Analysis

  • max time kernel
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/08/2026, 11:31

General

  • Target
    2026-08-15_0f0a87986b080c50c846ad7acd5e7d75_elex_remcos_wannacry.exe
  • Size 64KB
  • Sample260815-nmtfksverc
  • SHA256 ecfc37cacce160856924da038c23959ac063b31c1b29b57ef43c56781d51d83c
  • 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 37 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 37 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\2026-08-15_0f0a87986b080c50c846ad7acd5e7d75_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-15_0f0a87986b080c50c846ad7acd5e7d75_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:3116
    • C:\Windows\{50A8509E-E372-4a69-A3E6-60F4FF7AF40B}.exe
      C:\Windows\{50A8509E-E372-4a69-A3E6-60F4FF7AF40B}.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:1776
      • C:\Windows\{7740CFBA-99CD-478f-A0F6-FC64F7D7599A}.exe
        C:\Windows\{7740CFBA-99CD-478f-A0F6-FC64F7D7599A}.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:4092
        • C:\Windows\{319C3D39-8C8A-414f-9F88-61BDB52B447A}.exe
          C:\Windows\{319C3D39-8C8A-414f-9F88-61BDB52B447A}.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:3440
          • C:\Windows\{7BB5FCD6-051A-48d3-901A-247C1F1A6A6B}.exe
            C:\Windows\{7BB5FCD6-051A-48d3-901A-247C1F1A6A6B}.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:4516
            • C:\Windows\{B90A6FC4-86B9-4973-97E8-049C8E54EEE1}.exe
              C:\Windows\{B90A6FC4-86B9-4973-97E8-049C8E54EEE1}.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:3828
              • C:\Windows\{133389BD-738A-4e47-9FD6-EA851112BC71}.exe
                C:\Windows\{133389BD-738A-4e47-9FD6-EA851112BC71}.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:236
                • C:\Windows\{AFCB15A3-9677-4ac2-B2AF-5B9ADC75BC1E}.exe
                  C:\Windows\{AFCB15A3-9677-4ac2-B2AF-5B9ADC75BC1E}.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:4704
                  • C:\Windows\{52D80082-1877-4ca9-ACBD-55073E0F57E7}.exe
                    C:\Windows\{52D80082-1877-4ca9-ACBD-55073E0F57E7}.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:5796
                    • C:\Windows\{8A5AAE13-B140-4543-A647-380546469EC0}.exe
                      C:\Windows\{8A5AAE13-B140-4543-A647-380546469EC0}.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:1368
                      • C:\Windows\{B657D388-44E3-400d-BADF-87F4F31AC558}.exe
                        C:\Windows\{B657D388-44E3-400d-BADF-87F4F31AC558}.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:4232
                        • C:\Windows\{2CEF27F9-D408-4fe0-BABF-56609D47F57E}.exe
                          C:\Windows\{2CEF27F9-D408-4fe0-BABF-56609D47F57E}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:3468
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{B657D~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:5932
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{8A5AA~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:3412
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{52D80~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:3960
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{AFCB1~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:5048
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{13338~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:3132
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{B90A6~1.EXE > nul
                7⤵
                • 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\{7BB5F~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:5712
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{319C3~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:4656
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{7740C~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:4768
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{50A85~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:4868
    • 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:1432

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        {133389BD-738A-4e47-9FD6-EA851112BC71}.exe

        • Path C:\Windows\{133389BD-738A-4e47-9FD6-EA851112BC71}.exe
        • Size 64KB
        • SHA256 95e0dd24ba48fc0781a96d1de43040bd7af80c9042e7ed11d74dc7b19448a1c3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {2CEF27F9-D408-4fe0-BABF-56609D47F57E}.exe

        • Path C:\Windows\{2CEF27F9-D408-4fe0-BABF-56609D47F57E}.exe
        • Size 64KB
        • SHA256 1b820a4c7e4890025e5b70c5445cbbc140c9f169cce3a2dbfd633b68f3a69353
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {319C3D39-8C8A-414f-9F88-61BDB52B447A}.exe

        • Path C:\Windows\{319C3D39-8C8A-414f-9F88-61BDB52B447A}.exe
        • Size 64KB
        • SHA256 a53eaeafbf4876cac3171808919ff2eb45b36e93e6ea5f42273410cb9a220b16
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {50A8509E-E372-4a69-A3E6-60F4FF7AF40B}.exe

        • Path C:\Windows\{50A8509E-E372-4a69-A3E6-60F4FF7AF40B}.exe
        • Size 64KB
        • SHA256 736f08341dca3dade848fbf1c137735ab0cb756e5e963748fa7dd10ffec54930
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {52D80082-1877-4ca9-ACBD-55073E0F57E7}.exe

        • Path C:\Windows\{52D80082-1877-4ca9-ACBD-55073E0F57E7}.exe
        • Size 64KB
        • SHA256 b35e2bb29d5d70a08c8dde827f9d2f1df404a3e21d5de44f463ab948ffdd8ae0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {7740CFBA-99CD-478f-A0F6-FC64F7D7599A}.exe

        • Path C:\Windows\{7740CFBA-99CD-478f-A0F6-FC64F7D7599A}.exe
        • Size 64KB
        • SHA256 79a4e17ab7fced49f2cdaa72dba01feec947146925858833ddd1cedd8a7aaca9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {7BB5FCD6-051A-48d3-901A-247C1F1A6A6B}.exe

        • Path C:\Windows\{7BB5FCD6-051A-48d3-901A-247C1F1A6A6B}.exe
        • Size 64KB
        • SHA256 492b63d922781a6b6e004c392ab5643786e949e9c49434aaa99796f9ba16fd03
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8A5AAE13-B140-4543-A647-380546469EC0}.exe

        • Path C:\Windows\{8A5AAE13-B140-4543-A647-380546469EC0}.exe
        • Size 64KB
        • SHA256 e922cb3d5463e2f695683f67e3dddd78a9837e6e0598061d698caebbc85e7939
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {AFCB15A3-9677-4ac2-B2AF-5B9ADC75BC1E}.exe

        • Path C:\Windows\{AFCB15A3-9677-4ac2-B2AF-5B9ADC75BC1E}.exe
        • Size 64KB
        • SHA256 55ea9e837df6452ea002f4cd01b2a33aa8d935e981b851b307f064040b172e7b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {B657D388-44E3-400d-BADF-87F4F31AC558}.exe

        • Path C:\Windows\{B657D388-44E3-400d-BADF-87F4F31AC558}.exe
        • Size 64KB
        • SHA256 f3d18230d25ccc174ed087dabd797d4628e12f7586179a804e8df4f0c66e68bc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {B90A6FC4-86B9-4973-97E8-049C8E54EEE1}.exe

        • Path C:\Windows\{B90A6FC4-86B9-4973-97E8-049C8E54EEE1}.exe
        • Size 64KB
        • SHA256 951cf0cdfb2924f26dc41ff197cacfedd804af56acfdbcbe35f65a9592edb323
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/236-48-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/236-43-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1368-65-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1368-71-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1776-6-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1776-12-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3116-7-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3116-0-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3116-1-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3440-27-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3440-22-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3468-79-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3828-41-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3828-36-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4092-20-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4092-16-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4092-14-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4232-72-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4232-77-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4516-34-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4516-29-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4704-58-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4704-52-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4704-50-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5796-57-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5796-63-0x0000000000400000-0x0000000000410000-memory.dmp