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Analysis
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max time kernel
149s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
08/05/2024, 12:53
Static task
static1
Behavioral task
behavioral1
Sample
52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe
Resource
win10v2004-20240226-en
General
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Target
52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe
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Size
4.1MB
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MD5
014b2f2d82c0356a825d10afe67fdee6
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SHA1
ab469a5dba27b90e0b14b6fd57d49bd7fce3cbde
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SHA256
52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7
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SHA512
62e2d670e04ffa925b506c0a4d12bfb04d7cc892fc9333a500c246e9567e72b0411f2263839128d764b23500b2f12e8f6480252c5ceda8956ee360f6bddf5a77
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SSDEEP
98304:E5XFTlMyMZVAWF8SeH6tiBW2iadSy01pM0vGwbSOXmAlvl:UlM/Z/sBW2vMzM6G+VHvl
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3516-2-0x0000000003EF0000-0x00000000047DB000-memory.dmp family_glupteba behavioral2/memory/3516-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3516-73-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral2/memory/3516-99-0x0000000003EF0000-0x00000000047DB000-memory.dmp family_glupteba behavioral2/memory/3516-120-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4032-119-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral2/memory/4032-194-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral2/memory/2296-202-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral2/memory/2296-208-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral2/memory/2296-216-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral2/memory/2296-220-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral2/memory/2296-224-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral2/memory/2296-228-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral2/memory/2296-232-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral2/memory/2296-236-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral2/memory/2296-240-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral2/memory/2296-244-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral2/memory/2296-248-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba behavioral2/memory/2296-252-0x0000000000400000-0x0000000001DE6000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 784 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2296 csrss.exe 1256 injector.exe 4932 windefender.exe 4324 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab07-206.dat upx behavioral2/memory/4932-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4932-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4324-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4324-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4324-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-293923083-2364846840-4256557006-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe Set value (str) \REGISTRY\USER\S-1-5-21-293923083-2364846840-4256557006-1000\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 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe File created C:\Windows\rss\csrss.exe 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.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 4908 sc.exe -
pid Process 480 powershell.exe 328 powershell.exe 4728 powershell.exe 920 powershell.exe 3008 powershell.exe 3076 powershell.exe 2764 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4956 schtasks.exe 5012 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight 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" 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.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,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.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,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.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\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3076 powershell.exe 3076 powershell.exe 3516 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 3516 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 2764 powershell.exe 2764 powershell.exe 4032 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 4032 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 4032 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 4032 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 4032 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 4032 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 4032 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 4032 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 4032 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 4032 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 480 powershell.exe 480 powershell.exe 328 powershell.exe 328 powershell.exe 4728 powershell.exe 4728 powershell.exe 920 powershell.exe 920 powershell.exe 3008 powershell.exe 3008 powershell.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 2296 csrss.exe 2296 csrss.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 2296 csrss.exe 2296 csrss.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 2296 csrss.exe 2296 csrss.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe 1256 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3076 powershell.exe Token: SeDebugPrivilege 3516 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe Token: SeImpersonatePrivilege 3516 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe Token: SeDebugPrivilege 2764 powershell.exe Token: SeDebugPrivilege 480 powershell.exe Token: SeDebugPrivilege 328 powershell.exe Token: SeDebugPrivilege 4728 powershell.exe Token: SeDebugPrivilege 920 powershell.exe Token: SeDebugPrivilege 3008 powershell.exe Token: SeSystemEnvironmentPrivilege 2296 csrss.exe Token: SeSecurityPrivilege 4908 sc.exe Token: SeSecurityPrivilege 4908 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3516 wrote to memory of 3076 3516 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 81 PID 3516 wrote to memory of 3076 3516 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 81 PID 3516 wrote to memory of 3076 3516 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 81 PID 4032 wrote to memory of 2764 4032 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 86 PID 4032 wrote to memory of 2764 4032 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 86 PID 4032 wrote to memory of 2764 4032 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 86 PID 4032 wrote to memory of 3884 4032 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 88 PID 4032 wrote to memory of 3884 4032 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 88 PID 3884 wrote to memory of 784 3884 cmd.exe 90 PID 3884 wrote to memory of 784 3884 cmd.exe 90 PID 4032 wrote to memory of 480 4032 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 91 PID 4032 wrote to memory of 480 4032 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 91 PID 4032 wrote to memory of 480 4032 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 91 PID 4032 wrote to memory of 328 4032 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 93 PID 4032 wrote to memory of 328 4032 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 93 PID 4032 wrote to memory of 328 4032 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 93 PID 4032 wrote to memory of 2296 4032 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 95 PID 4032 wrote to memory of 2296 4032 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 95 PID 4032 wrote to memory of 2296 4032 52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe 95 PID 2296 wrote to memory of 4728 2296 csrss.exe 96 PID 2296 wrote to memory of 4728 2296 csrss.exe 96 PID 2296 wrote to memory of 4728 2296 csrss.exe 96 PID 2296 wrote to memory of 920 2296 csrss.exe 101 PID 2296 wrote to memory of 920 2296 csrss.exe 101 PID 2296 wrote to memory of 920 2296 csrss.exe 101 PID 2296 wrote to memory of 3008 2296 csrss.exe 104 PID 2296 wrote to memory of 3008 2296 csrss.exe 104 PID 2296 wrote to memory of 3008 2296 csrss.exe 104 PID 2296 wrote to memory of 1256 2296 csrss.exe 106 PID 2296 wrote to memory of 1256 2296 csrss.exe 106 PID 4932 wrote to memory of 1044 4932 windefender.exe 112 PID 4932 wrote to memory of 1044 4932 windefender.exe 112 PID 4932 wrote to memory of 1044 4932 windefender.exe 112 PID 1044 wrote to memory of 4908 1044 cmd.exe 113 PID 1044 wrote to memory of 4908 1044 cmd.exe 113 PID 1044 wrote to memory of 4908 1044 cmd.exe 113 -
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\52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe"C:\Users\Admin\AppData\Local\Temp\52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3516 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3076
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C:\Users\Admin\AppData\Local\Temp\52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.exe"C:\Users\Admin\AppData\Local\Temp\52f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7.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:4032 -
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:2764
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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:3884 -
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:784
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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:480
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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:328
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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:2296 -
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:4728
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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:4956
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4128
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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:920
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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:3008
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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:1256
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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:5012
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4932 -
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:1044 -
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:4908
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4324
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD503289dc69b68938b922c263e267575d1
SHA159a9d8e504689a3bfd6e45a141ee07a6ad66d468
SHA256de0026ed83ba04d29d31a84c86b2d995c8f5f1495fe4a3db11df3b22c75be227
SHA512964bb4e6b1258199b134f6b71a69e06021b2ad48a666f93f7dc5ad7ec440f3cbb9cc1ffb3ee8a04a2e0eb588e64725a12063227be34e62194837929706e32c82
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e22408560d13b399180af5e9257fa1f6
SHA1a14ec60c6bf44f744c3d1137d18eab16f4533446
SHA256a33a57783dbe50f7e3fcd3709faf828af49bf6bbb148dfc43c76e099f0684930
SHA512f06abd17628211ab69f06e85491837fd75decb40d61950f7ef81e51e5b4a412d888df94745aed4fa51d5c75168d1b21970d2c0d886f18640996ea8d6c7806658
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dfc7c48828ad1db43b3a3bfad4319f7a
SHA140be861be10cb13ee084fbbaf1ccea0116884693
SHA25691d56d91d8e699b0ec74ce6eccaa12d9abb885648fd7a988afc0e2d5399229cd
SHA5122a7b1ebe8c3c8bf48bfcdf756f57bb8efbad68a0cf3e8dc1325786573ae09ea3aa5401cfab8bab9ffbec2ab52b225fb396ef058ac69abcf66366b4c4ef9cb074
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a0ef98e38fc9ca018d4c55c066eefaa9
SHA10c23efdf26a3de752036458330870eacae2d37a3
SHA256521ec1d70aaf73caac0a1806955ad36294fc401a70ec34fafb0fc8b3d243e061
SHA512067d138209a066d992154e480c7188cf5b7df490e95a211e582ed63d34bc89e0413f94007f8f89d33f122490404dfba5327c974ce537ba0cc8cced2f2f757345
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d667e4d6ddfe280ba303ccbea015104c
SHA13db6a120a3ccb152ec5a8c1e87eb533908857764
SHA256abf28be6f22f14ac84a696767027e3064e64da3d9e575bfc50d0fbfd4da4ede5
SHA5125e7566837ad141703914d0435fa4f1091926d94c24c540682720ef10846beac2c9c9cc54b7b2130a5caeef7b2352976085cfbc2bed02697352200e103ed43399
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Filesize
4.1MB
MD5014b2f2d82c0356a825d10afe67fdee6
SHA1ab469a5dba27b90e0b14b6fd57d49bd7fce3cbde
SHA25652f474be8c7415fdb6d8f7a4908df3c169a137855687224dea07bf58c8b2abf7
SHA51262e2d670e04ffa925b506c0a4d12bfb04d7cc892fc9333a500c246e9567e72b0411f2263839128d764b23500b2f12e8f6480252c5ceda8956ee360f6bddf5a77
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec