Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    25/08/2026, 07:30

General

  • Target
    2026-08-24_91f749c59330dd589f704385882d774c_elex_remcos_wannacry.exe
  • Size 59KB
  • Sample260825-jca42axhrf
  • SHA256 dfc271c07280ba054c3f2c5a7d6d3043e5e79fa102f82b03a653e05c6312be0d
  • 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 7 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 7 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 14 IoCs

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

  • Executes dropped EXE 7 IoCs
  • Drops file in Windows directory 7 IoCs
  • Executes a command shell one-liner 1 TTPs 7 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 15 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 7 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-24_91f749c59330dd589f704385882d774c_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-24_91f749c59330dd589f704385882d774c_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:1704
    • C:\Windows\{F3E8FF89-CED3-40e2-932F-0B4EE22740D5}.exe
      C:\Windows\{F3E8FF89-CED3-40e2-932F-0B4EE22740D5}.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:632
      • C:\Windows\{1FE4AE4E-4C52-4059-A7D6-B06A29F0A5BF}.exe
        C:\Windows\{1FE4AE4E-4C52-4059-A7D6-B06A29F0A5BF}.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:4536
        • C:\Windows\{BA8818C5-9C96-4438-B0FA-9163A84AD25D}.exe
          C:\Windows\{BA8818C5-9C96-4438-B0FA-9163A84AD25D}.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:4636
          • C:\Windows\{A99872A8-BAAA-446a-9201-017E82775713}.exe
            C:\Windows\{A99872A8-BAAA-446a-9201-017E82775713}.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:4476
            • C:\Windows\{24812EDF-2105-4c16-B1ED-13812D99F3D7}.exe
              C:\Windows\{24812EDF-2105-4c16-B1ED-13812D99F3D7}.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:744
              • C:\Windows\{0B88A309-D628-4bb9-BB18-080420A06B6B}.exe
                C:\Windows\{0B88A309-D628-4bb9-BB18-080420A06B6B}.exe
                7⤵
                • 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:3200
                • C:\Windows\{8D1C8267-0B6A-4068-9C6D-143A9AC5AFA2}.exe
                  C:\Windows\{8D1C8267-0B6A-4068-9C6D-143A9AC5AFA2}.exe
                  8⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:4908
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{0B88A~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:1904
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{24812~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:1288
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{A9987~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:652
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{BA881~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:5020
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{1FE4A~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:4884
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{F3E8F~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:3572
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2026-0~1.EXE > nul
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:2136

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {0B88A309-D628-4bb9-BB18-080420A06B6B}.exe

        • Path C:\Windows\{0B88A309-D628-4bb9-BB18-080420A06B6B}.exe
        • Size 59KB
        • SHA256 c28d65e0a02dad62ea00d00638be4803c6ba1dad4f6076bcfcead52b74eeb908
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {1FE4AE4E-4C52-4059-A7D6-B06A29F0A5BF}.exe

        • Path C:\Windows\{1FE4AE4E-4C52-4059-A7D6-B06A29F0A5BF}.exe
        • Size 59KB
        • SHA256 147dc4a3ebcd5ddf98d8649df185f88d0a59c4df3eb05c6933aa73b03f708f32
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {24812EDF-2105-4c16-B1ED-13812D99F3D7}.exe

        • Path C:\Windows\{24812EDF-2105-4c16-B1ED-13812D99F3D7}.exe
        • Size 59KB
        • SHA256 f52eacdf9e196c07bc68eb1147aae5573514e8874701f123948481b9023786f0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8D1C8267-0B6A-4068-9C6D-143A9AC5AFA2}.exe

        • Path C:\Windows\{8D1C8267-0B6A-4068-9C6D-143A9AC5AFA2}.exe
        • Size 59KB
        • SHA256 21321039f61746a42c950d5cba6ef69290d4ac6ba159d73ad8613912cb8c7f88
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A99872A8-BAAA-446a-9201-017E82775713}.exe

        • Path C:\Windows\{A99872A8-BAAA-446a-9201-017E82775713}.exe
        • Size 59KB
        • SHA256 820757958ec46569b0fd467cc437b9ed2412ff77940eafba0766ef88f3e029bc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {BA8818C5-9C96-4438-B0FA-9163A84AD25D}.exe

        • Path C:\Windows\{BA8818C5-9C96-4438-B0FA-9163A84AD25D}.exe
        • Size 59KB
        • SHA256 127e02570eab330709272a3aa5f9b766ae8daa6f6727dac7d79480e079de243e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F3E8FF89-CED3-40e2-932F-0B4EE22740D5}.exe

        • Path C:\Windows\{F3E8FF89-CED3-40e2-932F-0B4EE22740D5}.exe
        • Size 59KB
        • SHA256 0b1a82bfcff2ea85044b861fc78c98d7182422e9d8152ac5eb19091f6b54cc53
        • MD5 SHA1 SHA512 SSDEEP TLSH