Analysis
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max time kernel
150s -
max time network
129s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
05/05/2024, 09:11
Static task
static1
Behavioral task
behavioral1
Sample
fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe
Resource
win10v2004-20240419-en
General
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Target
fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe
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Size
4.2MB
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MD5
bfc71ca900223ad56c9121cc673de4b6
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SHA1
e6ba2ca5c62dfe7fd4e8264e02d5843b74134a62
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SHA256
fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35
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SHA512
40ec696209d00aeed9fc9365018cbb79b8ba09160d53438d39d09a0cd60718dd02364de9a5cf1832d63fede25bbaf26aaad12bd590af3120ae5cbc3c60bd9d61
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SSDEEP
98304:xk8y34i1CiW2qts8hripbrqAE7yu1YbP/HC1aHOfU:xkgMFWB2vNrqbzKbnC1aHOfU
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1824-2-0x0000000005180000-0x0000000005A6B000-memory.dmp family_glupteba behavioral2/memory/1824-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1824-42-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/1824-53-0x0000000005180000-0x0000000005A6B000-memory.dmp family_glupteba behavioral2/memory/1824-51-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/2520-63-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/1824-77-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2520-122-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/2520-129-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/412-198-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/412-209-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/412-217-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/412-220-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/412-223-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/412-226-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/412-229-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/412-232-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/412-235-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/412-238-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1548 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 412 csrss.exe 1188 injector.exe 3156 windefender.exe 2300 windefender.exe -
resource yara_rule behavioral2/files/0x001900000002ab46-208.dat upx behavioral2/memory/3156-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2300-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3156-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2300-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2300-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-734199974-1358367239-436541239-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe Set value (str) \REGISTRY\USER\S-1-5-21-734199974-1358367239-436541239-1000\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.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe File created C:\Windows\rss\csrss.exe fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.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.
pid Process 3572 sc.exe -
pid Process 928 powershell.exe 2304 powershell.exe 4804 powershell.exe 5080 powershell.exe 2408 powershell.exe 4980 powershell.exe 3128 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2524 schtasks.exe 2768 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.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,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.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,-42 = "E. South America Standard Time" windefender.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,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 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,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.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,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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,-262 = "GMT Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4804 powershell.exe 4804 powershell.exe 1824 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 1824 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 5080 powershell.exe 5080 powershell.exe 2520 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 2520 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 2520 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 2520 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 2520 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 2520 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 2520 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 2520 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 2520 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 2520 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 2408 powershell.exe 2408 powershell.exe 4980 powershell.exe 4980 powershell.exe 3128 powershell.exe 3128 powershell.exe 928 powershell.exe 928 powershell.exe 2304 powershell.exe 2304 powershell.exe 1188 injector.exe 1188 injector.exe 1188 injector.exe 1188 injector.exe 1188 injector.exe 1188 injector.exe 412 csrss.exe 412 csrss.exe 1188 injector.exe 1188 injector.exe 1188 injector.exe 1188 injector.exe 1188 injector.exe 1188 injector.exe 412 csrss.exe 412 csrss.exe 1188 injector.exe 1188 injector.exe 412 csrss.exe 412 csrss.exe 1188 injector.exe 1188 injector.exe 1188 injector.exe 1188 injector.exe 1188 injector.exe 1188 injector.exe 1188 injector.exe 1188 injector.exe 1188 injector.exe 1188 injector.exe 1188 injector.exe 1188 injector.exe 1188 injector.exe 1188 injector.exe 1188 injector.exe 1188 injector.exe 1188 injector.exe 1188 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4804 powershell.exe Token: SeDebugPrivilege 1824 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe Token: SeImpersonatePrivilege 1824 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe Token: SeDebugPrivilege 5080 powershell.exe Token: SeDebugPrivilege 2408 powershell.exe Token: SeDebugPrivilege 4980 powershell.exe Token: SeDebugPrivilege 3128 powershell.exe Token: SeDebugPrivilege 928 powershell.exe Token: SeDebugPrivilege 2304 powershell.exe Token: SeSystemEnvironmentPrivilege 412 csrss.exe Token: SeSecurityPrivilege 3572 sc.exe Token: SeSecurityPrivilege 3572 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1824 wrote to memory of 4804 1824 