Analysis

  • max time kernel
    148s
  • max time network
    114s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    21/08/2026, 23:48

General

  • Target
    2026-08-21_fc5342411510fcfb710b4253ea1b637c_elex_remcos_wannacry.exe
  • Size 79KB
  • Sample260821-3tkvcadg52
  • SHA256 16a8321641850a820f86985c9732bacbbd75e777368eb64b2eda929d19dc57a7
  • 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\2026-08-21_fc5342411510fcfb710b4253ea1b637c_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-21_fc5342411510fcfb710b4253ea1b637c_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:300
    • C:\Windows\{97F52131-995F-4fd8-B00C-22D9D14AAD7D}.exe
      C:\Windows\{97F52131-995F-4fd8-B00C-22D9D14AAD7D}.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:2036
      • C:\Windows\{61EB46EB-34CC-489f-B37A-12DC50F1553F}.exe
        C:\Windows\{61EB46EB-34CC-489f-B37A-12DC50F1553F}.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:5088
        • C:\Windows\{E2393B03-B1A3-4bff-9D9D-A077013BAAA7}.exe
          C:\Windows\{E2393B03-B1A3-4bff-9D9D-A077013BAAA7}.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:5168
          • C:\Windows\{88A59054-9837-4971-B404-A9FA93E12105}.exe
            C:\Windows\{88A59054-9837-4971-B404-A9FA93E12105}.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:1492
            • C:\Windows\{0B5FF06F-69F6-4c99-8156-5184A85DEE1D}.exe
              C:\Windows\{0B5FF06F-69F6-4c99-8156-5184A85DEE1D}.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:6212
              • C:\Windows\{E9BFB5D0-0EBE-42f5-9CE8-48735CBC5EB1}.exe
                C:\Windows\{E9BFB5D0-0EBE-42f5-9CE8-48735CBC5EB1}.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:1764
                • C:\Windows\{44C1C4FF-7BD0-4bd9-8AE8-E8C3CB38DE39}.exe
                  C:\Windows\{44C1C4FF-7BD0-4bd9-8AE8-E8C3CB38DE39}.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:1236
                  • C:\Windows\{372B1048-E051-4f68-B527-552C72E3E1F4}.exe
                    C:\Windows\{372B1048-E051-4f68-B527-552C72E3E1F4}.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:1960
                    • C:\Windows\{5FE524B9-A577-400d-913A-540810DC3B54}.exe
                      C:\Windows\{5FE524B9-A577-400d-913A-540810DC3B54}.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:6488
                      • C:\Windows\{55FF62E0-5B25-41ea-9862-99D6AC31032A}.exe
                        C:\Windows\{55FF62E0-5B25-41ea-9862-99D6AC31032A}.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:484
                        • C:\Windows\{D7B1A0D7-43D7-4132-824C-BACAEE8DCD00}.exe
                          C:\Windows\{D7B1A0D7-43D7-4132-824C-BACAEE8DCD00}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:1276
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{55FF6~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:3332
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{5FE52~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:2872
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{372B1~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:552
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{44C1C~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:3308
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{E9BFB~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:6920
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{0B5FF~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:5776
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{88A59~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:3208
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{E2393~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:3076
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{61EB4~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:3364
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{97F52~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:6948
    • 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:3880

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {0B5FF06F-69F6-4c99-8156-5184A85DEE1D}.exe

        • Path C:\Windows\{0B5FF06F-69F6-4c99-8156-5184A85DEE1D}.exe
        • Size 79KB
        • SHA256 972d3819b449cdc7aa8f882f27f04e1560e2370a6a0dcef0981d64ff04b657b5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {372B1048-E051-4f68-B527-552C72E3E1F4}.exe

        • Path C:\Windows\{372B1048-E051-4f68-B527-552C72E3E1F4}.exe
        • Size 79KB
        • SHA256 fd357cf7a29a03b30dfc7bde6b7af1a710f4f3fc11f1232f6428478c5b8a6b79
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {44C1C4FF-7BD0-4bd9-8AE8-E8C3CB38DE39}.exe

        • Path C:\Windows\{44C1C4FF-7BD0-4bd9-8AE8-E8C3CB38DE39}.exe
        • Size 79KB
        • SHA256 b2876a2e0fe74d7a59f362b0927763b2ddaf9d47166a0c3ebddc7c9f5e77a212
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {55FF62E0-5B25-41ea-9862-99D6AC31032A}.exe

        • Path C:\Windows\{55FF62E0-5B25-41ea-9862-99D6AC31032A}.exe
        • Size 79KB
        • SHA256 30b95e6104ed7214750ef12ab7e2db8bbf0dbb3064fcd67d8adea1522ba622df
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5FE524B9-A577-400d-913A-540810DC3B54}.exe

        • Path C:\Windows\{5FE524B9-A577-400d-913A-540810DC3B54}.exe
        • Size 79KB
        • SHA256 9988a19dc83598a936d29624c6b130d84fdccf84d02e728affbab9afbb546ec6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {61EB46EB-34CC-489f-B37A-12DC50F1553F}.exe

        • Path C:\Windows\{61EB46EB-34CC-489f-B37A-12DC50F1553F}.exe
        • Size 79KB
        • SHA256 962b9c2da78c6bb13573a89723e58e093c4903d92ea5de1d875c906c65d9f74e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {88A59054-9837-4971-B404-A9FA93E12105}.exe

        • Path C:\Windows\{88A59054-9837-4971-B404-A9FA93E12105}.exe
        • Size 79KB
        • SHA256 bd552cc1f59e37d66fce6b5bee315e9c4d5f7ceb60fc38caa9d209cab6796cad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {97F52131-995F-4fd8-B00C-22D9D14AAD7D}.exe

        • Path C:\Windows\{97F52131-995F-4fd8-B00C-22D9D14AAD7D}.exe
        • Size 79KB
        • SHA256 9a61197f6210f432f807cdf79b09d8933fd29001ee798a9dd3702079dc8d3345
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {D7B1A0D7-43D7-4132-824C-BACAEE8DCD00}.exe

        • Path C:\Windows\{D7B1A0D7-43D7-4132-824C-BACAEE8DCD00}.exe
        • Size 79KB
        • SHA256 944459f194c8f860a173489efa1a957aa72e86304df66a164b2001dc7fe211da
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E2393B03-B1A3-4bff-9D9D-A077013BAAA7}.exe

        • Path C:\Windows\{E2393B03-B1A3-4bff-9D9D-A077013BAAA7}.exe
        • Size 79KB
        • SHA256 824d50c510127d29628b933f1d701c77257d3e53ac4ebd6ad09a90fce41ae132
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E9BFB5D0-0EBE-42f5-9CE8-48735CBC5EB1}.exe

        • Path C:\Windows\{E9BFB5D0-0EBE-42f5-9CE8-48735CBC5EB1}.exe
        • Size 79KB
        • SHA256 1be234616af7746febd43fe4852d25101db05238e0c6a1d2f709c40e32a8cc1f
        • MD5 SHA1 SHA512 SSDEEP TLSH