Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 16:07
Static task
static1
Behavioral task
behavioral1
Sample
4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe
Resource
win10v2004-20240412-en
General
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Target
4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe
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Size
4.2MB
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MD5
1b0e1fead2550b1a2125e2844af57890
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SHA1
9b6c2b7b6dfebe1dc5826e2d888f2c12adff1a41
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SHA256
4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382
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SHA512
cf7b74f6d413fe4c83690d60f1bcfe44d22444e1a6af8158643dea93005934780be70766d103f5e8186620deac45e0caf4b65fdbe5c85caea0f28c0e27ef936b
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SSDEEP
98304:/oZCtMNcIJm/Wi5iI7vKblq/qDx6472PxO1xv/KiJek:/3OuIEug7vwUGt7S+nKK
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/4944-2-0x0000000004060000-0x000000000494B000-memory.dmp family_glupteba behavioral2/memory/4944-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4564-52-0x0000000003F20000-0x000000000480B000-memory.dmp family_glupteba behavioral2/memory/4564-53-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4944-54-0x0000000004060000-0x000000000494B000-memory.dmp family_glupteba behavioral2/memory/4944-80-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4564-190-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2280-243-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2280-254-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2280-258-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2280-262-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2280-266-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2280-270-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2280-274-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2280-278-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2280-282-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2280-286-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2280-290-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2280-294-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2280-298-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1528 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2280 csrss.exe 2876 injector.exe 1096 windefender.exe 112 windefender.exe -
resource yara_rule behavioral2/files/0x000100000002a9e5-247.dat upx behavioral2/memory/1096-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/112-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/112-264-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\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 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2808 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 3336 schtasks.exe 4220 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\26\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.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\26\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3576 powershell.exe 3576 powershell.exe 4944 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 4944 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 2664 powershell.exe 2664 powershell.exe 4564 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 4564 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 4564 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 4564 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 4564 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 4564 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 4564 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 4564 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 4564 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 4564 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 1684 powershell.exe 1684 powershell.exe 3396 powershell.exe 3396 powershell.exe 1912 powershell.exe 1912 powershell.exe 4860 powershell.exe 4860 powershell.exe 3752 powershell.exe 3752 powershell.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2280 csrss.exe 2280 csrss.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2280 csrss.exe 2280 csrss.exe 2876 injector.exe 2876 injector.exe 2280 csrss.exe 2280 csrss.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe 2876 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3576 powershell.exe Token: SeDebugPrivilege 4944 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe Token: SeImpersonatePrivilege 4944 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe Token: SeDebugPrivilege 2664 powershell.exe Token: SeDebugPrivilege 1684 powershell.exe Token: SeDebugPrivilege 3396 powershell.exe Token: SeDebugPrivilege 1912 powershell.exe Token: SeDebugPrivilege 4860 powershell.exe Token: SeDebugPrivilege 3752 powershell.exe Token: SeSystemEnvironmentPrivilege 2280 csrss.exe Token: SeSecurityPrivilege 2808 sc.exe Token: SeSecurityPrivilege 2808 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4944 wrote to memory of 3576 4944 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 80 PID 4944 wrote to memory of 3576 4944 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 80 PID 4944 wrote to memory of 3576 4944 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 80 PID 4564 wrote to memory of 2664 4564 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 86 PID 4564 wrote to memory of 2664 4564 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 86 PID 4564 wrote to memory of 2664 4564 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 86 PID 4564 wrote to memory of 3204 4564 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 88 PID 4564 wrote to memory of 3204 4564 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 88 PID 3204 wrote to memory of 1528 3204 cmd.exe 90 PID 3204 wrote to memory of 1528 3204 cmd.exe 90 PID 4564 wrote to memory of 1684 4564 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 91 PID 4564 wrote to memory of 1684 4564 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 91 PID 4564 wrote to memory of 1684 4564 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 91 PID 4564 wrote to memory of 3396 4564 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 93 PID 4564 wrote to memory of 3396 4564 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 93 PID 4564 wrote to memory of 3396 4564 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 93 PID 4564 wrote to memory of 2280 4564 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 95 PID 4564 wrote to memory of 2280 4564 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 95 PID 4564 wrote to memory of 2280 4564 4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe 95 PID 2280 wrote to memory of 1912 2280 csrss.exe 96 PID 2280 wrote to memory of 1912 2280 csrss.exe 96 PID 2280 wrote to memory of 1912 2280 csrss.exe 96 PID 2280 wrote to memory of 4860 2280 csrss.exe 102 PID 2280 wrote to memory of 4860 2280 csrss.exe 102 PID 2280 wrote to memory of 4860 2280 csrss.exe 102 PID 2280 wrote to memory of 3752 2280 csrss.exe 104 PID 2280 wrote to memory of 3752 2280 csrss.exe 104 PID 2280 wrote to memory of 3752 2280 csrss.exe 104 PID 2280 wrote to memory of 2876 2280 csrss.exe 106 PID 2280 wrote to memory of 2876 2280 csrss.exe 106 PID 1096 wrote to memory of 2128 1096 windefender.exe 112 PID 1096 wrote to memory of 2128 1096 windefender.exe 112 PID 1096 wrote to memory of 2128 1096 windefender.exe 112 PID 2128 wrote to memory of 2808 2128 cmd.exe 113 PID 2128 wrote to memory of 2808 2128 cmd.exe 113 PID 2128 wrote to memory of 2808 2128 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\4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe"C:\Users\Admin\AppData\Local\Temp\4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4944 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3576
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C:\Users\Admin\AppData\Local\Temp\4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.exe"C:\Users\Admin\AppData\Local\Temp\4c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382.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:4564 -
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:2664
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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:3204 -
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:1528
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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:1684
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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:3396
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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:2280 -
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:1912
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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:4220
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4960
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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:4860
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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:3752
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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:2876
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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:3336
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1096 -
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:2128 -
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:2808
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:112
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
MD5eec24366eb70e53a942d02e516648a5b
SHA1a12bc712098e7af5957b7784d6ff9172008f2526
SHA25693bd518afc0a491931e9b64a4bad912e52c0136ec6d323d7bda258d692993453
SHA51296f9725cc7180725be70eab186396bbb4af0c8d2ca99f2dcfc17059d6f388b887f6d9c8f549ad6a7c4589eccaf8a2d03c8a08540559232ff077c44eef4c4d0d1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fb3a23ce35e4f7b7252da96ce9d07e7f
SHA1b9383ba2b48dc2cb7b4bd04292ef23daf3b62775
SHA256698b815a3b05c786918dd335149f2dc4e9c2509f55007182e999cda22cdd2791
SHA5123fc3bf90180c3827935facda5f493f4aa80fc233c7b2732d1f0bb1b8d2d702715c4f377669d42a8e8bfaf2776964fa7a70e64aac2d4aaabc2a4a45a786102bac
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD521573331c86ceb133357abeab3b8230a
SHA16bc71cf9db0add31208f0b4dcbcffeb6cc1d325f
SHA25623f6cc96a870ef7f66ededa9761d05d369045049fc386bde7caae16a70bc0da5
SHA5128b4af5905c2a1a10988cbc0f481cd2d44b80dcf661ae886fe4b0ccacab430c0a149a593a8dea9f423f70f4ec2ff55022b562b19738ec7bfb498cd257759b19d3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50ed08ef0239bcce5cf38f64338d085f0
SHA1dd1888027627fda88e332f5dc5576134d2ac0480
SHA256149af1381c17bf84d111a2e7ea4d7beffba1b5c22fee89c27edc783f3b4a764d
SHA512e192c2a31961bf0151f21d27314b031b5cef402e75062e024ffa1596c739015ff6f083833adac698867cff10ded9ddcb1177289bdddc7b536cc9c6a453a6b745
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD517b0c779b0a3bd2f07554fdb00496524
SHA18a99511598b6bdfffd461576fb40e2a76fa755ab
SHA256c968ee7b3d386785099e042693cc9021f828b0690a2e183edfeffa837282c130
SHA512cfb6a43a621044ce34bd43e82080ea05cba2f860c2e3601e1e1114225ae0fac27fb07e4edb438dead3916b333fbba1a5399df97cc382b5be77db1a0935171e8f
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Filesize
4.2MB
MD51b0e1fead2550b1a2125e2844af57890
SHA19b6c2b7b6dfebe1dc5826e2d888f2c12adff1a41
SHA2564c89c262952147ca6e12f8c27d20c070cc39da2c063046203d66240e8b95b382
SHA512cf7b74f6d413fe4c83690d60f1bcfe44d22444e1a6af8158643dea93005934780be70766d103f5e8186620deac45e0caf4b65fdbe5c85caea0f28c0e27ef936b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec