Analysis
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max time kernel
149s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
08-06-2023 14:11
Static task
static1
General
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Target
5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe
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Size
4.2MB
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MD5
89a204603f032d228d7d1cb410c6d3bf
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SHA1
530a2824ad2f04d66f49da60eab023f2d95b5430
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SHA256
5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37
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SHA512
d56626e253344b63c9308bc03c2fa3a4ec985c3258d2e1aeb36d5f65d6c27c4961ebfef0d2b4e906876557a323ee1ac280892550db78c6750cb8df533d9c76fd
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SSDEEP
98304:j2u/qwDd6KqJAT06/j/ZUiDsee1EdwFYJ1Rq2LD:f/qwDjrTv1Rsee19ORlf
Malware Config
Signatures
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Glupteba payload 16 IoCs
Processes:
resource yara_rule behavioral1/memory/1440-134-0x00000000051E0000-0x0000000005ACB000-memory.dmp family_glupteba behavioral1/memory/1440-172-0x0000000000400000-0x00000000030DE000-memory.dmp family_glupteba behavioral1/memory/1440-205-0x0000000000400000-0x00000000030DE000-memory.dmp family_glupteba behavioral1/memory/4332-220-0x0000000000400000-0x00000000030DE000-memory.dmp family_glupteba behavioral1/memory/4332-268-0x0000000000400000-0x00000000030DE000-memory.dmp family_glupteba behavioral1/memory/3884-321-0x0000000000400000-0x00000000030DE000-memory.dmp family_glupteba behavioral1/memory/3884-354-0x0000000000400000-0x00000000030DE000-memory.dmp family_glupteba behavioral1/memory/3884-356-0x0000000000400000-0x00000000030DE000-memory.dmp family_glupteba behavioral1/memory/3884-358-0x0000000000400000-0x00000000030DE000-memory.dmp family_glupteba behavioral1/memory/3884-360-0x0000000000400000-0x00000000030DE000-memory.dmp family_glupteba behavioral1/memory/3884-362-0x0000000000400000-0x00000000030DE000-memory.dmp family_glupteba behavioral1/memory/3884-364-0x0000000000400000-0x00000000030DE000-memory.dmp family_glupteba behavioral1/memory/3884-366-0x0000000000400000-0x00000000030DE000-memory.dmp family_glupteba behavioral1/memory/3884-368-0x0000000000400000-0x00000000030DE000-memory.dmp family_glupteba behavioral1/memory/3884-370-0x0000000000400000-0x00000000030DE000-memory.dmp family_glupteba behavioral1/memory/3884-372-0x0000000000400000-0x00000000030DE000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Executes dropped EXE 2 IoCs
Processes:
csrss.exeinjector.exepid process 3884 csrss.exe 4484 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Set value (str) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process File 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 File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe -
Drops file in Windows directory 2 IoCs
Processes:
5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exedescription ioc process File created C:\Windows\rss\csrss.exe 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe File opened for modification C:\Windows\rss 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 3380 schtasks.exe 5080 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exe5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process 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\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.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\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exepowershell.exe5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 3396 powershell.exe 3396 powershell.exe 1440 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe 1440 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe 1956 powershell.exe 1956 powershell.exe 4332 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe 4332 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe 4332 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe 4332 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe 4332 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe 4332 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe 4332 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe 4332 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe 4332 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe 4332 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe 60 powershell.exe 60 powershell.exe 4508 powershell.exe 4508 powershell.exe 3640 powershell.exe 3640 powershell.exe 3020 powershell.exe 3020 powershell.exe 3544 powershell.exe 3544 powershell.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 3884 csrss.exe 3884 csrss.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 3884 csrss.exe 3884 csrss.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe 4484 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
Processes:
powershell.exe5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exedescription pid process Token: SeDebugPrivilege 3396 powershell.exe Token: SeDebugPrivilege 1440 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Token: SeImpersonatePrivilege 1440 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe Token: SeDebugPrivilege 1956 powershell.exe Token: SeDebugPrivilege 60 powershell.exe Token: SeDebugPrivilege 4508 powershell.exe Token: SeDebugPrivilege 3640 powershell.exe Token: SeDebugPrivilege 3020 powershell.exe Token: SeDebugPrivilege 3544 powershell.exe Token: SeSystemEnvironmentPrivilege 3884 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.execmd.execsrss.exedescription pid process target process PID 1440 wrote to memory of 3396 1440 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe powershell.exe PID 1440 wrote to memory of 3396 1440 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe powershell.exe PID 1440 wrote to memory of 3396 1440 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe powershell.exe PID 4332 wrote to memory of 1956 4332 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe powershell.exe PID 4332 wrote to memory of 1956 4332 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe powershell.exe PID 4332 wrote to memory of 1956 4332 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe powershell.exe PID 4332 wrote to memory of 4868 4332 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe cmd.exe PID 4332 wrote to memory of 4868 4332 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe cmd.exe PID 4868 wrote to memory of 3424 4868 cmd.exe netsh.exe PID 4868 wrote to memory of 3424 4868 cmd.exe netsh.exe PID 4332 wrote to memory of 60 4332 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe powershell.exe PID 4332 wrote to memory of 60 4332 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe powershell.exe PID 4332 wrote to memory of 60 4332 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe powershell.exe PID 4332 wrote to memory of 4508 4332 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe powershell.exe PID 4332 wrote to memory of 4508 4332 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe powershell.exe PID 4332 wrote to memory of 4508 4332 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe powershell.exe PID 4332 wrote to memory of 3884 4332 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe csrss.exe PID 4332 wrote to memory of 3884 4332 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe csrss.exe PID 4332 wrote to memory of 3884 4332 5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe csrss.exe PID 3884 wrote to memory of 3640 3884 csrss.exe powershell.exe PID 3884 wrote to memory of 3640 3884 csrss.exe powershell.exe PID 3884 wrote to memory of 3640 3884 csrss.exe powershell.exe PID 3884 wrote to memory of 3020 3884 csrss.exe powershell.exe PID 3884 wrote to memory of 3020 3884 csrss.exe powershell.exe PID 3884 wrote to memory of 3020 3884 csrss.exe powershell.exe PID 3884 wrote to memory of 3544 3884 csrss.exe powershell.exe PID 3884 wrote to memory of 3544 3884 csrss.exe powershell.exe PID 3884 wrote to memory of 3544 3884 csrss.exe powershell.exe PID 3884 wrote to memory of 4484 3884 csrss.exe injector.exe PID 3884 wrote to memory of 4484 3884 csrss.exe injector.exe -
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\5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe"C:\Users\Admin\AppData\Local\Temp\5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.exe"C:\Users\Admin\AppData\Local\Temp\5651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37.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
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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
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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
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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
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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
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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
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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.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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
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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)
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵
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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
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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
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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
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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)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_z4uubyth.dux.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeFilesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeFilesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.logFilesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-InteractiveFilesize
19KB
MD5bb2e98b5b8ec9d4bd4c48a2121167a7d
SHA1bd3e0ec2b56336fd760fd526e2dd41f5e7a2647d
SHA2566c2f22253187e0f465822ffdd8b7975e0b622d3e54e4bc5835428cd5de3d7c9f
SHA51250970a88fd8e2854086e27bc0781c0f56a519c36bc558935885f5a69f0570e7774db6e7eedcc92aeb414a8eed3547e47949dbe50e9725bd9aeadfc827de3013b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-InteractiveFilesize
19KB
MD58a1e73d0d1465a2499b7bfc598b3110a
SHA100a78ad899e819c02cf4e597b3472f11f5ef9b1e
SHA2560f7a84cbb5e6c9d5d5aaab1924cc048171d9e3904ecb573c15a308f76b7f3274
SHA512d9a779900c6bc4ae284f170dacc97499ee3e35a1bb349e0cd7b0ce92939acbd3236ebf99c37706f89b508bf1b6b90ab8422912b6471114a3debbe3754b73977c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-InteractiveFilesize
19KB
MD5a3b511e685ce8dec25774072449ecb40
SHA1df2a50f54312b4d8a5e5fd4caa0ed24ea442c444
SHA256e7e7a9d854c5d3a668d9763f331e949b73fa0e3f8f33faa6b1f1a0207d32d8d8
SHA5125595a7db0085a0ddb1162964392bd996b8f9bebdf08b596ad01c41ddbfd6d8b8cdce99d1fc4386a5ecc049cd63dd0451db1ba38bd14eaed1dd6014a497eaaa29
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-InteractiveFilesize
19KB
MD57fa9aa562b9212f1bcd4e40ed8da4148
SHA1659281227a9c3e30fc871c4ca800ad52e0968aae
SHA256236e2b2018082663abd1670f816f7675b14d8e5f39bf3daa00d5266994e12a1b
SHA51278acd588fc814130a9868c0fc0b4b0cb731447a521d1c12e2bd8dc7abc03a0b4bdf81133ca7937b92580d5fb9292d645b314c05998f3100930ad5a3fef92d249
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-InteractiveFilesize
19KB
MD5aede102fe89fc3ebe6fb63d09f439391
SHA16540e8bd8240a150a5994527be6fa0921bbb57a2
SHA2564838528e1854e450e478ddfee055d56a694e7505e808c6cf9a52ffec8e888c32
SHA512e77443f2f1a145b1844e70eeb3cb815b37b23c3bcb3fa649ce4be1f00f90de3d0651c4bdc8f491939c27bb57fa6bbabdc98daec6e9531865c939fe3213ee8b3f
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C:\Windows\rss\csrss.exeFilesize
4.2MB
MD589a204603f032d228d7d1cb410c6d3bf
SHA1530a2824ad2f04d66f49da60eab023f2d95b5430
SHA2565651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37
SHA512d56626e253344b63c9308bc03c2fa3a4ec985c3258d2e1aeb36d5f65d6c27c4961ebfef0d2b4e906876557a323ee1ac280892550db78c6750cb8df533d9c76fd
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C:\Windows\rss\csrss.exeFilesize
4.2MB
MD589a204603f032d228d7d1cb410c6d3bf
SHA1530a2824ad2f04d66f49da60eab023f2d95b5430
SHA2565651db912c4ed6753de747f923098ef5cf885b824eef0b9185325bc669e53a37
SHA512d56626e253344b63c9308bc03c2fa3a4ec985c3258d2e1aeb36d5f65d6c27c4961ebfef0d2b4e906876557a323ee1ac280892550db78c6750cb8df533d9c76fd
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memory/60-221-0x0000000003010000-0x0000000003020000-memory.dmpFilesize
64KB
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memory/60-225-0x0000000071430000-0x0000000071784000-memory.dmpFilesize
3.3MB
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memory/60-224-0x0000000070CB0000-0x0000000070CFC000-memory.dmpFilesize
304KB
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memory/60-223-0x0000000003010000-0x0000000003020000-memory.dmpFilesize
64KB
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memory/60-235-0x000000007F370000-0x000000007F380000-memory.dmpFilesize
64KB
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memory/60-222-0x0000000003010000-0x0000000003020000-memory.dmpFilesize
64KB
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memory/1440-172-0x0000000000400000-0x00000000030DE000-memory.dmpFilesize
44.9MB
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memory/1440-205-0x0000000000400000-0x00000000030DE000-memory.dmpFilesize
44.9MB
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memory/1440-134-0x00000000051E0000-0x0000000005ACB000-memory.dmpFilesize
8.9MB
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memory/1956-191-0x0000000005010000-0x0000000005020000-memory.dmpFilesize
64KB
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memory/1956-206-0x000000007FA20000-0x000000007FA30000-memory.dmpFilesize
64KB
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memory/1956-195-0x0000000071430000-0x0000000071784000-memory.dmpFilesize
3.3MB
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memory/1956-194-0x0000000070CB0000-0x0000000070CFC000-memory.dmpFilesize
304KB
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memory/1956-193-0x0000000005010000-0x0000000005020000-memory.dmpFilesize
64KB
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memory/1956-192-0x0000000005010000-0x0000000005020000-memory.dmpFilesize
64KB
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memory/3020-308-0x0000000002B70000-0x0000000002B80000-memory.dmpFilesize
64KB
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memory/3020-311-0x0000000070FE0000-0x0000000071334000-memory.dmpFilesize
3.3MB
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memory/3020-307-0x0000000002B70000-0x0000000002B80000-memory.dmpFilesize
64KB
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memory/3020-309-0x000000007FCC0000-0x000000007FCD0000-memory.dmpFilesize
64KB
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memory/3020-310-0x0000000070BD0000-0x0000000070C1C000-memory.dmpFilesize
304KB
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memory/3396-170-0x0000000007430000-0x000000000743A000-memory.dmpFilesize
40KB
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memory/3396-136-0x0000000004EB0000-0x00000000054D8000-memory.dmpFilesize
6.2MB
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memory/3396-171-0x0000000007500000-0x0000000007596000-memory.dmpFilesize
600KB
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memory/3396-139-0x0000000004E20000-0x0000000004E42000-memory.dmpFilesize
136KB
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memory/3396-169-0x00000000072E0000-0x00000000072FE000-memory.dmpFilesize
120KB
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memory/3396-159-0x0000000070E30000-0x0000000071184000-memory.dmpFilesize
3.3MB
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memory/3396-135-0x0000000004730000-0x0000000004766000-memory.dmpFilesize
216KB
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memory/3396-158-0x0000000070CB0000-0x0000000070CFC000-memory.dmpFilesize
304KB
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memory/3396-157-0x0000000007320000-0x0000000007352000-memory.dmpFilesize
200KB
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memory/3396-156-0x0000000007150000-0x000000000716A000-memory.dmpFilesize
104KB
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memory/3396-155-0x0000000004870000-0x0000000004880000-memory.dmpFilesize
64KB
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memory/3396-154-0x00000000077B0000-0x0000000007E2A000-memory.dmpFilesize
6.5MB
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memory/3396-153-0x00000000070B0000-0x0000000007126000-memory.dmpFilesize
472KB
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memory/3396-173-0x000000007F270000-0x000000007F280000-memory.dmpFilesize
64KB
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memory/3396-178-0x00000000074F0000-0x00000000074F8000-memory.dmpFilesize
32KB
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memory/3396-152-0x0000000006F00000-0x0000000006F44000-memory.dmpFilesize
272KB
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memory/3396-137-0x0000000004870000-0x0000000004880000-memory.dmpFilesize
64KB
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memory/3396-174-0x00000000074B0000-0x00000000074BE000-memory.dmpFilesize
56KB
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memory/3396-175-0x00000000075A0000-0x00000000075BA000-memory.dmpFilesize
104KB
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memory/3396-176-0x0000000004870000-0x0000000004880000-memory.dmpFilesize
64KB
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memory/3396-151-0x0000000005DA0000-0x0000000005DBE000-memory.dmpFilesize
120KB
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memory/3396-141-0x00000000055C0000-0x0000000005626000-memory.dmpFilesize
408KB
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memory/3396-138-0x0000000004870000-0x0000000004880000-memory.dmpFilesize
64KB
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memory/3396-140-0x0000000005550000-0x00000000055B6000-memory.dmpFilesize
408KB
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memory/3396-177-0x0000000004870000-0x0000000004880000-memory.dmpFilesize
64KB
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memory/3544-333-0x00000000047A0000-0x00000000047B0000-memory.dmpFilesize
64KB
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memory/3544-334-0x00000000047A0000-0x00000000047B0000-memory.dmpFilesize
64KB
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memory/3544-347-0x000000007FAD0000-0x000000007FAE0000-memory.dmpFilesize
64KB
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memory/3544-336-0x0000000071380000-0x00000000716D4000-memory.dmpFilesize
3.3MB
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memory/3544-335-0x0000000070BD0000-0x0000000070C1C000-memory.dmpFilesize
304KB
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memory/3640-283-0x0000000070E30000-0x0000000071184000-memory.dmpFilesize
3.3MB
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memory/3640-293-0x0000000000EC0000-0x0000000000ED0000-memory.dmpFilesize
64KB
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memory/3640-294-0x000000007F000000-0x000000007F010000-memory.dmpFilesize
64KB
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memory/3640-281-0x0000000000EC0000-0x0000000000ED0000-memory.dmpFilesize
64KB
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memory/3640-280-0x0000000000EC0000-0x0000000000ED0000-memory.dmpFilesize
64KB
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memory/3640-282-0x0000000070CB0000-0x0000000070CFC000-memory.dmpFilesize
304KB
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memory/3884-358-0x0000000000400000-0x00000000030DE000-memory.dmpFilesize
44.9MB
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memory/3884-362-0x0000000000400000-0x00000000030DE000-memory.dmpFilesize
44.9MB
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memory/3884-372-0x0000000000400000-0x00000000030DE000-memory.dmpFilesize
44.9MB
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memory/3884-321-0x0000000000400000-0x00000000030DE000-memory.dmpFilesize
44.9MB
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memory/3884-370-0x0000000000400000-0x00000000030DE000-memory.dmpFilesize
44.9MB
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memory/3884-368-0x0000000000400000-0x00000000030DE000-memory.dmpFilesize
44.9MB
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memory/3884-366-0x0000000000400000-0x00000000030DE000-memory.dmpFilesize
44.9MB
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memory/3884-364-0x0000000000400000-0x00000000030DE000-memory.dmpFilesize
44.9MB
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memory/3884-360-0x0000000000400000-0x00000000030DE000-memory.dmpFilesize
44.9MB
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memory/3884-354-0x0000000000400000-0x00000000030DE000-memory.dmpFilesize
44.9MB
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memory/3884-356-0x0000000000400000-0x00000000030DE000-memory.dmpFilesize
44.9MB
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memory/4332-268-0x0000000000400000-0x00000000030DE000-memory.dmpFilesize
44.9MB
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memory/4332-220-0x0000000000400000-0x00000000030DE000-memory.dmpFilesize
44.9MB
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memory/4508-250-0x0000000005210000-0x0000000005220000-memory.dmpFilesize
64KB
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memory/4508-238-0x0000000005210000-0x0000000005220000-memory.dmpFilesize
64KB
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memory/4508-262-0x000000007F3B0000-0x000000007F3C0000-memory.dmpFilesize
64KB
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memory/4508-252-0x0000000071430000-0x0000000071784000-memory.dmpFilesize
3.3MB
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memory/4508-251-0x0000000070CB0000-0x0000000070CFC000-memory.dmpFilesize
304KB
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memory/4508-239-0x0000000005210000-0x0000000005220000-memory.dmpFilesize
64KB