Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
20-04-2024 08:20
Static task
static1
Behavioral task
behavioral1
Sample
634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe
Resource
win10v2004-20240412-en
General
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Target
634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe
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Size
4.2MB
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MD5
e5ed53e808841eaa61cda1453ba1bb9c
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SHA1
76759ba6b4cc525c40de7464d0464514ce997217
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SHA256
634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76
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SHA512
8a71f48d9731f49089ea923f48cf68517fa48e3601d9fd97ab48d12a3bdd39e0b08c43c5534bb7eb8913a4231a6646d2cc47cec979ab0a7f4abf438f77cdafc1
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SSDEEP
98304:qS8Tc81AzKVcNOUNHF6RiNP154spKvDdhObEo7QvVY0ryRAf1Tp7ORe:rEcJzF4UNHqA/dsmoVS4YAf19B
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/3848-2-0x0000000003E50000-0x000000000473B000-memory.dmp family_glupteba behavioral1/memory/3848-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4788-55-0x0000000004040000-0x000000000492B000-memory.dmp family_glupteba behavioral1/memory/4788-56-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3848-81-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4788-219-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4488-257-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4488-268-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4488-271-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4488-275-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4488-279-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4488-284-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4488-288-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4488-292-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4488-296-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4488-299-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4488-303-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4488-307-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4488-312-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 548 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4488 csrss.exe 3224 injector.exe 992 windefender.exe 4728 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/992-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4728-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4728-280-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4728-291-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\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:
634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe -
Drops file in Windows directory 4 IoCs
Processes:
634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.execsrss.exedescription ioc process File created C:\Windows\rss\csrss.exe 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 1352 sc.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 4904 schtasks.exe 2028 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.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\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exepowershell.exe634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 3756 powershell.exe 3756 powershell.exe 3848 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe 3848 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe 2876 powershell.exe 2876 powershell.exe 2876 powershell.exe 4788 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe 4788 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe 4788 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe 4788 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe 4788 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe 4788 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe 4788 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe 4788 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe 4788 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe 4788 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe 2020 powershell.exe 2020 powershell.exe 2020 powershell.exe 5084 powershell.exe 5084 powershell.exe 5084 powershell.exe 1484 powershell.exe 1484 powershell.exe 1484 powershell.exe 2548 powershell.exe 2548 powershell.exe 2548 powershell.exe 4296 powershell.exe 4296 powershell.exe 4296 powershell.exe 3224 injector.exe 3224 injector.exe 3224 injector.exe 3224 injector.exe 3224 injector.exe 3224 injector.exe 4488 csrss.exe 4488 csrss.exe 3224 injector.exe 3224 injector.exe 3224 injector.exe 3224 injector.exe 3224 injector.exe 3224 injector.exe 4488 csrss.exe 4488 csrss.exe 3224 injector.exe 3224 injector.exe 3224 injector.exe 3224 injector.exe 3224 injector.exe 3224 injector.exe 3224 injector.exe 3224 injector.exe 4488 csrss.exe 4488 csrss.exe 3224 injector.exe 3224 injector.exe 3224 injector.exe 3224 injector.exe 3224 injector.exe 3224 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 3756 powershell.exe Token: SeDebugPrivilege 3848 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Token: SeImpersonatePrivilege 3848 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Token: SeDebugPrivilege 2876 powershell.exe Token: SeDebugPrivilege 2020 powershell.exe Token: SeDebugPrivilege 5084 powershell.exe Token: SeDebugPrivilege 1484 powershell.exe Token: SeDebugPrivilege 2548 powershell.exe Token: SeDebugPrivilege 4296 powershell.exe Token: SeSystemEnvironmentPrivilege 4488 csrss.exe Token: SeSecurityPrivilege 1352 sc.exe Token: SeSecurityPrivilege 1352 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 3848 wrote to memory of 3756 3848 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe powershell.exe PID 3848 wrote to memory of 3756 3848 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe powershell.exe PID 3848 wrote to memory of 3756 3848 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe powershell.exe PID 4788 wrote to memory of 2876 4788 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe powershell.exe PID 4788 wrote to memory of 2876 4788 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe powershell.exe PID 4788 wrote to memory of 2876 4788 