Analysis
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max time kernel
150s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 09:16
Static task
static1
Behavioral task
behavioral1
Sample
927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe
Resource
win10v2004-20240508-en
General
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Target
927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe
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Size
4.1MB
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MD5
dc50ff2d232e4edfb9016943fcd683c2
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SHA1
f193e3bcf59c3c5113e626f18b651e2f6623e59a
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SHA256
927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af
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SHA512
682d95622264f694d1a62873264d882307da1559ea9ae97ebb38dafb61a8d7670c0031a49698fb939a88c0af3f2264bd240f6510ada0c81bded8b118ffc1d6d1
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SSDEEP
98304:QvCQaDBnSWO/B+XxjapSyZlG1PnsYHdaWgIg92gsnC3bzMZh6P15:QvC3DFSWO/BjYGk1PnXHoWWZ1za6N5
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/1488-2-0x00000000045C0000-0x0000000004EAB000-memory.dmp family_glupteba behavioral1/memory/1488-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1488-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1488-54-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/1488-57-0x00000000045C0000-0x0000000004EAB000-memory.dmp family_glupteba behavioral1/memory/1960-134-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4764-219-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4764-229-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4764-230-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4764-232-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4764-235-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4764-237-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4764-238-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4764-240-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4764-243-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4764-245-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4764-246-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4764-248-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4764-251-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4948 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4764 csrss.exe 4452 injector.exe 2180 windefender.exe 4456 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0009000000023433-222.dat upx behavioral1/memory/2180-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4456-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2180-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4456-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4456-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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 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 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:
927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe -
Drops file in Windows directory 4 IoCs
Processes:
927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.execsrss.exedescription ioc Process File created C:\Windows\rss\csrss.exe 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.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 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 3900 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 388 powershell.exe 1864 powershell.exe 4212 powershell.exe 464 powershell.exe 2580 powershell.exe 3612 powershell.exe 4788 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 3528 schtasks.exe 2804 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exewindefender.exe927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.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,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.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,-51 = "Greenland Daylight 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\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.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,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exepowershell.exe927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 388 powershell.exe 388 powershell.exe 1488 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 1488 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 1864 powershell.exe 1864 powershell.exe 1960 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 1960 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 1960 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 1960 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 1960 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 1960 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 1960 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 1960 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 1960 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 1960 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 4212 powershell.exe 4212 powershell.exe 464 powershell.exe 464 powershell.exe 2580 powershell.exe 2580 powershell.exe 3612 powershell.exe 3612 powershell.exe 4788 powershell.exe 4788 powershell.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4764 csrss.exe 4764 csrss.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4764 csrss.exe 4764 csrss.exe 4452 injector.exe 4452 injector.exe 4764 csrss.exe 4764 csrss.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 388 powershell.exe Token: SeDebugPrivilege 1488 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe Token: SeImpersonatePrivilege 1488 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe Token: SeDebugPrivilege 1864 powershell.exe Token: SeDebugPrivilege 4212 powershell.exe Token: SeDebugPrivilege 464 powershell.exe Token: SeDebugPrivilege 2580 powershell.exe Token: SeDebugPrivilege 3612 powershell.exe Token: SeDebugPrivilege 4788 powershell.exe Token: SeSystemEnvironmentPrivilege 4764 csrss.exe Token: SeSecurityPrivilege 3900 sc.exe Token: SeSecurityPrivilege 3900 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1488 wrote to memory of 388 1488 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 84 PID 1488 wrote to memory of 388 1488 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 84 PID 1488 wrote to memory of 388 1488 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 84 PID 1960 wrote to memory of 1864 1960 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 96 PID 1960 wrote to memory of 1864 1960 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 96 PID 1960 wrote to memory of 1864 1960 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 96 PID 1960 wrote to memory of 1552 1960 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 100 PID 1960 wrote to memory of 1552 1960 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 100 PID 1552 wrote to memory of 4948 1552 cmd.exe 102 PID 1552 wrote to memory of 4948 1552 cmd.exe 102 PID 1960 wrote to memory of 4212 1960 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 103 PID 1960 wrote to memory of 4212 1960 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 103 PID 1960 wrote to memory of 4212 1960 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 103 PID 1960 wrote to memory of 464 1960 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 105 PID 1960 wrote to memory of 464 1960 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 105 PID 1960 wrote to memory of 464 1960 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 105 PID 1960 wrote to memory of 4764 1960 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 107 PID 1960 wrote to memory of 4764 1960 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 107 PID 1960 wrote to memory of 4764 1960 927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe 107 PID 4764 wrote to memory of 2580 4764 csrss.exe 108 PID 4764 wrote to memory of 2580 4764 csrss.exe 108 PID 4764 wrote to memory of 2580 4764 csrss.exe 108 PID 4764 wrote to memory of 3612 4764 csrss.exe 114 PID 4764 wrote to memory of 3612 4764 csrss.exe 114 PID 4764 wrote to memory of 3612 4764 csrss.exe 114 PID 4764 wrote to memory of 4788 4764 csrss.exe 116 PID 4764 wrote to memory of 4788 4764 csrss.exe 116 PID 4764 wrote to memory of 4788 4764 csrss.exe 116 PID 4764 wrote to memory of 4452 4764 csrss.exe 118 PID 4764 wrote to memory of 4452 4764 csrss.exe 118 PID 2180 wrote to memory of 3168 2180 windefender.exe 125 PID 2180 wrote to memory of 3168 2180 windefender.exe 125 PID 2180 wrote to memory of 3168 2180 windefender.exe 125 PID 3168 wrote to memory of 3900 3168 cmd.exe 126 PID 3168 wrote to memory of 3900 3168 cmd.exe 126 PID 3168 wrote to memory of 3900 3168 cmd.exe 126 -
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\927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe"C:\Users\Admin\AppData\Local\Temp\927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1488 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:388
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C:\Users\Admin\AppData\Local\Temp\927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.exe"C:\Users\Admin\AppData\Local\Temp\927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af.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:1960 -
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:1864
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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:1552 -
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:4948
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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:4212
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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:464
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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:4764 -
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:2580
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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:3528
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1412
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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:3612
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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:4788
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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:4452
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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:2804
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2180 -
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:3168 -
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:3900
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4456
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52c0124268c6b9505dc8347211fdb833e
SHA1c3e4713e7d12c421ed728439f1c13e2f2ef4d237
SHA2565fc83b553d29ea76af92ea0c29b2d120840da422b8348b2920e647fd08027097
SHA512fe12f84d53db4ca16a3cfd274317873bc732ea88fa46cec34923b5dbe1beab8c068781776f7b60683c06fca2573b6fdc649e5d8c7b5e8f4ea02c08ee11bae261
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5070556413160483622610414aa16cb61
SHA16cbd5dd74229d3309f3b3a17c5320856ab1e7494
SHA2567ff1d88ca9aedabb808071ad09c4eb6d2186025678c29f8a46a1566e0164606c
SHA512ef56a3f30d180509694c159d1e66b72964f101e4a42446055df09f4ce6a68b559c9f8e7caee34e51bee89872ebf395364a31a5d088951afd80776ba7b00b9ca7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5155793af8fc71527a99c5e24afa2024b
SHA11dfdf734ea420db07c532f57cf6ee1cf48a91fea
SHA25689c4572152afb1be54898a95fa5e4d80436af888f5d5c29b2a537d7b7e81ca0c
SHA5128ae7ff1b1fb005d0eef1b6e7d35fde80761745cb029f046409e304ce1e5d9d551b170a7c83556d56d704da88e3a23da88958ceea12c8a746bebec955a37f707f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5171f5b348b95ce098fe79b313d8a8395
SHA13892cb0b5b4fd6a9941abff23f1cccfe6638da9b
SHA256a8ea5a3dbb6e2e81e567748f3252f6ec3be98150f37f70b7905c5332792f971a
SHA51281a4ac7a8149cdb8f83c762369b40780e1435c15894121d0ec4f403795423febcf70821eed4939dd492e6d3fe4dd73d8bcf0ba5308f1a5493a96c6597bb11f44
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58138e9916c1de001ed1cd974b7cae327
SHA1a6c6da36b51553c77254933ce6a75d9db5bf2e4f
SHA256c850049d9d92b79f5bd0ad5b1daa494feb73d823825bca868765cee50cc19363
SHA5126ad63ae5f00adef848e2d1acbaa40805045a874801aafad5c4138de23743ad1cf901f9670606cd7ba3379514f746a676b9c9886cc615cce9195a01aa1b8cb623
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Filesize
4.1MB
MD5dc50ff2d232e4edfb9016943fcd683c2
SHA1f193e3bcf59c3c5113e626f18b651e2f6623e59a
SHA256927c2dcf05cdb8eda3993b45975520790e17dca895ca3e43f0730bca958362af
SHA512682d95622264f694d1a62873264d882307da1559ea9ae97ebb38dafb61a8d7670c0031a49698fb939a88c0af3f2264bd240f6510ada0c81bded8b118ffc1d6d1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec