Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
07/06/2023, 20:20
Static task
static1
General
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Target
c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe
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Size
4.1MB
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MD5
8582528fe7537ae85fb0a57f410c055a
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SHA1
b44374dd8e04a0e9b545abac3818dc66bef149f1
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SHA256
c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445
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SHA512
6e25de5578bfde101c0b524a0ef6e670386c7b100a7d11d8a642d869df1b1aec9df93bc04ad54277b5c50a953e8bf5c74166acc35ec7b1616636cd674f46b9b5
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SSDEEP
98304:vV0kmJ+lypSNjdXPFOPJebab0px9wmc+n8YxrkbK2edAQcAI:lBUUNjSheOR48v+9dAMI
Malware Config
Signatures
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Glupteba payload 16 IoCs
resource yara_rule behavioral1/memory/3736-134-0x0000000004D30000-0x000000000561B000-memory.dmp family_glupteba behavioral1/memory/3736-153-0x0000000000400000-0x000000000294C000-memory.dmp family_glupteba behavioral1/memory/3736-189-0x0000000000400000-0x000000000294C000-memory.dmp family_glupteba behavioral1/memory/640-217-0x0000000000400000-0x000000000294C000-memory.dmp family_glupteba behavioral1/memory/640-265-0x0000000000400000-0x000000000294C000-memory.dmp family_glupteba behavioral1/memory/2520-320-0x0000000000400000-0x000000000294C000-memory.dmp family_glupteba behavioral1/memory/2520-354-0x0000000000400000-0x000000000294C000-memory.dmp family_glupteba behavioral1/memory/2520-364-0x0000000000400000-0x000000000294C000-memory.dmp family_glupteba behavioral1/memory/2520-367-0x0000000000400000-0x000000000294C000-memory.dmp family_glupteba behavioral1/memory/2520-370-0x0000000000400000-0x000000000294C000-memory.dmp family_glupteba behavioral1/memory/2520-373-0x0000000000400000-0x000000000294C000-memory.dmp family_glupteba behavioral1/memory/2520-376-0x0000000000400000-0x000000000294C000-memory.dmp family_glupteba behavioral1/memory/2520-379-0x0000000000400000-0x000000000294C000-memory.dmp family_glupteba behavioral1/memory/2520-382-0x0000000000400000-0x000000000294C000-memory.dmp family_glupteba behavioral1/memory/2520-387-0x0000000000400000-0x000000000294C000-memory.dmp family_glupteba behavioral1/memory/2520-393-0x0000000000400000-0x000000000294C000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 3456 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 2520 csrss.exe 1708 injector.exe 3336 windefender.exe 3408 windefender.exe 3444 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x000800000001e74d-358.dat upx behavioral1/files/0x000800000001e74d-359.dat upx behavioral1/memory/3336-360-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000800000001e74d-361.dat upx behavioral1/memory/3336-362-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3408-363-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3408-372-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3408-375-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000400000000072d-389.dat upx behavioral1/memory/3444-390-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/files/0x000400000000072d-391.dat upx behavioral1/memory/3408-392-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3444-395-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/3444-397-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe Set value (str) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe File created C:\Windows\rss\csrss.exe c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.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 64 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 180 schtasks.exe 4292 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\1e\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.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\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.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\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\Microsoft\SystemCertificates\CA\CTLs 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\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2452 powershell.exe 2452 powershell.exe 3736 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 3736 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 3452 powershell.exe 3452 powershell.exe 640 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 640 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 640 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 640 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 640 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 640 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 640 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 640 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 640 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 640 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 2732 powershell.exe 2732 powershell.exe 1996 powershell.exe 1996 powershell.exe 2304 powershell.exe 2304 powershell.exe 2084 powershell.exe 2084 powershell.exe 5116 powershell.exe 5116 powershell.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 2520 csrss.exe 2520 csrss.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 2520 csrss.exe 2520 csrss.exe 1708 injector.exe 1708 injector.exe 2520 csrss.exe 2520 csrss.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2452 powershell.exe Token: SeDebugPrivilege 3736 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe Token: SeImpersonatePrivilege 3736 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe Token: SeDebugPrivilege 3452 powershell.exe Token: SeDebugPrivilege 2732 powershell.exe Token: SeDebugPrivilege 1996 powershell.exe Token: SeDebugPrivilege 2304 powershell.exe Token: SeDebugPrivilege 2084 powershell.exe Token: SeDebugPrivilege 5116 powershell.exe Token: SeSystemEnvironmentPrivilege 2520 csrss.exe Token: SeSecurityPrivilege 64 sc.exe Token: SeSecurityPrivilege 64 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 3736 wrote to memory of 2452 3736 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 83 PID 3736 wrote to memory of 2452 3736 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 83 PID 3736 wrote to memory of 2452 3736 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 83 PID 640 wrote to memory of 3452 640 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 88 PID 640 wrote to memory of 3452 640 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 88 PID 640 wrote to memory of 3452 640 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 88 PID 640 wrote to memory of 2016 640 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 90 PID 640 wrote to memory of 2016 640 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 90 PID 2016 wrote to memory of 3456 2016 cmd.exe 92 PID 2016 wrote to memory of 3456 2016 cmd.exe 92 PID 640 wrote to memory of 2732 640 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 93 PID 640 wrote to memory of 2732 640 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 93 PID 640 wrote to memory of 2732 640 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 93 PID 640 wrote to memory of 1996 640 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 99 PID 640 wrote to memory of 1996 640 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 99 PID 640 wrote to memory of 1996 640 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 99 PID 640 wrote to memory of 2520 640 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 103 PID 640 wrote to memory of 2520 640 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 103 PID 640 wrote to memory of 2520 640 c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe 103 PID 2520 wrote to memory of 2304 2520 csrss.exe 104 PID 2520 wrote to memory of 2304 2520 csrss.exe 104 PID 2520 wrote to memory of 2304 2520 csrss.exe 104 PID 2520 wrote to memory of 2084 2520 csrss.exe 110 PID 2520 wrote to memory of 2084 2520 csrss.exe 110 PID 2520 wrote to memory of 2084 2520 csrss.exe 110 PID 2520 wrote to memory of 5116 2520 csrss.exe 112 PID 2520 wrote to memory of 5116 2520 csrss.exe 112 PID 2520 wrote to memory of 5116 2520 csrss.exe 112 PID 2520 wrote to memory of 1708 2520 csrss.exe 114 PID 2520 wrote to memory of 1708 2520 csrss.exe 114 PID 3336 wrote to memory of 4416 3336 windefender.exe 120 PID 3336 wrote to memory of 4416 3336 windefender.exe 120 PID 3336 wrote to memory of 4416 3336 windefender.exe 120 PID 4416 wrote to memory of 64 4416 cmd.exe 121 PID 4416 wrote to memory of 64 4416 cmd.exe 121 PID 4416 wrote to memory of 64 4416 cmd.exe 121 PID 2520 wrote to memory of 3444 2520 csrss.exe 124 PID 2520 wrote to memory of 3444 2520 csrss.exe 124 PID 2520 wrote to memory of 3444 2520 csrss.exe 124 -
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\c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe"C:\Users\Admin\AppData\Local\Temp\c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3736 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2452
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C:\Users\Admin\AppData\Local\Temp\c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.exe"C:\Users\Admin\AppData\Local\Temp\c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445.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:640 -
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:3452
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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:2016 -
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:3456
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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:2732
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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:1996
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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:2520 -
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:2304
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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:180
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2412
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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:2084
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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:5116
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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:1708
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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:4292
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3336 -
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:4416 -
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:64
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:3444 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:1788
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:3324
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3408
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD541d9639820c8ab3e38e1d823e6617b96
SHA1ab1ca002d29b44a9bb0e511e83d4cfdaa7bbc5ea
SHA256fac913b069f03220fda3a8c9ed5a826ccedb9d2ebd45fb03a8d02f1c8ae56937
SHA51241e387d16aa39379b45e64158ec6989b54b4a8e06f0e1bb012ab6e36f225861a005cd9f62b1911820a4f4f6710b256c312d757b46f6458e3a59c22ff522bed9b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d56ab6b9d8985d2bf3d9f9bb94f25bcd
SHA13c3ec25410a06eefb7344fcefca941dba42da9f1
SHA256a08accad3ff2c53c3f4b75d5105b6d2b254cd7c4aa62bb3f1f7d75f9342c1588
SHA5129f094f84c6fd8f3aa7f52ab2a5238b2325ba36173586924baf14e88c5c32c47c6130a6e0dce5671fcfef41a90ed3c6fb874af8e970b8d6e999292f660dd8d545
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51bc70b283c146e8e335a62ef8946fb75
SHA14e4f91e63b97a09c058db4d7573fcde7be632694
SHA256a91653e977b3fb728d2af586c927084344cffc734612eb47bda2c2048b2c4334
SHA5123c4bef6fc1b94290aafdae22aadc398823677bf06bee480d4df624468cb0fd2abf092653bb8253aa3d7431f23ea8d5fc54029d7983a864c1bcb1a3dc599c840d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50195f199a68ecc80af53340d774e3a8a
SHA128cf2f8d9862efef2c887030ad66212f3b7893f0
SHA2560abf22e5ac34f19166a98c48c3e04d34ee3089e6ba6d9903bf25869a514b8ba5
SHA512ad879d80182b01ed73fbb39e4c4717f64681a4323e6984d5d027d289c3c39aece2957ba8ccba6b5f3da2d0d2d522a815f55169155adf6f5d0077afe28a998d96
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD548a76b7cc1d3aa011e89ba5c707a7aa4
SHA1f53feeefa359175e6fd56b23a45f3138838f00d6
SHA256acc3f5a430c56e6cf3729797f122a9a09cd9b9413ddf300d1ca2c1e9d154974a
SHA512b12e86c7e13b1b09fc0725b0e913e905989cc719bac310647fba03905f6fe3b72eeb1015c41554086e7a6a66f183af96a48843c8fa3494772294a65d5902962b
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Filesize
4.1MB
MD58582528fe7537ae85fb0a57f410c055a
SHA1b44374dd8e04a0e9b545abac3818dc66bef149f1
SHA256c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445
SHA5126e25de5578bfde101c0b524a0ef6e670386c7b100a7d11d8a642d869df1b1aec9df93bc04ad54277b5c50a953e8bf5c74166acc35ec7b1616636cd674f46b9b5
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Filesize
4.1MB
MD58582528fe7537ae85fb0a57f410c055a
SHA1b44374dd8e04a0e9b545abac3818dc66bef149f1
SHA256c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445
SHA5126e25de5578bfde101c0b524a0ef6e670386c7b100a7d11d8a642d869df1b1aec9df93bc04ad54277b5c50a953e8bf5c74166acc35ec7b1616636cd674f46b9b5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec