Analysis
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max time kernel
150s -
max time network
166s -
platform
windows11-21h2_x64 -
resource
win11-20240319-en -
resource tags
arch:x64arch:x86image:win11-20240319-enlocale:en-usos:windows11-21h2-x64system -
submitted
25/03/2024, 13:47
Static task
static1
Behavioral task
behavioral1
Sample
00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe
Resource
win10v2004-20240226-en
General
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Target
00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe
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Size
4.2MB
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MD5
0ca3230e307d4c5bd41cdac18b4decf3
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SHA1
90757387b25027eb83cdde90c19789e728b63d4a
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SHA256
00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d
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SHA512
63eafe5e01f6f9cefeaa3f5dea516da145b4d4e31dc3941e7786edd68b0b96943692a32afcd8cade09e9d838b86202f4436aabd2c647f1c83b63dd4dff2534f4
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SSDEEP
98304:bExEs55xf8GHMBKiQKMrzknH+JPsK7X9VwrtuPW6MilW/VZe186:65LTMBKiPgz/xsKjwsW6rlW9N6
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/1592-2-0x00000000030A0000-0x000000000398B000-memory.dmp family_glupteba behavioral2/memory/1592-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1592-53-0x00000000030A0000-0x000000000398B000-memory.dmp family_glupteba behavioral2/memory/1592-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2288-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2288-110-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2288-127-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2288-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5788-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5788-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5788-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5788-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5788-262-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5788-266-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5788-269-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5788-273-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5788-277-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5788-281-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5788-285-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5788-289-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4368 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5788 csrss.exe 4272 injector.exe 3276 windefender.exe 2988 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a7ed-244.dat upx behavioral2/memory/3276-249-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2988-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2988-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2988-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1233663403-1277323514-675434005-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\S-1-5-21-1233663403-1277323514-675434005-1000\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 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe File created C:\Windows\rss\csrss.exe 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.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 332 sc.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 3744 schtasks.exe 4680 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\22\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.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\22\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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\22\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2648 powershell.exe 2648 powershell.exe 1592 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 1592 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 4976 powershell.exe 4976 powershell.exe 2288 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 2288 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 2288 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 2288 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 2288 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 2288 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 2288 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 2288 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 2288 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 2288 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 5672 powershell.exe 5672 powershell.exe 788 powershell.exe 788 powershell.exe 1360 powershell.exe 1360 powershell.exe 5020 powershell.exe 5020 powershell.exe 3664 powershell.exe 3664 powershell.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 5788 csrss.exe 5788 csrss.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 5788 csrss.exe 5788 csrss.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 5788 csrss.exe 5788 csrss.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2648 powershell.exe Token: SeDebugPrivilege 1592 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Token: SeImpersonatePrivilege 1592 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe Token: SeDebugPrivilege 4976 powershell.exe Token: SeDebugPrivilege 5672 powershell.exe Token: SeDebugPrivilege 788 powershell.exe Token: SeDebugPrivilege 1360 powershell.exe Token: SeDebugPrivilege 5020 powershell.exe Token: SeDebugPrivilege 3664 powershell.exe Token: SeSystemEnvironmentPrivilege 5788 csrss.exe Token: SeSecurityPrivilege 332 sc.exe Token: SeSecurityPrivilege 332 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1592 wrote to memory of 2648 1592 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 82 PID 1592 wrote to memory of 2648 1592 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 82 PID 1592 wrote to memory of 2648 1592 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 82 PID 2288 wrote to memory of 4976 2288 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 87 PID 2288 wrote to memory of 4976 2288 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 87 PID 2288 wrote to memory of 4976 2288 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 87 PID 2288 wrote to memory of 2372 2288 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 89 PID 2288 wrote to memory of 2372 2288 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 89 PID 2372 wrote to memory of 4368 2372 cmd.exe 91 PID 2372 wrote to memory of 4368 2372 cmd.exe 91 PID 2288 wrote to memory of 5672 2288 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 92 PID 2288 wrote to memory of 5672 2288 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 92 PID 2288 wrote to memory of 5672 2288 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 92 PID 2288 wrote to memory of 788 2288 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 94 PID 2288 wrote to memory of 788 2288 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 94 PID 2288 wrote to memory of 788 2288 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 94 PID 2288 wrote to memory of 5788 2288 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 96 PID 2288 wrote to memory of 5788 2288 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 96 PID 2288 wrote to memory of 5788 2288 00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe 96 PID 5788 wrote to memory of 1360 5788 csrss.exe 97 PID 5788 wrote to memory of 1360 5788 csrss.exe 97 PID 5788 wrote to memory of 1360 5788 csrss.exe 97 PID 5788 wrote to memory of 5020 5788 csrss.exe 103 PID 5788 wrote to memory of 5020 5788 csrss.exe 103 PID 5788 wrote to memory of 5020 5788 csrss.exe 103 PID 5788 wrote to memory of 3664 5788 csrss.exe 105 PID 5788 wrote to memory of 3664 5788 csrss.exe 105 PID 5788 wrote to memory of 3664 5788 csrss.exe 105 PID 5788 wrote to memory of 4272 5788 csrss.exe 107 PID 5788 wrote to memory of 4272 5788 csrss.exe 107 PID 3276 wrote to memory of 3616 3276 windefender.exe 113 PID 3276 wrote to memory of 3616 3276 windefender.exe 113 PID 3276 wrote to memory of 3616 3276 windefender.exe 113 PID 3616 wrote to memory of 332 3616 cmd.exe 114 PID 3616 wrote to memory of 332 3616 cmd.exe 114 PID 3616 wrote to memory of 332 3616 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\00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe"C:\Users\Admin\AppData\Local\Temp\00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1592 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2648
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C:\Users\Admin\AppData\Local\Temp\00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.exe"C:\Users\Admin\AppData\Local\Temp\00d21ce039abf1afc960d5e47e7b47c01c7666ce567c1657cf4158466ac6654d.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:2288 -
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:4976
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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:2372 -
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:4368
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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:5672
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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:788
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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:5788 -
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:1360
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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:3744
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3532
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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:5020
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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:3664
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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:4272
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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:4680
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3276 -
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:3616 -
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:332
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2988
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
MD538734af74ab9a17a3b60e94803bed02f
SHA1444df86e02d0569f783e70ea1a83566285aea245
SHA2562dcd687a16c3d58b93b8802bcdfdc42158aa6c94d7d4f4c84d54f738137bee0b
SHA5129ab4845c4e2d02c2850947887fbe908100c3925f85b4bbeb20230a420cca666d274bc7051b8243e3495a5081caa01055ed5731a511841ca50e9081869b727b0a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fca7beb2eddaa0e914ce0a9e305a4d25
SHA1af32d0b8afab3924b76fd2f20cf75ef43c431a25
SHA2569325a896584b0f2cc8fafe49d8b0363859e2e9677ce8b8c4237c925a02f34ea3
SHA5126fb401ec99985ce688db92d11d48a9e12801316d45fd0dc9234a0325fe5cbf1d80e2984fd32aabaec63a6fe1d3e6ec8c103178cd3d39a09f69521fdfdfc09189
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD521c8f9938402c59dabbd7dbd54e01b9d
SHA1c262a84f59d7a892218732cfaf32d419b3f3eed8
SHA25638ec06bb2821a605d915dd61981809168347998d86ccfc6db998616ae43a4bea
SHA5121c181ff20a245a7a36931d03922768c6e1adf4146d396437a7d01568bb0a40ed5254a63d2535e70252045222d158efaa2494e8977a150f831d8d141d73ed4817
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD516570e4cbd48ae571ac8615b4a8c67d9
SHA1412ec5d959aee7696c8b026c7520de9eadc951ac
SHA256015ef4f29e27f69098aaa9c9df151b93a0e8c33f6b14101e41482a6ae123e796
SHA512bbb5445f97434f5212ec190b067396499e588715a78d92c784241d4dc5be786d357435497d9888ca11a35073ade9ee24008adb41b7609948c2f63dc1ba496340
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55abac4cb247c5a9cc924751504d74635
SHA1d73ab742fbaf9f6b5e67551e73883c4631d5fe4d
SHA25690f9056fa2a608ed2db1cb04943edcd50a0af8da8be5b76bb0cefc7d697c30e9
SHA51242f5ddf441680c90368ae4afee386a22d44eb4153b0ee97e735765559e61d5eb851a8eb0fcb72780d2abee434bba98a92374d9505e15581021d7aac762093385
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Filesize
564KB
MD5c3dfccfd17cbacd4aa711c9992b526a5
SHA19d8e4412d1ec90c9f2cea7b58465c779338e31ec
SHA256452cde4be4a36f3428946bc421d1044f066a7369d5681380d0eeac5f055bb869
SHA51263eb6ec4de40800a4e4b3e02edcc8988a37dd333823f8ed7c7853657963a3cdfdd033a0e76a5a8bd8971afdf2144dda45834e8c075bfdf8daa92cf585e6e93df
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Filesize
503KB
MD50cba6b4dc1276b46ccd1787bcb048623
SHA1a195e1912a4168e4d4734aeab03d75aa976b5afa
SHA256caa52685b3431fb6796f0699fa7dd03bf1b7e00ab0f37ea5c1e0407131c8f8ca
SHA512675f0949943d87201415b27477b68d21cfc52df7b3954d3522ae241b696810b345526e295bf0441681715862682ea0b56a817de510932f946e0888a40a4e0955
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec