Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20250313-en -
resource tags
arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system -
submitted
23/03/2025, 02:39
Behavioral task
behavioral1
Sample
65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe
Resource
win10v2004-20250313-en
General
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Target
65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe
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Size
9.1MB
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MD5
afac5e4b4d8cb6f10353da7e8fa83fa1
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SHA1
ca92e8ab80c94ad5ad4530863adbb1e494bc817f
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SHA256
65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078
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SHA512
91540b869195273fb82eb2a3f9b66d3eb868448c2db50e7c453ad6bb77c4293934fe1a05dd1850853a5e357bb49a7dd5b213ccb92718a2009cdda775e2de5535
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SSDEEP
98304:GHxMZDJ1TRpxYVX9u2IazANfAhZytTD5iqk4:sxEvYjVzANIhwNP
Malware Config
Signatures
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Glupteba family
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Glupteba payload 1 IoCs
resource yara_rule behavioral2/files/0x000a0000000241af-128.dat family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3584 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 3892 csrss.exe 1988 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Set value (str) \REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\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 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe File opened for modification C:\Windows\rss 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe -
pid Process 5644 powershell.exe 2988 powershell.exe 4912 powershell.exe 3380 powershell.exe 3564 powershell.exe 3692 powershell.exe 5412 powershell.exe -
Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 10 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrss.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.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\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\CA\Certificates 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\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3896 schtasks.exe 1600 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2988 powershell.exe 2988 powershell.exe 2224 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 2224 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 4912 powershell.exe 4912 powershell.exe 4956 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 4956 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 4956 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 4956 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 4956 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 4956 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 4956 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 4956 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 4956 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 4956 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 3380 powershell.exe 3380 powershell.exe 3564 powershell.exe 3564 powershell.exe 3692 powershell.exe 3692 powershell.exe 3692 powershell.exe 5412 powershell.exe 5412 powershell.exe 5644 powershell.exe 5644 powershell.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe 3892 csrss.exe 3892 csrss.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe 3892 csrss.exe 3892 csrss.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe 1988 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 2988 powershell.exe Token: SeDebugPrivilege 2224 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Token: SeImpersonatePrivilege 2224 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe Token: SeDebugPrivilege 4912 powershell.exe Token: SeDebugPrivilege 3380 powershell.exe Token: SeDebugPrivilege 3564 powershell.exe Token: SeDebugPrivilege 3692 powershell.exe Token: SeDebugPrivilege 5412 powershell.exe Token: SeDebugPrivilege 5644 powershell.exe Token: SeSystemEnvironmentPrivilege 3892 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2224 wrote to memory of 2988 2224 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 90 PID 2224 wrote to memory of 2988 2224 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 90 PID 2224 wrote to memory of 2988 2224 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 90 PID 4956 wrote to memory of 4912 4956 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 98 PID 4956 wrote to memory of 4912 4956 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 98 PID 4956 wrote to memory of 4912 4956 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 98 PID 4956 wrote to memory of 5808 4956 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 103 PID 4956 wrote to memory of 5808 4956 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 103 PID 5808 wrote to memory of 3584 5808 cmd.exe 105 PID 5808 wrote to memory of 3584 5808 cmd.exe 105 PID 4956 wrote to memory of 3380 4956 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 106 PID 4956 wrote to memory of 3380 4956 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 106 PID 4956 wrote to memory of 3380 4956 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 106 PID 4956 wrote to memory of 3564 4956 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 109 PID 4956 wrote to memory of 3564 4956 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 109 PID 4956 wrote to memory of 3564 4956 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 109 PID 4956 wrote to memory of 3892 4956 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 111 PID 4956 wrote to memory of 3892 4956 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 111 PID 4956 wrote to memory of 3892 4956 65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe 111 PID 3892 wrote to memory of 3692 3892 csrss.exe 113 PID 3892 wrote to memory of 3692 3892 csrss.exe 113 PID 3892 wrote to memory of 3692 3892 csrss.exe 113 PID 3892 wrote to memory of 5412 3892 csrss.exe 118 PID 3892 wrote to memory of 5412 3892 csrss.exe 118 PID 3892 wrote to memory of 5412 3892 csrss.exe 118 PID 3892 wrote to memory of 5644 3892 csrss.exe 121 PID 3892 wrote to memory of 5644 3892 csrss.exe 121 PID 3892 wrote to memory of 5644 3892 csrss.exe 121 PID 3892 wrote to memory of 1988 3892 csrss.exe 123 PID 3892 wrote to memory of 1988 3892 csrss.exe 123 -
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\65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe"C:\Users\Admin\AppData\Local\Temp\65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2224 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2988
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C:\Users\Admin\AppData\Local\Temp\65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe"C:\Users\Admin\AppData\Local\Temp\65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4956 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4912
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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:5808 -
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
- Event Triggered Execution: Netsh Helper DLL
PID:3584
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3380
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3564
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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.
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3892 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3692
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Scheduled Task/Job: Scheduled Task
PID:3896
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5060
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5412
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5644
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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:1988
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Scheduled Task/Job: Scheduled Task
PID:1600
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c85502889e7100481e909dfd661cc58c
SHA1b5190ecb1cc7902612f098dcf2fa78b928e5fa25
SHA256d57f681d4489d74f462498018fdf8049827dded8706ccf306803e7c83fdcb3d2
SHA512bf95d0491f91bae36398131625dab6a1bf7af0b5fb1f692cb3430b96cddc1434b92bf561dc82e4217164e86f9091298eff18c7e45969f08c2a2aae829455c40b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f62af67d4ef771bc2a47c19ec3228fc0
SHA127ae5e7ceff1bbd8dee7d874e4605a142a79eede
SHA2561582ac36819cf6b1d9941051a671d7eb3d770082b08f7fa585d7674874994792
SHA5125da46f3d78c86da259c7770d984aff3c0e23530bc3fa7d45c13b93f80c275f34870d7a5e69a159aa5c691422964ee62514d3b8a12f5f0119c3b4234412209b1f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a28df149171d037a531a8691f0f50b6a
SHA10fb502d2eabdf7f4a4f99d1f356dd448a0d5717c
SHA25667777704086bbd2d459be5a226e7bcc10dcc16afbb5fe74245e4b003c0c3caa6
SHA5124e9dcc23a5c2ba870792af949eadfa4238f7038341a4123106e2cf511768a1051c2c0a643010f35d5ca6b13391af4c1a95b89639532ca5faef0ae24a17c4fe30
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5012a33c3eae73aca2274070cd60a7f10
SHA1ba484ca4ed49665ee400bfbfd9d5fb145d2b7536
SHA2567eced7100cee8ce5bbc2b3ad99f8df1eb63ff018afcbb09b9a829b16b9831271
SHA512dd5e8a9f4de470537018076d748abcc48e071616e50ce96757d374761f44beb41f4e11bd97ec6f5333c6a52e41ddfe99f6b52711aa9c43f4218c0cc7e69b06ee
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dbfa4c1e3e03aa30a0b279da812e4615
SHA184cf8bb7de254275cb75c0f4a75b29e93bf39d21
SHA25687c7d664312f966aa5ae228b8da1c0abb1da3b16b4bf474e2ad485ca45acbaec
SHA5124da1960012a69e10680d89090e96c919cedde36af6021f8fbbdc4dc80414bcc478232e5351179ad3482cdfe0c318cf484cda5c438d4e0dd84b2a5202175e8152
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Filesize
9.1MB
MD5afac5e4b4d8cb6f10353da7e8fa83fa1
SHA1ca92e8ab80c94ad5ad4530863adbb1e494bc817f
SHA25665df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078
SHA51291540b869195273fb82eb2a3f9b66d3eb868448c2db50e7c453ad6bb77c4293934fe1a05dd1850853a5e357bb49a7dd5b213ccb92718a2009cdda775e2de5535