Analysis

  • max time kernel
    149s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    15/10/2026, 22:56

General

  • Target
    2026-10-15_f50e780826f4585bc47eeb0611b78679_elex_remcos_wannacry.exe
  • Size 59KB
  • Sample261015-2wtplaev6r
  • SHA256 eea420eef5b058311f4e0c66cd8b08dbfba87ee9ee8226a02e95da122cc83c2b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Stormser, StormDDoS, StormAttack, Stormer

    Stormser aka StormDDoS, StormAttack, and Stormer is a Windows worm written in C++.

  • Detects Stormser aka Storm DDoS and StormAttack 6 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 6 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 12 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Executes dropped EXE 6 IoCs
  • Drops file in Windows directory 6 IoCs
  • Executes a command shell one-liner 1 TTPs 6 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 13 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-15_f50e780826f4585bc47eeb0611b78679_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-15_f50e780826f4585bc47eeb0611b78679_elex_remcos_wannacry.exe"
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3384
    • C:\Windows\{AAF2CEE1-C326-4efe-B1F7-4852AED85863}.exe
      C:\Windows\{AAF2CEE1-C326-4efe-B1F7-4852AED85863}.exe
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3184
      • C:\Windows\{46B3DA7B-E81A-4e8c-AE91-FABFFB840C79}.exe
        C:\Windows\{46B3DA7B-E81A-4e8c-AE91-FABFFB840C79}.exe
        3⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Executes dropped EXE
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3172
        • C:\Windows\{BCA46808-0FDE-431e-B0A0-61B934A036B1}.exe
          C:\Windows\{BCA46808-0FDE-431e-B0A0-61B934A036B1}.exe
          4⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Executes dropped EXE
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2660
          • C:\Windows\{51684782-9F70-42b4-8A50-6AFB124FC533}.exe
            C:\Windows\{51684782-9F70-42b4-8A50-6AFB124FC533}.exe
            5⤵
            • Boot or Logon Autostart Execution: Active Setup
            • Executes dropped EXE
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4492
            • C:\Windows\{62FA5BB7-0961-49bc-81CF-38EB832FCE72}.exe
              C:\Windows\{62FA5BB7-0961-49bc-81CF-38EB832FCE72}.exe
              6⤵
              • Boot or Logon Autostart Execution: Active Setup
              • Executes dropped EXE
              • Drops file in Windows directory
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:2948
              • C:\Windows\{9BD3F548-BB34-4e6f-BBE9-DE7F59A821D0}.exe
                C:\Windows\{9BD3F548-BB34-4e6f-BBE9-DE7F59A821D0}.exe
                7⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:1976
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{62FA5~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:2188
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{51684~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:2900
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{BCA46~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:4988
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{46B3D~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:4576
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{AAF2C~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:5060
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2026-1~1.EXE > nul
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:3976

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {46B3DA7B-E81A-4e8c-AE91-FABFFB840C79}.exe

        • Path C:\Windows\{46B3DA7B-E81A-4e8c-AE91-FABFFB840C79}.exe
        • Size 59KB
        • SHA256 2e26c9b6701c16500c6ff81a7ef8e7a41cf0da711028a73e0eb0f9467337b9dd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {51684782-9F70-42b4-8A50-6AFB124FC533}.exe

        • Path C:\Windows\{51684782-9F70-42b4-8A50-6AFB124FC533}.exe
        • Size 59KB
        • SHA256 b2a8bf6bd711052c615f3d8374ff458769923c6f15b998e99f7976677b9c3c86
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {62FA5BB7-0961-49bc-81CF-38EB832FCE72}.exe

        • Path C:\Windows\{62FA5BB7-0961-49bc-81CF-38EB832FCE72}.exe
        • Size 59KB
        • SHA256 f9a6bb66b2fcfb5e790cff0f271a9eb6411a52b1e7dc278b706a632978912e82
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {9BD3F548-BB34-4e6f-BBE9-DE7F59A821D0}.exe

        • Path C:\Windows\{9BD3F548-BB34-4e6f-BBE9-DE7F59A821D0}.exe
        • Size 59KB
        • SHA256 d6a84be7d67dffb22bdf515f101a86b3e832493675de675f8005fc587f6887a4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {AAF2CEE1-C326-4efe-B1F7-4852AED85863}.exe

        • Path C:\Windows\{AAF2CEE1-C326-4efe-B1F7-4852AED85863}.exe
        • Size 59KB
        • SHA256 6c1f7e0acfb34e638871a111c842381f5ced2555f7f692499a337735d962535d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {BCA46808-0FDE-431e-B0A0-61B934A036B1}.exe

        • Path C:\Windows\{BCA46808-0FDE-431e-B0A0-61B934A036B1}.exe
        • Size 59KB
        • SHA256 c93fac2a1b59f56f5decc8d906dcc8cd092ded13a0f49e252aff6fe2be25fb1c
        • MD5 SHA1 SHA512 SSDEEP TLSH