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 82 PID 1824 wrote to memory of 4804 1824 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 82 PID 1824 wrote to memory of 4804 1824 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 82 PID 2520 wrote to memory of 5080 2520 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 87 PID 2520 wrote to memory of 5080 2520 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 87 PID 2520 wrote to memory of 5080 2520 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 87 PID 2520 wrote to memory of 2752 2520 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 89 PID 2520 wrote to memory of 2752 2520 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 89 PID 2752 wrote to memory of 1548 2752 cmd.exe 91 PID 2752 wrote to memory of 1548 2752 cmd.exe 91 PID 2520 wrote to memory of 2408 2520 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 92 PID 2520 wrote to memory of 2408 2520 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 92 PID 2520 wrote to memory of 2408 2520 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 92 PID 2520 wrote to memory of 4980 2520 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 94 PID 2520 wrote to memory of 4980 2520 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 94 PID 2520 wrote to memory of 4980 2520 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 94 PID 2520 wrote to memory of 412 2520 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 96 PID 2520 wrote to memory of 412 2520 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 96 PID 2520 wrote to memory of 412 2520 fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe 96 PID 412 wrote to memory of 3128 412 csrss.exe 97 PID 412 wrote to memory of 3128 412 csrss.exe 97 PID 412 wrote to memory of 3128 412 csrss.exe 97 PID 412 wrote to memory of 928 412 csrss.exe 102 PID 412 wrote to memory of 928 412 csrss.exe 102 PID 412 wrote to memory of 928 412 csrss.exe 102 PID 412 wrote to memory of 2304 412 csrss.exe 105 PID 412 wrote to memory of 2304 412 csrss.exe 105 PID 412 wrote to memory of 2304 412 csrss.exe 105 PID 412 wrote to memory of 1188 412 csrss.exe 107 PID 412 wrote to memory of 1188 412 csrss.exe 107 PID 3156 wrote to memory of 2016 3156 windefender.exe 113 PID 3156 wrote to memory of 2016 3156 windefender.exe 113 PID 3156 wrote to memory of 2016 3156 windefender.exe 113 PID 2016 wrote to memory of 3572 2016 cmd.exe 114 PID 2016 wrote to memory of 3572 2016 cmd.exe 114 PID 2016 wrote to memory of 3572 2016 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\fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe"C:\Users\Admin\AppData\Local\Temp\fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1824 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4804
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C:\Users\Admin\AppData\Local\Temp\fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.exe"C:\Users\Admin\AppData\Local\Temp\fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35.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:2520 -
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:5080
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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:2752 -
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:1548
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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:2408
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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:4980
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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:412 -
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:3128
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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:2524
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3184
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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:928
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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:2304
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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:1188
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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:2768
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3156 -
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:2016 -
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:3572
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2300
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
MD500cd16bcb29488bf05ddde0917300b86
SHA162e7c649c1374f20b2e1b44d56d00259e6406149
SHA256aed53511731ecc22e94898e2d3bc3b00d37fb4f1df9206736a703fa839f5e375
SHA5120f61e1fbee94b90d166ac028e7b3bbf2d52fd0bc61220dcbcc0360a94e88214c55cd9507ac70369f206fb5caccbf7821bad288aa6743623b3d47c1c3e5da73ac
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56d8d4cbb25085247eb666e5aa05b9052
SHA13a11f0e1fdff7b0fa49f12cb39fa9d72859c6dc1
SHA256101fa183c346bf6e654527f7e1a7bd025e43eb1d46186cd552967ba21fe7c787
SHA5126dd69bf9197155fb957f7ca44a293df8ee33c24bd8f3d47c6cccdfaf56ddc13e4bd36ca1e4305f6719ea5d6f5d91e8de135ce6ffe5d9e385e4715e8f19de59b5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d3d19abfd2fe6a9c8f8bcc26fd992a84
SHA1b53b1c4e260f3cfee8130051fa5488ed846802aa
SHA2560004899454091be6f56952b78d5f3120d08efc40abb6f2fe99479b1ece99c2be
SHA512e34e53bb4a1234e3abb528c60fb8ca2eba055dd9b8371e412a6f1452fba79e365abcfafec39be20b8290e63a94ce4f5bbc56925406814e8e6e6981ba8dfc29df
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54cc4705725091553ec61682640218a1a
SHA1eada587ebf1372461857e1a4ddf53529bb09a801
SHA256dc203049d87abc24b41dfd3678210a28effa0fabddd4c750b076b1fce694cdbc
SHA512a80e078c6bf8127ba5e537f8165880adee64b3155b47fe6d8b5f74f313b65aa589298fee6cf00fe7855c117acc11d9bc5c87c2315b6bffa49c2ed6d9d32b2748
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5658524abc776b29632db32a165869de1
SHA15a26ce046671446c17de3fe5e5cf19660961ed81
SHA2569bab756fcfdff5d50a775d4184ccda535d3c7dbbb47cdd1c5f883eb4c36f945a
SHA5129069522cee16ef49eef2ce3e04acad0ad0351d0825f65bf6a77e0eabd3eeda79a7c34edff4b0cfbb05fdaae633235d60751692e5538583b6153807c6223ed12f
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Filesize
4.2MB
MD5bfc71ca900223ad56c9121cc673de4b6
SHA1e6ba2ca5c62dfe7fd4e8264e02d5843b74134a62
SHA256fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35
SHA51240ec696209d00aeed9fc9365018cbb79b8ba09160d53438d39d09a0cd60718dd02364de9a5cf1832d63fede25bbaf26aaad12bd590af3120ae5cbc3c60bd9d61
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec