Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
02/09/2026, 04:24
General
- Target abcdf531d86451ab05ab7faf02a85f7c987a3069401110726f52de0d38532530.exe
- Size 811KB
- Sample260902-e1gt9sfn6x
- SHA256 abcdf531d86451ab05ab7faf02a85f7c987a3069401110726f52de0d38532530
Malware Config
Extracted
-
vidar
-
3.2
-
f80fc9edd5bb6c99cba4fb59be56c024
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https://t.me/nag0a
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https://dev.epicgames.com/community/api/user_profiles/profile.json?hash_id=EMqJL
-
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:34.0) Gecko/20100101 Firefox/34.0
Signatures
- Family: Vidar
Vidar is an infostealer based on Arkei stealer.
- Creates a file in the Startup directory 1 TTPs 2 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.
- Registers new Windows logon scripts automatically executed at logon. 1 TTPs 2 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 4 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 12 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\abcdf531d86451ab05ab7faf02a85f7c987a3069401110726f52de0d38532530.exe"C:\Users\Admin\AppData\Local\Temp\abcdf531d86451ab05ab7faf02a85f7c987a3069401110726f52de0d38532530.exe"1⤵
- Creates a file in the Startup directory
- Registers new Windows logon scripts automatically executed at logon.
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exeschtasks.exe /create /tn "SecurityHealthService" /xml "C:\Users\Admin\AppData\Local\Temp\~st0E5928CA.xml" /f2⤵
- Scheduled Task/Job: Scheduled Task
-
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C:\Windows\SYSTEM32\schtasks.exeschtasks.exe /create /tn "WindowsSecurityHealth" /xml "C:\Users\Admin\AppData\Local\Temp\~st0E592868.xml" /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\abcdf531d86451ab05ab7faf02a85f7c987a3069401110726f52de0d38532530.exeC:\Users\Admin\AppData\Local\Temp\abcdf531d86451ab05ab7faf02a85f7c987a3069401110726f52de0d38532530.exe1⤵
- Creates a file in the Startup directory
- Registers new Windows logon scripts automatically executed at logon.
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exeschtasks.exe /create /tn "SecurityHealthService" /xml "C:\Users\Admin\AppData\Local\Temp\~st0E594B1C.xml" /f2⤵
- Scheduled Task/Job: Scheduled Task
-
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C:\Windows\SYSTEM32\schtasks.exeschtasks.exe /create /tn "WindowsSecurityHealth" /xml "C:\Users\Admin\AppData\Local\Temp\~st0E594CCA.xml" /f2⤵
- Scheduled Task/Job: Scheduled Task
-
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Boot or Logon Initialization Scripts
1Logon Script (Windows)
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
~st0E592868.xml
~st0E5928CA.xml
~st0E594CCA.xml
memory/248-20-0x0000000740000000-0x0000000740400000-memory.dmp
memory/248-21-0x0000000740000000-0x0000000740400000-memory.dmp
memory/6136-4-0x0000000740000000-0x0000000740400000-memory.dmp
memory/6136-9-0x0000000740000000-0x0000000740400000-memory.dmp
memory/6136-10-0x0000000740000000-0x0000000740400000-memory.dmp