Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21-08-2024 05:11
Static task
static1
Behavioral task
behavioral1
Sample
5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe
Resource
win10v2004-20240802-en
General
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Target
5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe
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Size
4.1MB
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MD5
2857da9224b13fed53a8a164b68378c2
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SHA1
249f40f1880247a5195c2d05be4611f2dc3e59ef
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SHA256
5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d
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SHA512
0762a209bd2dd2dea9ab309b03fc54b1bc57dc39c3132d2cb77aea1ae8d36ebd733eae7470a41b8901c7d6333bafa14f11ee75d5f563ac08eb1a2a3a17aaa682
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SSDEEP
98304:wX9T5zY+neAgaWGUopMVtlg/ngaxdvvigMwWx:U9+TAmopMOgafvPTWx
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/5024-2-0x0000000002F30000-0x000000000381B000-memory.dmp family_glupteba behavioral2/memory/5024-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5024-50-0x0000000002F30000-0x000000000381B000-memory.dmp family_glupteba behavioral2/memory/5024-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5024-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2000-60-0x0000000002EB0000-0x000000000379B000-memory.dmp family_glupteba behavioral2/memory/2000-138-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3832-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3832-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3832-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3832-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3832-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3832-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3832-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3832-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3832-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3832-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3832-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3832-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3832-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2072 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 3832 csrss.exe 620 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\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 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe File created C:\Windows\rss\csrss.exe 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe -
pid Process 2316 powershell.exe 316 powershell.exe 1860 powershell.exe 3856 powershell.exe 3684 powershell.exe 64 powershell.exe 932 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 value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key queried \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 powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe 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 powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.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 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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\trust\CTLs powershell.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\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.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 4764 schtasks.exe 3292 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 932 powershell.exe 932 powershell.exe 5024 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 5024 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 2316 powershell.exe 2316 powershell.exe 2000 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 2000 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 2000 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 2000 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 2000 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 2000 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 2000 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 2000 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 2000 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 2000 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 316 powershell.exe 316 powershell.exe 1860 powershell.exe 1860 powershell.exe 3856 powershell.exe 3856 powershell.exe 3684 powershell.exe 3684 powershell.exe 64 powershell.exe 64 powershell.exe 620 injector.exe 620 injector.exe 620 injector.exe 620 injector.exe 620 injector.exe 620 injector.exe 3832 csrss.exe 3832 csrss.exe 620 injector.exe 620 injector.exe 620 injector.exe 620 injector.exe 620 injector.exe 620 injector.exe 3832 csrss.exe 3832 csrss.exe 620 injector.exe 620 injector.exe 620 injector.exe 620 injector.exe 620 injector.exe 620 injector.exe 620 injector.exe 620 injector.exe 620 injector.exe 620 injector.exe 620 injector.exe 620 injector.exe 620 injector.exe 620 injector.exe 620 injector.exe 620 injector.exe 620 injector.exe 620 injector.exe 620 injector.exe 620 injector.exe 620 injector.exe 620 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 932 powershell.exe Token: SeDebugPrivilege 5024 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Token: SeImpersonatePrivilege 5024 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe Token: SeDebugPrivilege 2316 powershell.exe Token: SeDebugPrivilege 316 powershell.exe Token: SeDebugPrivilege 1860 powershell.exe Token: SeDebugPrivilege 3856 powershell.exe Token: SeDebugPrivilege 3684 powershell.exe Token: SeDebugPrivilege 64 powershell.exe Token: SeSystemEnvironmentPrivilege 3832 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 5024 wrote to memory of 932 5024 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 90 PID 5024 wrote to memory of 932 5024 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 90 PID 5024 wrote to memory of 932 5024 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 90 PID 2000 wrote to memory of 2316 2000 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 98 PID 2000 wrote to memory of 2316 2000 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 98 PID 2000 wrote to memory of 2316 2000 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 98 PID 2000 wrote to memory of 64 2000 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 100 PID 2000 wrote to memory of 64 2000 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 100 PID 64 wrote to memory of 2072 64 cmd.exe 102 PID 64 wrote to memory of 2072 64 cmd.exe 102 PID 2000 wrote to memory of 316 2000 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 103 PID 2000 wrote to memory of 316 2000 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 103 PID 2000 wrote to memory of 316 2000 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 103 PID 2000 wrote to memory of 1860 2000 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 105 PID 2000 wrote to memory of 1860 2000 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 105 PID 2000 wrote to memory of 1860 2000 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 105 PID 2000 wrote to memory of 3832 2000 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 107 PID 2000 wrote to memory of 3832 2000 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 107 PID 2000 wrote to memory of 3832 2000 5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe 107 PID 3832 wrote to memory of 3856 3832 csrss.exe 108 PID 3832 wrote to memory of 3856 3832 csrss.exe 108 PID 3832 wrote to memory of 3856 3832 csrss.exe 108 PID 3832 wrote to memory of 3684 3832 csrss.exe 114 PID 3832 wrote to memory of 3684 3832 csrss.exe 114 PID 3832 wrote to memory of 3684 3832 csrss.exe 114 PID 3832 wrote to memory of 64 3832 csrss.exe 116 PID 3832 wrote to memory of 64 3832 csrss.exe 116 PID 3832 wrote to memory of 64 3832 csrss.exe 116 PID 3832 wrote to memory of 620 3832 csrss.exe 118 PID 3832 wrote to memory of 620 3832 csrss.exe 118 -
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\5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe"C:\Users\Admin\AppData\Local\Temp\5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5024 -
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:932
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C:\Users\Admin\AppData\Local\Temp\5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.exe"C:\Users\Admin\AppData\Local\Temp\5edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d.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:2000 -
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:2316
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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:64 -
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:2072
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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:316
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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:1860
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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:3832 -
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:3856
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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:4764
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:748
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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:3684
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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:64
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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:620
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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:3292
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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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d04550c22b3aff2dd81b3c6134422227
SHA17a43e6822e845e80613deb09cd5f0e49c54ecff0
SHA256b4aec9c83f80bd738b72581658b48d16d54d7201ab037566c9bedf9e0a953089
SHA512d8502687e1c9f6444699477323c4ed5c8bf377862c8314393ebe658c996aee4d013dc795d375f144e1946cc4bf3b67b1a5703916c7145e7aaef0d04721af949a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5352a9c967fdace081f50f68ce7ed2670
SHA1f084a3868461bb8a19be80ff24319658cc80ba3d
SHA2561c28f1d2a53b9729021964f8b0851fcd073c7ca4492bd05de2927b303147f307
SHA512fdb656f28c5aea78af6c8cca80a20e0b56b49bb0a6a9d6473d8ac3ac6f68953b3e16dee3a0404a16faf2bab5dda9800fa5a3a610fdafc1a229f2137dc1dbec5f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a459bb1f30121f47354cfed8ba0432f8
SHA1a4cef7867eb5f2e1e14ebb8e5af91483d64c5452
SHA25650ae9732769a3feba2516a1728623d96e3a025a806734f479b03a58a8c0d5eb0
SHA51250e26ab8d55c0bc13f3f7df6e54561fadb120d35fbdb4da56bb7f2ee20ed727b3d4b95ccf885cb509c5f6616ca3d725ee2c737ca97e550b83194d23f96cda830
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e698b9631ed1708ca9b40524492bb384
SHA1405fbdaa67d403d10d4d39bdbbee36a92ac5c195
SHA256596439d29dc051d305770f9e19b9fa853dfb67c931c953609136fdf23ab5a56b
SHA5127aad1910c53421d41f84a993d15b489b46694e8e9d79580b730af93525a4c261f94393ee0ef78f8fbbc0909702f5223a26d79d80e68aa7ddd58f2956da664aeb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fa67594395aeaf8ca4b5b21b2c0c036d
SHA1ba1ab5a86deffed248fa492dae4ccc0e3b200011
SHA25620ce485b615115f06a4fd677a7cd1fd2b8021c8da918c14ad2691937c1abeb85
SHA512ef772b30dbefe7e771d25d05240f0a5e0449f2c8ba55c9d6568cfa848a934665acbaa9d8af98bcdf57377cc0b6cf8379d102d12d84627de7f0af66ae29c6d9cd
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Filesize
4.1MB
MD52857da9224b13fed53a8a164b68378c2
SHA1249f40f1880247a5195c2d05be4611f2dc3e59ef
SHA2565edd03b5ddbf162a0e63c16d7d579433d11f34e199fcbdcb7fbeb581ff3af86d
SHA5120762a209bd2dd2dea9ab309b03fc54b1bc57dc39c3132d2cb77aea1ae8d36ebd733eae7470a41b8901c7d6333bafa14f11ee75d5f563ac08eb1a2a3a17aaa682