Analysis

  • max time kernel
    148s
  • max time network
    128s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/08/2026, 00:12

General

  • Target
    r843.exe
  • Size 291KB
  • Sample260824-aha7jsbp3s
  • SHA256 066d83b98a2081e0bb075c94376aebc9b0fd6499025cab1762d83bbb4d7576c6
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remus_stealer

C2
  • http://vexdico.shop:8539/videos

  • http://zakuiru.shop:9048/contacts

  • 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

  • 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
    PID:3584
    • C:\Windows\SYSTEM32\schtasks.exe
      schtasks.exe /create /tn "SecurityHealthService" /xml "C:\Users\Admin\AppData\Local\Temp\~st0E59CEB6.xml" /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2296
    • C:\Windows\SYSTEM32\schtasks.exe
      schtasks.exe /create /tn "WindowsSecurityHealth" /xml "C:\Users\Admin\AppData\Local\Temp\~st0E59CEF5.xml" /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4444
  • 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
    PID:4852
    • C:\Windows\SYSTEM32\schtasks.exe
      schtasks.exe /create /tn "SecurityHealthService" /xml "C:\Users\Admin\AppData\Local\Temp\~st0E59DE48.xml" /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4120
    • C:\Windows\SYSTEM32\schtasks.exe
      schtasks.exe /create /tn "WindowsSecurityHealth" /xml "C:\Users\Admin\AppData\Local\Temp\~st0E59DE2F.xml" /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:5864

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        ~st0E59CEB6.xml

        • Path C:\Users\Admin\AppData\Local\Temp\~st0E59CEB6.xml
        • Size 1KB
        • SHA256 fb93f1b20539723ff69810e89ae4d3f6c4c937290c5e4d94ae48ec64acf62d97
        • MD5 SHA1 SHA512 TLSH

        ~st0E59CEF5.xml

        • Path C:\Users\Admin\AppData\Local\Temp\~st0E59CEF5.xml
        • Size 1KB
        • SHA256 3b90516faedc761956af5f492d2cffe5fe6fae939e98cff82011200c3a52260d
        • MD5 SHA1 SHA512 TLSH

        ~st0E59DE2F.xml

        • Path C:\Users\Admin\AppData\Local\Temp\~st0E59DE2F.xml
        • Size 1KB
        • SHA256 66d4d01102eb8f9312e8da97416b7aeaeff7c95d85ccbd01ba28e7d1dfabca45
        • MD5 SHA1 SHA512 TLSH

        memory/3584-14-0x00000267DDAA0000-0x00000267DDAA1000-memory.dmp

        memory/3584-12-0x00000267DDA80000-0x00000267DDA81000-memory.dmp

        memory/3584-21-0x00000267DDB10000-0x00000267DDB11000-memory.dmp

        memory/3584-20-0x00000267DDB00000-0x00000267DDB01000-memory.dmp

        memory/3584-19-0x00000267DDAF0000-0x00000267DDAF1000-memory.dmp

        memory/3584-18-0x00000267DDAE0000-0x00000267DDAE1000-memory.dmp

        memory/3584-17-0x00000267DDAD0000-0x00000267DDAD1000-memory.dmp

        memory/3584-16-0x00000267DDAC0000-0x00000267DDAC1000-memory.dmp

        memory/3584-15-0x00000267DDAB0000-0x00000267DDAB1000-memory.dmp

        memory/3584-24-0x0000000140000000-0x0000000140200000-memory.dmp

        memory/3584-13-0x00000267DDA90000-0x00000267DDA91000-memory.dmp

        memory/3584-22-0x00000267DDB20000-0x00000267DDB21000-memory.dmp

        memory/3584-11-0x00000267DDA70000-0x00000267DDA71000-memory.dmp

        memory/3584-10-0x00000267DDA60000-0x00000267DDA61000-memory.dmp

        memory/3584-9-0x00000267DDA50000-0x00000267DDA51000-memory.dmp

        memory/3584-8-0x00000267DD9F0000-0x00000267DD9F1000-memory.dmp

        memory/3584-7-0x00000267DD9E0000-0x00000267DD9E1000-memory.dmp

        memory/3584-6-0x00000267DD9C0000-0x00000267DD9C1000-memory.dmp

        memory/3584-5-0x00000267DD960000-0x00000267DD961000-memory.dmp

        memory/3584-4-0x00000267DD950000-0x00000267DD951000-memory.dmp

        memory/3584-23-0x00000267DDB30000-0x00000267DDB31000-memory.dmp