Analysis
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max time kernel
150s -
max time network
145s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 20:37
Static task
static1
Behavioral task
behavioral1
Sample
a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe
Resource
win10v2004-20240508-en
General
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Target
a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe
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Size
4.1MB
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MD5
02d205066637bc4a8e750978239cc59c
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SHA1
331c330b04c3a7caa8b0a4ed44118d9637e99278
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SHA256
a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997
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SHA512
71999994a8ad8319bdf93f24aab45a528ef43bcc464fbe6a0f2f84a841acd34fd5e10b47a109bac3e79ccb791959daff92d4c92e396c605084c6541a65f9bc98
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SSDEEP
98304:D7sgfTqZm7fywQIpjGUn+cmloZHued8miXbTsPufBvNE:DzgmDywQg+foZ8mw6S+
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/3716-2-0x0000000004980000-0x000000000526B000-memory.dmp family_glupteba behavioral2/memory/3716-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3716-134-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3716-135-0x0000000004980000-0x000000000526B000-memory.dmp family_glupteba behavioral2/memory/3716-199-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3140-197-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2776-201-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2776-213-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2776-217-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2776-221-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2776-225-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2776-229-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2776-233-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2776-237-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2776-241-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2776-245-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2776-249-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2776-253-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2776-257-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1048 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2776 csrss.exe 3116 injector.exe 768 windefender.exe 2348 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002aa34-206.dat upx behavioral2/memory/768-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/768-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2348-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2348-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2348-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.exea17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.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 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 -
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:
a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe -
Drops file in Windows directory 4 IoCs
Processes:
a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe File created C:\Windows\rss\csrss.exe a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.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 412 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 728 powershell.exe 2152 powershell.exe 2184 powershell.exe 4480 powershell.exe 2456 powershell.exe 1044 powershell.exe 1272 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 5068 schtasks.exe 2932 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exea17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.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\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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,-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,-571 = "China Daylight Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.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" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.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" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exea17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exepowershell.exea17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 2152 powershell.exe 2152 powershell.exe 3716 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 3716 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 2184 powershell.exe 2184 powershell.exe 3140 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 3140 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 3140 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 3140 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 3140 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 3140 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 3140 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 3140 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 3140 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 3140 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 4480 powershell.exe 4480 powershell.exe 2456 powershell.exe 2456 powershell.exe 1044 powershell.exe 1044 powershell.exe 1272 powershell.exe 1272 powershell.exe 728 powershell.exe 728 powershell.exe 3116 injector.exe 3116 injector.exe 3116 injector.exe 3116 injector.exe 3116 injector.exe 3116 injector.exe 2776 csrss.exe 2776 csrss.exe 3116 injector.exe 3116 injector.exe 3116 injector.exe 3116 injector.exe 3116 injector.exe 3116 injector.exe 2776 csrss.exe 2776 csrss.exe 3116 injector.exe 3116 injector.exe 3116 injector.exe 3116 injector.exe 2776 csrss.exe 2776 csrss.exe 3116 injector.exe 3116 injector.exe 3116 injector.exe 3116 injector.exe 3116 injector.exe 3116 injector.exe 3116 injector.exe 3116 injector.exe 3116 injector.exe 3116 injector.exe 3116 injector.exe 3116 injector.exe 3116 injector.exe 3116 injector.exe 3116 injector.exe 3116 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exea17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 2152 powershell.exe Token: SeDebugPrivilege 3716 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Token: SeImpersonatePrivilege 3716 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Token: SeDebugPrivilege 2184 powershell.exe Token: SeDebugPrivilege 4480 powershell.exe Token: SeDebugPrivilege 2456 powershell.exe Token: SeDebugPrivilege 1044 powershell.exe Token: SeDebugPrivilege 1272 powershell.exe Token: SeDebugPrivilege 728 powershell.exe Token: SeSystemEnvironmentPrivilege 2776 csrss.exe Token: SeSecurityPrivilege 412 sc.exe Token: SeSecurityPrivilege 412 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exea17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3716 wrote to memory of 2152 3716 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 82 PID 3716 wrote to memory of 2152 3716 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 82 PID 3716 wrote to memory of 2152 3716 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 82 PID 3140 wrote to memory of 2184 3140 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 87 PID 3140 wrote to memory of 2184 3140 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 87 PID 3140 wrote to memory of 2184 3140 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 87 PID 3140 wrote to memory of 2484 3140 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 89 PID 3140 wrote to memory of 2484 3140 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 89 PID 2484 wrote to memory of 1048 2484 cmd.exe 91 PID 2484 wrote to memory of 1048 2484 cmd.exe 91 PID 3140 wrote to memory of 4480 3140 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 92 PID 3140 wrote to memory of 4480 3140 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 92 PID 3140 wrote to memory of 4480 3140 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 92 PID 3140 wrote to memory of 2456 3140 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 94 PID 3140 wrote to memory of 2456 3140 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 94 PID 3140 wrote to memory of 2456 3140 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 94 PID 3140 wrote to memory of 2776 3140 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 96 PID 3140 wrote to memory of 2776 3140 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 96 PID 3140 wrote to memory of 2776 3140 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 96 PID 2776 wrote to memory of 1044 2776 csrss.exe 97 PID 2776 wrote to memory of 1044 2776 csrss.exe 97 PID 2776 wrote to memory of 1044 2776 csrss.exe 97 PID 2776 wrote to memory of 1272 2776 csrss.exe 102 PID 2776 wrote to memory of 1272 2776 csrss.exe 102 PID 2776 wrote to memory of 1272 2776 csrss.exe 102 PID 2776 wrote to memory of 728 2776 csrss.exe 105 PID 2776 wrote to memory of 728 2776 csrss.exe 105 PID 2776 wrote to memory of 728 2776 csrss.exe 105 PID 2776 wrote to memory of 3116 2776 csrss.exe 107 PID 2776 wrote to memory of 3116 2776 csrss.exe 107 PID 768 wrote to memory of 3880 768 windefender.exe 113 PID 768 wrote to memory of 3880 768 windefender.exe 113 PID 768 wrote to memory of 3880 768 windefender.exe 113 PID 3880 wrote to memory of 412 3880 cmd.exe 114 PID 3880 wrote to memory of 412 3880 cmd.exe 114 PID 3880 wrote to memory of 412 3880 cmd.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe"C:\Users\Admin\AppData\Local\Temp\a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3716 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2152
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C:\Users\Admin\AppData\Local\Temp\a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe"C:\Users\Admin\AppData\Local\Temp\a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.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:3140 -
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:2184
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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:2484 -
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:1048
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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:4480
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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:2456
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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:2776 -
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:1044
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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:5068
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2352
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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:1272
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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:728
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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:3116
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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:2932
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:768 -
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:3880 -
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:412
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2348
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56ee8ea3f0bbe437509023a0a35eb1667
SHA16167e82c33a8e14001c546b065fc0ece4f39fbce
SHA256d84dee8eca3bf2c9187a74728a600c7d6c0c1a702abf501c824727d94531a020
SHA51282234f63e1df6b772a67f6312cbd7a6e6545bc7534923ff874c48759f23a69586f939f86f00077cd56acebbd519a26efe9e5baa9d1ca3f56e06c442340f92d44
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD563e70eaac1603f4b63e3f90d38721081
SHA1196ccc1f18bd80ae21a46f95515ba526e770e520
SHA256ef52f182ed7ba05d0d992398211e4f0e969820e9e1b95ffe209949aecc0b72a3
SHA512f9aa9bd292b9f854feb9f748ba16680411bb62390618e611b3c43a5ce781304a6a32ac19d83dae332840139092b37d331e74af43fe4227a5a2ace2b4a59cbf32
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b82d88059dfae7236b314707494d110b
SHA159fbe1e0fc923de3ca03a57c47770fe842fdfe08
SHA256c8e6e87151cb642a13d699a653fe36db04b8e92207e7b092dcfdf85d3ebd8d7b
SHA512c6c379c15f3c0fd0c8c3c15084bcaadeef6e1f767fe78d45bccb47e6f38a729f17443e8c9d561018c8a73baa45fb9f0afd4d939f80b5e58ec27e3180634f66e6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aaec927635ea2bcc8d829c50e7af3117
SHA15a0c900d1e95d222b5c9be5606c9e508ff7923ad
SHA256148e7042aaed54c4538a27bb011dcc098d6951ba1494507162ac5e9b3ee307a2
SHA5123e790ab40485bd476f65bc269c905cc0d14c670b9806c37111be7df719bad1d9fcd703138b42739084b2ac5eb740295e32258373f98d19d88a09e3039ae375e9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c368d1d9fd2a01ac242e7394b5a73709
SHA163600fd9a63a47b104f342ce5348c3e6468b580c
SHA256693f8bcd9aa88a15a778e6c1081bc9d4979116b7977257db5af4ae9cc63f239c
SHA51291edec1f7225cd3ab0312fad79f14af5c5a0adc0e0e0ac8baf6e9f820e0886a69b6c9ca1cae7281a00015d10b1bc79f35b2dc7a1c223389335a91d7db41da6cc
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Filesize
4.1MB
MD502d205066637bc4a8e750978239cc59c
SHA1331c330b04c3a7caa8b0a4ed44118d9637e99278
SHA256a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997
SHA51271999994a8ad8319bdf93f24aab45a528ef43bcc464fbe6a0f2f84a841acd34fd5e10b47a109bac3e79ccb791959daff92d4c92e396c605084c6541a65f9bc98
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec