Analysis
- max time kernel
150s - max time network
135s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
20/08/2026, 06:12
General
- Target r843.exe
- Size 287KB
- Sample260820-gybatafl7t
- SHA256 4f92f1b658856b2662100c26dcd5f81525a74482b4fdebb16923ec27234f0a7e
Malware Config
Extracted
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remus_stealer
-
http://vexdico.shop:8539/reports
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http://zakuiru.shop:9048/events
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http://kupzovo.shop:7567/sessions
Signatures
- Family: Remus
Remus is a stealer written in C++.
- 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 6 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
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C:\Users\Admin\AppData\Local\Temp\r843.exe"C:\Users\Admin\AppData\Local\Temp\r843.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\~st0E596FD6.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\~st0E596874.xml" /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\r843.exeC:\Users\Admin\AppData\Local\Temp\r843.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
-
C:\Windows\SYSTEM32\schtasks.exeschtasks.exe /create /tn "SecurityHealthService" /xml "C:\Users\Admin\AppData\Local\Temp\~st0E5974DD.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\~st0E5974A3.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
~st0E596874.xml
~st0E596FD6.xml
~st0E5974A3.xml
memory/3188-10-0x0000014BA8FC0000-0x0000014BA8FC1000-memory.dmp
memory/3188-8-0x0000014BA8F50000-0x0000014BA8F51000-memory.dmp
memory/3188-21-0x0000014BA9080000-0x0000014BA9081000-memory.dmp
memory/3188-16-0x0000014BA9030000-0x0000014BA9031000-memory.dmp
memory/3188-18-0x0000014BA9050000-0x0000014BA9051000-memory.dmp
memory/3188-15-0x0000014BA9020000-0x0000014BA9021000-memory.dmp
memory/3188-13-0x0000014BA8FF0000-0x0000014BA8FF1000-memory.dmp
memory/3188-12-0x0000014BA8FE0000-0x0000014BA8FE1000-memory.dmp
memory/3188-11-0x0000014BA8FD0000-0x0000014BA8FD1000-memory.dmp
memory/3188-25-0x0000000140000000-0x0000000140200000-memory.dmp
memory/3188-9-0x0000014BA8FB0000-0x0000014BA8FB1000-memory.dmp
memory/3188-22-0x0000014BA9090000-0x0000014BA9091000-memory.dmp
memory/3188-7-0x0000014BA8F40000-0x0000014BA8F41000-memory.dmp
memory/3188-5-0x0000014BA8ED0000-0x0000014BA8ED1000-memory.dmp
memory/3188-23-0x0000014BA90A0000-0x0000014BA90A1000-memory.dmp
memory/3188-20-0x0000014BA9070000-0x0000014BA9071000-memory.dmp
memory/3188-19-0x0000014BA9060000-0x0000014BA9061000-memory.dmp
memory/3188-17-0x0000014BA9040000-0x0000014BA9041000-memory.dmp
memory/3188-14-0x0000014BA9000000-0x0000014BA9001000-memory.dmp
memory/3188-6-0x0000014BA8F30000-0x0000014BA8F31000-memory.dmp
memory/3188-4-0x0000014BA8EC0000-0x0000014BA8EC1000-memory.dmp