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Analysis
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max time kernel
150s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
11/04/2024, 04:24
Static task
static1
Behavioral task
behavioral1
Sample
b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe
Resource
win10v2004-20240226-en
General
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Target
b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe
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Size
4.2MB
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MD5
17dfb131e90f734e1a4eb8cfe7a2d7af
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SHA1
6d0f9f79cf5bea489dca913a5ba57339a9af9735
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SHA256
b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b
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SHA512
3ca0095033ae604e28da15076964884c0bd9a59da84fd07d7e7d924cd22268352751ce6bb60b763547da368c1e1bbb24f4b916deee541896abd441cab8b7e6fa
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SSDEEP
98304:w5lPBaWBrbylaZCxbWq17tgxAPYITosQNEMg2S6aC8AEu:ejBrYYebWqlbosQ6t6aC1v
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4132-2-0x0000000002FA0000-0x000000000388B000-memory.dmp family_glupteba behavioral2/memory/4132-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4132-48-0x0000000002FA0000-0x000000000388B000-memory.dmp family_glupteba behavioral2/memory/4132-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4976-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4976-112-0x0000000002B30000-0x0000000002F31000-memory.dmp family_glupteba behavioral2/memory/4976-118-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4976-149-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4268-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4268-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4268-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4268-259-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4268-262-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4268-265-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4268-268-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4268-271-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4268-274-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4268-277-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2952 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4268 csrss.exe 656 injector.exe 4100 windefender.exe 3764 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a7b7-249.dat upx behavioral2/memory/4100-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3764-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3764-263-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe Set value (str) \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\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 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 File created 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 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe File created C:\Windows\rss\csrss.exe b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.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 2112 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 2572 schtasks.exe 3460 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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\22\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.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,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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\22\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1132 powershell.exe 1132 powershell.exe 4132 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 4132 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 2456 powershell.exe 2456 powershell.exe 4976 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 4976 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 4976 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 4976 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 4976 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 4976 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 4976 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 4976 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 4976 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 4976 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 3356 powershell.exe 3356 powershell.exe 2020 powershell.exe 2020 powershell.exe 3056 powershell.exe 3056 powershell.exe 2872 powershell.exe 2872 powershell.exe 2164 powershell.exe 2164 powershell.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 4268 csrss.exe 4268 csrss.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 4268 csrss.exe 4268 csrss.exe 656 injector.exe 656 injector.exe 4268 csrss.exe 4268 csrss.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1132 powershell.exe Token: SeDebugPrivilege 4132 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe Token: SeImpersonatePrivilege 4132 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe Token: SeDebugPrivilege 2456 powershell.exe Token: SeDebugPrivilege 3356 powershell.exe Token: SeDebugPrivilege 2020 powershell.exe Token: SeDebugPrivilege 3056 powershell.exe Token: SeDebugPrivilege 2872 powershell.exe Token: SeDebugPrivilege 2164 powershell.exe Token: SeSystemEnvironmentPrivilege 4268 csrss.exe Token: SeSecurityPrivilege 2112 sc.exe Token: SeSecurityPrivilege 2112 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4132 wrote to memory of 1132 4132 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 78 PID 4132 wrote to memory of 1132 4132 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 78 PID 4132 wrote to memory of 1132 4132 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 78 PID 4976 wrote to memory of 2456 4976 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 83 PID 4976 wrote to memory of 2456 4976 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 83 PID 4976 wrote to memory of 2456 4976 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 83 PID 4976 wrote to memory of 4748 4976 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 85 PID 4976 wrote to memory of 4748 4976 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 85 PID 4748 wrote to memory of 2952 4748 cmd.exe 87 PID 4748 wrote to memory of 2952 4748 cmd.exe 87 PID 4976 wrote to memory of 3356 4976 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 88 PID 4976 wrote to memory of 3356 4976 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 88 PID 4976 wrote to memory of 3356 4976 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 88 PID 4976 wrote to memory of 2020 4976 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 90 PID 4976 wrote to memory of 2020 4976 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 90 PID 4976 wrote to memory of 2020 4976 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 90 PID 4976 wrote to memory of 4268 4976 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 92 PID 4976 wrote to memory of 4268 4976 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 92 PID 4976 wrote to memory of 4268 4976 b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe 92 PID 4268 wrote to memory of 3056 4268 csrss.exe 93 PID 4268 wrote to memory of 3056 4268 csrss.exe 93 PID 4268 wrote to memory of 3056 4268 csrss.exe 93 PID 4268 wrote to memory of 2872 4268 csrss.exe 99 PID 4268 wrote to memory of 2872 4268 csrss.exe 99 PID 4268 wrote to memory of 2872 4268 csrss.exe 99 PID 4268 wrote to memory of 2164 4268 csrss.exe 101 PID 4268 wrote to memory of 2164 4268 csrss.exe 101 PID 4268 wrote to memory of 2164 4268 csrss.exe 101 PID 4268 wrote to memory of 656 4268 csrss.exe 103 PID 4268 wrote to memory of 656 4268 csrss.exe 103 PID 4100 wrote to memory of 2840 4100 windefender.exe 109 PID 4100 wrote to memory of 2840 4100 windefender.exe 109 PID 4100 wrote to memory of 2840 4100 windefender.exe 109 PID 2840 wrote to memory of 2112 2840 cmd.exe 110 PID 2840 wrote to memory of 2112 2840 cmd.exe 110 PID 2840 wrote to memory of 2112 2840 cmd.exe 110 -
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\b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe"C:\Users\Admin\AppData\Local\Temp\b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4132 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1132
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C:\Users\Admin\AppData\Local\Temp\b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.exe"C:\Users\Admin\AppData\Local\Temp\b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b.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:4976 -
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:2456
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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:4748 -
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:2952
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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:3356
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2020
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C:\Windows\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:4268 -
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:3056
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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:2572
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:484
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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:2872
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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:2164
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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:656
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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:3460
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4100 -
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:2840 -
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:2112
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3764
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
MD5cbe24e1ec45a3d56d3dd78ebff7a4c3f
SHA127c3bc7797c6049f6fad7537503d8fd7dae8a81f
SHA256de36481887412f2f59339dda9a614236ab5ce8dd228b611ad12e8285b8d727d4
SHA5123c6cfb9928a3988daaf60e62186a86aca2ce4e966bad2ee142947bd21f145baa9c86307314f0d41412d7d890100b2ecbe5b4581be94d92c7ff4b2f418bfacde0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD599f27058651f2578e4220365afd23fee
SHA120333fb67a00e2bc855a94ea190743a29b1debcb
SHA256ba51fd363c51db3967aa076e4ebad4c89c6b057fb08fa2317b9cdd1f671b455d
SHA51286cad6dc7a54558e30658246f5cba53b7cab52481a7b5efbd6c6fd9c086d509616dcac14ae53ac201636a5dddd4c2cab56274682616db9856914f176669fce02
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5db4a23008289cf89eb89d8c70b2f4503
SHA1ac44db7c5624fd5b81bc8328ae8fc4db9cc4c608
SHA256f346698c2030bf14a8877847df2294d9cc2fb2adc08730be85c39494481022ec
SHA512f15ac15c4bd65aa5fda8a671b77830cfe745e57636d718da405048fdbb1dafed2bc54665eac2b904fa60e97b5db3d7f8933091ec06d46284652d4785af744a8f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD516417842fbdd3f39589b79ad6e2db69b
SHA1e9eb10c39a70d97227d798e7455d9016744a1dad
SHA2565f355f7cf25040c1eaf3a6dc8ccba938042126a71d82d655e358401648f9432a
SHA512f9902ce5f3c6414cb39e580c683739fa3e0150981e605a7f0318222a00675b988f5cbaadf390338432ac7fbefbf6bf779f9e21c2f466ff03589b6a1ab99dba81
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f8c340de12755c8e74b8cd4cf3dc8956
SHA13e8a7a9507830ac98bcf792534d8461168f7f470
SHA256aeff6e2f714dcc36345c5c48aca08e8211b98b45d867e475363d47687edf2afa
SHA512007995822e833fc998a45a4c06bb2ac1dfdbe97867475f914432015bc5ee05a5657e97d88b75cc3b1b9740388dec841c6a70a7b832f9e83d8281734af3395f24
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Filesize
4.2MB
MD517dfb131e90f734e1a4eb8cfe7a2d7af
SHA16d0f9f79cf5bea489dca913a5ba57339a9af9735
SHA256b2e62f47af29f2b3044f5825fbca203aada985e07c93e6d58bf5816a316d7f7b
SHA5123ca0095033ae604e28da15076964884c0bd9a59da84fd07d7e7d924cd22268352751ce6bb60b763547da368c1e1bbb24f4b916deee541896abd441cab8b7e6fa
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec