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
    18/08/2026, 12:49

General

  • Target
    2026-08-18_b48399b98910043079bf92caaa728943_elex_remcos_wannacry.exe
  • Size 59KB
  • Sample260818-p2sy2aserc
  • SHA256 43947dbfda2738a4c9437343bad0cfe67f3f3353d633a28c1235d07be53c5b03
  • 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 11 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 11 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 22 IoCs

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

  • Executes dropped EXE 11 IoCs
  • Drops file in Windows directory 11 IoCs
  • Executes a command shell one-liner 1 TTPs 11 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 23 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 11 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-18_b48399b98910043079bf92caaa728943_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-18_b48399b98910043079bf92caaa728943_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:3360
    • C:\Windows\{9750E6F6-CCD4-495c-AEDF-C01F36D28819}.exe
      C:\Windows\{9750E6F6-CCD4-495c-AEDF-C01F36D28819}.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:2388
      • C:\Windows\{04BA352F-6499-44e2-9619-18301EB2F153}.exe
        C:\Windows\{04BA352F-6499-44e2-9619-18301EB2F153}.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:3256
        • C:\Windows\{1B86D07C-B13B-4247-8B79-7E803284832C}.exe
          C:\Windows\{1B86D07C-B13B-4247-8B79-7E803284832C}.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:3204
          • C:\Windows\{58D9AB6E-1394-4bb3-9CF2-17F8102E78B1}.exe
            C:\Windows\{58D9AB6E-1394-4bb3-9CF2-17F8102E78B1}.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:296
            • C:\Windows\{12BB3F68-4D02-40f0-8C8A-24009BDAAD48}.exe
              C:\Windows\{12BB3F68-4D02-40f0-8C8A-24009BDAAD48}.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:5212
              • C:\Windows\{42FF6ED9-3463-442f-99CF-82CEDA480932}.exe
                C:\Windows\{42FF6ED9-3463-442f-99CF-82CEDA480932}.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:5852
                • C:\Windows\{6489CF09-D571-46af-B091-A109F8ACB173}.exe
                  C:\Windows\{6489CF09-D571-46af-B091-A109F8ACB173}.exe
                  8⤵
                  • 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:5164
                  • C:\Windows\{D53DACC4-01D0-49f6-80F7-38AC8DEE4D0C}.exe
                    C:\Windows\{D53DACC4-01D0-49f6-80F7-38AC8DEE4D0C}.exe
                    9⤵
                    • 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:2604
                    • C:\Windows\{55D73C6A-486E-44f7-9F0C-073E55C4E638}.exe
                      C:\Windows\{55D73C6A-486E-44f7-9F0C-073E55C4E638}.exe
                      10⤵
                      • 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:3572
                      • C:\Windows\{D679AF7C-FE1B-4765-9B7A-C5250E986F39}.exe
                        C:\Windows\{D679AF7C-FE1B-4765-9B7A-C5250E986F39}.exe
                        11⤵
                        • 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:5568
                        • C:\Windows\{DE24D11F-2E15-4d1d-8FD9-374F3F5AFF57}.exe
                          C:\Windows\{DE24D11F-2E15-4d1d-8FD9-374F3F5AFF57}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:3940
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{D679A~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:2632
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{55D73~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:5876
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{D53DA~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:1196
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{6489C~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:4592
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{42FF6~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:5112
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{12BB3~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:5984
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{58D9A~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:4124
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{1B86D~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:292
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{04BA3~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:3188
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{9750E~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:5052
    • 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:1900

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {04BA352F-6499-44e2-9619-18301EB2F153}.exe

        • Path C:\Windows\{04BA352F-6499-44e2-9619-18301EB2F153}.exe
        • Size 59KB
        • SHA256 a66fd8b237ebfc893fab38064cc7919d27dab2d8418e2944fec4900d7290317c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {12BB3F68-4D02-40f0-8C8A-24009BDAAD48}.exe

        • Path C:\Windows\{12BB3F68-4D02-40f0-8C8A-24009BDAAD48}.exe
        • Size 59KB
        • SHA256 935014b3a721215bdb9e7cec339d3325aae70a5842e07049cc1f289ec1248eaa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {1B86D07C-B13B-4247-8B79-7E803284832C}.exe

        • Path C:\Windows\{1B86D07C-B13B-4247-8B79-7E803284832C}.exe
        • Size 59KB
        • SHA256 668e29e8ad771ea8ecea28fc2c33016bb3727a6d0f61046a499b0086b81c84b2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {42FF6ED9-3463-442f-99CF-82CEDA480932}.exe

        • Path C:\Windows\{42FF6ED9-3463-442f-99CF-82CEDA480932}.exe
        • Size 59KB
        • SHA256 3f82d9860df7723d6811e992b6d994d796f4b7bc595caf065771e8b7fd9e20a9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {55D73C6A-486E-44f7-9F0C-073E55C4E638}.exe

        • Path C:\Windows\{55D73C6A-486E-44f7-9F0C-073E55C4E638}.exe
        • Size 59KB
        • SHA256 0998818bec1d2e8bdc5eab5396f9a430c776cae080c41cb6488ab29801d3a6d4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {58D9AB6E-1394-4bb3-9CF2-17F8102E78B1}.exe

        • Path C:\Windows\{58D9AB6E-1394-4bb3-9CF2-17F8102E78B1}.exe
        • Size 59KB
        • SHA256 8c8272098041391b77f37cf6dca51bb0c89369957dda8bed88d6d2487828c16c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {6489CF09-D571-46af-B091-A109F8ACB173}.exe

        • Path C:\Windows\{6489CF09-D571-46af-B091-A109F8ACB173}.exe
        • Size 59KB
        • SHA256 8b84936832ced2b12ba9b7d1a859738f5d97945933b22f065bde18da68d072c5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {9750E6F6-CCD4-495c-AEDF-C01F36D28819}.exe

        • Path C:\Windows\{9750E6F6-CCD4-495c-AEDF-C01F36D28819}.exe
        • Size 59KB
        • SHA256 0cf5da7971fcfe7f716e159628a006bd1259095dc044f129f28392a867d05024
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {D53DACC4-01D0-49f6-80F7-38AC8DEE4D0C}.exe

        • Path C:\Windows\{D53DACC4-01D0-49f6-80F7-38AC8DEE4D0C}.exe
        • Size 59KB
        • SHA256 229e35666ecb9bab911cc36af6c587e57d8961134fdba2be87030d8fa9d226b2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {D679AF7C-FE1B-4765-9B7A-C5250E986F39}.exe

        • Path C:\Windows\{D679AF7C-FE1B-4765-9B7A-C5250E986F39}.exe
        • Size 59KB
        • SHA256 50fef1b8fb72cbc0067f233ec6acf59813f661d1f0bc5c552e58f274cf4aab81
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {DE24D11F-2E15-4d1d-8FD9-374F3F5AFF57}.exe

        • Path C:\Windows\{DE24D11F-2E15-4d1d-8FD9-374F3F5AFF57}.exe
        • Size 59KB
        • SHA256 c43fe6beed8021d6f82451c36276de14f0d9c3a25a7cb5bace290f11a9eb368e
        • MD5 SHA1 SHA512 SSDEEP TLSH