Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/08/2026, 06:02

General

  • Target
    2026-08-19_34f51428309ec7e770d9fe97dcc250f5_elex_remcos_wannacry.exe
  • Size 64KB
  • Sample260819-grrdfsdd35
  • SHA256 d21fe4385455521b60518b068e3d825985ef50d455410e5335162eeb3174be03
  • 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 35 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 35 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\2026-08-19_34f51428309ec7e770d9fe97dcc250f5_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-19_34f51428309ec7e770d9fe97dcc250f5_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:4980
    • C:\Windows\{844F5DE4-EF5F-4c67-B082-CF10111E87B9}.exe
      C:\Windows\{844F5DE4-EF5F-4c67-B082-CF10111E87B9}.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:4640
      • C:\Windows\{346D0FA3-1780-489b-B147-11F982750F71}.exe
        C:\Windows\{346D0FA3-1780-489b-B147-11F982750F71}.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:5096
        • C:\Windows\{BF7F6675-7AE7-4f30-B91F-D25F3B15031A}.exe
          C:\Windows\{BF7F6675-7AE7-4f30-B91F-D25F3B15031A}.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:6048
          • C:\Windows\{281CC0F9-48CD-4313-8297-AABC2AAA3A99}.exe
            C:\Windows\{281CC0F9-48CD-4313-8297-AABC2AAA3A99}.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:360
            • C:\Windows\{D2090EED-77B3-4fc5-85B9-9A829361F618}.exe
              C:\Windows\{D2090EED-77B3-4fc5-85B9-9A829361F618}.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:5084
              • C:\Windows\{B46993CC-035E-4dbd-AADA-0A581023634C}.exe
                C:\Windows\{B46993CC-035E-4dbd-AADA-0A581023634C}.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:4248
                • C:\Windows\{2FE35110-8561-4881-8B7D-D7E345F2307C}.exe
                  C:\Windows\{2FE35110-8561-4881-8B7D-D7E345F2307C}.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:5268
                  • C:\Windows\{71B15AFF-72A2-44d4-8DEB-EDAB3DCC4FF5}.exe
                    C:\Windows\{71B15AFF-72A2-44d4-8DEB-EDAB3DCC4FF5}.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:1096
                    • C:\Windows\{4A44B2EE-96EA-4ff7-B633-FF4B4D6621B3}.exe
                      C:\Windows\{4A44B2EE-96EA-4ff7-B633-FF4B4D6621B3}.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:568
                      • C:\Windows\{717D1C34-C476-4d8a-93D6-27D949A0A2D7}.exe
                        C:\Windows\{717D1C34-C476-4d8a-93D6-27D949A0A2D7}.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:4832
                        • C:\Windows\{5E02A72B-11CA-446d-BD6E-C188E8E43B2C}.exe
                          C:\Windows\{5E02A72B-11CA-446d-BD6E-C188E8E43B2C}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:3868
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{717D1~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:4280
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{4A44B~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:4488
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{71B15~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:4636
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{2FE35~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:1932
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{B4699~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:5272
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{D2090~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:1808
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{281CC~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:5572
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{BF7F6~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:256
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{346D0~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:5580
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{844F5~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:4780
    • 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:4080

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        {281CC0F9-48CD-4313-8297-AABC2AAA3A99}.exe

        • Path C:\Windows\{281CC0F9-48CD-4313-8297-AABC2AAA3A99}.exe
        • Size 64KB
        • SHA256 ef46a7795a610280b75cf0d2dcd61ba089900fcefcb1d0da901302b72e764690
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {2FE35110-8561-4881-8B7D-D7E345F2307C}.exe

        • Path C:\Windows\{2FE35110-8561-4881-8B7D-D7E345F2307C}.exe
        • Size 64KB
        • SHA256 c18820b27db8e547d2ab04f41daeb2c143ff70f031b66dbef5aad4faa90cb177
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {346D0FA3-1780-489b-B147-11F982750F71}.exe

        • Path C:\Windows\{346D0FA3-1780-489b-B147-11F982750F71}.exe
        • Size 64KB
        • SHA256 423e4d00b69b6315aaf763ae4c9c6c27b92620629746b6fb89d955dfc9e699a6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {4A44B2EE-96EA-4ff7-B633-FF4B4D6621B3}.exe

        • Path C:\Windows\{4A44B2EE-96EA-4ff7-B633-FF4B4D6621B3}.exe
        • Size 64KB
        • SHA256 d70a744b2aef4e0c861e2044177c1b18843c7ddcc58d373803acc7672867df9d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5E02A72B-11CA-446d-BD6E-C188E8E43B2C}.exe

        • Path C:\Windows\{5E02A72B-11CA-446d-BD6E-C188E8E43B2C}.exe
        • Size 64KB
        • SHA256 bf344e02063cb0549f53de03a676bd874c5240dfa6fefe4f78a045c89eac05ad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {717D1C34-C476-4d8a-93D6-27D949A0A2D7}.exe

        • Path C:\Windows\{717D1C34-C476-4d8a-93D6-27D949A0A2D7}.exe
        • Size 64KB
        • SHA256 fa8377b04ad06eeaa06c9fbf53b8b00715bcae91bc0cc19ad9a3edc41e87bd5c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {71B15AFF-72A2-44d4-8DEB-EDAB3DCC4FF5}.exe

        • Path C:\Windows\{71B15AFF-72A2-44d4-8DEB-EDAB3DCC4FF5}.exe
        • Size 64KB
        • SHA256 6c0fa4c1077ab631db026c242b5c7ada4dc74eaf434abd020da321d88366c289
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {844F5DE4-EF5F-4c67-B082-CF10111E87B9}.exe

        • Path C:\Windows\{844F5DE4-EF5F-4c67-B082-CF10111E87B9}.exe
        • Size 64KB
        • SHA256 7c29abed7e462b82bb57f9cce8788dcae115d393b1f17cd1b106469a3327f02c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {B46993CC-035E-4dbd-AADA-0A581023634C}.exe

        • Path C:\Windows\{B46993CC-035E-4dbd-AADA-0A581023634C}.exe
        • Size 64KB
        • SHA256 3aaeab443cc49d37af2c8cfb551afe50bdb8ad9dad0658469b9ecf02b20ccf49
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {BF7F6675-7AE7-4f30-B91F-D25F3B15031A}.exe

        • Path C:\Windows\{BF7F6675-7AE7-4f30-B91F-D25F3B15031A}.exe
        • Size 64KB
        • SHA256 eaf2b944daf5f82f008e04b34b67ad293d75d733c3b329c84b3512c60c14e273
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {D2090EED-77B3-4fc5-85B9-9A829361F618}.exe

        • Path C:\Windows\{D2090EED-77B3-4fc5-85B9-9A829361F618}.exe
        • Size 64KB
        • SHA256 2044bc05e12121b580265d9caa22ed0fba47b30d60fafe0e8eddfc92825908f5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/360-28-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/360-34-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/568-63-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/568-68-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1096-55-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1096-62-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3868-77-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4248-47-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4248-42-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4640-14-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4640-6-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4832-70-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4832-76-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4980-8-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4980-1-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4980-0-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5084-35-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5084-40-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5096-20-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5096-13-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5268-56-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5268-49-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6048-21-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6048-26-0x0000000000400000-0x0000000000410000-memory.dmp