Analysis
- max time kernel
31s - max time network
137s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/07/2026, 15:22
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
5569b3672ad17216d5437da5fd9c2cdc27c25c25169d61eb1a890e995ea2df0f.exe
Resource
win10v2004-20260513-en
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
5569b3672ad17216d5437da5fd9c2cdc27c25c25169d61eb1a890e995ea2df0f.exe
Resource
win11ltsc2024-20260706-en
8 signatures
150 seconds
General
- Target 5569b3672ad17216d5437da5fd9c2cdc27c25c25169d61eb1a890e995ea2df0f.exe
- Size 744KB
- Sample260707-ssc31ags3x
- SHA256 5569b3672ad17216d5437da5fd9c2cdc27c25c25169d61eb1a890e995ea2df0f
- MD5 d75b3be509fb4f8e936579f2f7ba968f
- SHA1 88d545c5e7bd59521ec73caee13259fc46c7b14e
- SHA512 06e26bc5e709cc294e5c47ec9ad8a98aa05f0f8b6c147c0081ae9dfe0a73a6f52d013a89baba8940bcee1944ec8de750b49be144bb95de2a7e6f999aaffa11e6
- SSDEEP 12288:ImsAAxpN0fiD9C52ZqSLNW54KBysCc1TKb0gXLodd01sevie8grGz53LNxzSOL:ILLs0sgZqSLA1BysCc1GJXk8/Mb3LNz
- TLSH T1D2F4127E4D862F15CA3D1EBDC4B318A433F1C403A252E7272EFC40F26AA7B564D62912
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
Malware Config
Signatures
- Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2049790993-2338060321-149346055-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe - .NET Reactor proctector 1 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
resource yara_rule behavioral2/memory/1528-6-0x0000000005000000-0x0000000005084000-memory.dmp net_reactor - Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\E: explorer.exe File opened (read-only) \??\F: explorer.exe - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5569b3672ad17216d5437da5fd9c2cdc27c25c25169d61eb1a890e995ea2df0f.exe - Modifies registry class 13 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-2049790993-2338060321-149346055-1000\{74D0C7E1-430D-40CC-A9D7-799A3FEFB7EB} explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\ explorer.exe Key created \REGISTRY\USER\S-1-5-21-2049790993-2338060321-149346055-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2049790993-2338060321-149346055-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4BFCC3A-DB2C-424C-B029-7FE99A87C641}\Instance\ explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1CF1260C-4DD0-4ebb-811F-33C572699FDE}\Instance\ explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3ADD1653-EB32-4cb0-BBD7-DFA0ABB5ACCA}\Instance\ explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ explorer.exe Key created \REGISTRY\USER\S-1-5-21-2049790993-2338060321-149346055-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-2049790993-2338060321-149346055-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2049790993-2338060321-149346055-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{374DE290-123F-4565-9164-39C4925E467B}\Instance\ explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A0953C92-50DC-43bf-BE83-3742FED03C9C}\Instance\ explorer.exe - Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeShutdownPrivilege 4220 explorer.exe Token: SeCreatePagefilePrivilege 4220 explorer.exe Token: SeShutdownPrivilege 4220 explorer.exe Token: SeCreatePagefilePrivilege 4220 explorer.exe Token: SeShutdownPrivilege 4220 explorer.exe Token: SeCreatePagefilePrivilege 4220 explorer.exe Token: SeShutdownPrivilege 4220 explorer.exe Token: SeCreatePagefilePrivilege 4220 explorer.exe Token: SeShutdownPrivilege 4220 explorer.exe Token: SeCreatePagefilePrivilege 4220 explorer.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2152 sihost.exe 4220 explorer.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2152 wrote to memory of 4220 2152 sihost.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\5569b3672ad17216d5437da5fd9c2cdc27c25c25169d61eb1a890e995ea2df0f.exe"C:\Users\Admin\AppData\Local\Temp\5569b3672ad17216d5437da5fd9c2cdc27c25c25169d61eb1a890e995ea2df0f.exe"1⤵
- System Location Discovery: System Language Discovery
PID:1528
-
C:\Windows\system32\sihost.exesihost.exe1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2152 -
C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS2⤵
- Boot or Logon Autostart Execution: Active Setup
- Enumerates connected drives
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4220
-
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵PID:944
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca1⤵PID:4492
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
- Size 595B
- SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
- MD5 4454c8e578515db43fadd90604ae7675
- SHA1 3912ffa00c3a5c86fae6500a0074284d9f668976
- SHA512 b17559d466cb6954554c4f879b396ff8431c730f837205547ab46329c6517cd35a719378efa55d78c01b739414dd320157f120feb12e28e1ae90ce7c53a0c75c
- TLSH T117F0DC47E7B15216C926123CC89724E1B730F5917DD1162341056F5D2C373101F17CB8
- MD5 SHA1 SHA512 TLSH