Analysis
- max time kernel
150s - max time network
138s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
24/08/2026, 15:37
General
- Target r843.exe
- Size 291KB
- Sample260824-s2hd3szfqa
- SHA256 066d83b98a2081e0bb075c94376aebc9b0fd6499025cab1762d83bbb4d7576c6
Malware Config
Extracted
-
remus_stealer
-
http://vexdico.shop:8539/videos
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http://zakuiru.shop:9048/contacts
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http://kupzovo.shop:7567/payments
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.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Registers new Windows logon scripts automatically executed at logon. 1 TTPs 2 IoCs
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Adds Run key to start application 2 TTPs 2 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- 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 16 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\~st0E598777.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\~st0E5987F4.xml" /f2⤵
- Scheduled Task/Job: Scheduled Task
-
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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\~st0E598DE2.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\~st0E598A31.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
1Privilege Escalation
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
~st0E598777.xml
~st0E5987F4.xml
~st0E598A31.xml
memory/1892-14-0x0000023D10A10000-0x0000023D10A11000-memory.dmp
memory/1892-12-0x0000023D109F0000-0x0000023D109F1000-memory.dmp
memory/1892-25-0x0000000140000000-0x0000000140200000-memory.dmp
memory/1892-23-0x0000023D10AA0000-0x0000023D10AA1000-memory.dmp
memory/1892-21-0x0000023D10A80000-0x0000023D10A81000-memory.dmp
memory/1892-20-0x0000023D10A70000-0x0000023D10A71000-memory.dmp
memory/1892-19-0x0000023D10A60000-0x0000023D10A61000-memory.dmp
memory/1892-18-0x0000023D10A50000-0x0000023D10A51000-memory.dmp
memory/1892-15-0x0000023D10A20000-0x0000023D10A21000-memory.dmp
memory/1892-9-0x0000023D10980000-0x0000023D10981000-memory.dmp
memory/1892-13-0x0000023D10A00000-0x0000023D10A01000-memory.dmp
memory/1892-8-0x0000023D10970000-0x0000023D10971000-memory.dmp
memory/1892-11-0x0000023D109E0000-0x0000023D109E1000-memory.dmp
memory/1892-10-0x0000023D109D0000-0x0000023D109D1000-memory.dmp
memory/1892-7-0x0000023D10950000-0x0000023D10951000-memory.dmp
memory/1892-6-0x0000023D10920000-0x0000023D10921000-memory.dmp
memory/1892-5-0x0000023D108C0000-0x0000023D108C1000-memory.dmp
memory/1892-22-0x0000023D10A90000-0x0000023D10A91000-memory.dmp
memory/1892-17-0x0000023D10A40000-0x0000023D10A41000-memory.dmp
memory/1892-16-0x0000023D10A30000-0x0000023D10A31000-memory.dmp
memory/1892-4-0x0000023D108B0000-0x0000023D108B1000-memory.dmp