Analysis

  • max time kernel
    150s
  • max time network
    117s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/10/2026, 02:35

General

  • Target
    2026-10-13_e965988157f57054ef628035aef74e67_elex_remcos_stop.exe
  • Size 988KB
  • Sample261014-c3c8rae19m
  • SHA256 7828bbe01bb6153d924846275b1514cdc525a4c3d49e501084aeaa7d8f345619
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 4 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Program crash 2 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 TTPs 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-13_e965988157f57054ef628035aef74e67_elex_remcos_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-13_e965988157f57054ef628035aef74e67_elex_remcos_stop.exe"
    1⤵
    • Modifies firewall policy service
    • Drops file in Drivers directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3352
    • C:\Users\Admin\AppData\Local\Temp\_dl8013.tmp
      "C:\Users\Admin\AppData\Local\Temp\_dl8013.tmp"
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:792
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 792 -s 580
        3⤵
        • Program crash
        PID:5644
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3352 -s 552
      2⤵
      • Program crash
      PID:5992
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3352 -ip 3352
    1⤵
      PID:5416
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 792 -ip 792
      1⤵
        PID:4476
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k GPSvcGroup
        1⤵
          PID:5852

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              _dl8013.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\_dl8013.tmp
              • Size 74KB
              • SHA256 a595c20165943c0ca65f7ed3f2c3218787f12140dfb213801865a031c7749117
              • MD5 SHA1 SHA512 SSDEEP TLSH

              .exe

              • Path C:\Windows\.exe
              • Size 74KB
              • SHA256 10d9a800939676b30deb4bf4d797a4776c9f67fa9c645374e49a701bb5a67374
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/792-13-0x00000000006F0000-0x00000000006F2000-memory.dmp

              memory/792-5-0x0000000000400000-0x0000000000421000-memory.dmp

              memory/792-21-0x0000000000400000-0x0000000000421000-memory.dmp

              memory/3352-7-0x000000007FE90000-0x000000007FE9A000-memory.dmp

              memory/3352-11-0x0000000076F99000-0x0000000076F9A000-memory.dmp

              memory/3352-10-0x000000007FE90000-0x000000007FE9A000-memory.dmp

              memory/3352-12-0x000000007FE90000-0x000000007FE9A000-memory.dmp

              memory/3352-9-0x0000000076F98000-0x0000000076F99000-memory.dmp

              memory/3352-0-0x0000000000400000-0x00000000004F9000-memory.dmp

              memory/3352-22-0x000000007FE90000-0x000000007FE9A000-memory.dmp

              memory/3352-24-0x0000000000400000-0x00000000004F9000-memory.dmp