b7b7c89dff42ff953da616bf6bff0fde4cbccbfe9cab2ea7dc097382467fd242597397688
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56fcb9c85b5fa7eb4cde718ad9e4ad130
SHA191309a69ff38efc9f6ceda6938f4b8f0288a382e
SHA25612095ba98ad3c182ee05fba209a41242a55ef1d9febe6438b82690584da073f4
SHA512e1bf0f17f122eeb2ec6c7892a542cead8c967eb80ca4eb172ee072a9226bd31040573043a67934d00af77b9b541f7a07c881ce3ee12bd57fdab7273279f26ac0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5484af7734e829782554deb7cb8a191f2
SHA184c6ff093776af7138dc579538e16074b4e5db4a
SHA256e5305aab1fd40ee389082d42584fc384aa440d870de3e77ed438e3a563f31418
SHA512185b2fe75a08b18611337466d0f5e8a6de25a71734d889b3251e35ace7f5f6678754ad049dbdfdfa91932072fd5ba3a5ad03845c5da56be79fd2828d11abd11b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d8c89e796d5e9a9ec73b6eae1782eec4
SHA16ca424614b186c6d0ba489fd070a78dc14ec9fdd
SHA256009860c0c1e74f3f40d35be87336bb2d17fd11c964721d1faa6277d38b0ef865
SHA5129864c40b2c8c6326bf872b4103309178cc1b550d6a2d307732ae0a538727054c10b7ec9e119dff7725c93e00b56d4ff5f3b2bdbaa51d3db4ddbb15f4c5ba5c73
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Filesize
3.6MB
MD51b451c23c714be51b4bdd1d27b1e8307
SHA19fab14ee69e21c2e979195aebb70e4a655ef6a38
SHA256178d39455bb3ebbee38ee967eec9d7b037cf3800432fb7e9d50bdfb7d324ab9f
SHA512ae00323d69c83a511c9c3c33bb78f0e69eba66f3a180b1055b337844786026da70ab77fbde0899207f179b5aa353d6cafa8d8bbf18820b2884b679cc26821e2f
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Filesize
1.7MB
MD5e5c48e630471a2a8233eed664210e0bb
SHA11c87c02ccf2b03638968f9eea31a6c06a350fc73
SHA256f2c7e0fa825c1fe91de816ee47185ce98c7769492cab8d72db6631ecfad64f7e
SHA5120a330c2a352425d16567377f8495f1937e4786ec023bb971c6eee8a5ee5360b43ec3aab8b61d3c77386794976dbf6d3219400b307239350b4030433a5417499b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec