Analysis

  • max time kernel
    148s
  • max time network
    128s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/10/2026, 00:52

General

  • Target
    2026-10-22_fb111468f65ac9533ac69a90c3943198_elex_remcos_wannacry.exe
  • Size 64KB
  • Sample261023-a8f6gsgz21
  • SHA256 515f8999fe4a8d991a0bcb0d288de1c7e02d8cef729236199bedde4344ca5f91
  • 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 36 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 36 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\2026-10-22_fb111468f65ac9533ac69a90c3943198_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-22_fb111468f65ac9533ac69a90c3943198_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:4428
    • C:\Windows\{8BE56881-10F7-4e2f-B132-E228111B0A99}.exe
      C:\Windows\{8BE56881-10F7-4e2f-B132-E228111B0A99}.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:3068
      • C:\Windows\{F77EDDD9-55D6-4bea-8863-643E932BE5A8}.exe
        C:\Windows\{F77EDDD9-55D6-4bea-8863-643E932BE5A8}.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:5064
        • C:\Windows\{E1A8807B-4808-48ff-9044-045C6BF9C48A}.exe
          C:\Windows\{E1A8807B-4808-48ff-9044-045C6BF9C48A}.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:5536
          • C:\Windows\{FEB3745A-0C71-49c7-81B9-B92E9540A57C}.exe
            C:\Windows\{FEB3745A-0C71-49c7-81B9-B92E9540A57C}.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:4448
            • C:\Windows\{F28F01CF-5119-4ea4-8A4A-DD09A15F9F04}.exe
              C:\Windows\{F28F01CF-5119-4ea4-8A4A-DD09A15F9F04}.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:120
              • C:\Windows\{B24CD097-E062-4acb-96A9-F1A0CBD36322}.exe
                C:\Windows\{B24CD097-E062-4acb-96A9-F1A0CBD36322}.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:4868
                • C:\Windows\{548FA688-9DC4-4482-9E5C-DCA173848BFE}.exe
                  C:\Windows\{548FA688-9DC4-4482-9E5C-DCA173848BFE}.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:2276
                  • C:\Windows\{245A651F-B773-4c51-B358-185AE6EEC26F}.exe
                    C:\Windows\{245A651F-B773-4c51-B358-185AE6EEC26F}.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:964
                    • C:\Windows\{D39CD22F-443C-490b-9C9F-7E840372E156}.exe
                      C:\Windows\{D39CD22F-443C-490b-9C9F-7E840372E156}.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:832
                      • C:\Windows\{01BB592E-6039-437a-93AB-D693AC219C3D}.exe
                        C:\Windows\{01BB592E-6039-437a-93AB-D693AC219C3D}.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:3428
                        • C:\Windows\{CC139107-20C2-4792-B44B-F88F47CB31D4}.exe
                          C:\Windows\{CC139107-20C2-4792-B44B-F88F47CB31D4}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:4408
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{01BB5~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:3400
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{D39CD~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:5360
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{245A6~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:4916
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{548FA~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:2268
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{B24CD~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:3724
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{F28F0~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:5760
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{FEB37~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:304
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{E1A88~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:5584
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{F77ED~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:2732
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{8BE56~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:1832
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2026-1~1.EXE > nul
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:2680

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        {01BB592E-6039-437a-93AB-D693AC219C3D}.exe

        • Path C:\Windows\{01BB592E-6039-437a-93AB-D693AC219C3D}.exe
        • Size 64KB
        • SHA256 98e387de7d1cef66bcd955ca5c5b80a4553373526f6f4e75d131fd3ad2bf1d6d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {245A651F-B773-4c51-B358-185AE6EEC26F}.exe

        • Path C:\Windows\{245A651F-B773-4c51-B358-185AE6EEC26F}.exe
        • Size 64KB
        • SHA256 624f7f77445ed6d60682d22ad47e227eb96ab59632f8e69566a108a04a87020c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {548FA688-9DC4-4482-9E5C-DCA173848BFE}.exe

        • Path C:\Windows\{548FA688-9DC4-4482-9E5C-DCA173848BFE}.exe
        • Size 64KB
        • SHA256 9a2bdfb7ea90d06fdbef3eba4da0b6dd93ea742beb639ecc352da81f0afafc39
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8BE56881-10F7-4e2f-B132-E228111B0A99}.exe

        • Path C:\Windows\{8BE56881-10F7-4e2f-B132-E228111B0A99}.exe
        • Size 64KB
        • SHA256 b3e10ba0868d94e74852c1b772588ea26b85c96a524a40e1784046c83de7eaa4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {B24CD097-E062-4acb-96A9-F1A0CBD36322}.exe

        • Path C:\Windows\{B24CD097-E062-4acb-96A9-F1A0CBD36322}.exe
        • Size 64KB
        • SHA256 40f62e59854a0271b22568583b6d389f81dbdf9bf40894500186fffee2f5e9e3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {CC139107-20C2-4792-B44B-F88F47CB31D4}.exe

        • Path C:\Windows\{CC139107-20C2-4792-B44B-F88F47CB31D4}.exe
        • Size 64KB
        • SHA256 1e7cb17b9423da75b1380aa7511cd273ea89cf80f123e2c81e6905a37143ce86
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {D39CD22F-443C-490b-9C9F-7E840372E156}.exe

        • Path C:\Windows\{D39CD22F-443C-490b-9C9F-7E840372E156}.exe
        • Size 64KB
        • SHA256 0d5c0471ca89472aae789a0e80ef476a89f0058c5a82ee861db2da615f4eeaf0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E1A8807B-4808-48ff-9044-045C6BF9C48A}.exe

        • Path C:\Windows\{E1A8807B-4808-48ff-9044-045C6BF9C48A}.exe
        • Size 64KB
        • SHA256 2390b79b70788115e7544acd67e2c24668285b867742822a5b0444f2b266ff29
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F28F01CF-5119-4ea4-8A4A-DD09A15F9F04}.exe

        • Path C:\Windows\{F28F01CF-5119-4ea4-8A4A-DD09A15F9F04}.exe
        • Size 64KB
        • SHA256 986963209909a0bbd63ac9d154f3b934c98d312ff4d09adea10ad1fa4386d390
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F77EDDD9-55D6-4bea-8863-643E932BE5A8}.exe

        • Path C:\Windows\{F77EDDD9-55D6-4bea-8863-643E932BE5A8}.exe
        • Size 64KB
        • SHA256 1f7401cfe6acf1e62ddd1c6723d9804634aaa755dc28d3b8070da54e234e34ec
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {FEB3745A-0C71-49c7-81B9-B92E9540A57C}.exe

        • Path C:\Windows\{FEB3745A-0C71-49c7-81B9-B92E9540A57C}.exe
        • Size 64KB
        • SHA256 cd1c1d56993c72e18ea0e91efde60b98cb2ced4b3982763bc69184d135590049
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/120-40-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/120-35-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/832-63-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/832-68-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/964-61-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/964-56-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2276-49-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2276-54-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3068-12-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3068-6-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3428-77-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3428-72-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3428-70-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4408-78-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4428-1-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4428-0-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4428-8-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4448-27-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4448-33-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4868-47-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4868-42-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5064-14-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5064-19-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5536-21-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5536-28-0x0000000000400000-0x0000000000410000-memory.dmp