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe powershell.exe PID 4788 wrote to memory of 1484 4788 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe powershell.exe PID 4788 wrote to memory of 1484 4788 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe powershell.exe PID 1484 wrote to memory of 548 1484 cmd.exe netsh.exe PID 1484 wrote to memory of 548 1484 cmd.exe netsh.exe PID 4788 wrote to memory of 2020 4788 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Conhost.exe PID 4788 wrote to memory of 2020 4788 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Conhost.exe PID 4788 wrote to memory of 2020 4788 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe Conhost.exe PID 4788 wrote to memory of 5084 4788 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe powershell.exe PID 4788 wrote to memory of 5084 4788 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe powershell.exe PID 4788 wrote to memory of 5084 4788 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe powershell.exe PID 4788 wrote to memory of 4488 4788 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe csrss.exe PID 4788 wrote to memory of 4488 4788 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe csrss.exe PID 4788 wrote to memory of 4488 4788 634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe csrss.exe PID 4488 wrote to memory of 1484 4488 csrss.exe powershell.exe PID 4488 wrote to memory of 1484 4488 csrss.exe powershell.exe PID 4488 wrote to memory of 1484 4488 csrss.exe powershell.exe PID 4488 wrote to memory of 2548 4488 csrss.exe powershell.exe PID 4488 wrote to memory of 2548 4488 csrss.exe powershell.exe PID 4488 wrote to memory of 2548 4488 csrss.exe powershell.exe PID 4488 wrote to memory of 4296 4488 csrss.exe powershell.exe PID 4488 wrote to memory of 4296 4488 csrss.exe powershell.exe PID 4488 wrote to memory of 4296 4488 csrss.exe powershell.exe PID 4488 wrote to memory of 3224 4488 csrss.exe injector.exe PID 4488 wrote to memory of 3224 4488 csrss.exe injector.exe PID 992 wrote to memory of 1868 992 windefender.exe cmd.exe PID 992 wrote to memory of 1868 992 windefender.exe cmd.exe PID 992 wrote to memory of 1868 992 windefender.exe cmd.exe PID 1868 wrote to memory of 1352 1868 cmd.exe sc.exe PID 1868 wrote to memory of 1352 1868 cmd.exe sc.exe PID 1868 wrote to memory of 1352 1868 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\634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe"C:\Users\Admin\AppData\Local\Temp\634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3848 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3756
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C:\Users\Admin\AppData\Local\Temp\634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.exe"C:\Users\Admin\AppData\Local\Temp\634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76.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:4788 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2876
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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:1484 -
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:548
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2020
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5084
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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:4488 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1484
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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:4904 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:2020
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1936
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2548
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4296
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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:3224
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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:2028
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:992 -
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:1868 -
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:1352
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4728
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51159927e9923e3b97aa8e16e73bbe41f
SHA1ea32ec51121ab10c41f9e04a35a5445e268a7b06
SHA2565999c5ac09013be4707e345b47bbb9355a61fe7973a22e60ddcf46243cc00159
SHA5128373d6f9b762c16aeb914029d5aaaa6ea38ccd8162a50e2957bd5d43bba1d7c83e1d4a5ad5c93ff25250b6ac1ed92800862320d4c26b865b4ab6278f0bf00b6a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e59d976b8025c10116231bb9be9eea77
SHA160997946368ce16dc1e5a99e24b48c3996f2bd5c
SHA256704539f175be4b79026e146584e482e7ba94ae228f6b35f6343c2772105135d0
SHA512194e1aa09547f391e03daea7be1281d68e9aee87cb159cc125a622651eec2b0a29b65619c8e0851074bc38742a803c0f1d9fc75b1bdb354345f055d14827fdb1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD549c98183509fe800189b0db465ceaabf
SHA119bc4383080ca0ec6b45cfe42d3e304c0332a7e6
SHA256626a78a9f44586c3f8893842698f03e81b840879c9fb23605fe94851fd42683a
SHA5124fa7cf8ae142b10df68d1336d8caf235db06f51c0278b4022b79bfca47ac230366bb25a5e315fd0d2e0f2a6aab784a645406cd65127b9b7e59b13948328c49ca
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5adba028bd9f15b3e51bf3f0f18d3981a
SHA1490daa50ee55e75ed3c29c5f024145ec61dda4c3
SHA256dbd85e96ff6cd28833b051ad04e0594e6d82c459f5c486b283da8e138a8db616
SHA51246beb2527a9103a8082cb327c34c94d35022bbb01f7e728a8d809eafda72fe2d14f129fc675db42b638a2f75bda926c6336fff42ab17081e0f180bf886e64918
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5840e3e29979ea68204ee8b739ae797b9
SHA1dfd1b8e1eb4700bdea49acbe8e1aad6bb98a9322
SHA256689078457c18010fb2f0c9df623ec6c5cd9cb850ca7afe5a6bc63af43e6ac29d
SHA512a86100eab1f10939e6dffb27c99e520f6c4ff38aeb3bb6716e9eddfa53558b2b88ab8235c1a2c4d29d959fe3abdb6591b298f7161a0b5149a0c060318d3fa3f5
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Filesize
4.2MB
MD5e5ed53e808841eaa61cda1453ba1bb9c
SHA176759ba6b4cc525c40de7464d0464514ce997217
SHA256634f517c5ff3efa8859c46ffbabdd9bf2f7da55f179dffcc683535c6025b4a76
SHA5128a71f48d9731f49089ea923f48cf68517fa48e3601d9fd97ab48d12a3bdd39e0b08c43c5534bb7eb8913a4231a6646d2cc47cec979ab0a7f4abf438f77cdafc1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec