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
    12/08/2026, 13:02

General

  • Target
    2026-08-12_8ac18cc681200bbd6a94612ada7d48a3_elex_remcos_wannacry.exe
  • Size 79KB
  • Sample260812-p94eqsgr21
  • SHA256 97be6859e78fc6d890c2f0988bcc0efd6f650db7636900466e2a8f13435feda6
  • 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\2026-08-12_8ac18cc681200bbd6a94612ada7d48a3_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-12_8ac18cc681200bbd6a94612ada7d48a3_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:3860
    • C:\Windows\{F91A5B4A-4428-4bde-BEED-99654698619F}.exe
      C:\Windows\{F91A5B4A-4428-4bde-BEED-99654698619F}.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:572
      • C:\Windows\{DC61591B-1F29-4317-B3E9-2C14162BD0BD}.exe
        C:\Windows\{DC61591B-1F29-4317-B3E9-2C14162BD0BD}.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:3700
        • C:\Windows\{8AF8563F-D3B1-4e3c-BD9A-EACBDAE00AAE}.exe
          C:\Windows\{8AF8563F-D3B1-4e3c-BD9A-EACBDAE00AAE}.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:820
          • C:\Windows\{56C9BD34-A4D6-4dd1-AC97-206F97876BC3}.exe
            C:\Windows\{56C9BD34-A4D6-4dd1-AC97-206F97876BC3}.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:1880
            • C:\Windows\{32673E48-244C-487c-A9C5-1F8014E11799}.exe
              C:\Windows\{32673E48-244C-487c-A9C5-1F8014E11799}.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:1340
              • C:\Windows\{A1329F40-DDDA-494e-AD55-C0052161CB51}.exe
                C:\Windows\{A1329F40-DDDA-494e-AD55-C0052161CB51}.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:4128
                • C:\Windows\{B3F3A61C-4C2B-49cd-A62D-D90F5E202F89}.exe
                  C:\Windows\{B3F3A61C-4C2B-49cd-A62D-D90F5E202F89}.exe
                  8⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:3708
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{A1329~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:4400
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{32673~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:1412
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{56C9B~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:3840
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{8AF85~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:4248
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{DC615~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:4200
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{F91A5~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:2748
    • 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:4888

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {32673E48-244C-487c-A9C5-1F8014E11799}.exe

        • Path C:\Windows\{32673E48-244C-487c-A9C5-1F8014E11799}.exe
        • Size 79KB
        • SHA256 4d26d097c4886d0e83392418b355ccb74e0cc6602c306d3d6b0c9e58c949a625
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {56C9BD34-A4D6-4dd1-AC97-206F97876BC3}.exe

        • Path C:\Windows\{56C9BD34-A4D6-4dd1-AC97-206F97876BC3}.exe
        • Size 79KB
        • SHA256 5fd488eacab17b1f208599b6254c5cc18c6991c78ccf2d1f2999361c7898a519
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8AF8563F-D3B1-4e3c-BD9A-EACBDAE00AAE}.exe

        • Path C:\Windows\{8AF8563F-D3B1-4e3c-BD9A-EACBDAE00AAE}.exe
        • Size 79KB
        • SHA256 eb68b884a5b140999e292cadbac0bda8b114823092a194f771069ecae8bf4746
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A1329F40-DDDA-494e-AD55-C0052161CB51}.exe

        • Path C:\Windows\{A1329F40-DDDA-494e-AD55-C0052161CB51}.exe
        • Size 79KB
        • SHA256 b2fff2eaf3a5d69c5b5613145a7a07befe484a5f146271bb9e10f6b65ce7a2e2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {B3F3A61C-4C2B-49cd-A62D-D90F5E202F89}.exe

        • Path C:\Windows\{B3F3A61C-4C2B-49cd-A62D-D90F5E202F89}.exe
        • Size 79KB
        • SHA256 d633268cb7a6751a50d51f5f1178c679f38cf60377b4a01e1ec2e3438f303f67
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {DC61591B-1F29-4317-B3E9-2C14162BD0BD}.exe

        • Path C:\Windows\{DC61591B-1F29-4317-B3E9-2C14162BD0BD}.exe
        • Size 79KB
        • SHA256 344cb34d3cb9c6d4d28309037d67957e91d454939a59e74c9b9a23f4318a9650
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F91A5B4A-4428-4bde-BEED-99654698619F}.exe

        • Path C:\Windows\{F91A5B4A-4428-4bde-BEED-99654698619F}.exe
        • Size 79KB
        • SHA256 e5da866f8ddf211d4cba3950f33b911929beaacd087b215b8d4f06cf574f65d2
        • MD5 SHA1 SHA512 SSDEEP TLSH