Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/08/2026, 20:31

General

  • Target
    2026-08-24_f0c18fc4d27e806b2488ee575430d42d_elex_remcos_wannacry.exe
  • Size 64KB
  • Sample260824-zatflack2w
  • SHA256 b3da2223a5d7f587f45f5736ff38e6cbf0d89d636175b3ff4e02540f9d1be7a5
  • 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\2026-08-24_f0c18fc4d27e806b2488ee575430d42d_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-24_f0c18fc4d27e806b2488ee575430d42d_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:3324
    • C:\Windows\{B72FF7DE-3109-402e-BF3B-4772ABF8A30E}.exe
      C:\Windows\{B72FF7DE-3109-402e-BF3B-4772ABF8A30E}.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:5372
      • C:\Windows\{4ECCCCB7-0796-4401-81D8-AD5F476360EA}.exe
        C:\Windows\{4ECCCCB7-0796-4401-81D8-AD5F476360EA}.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:6076
        • C:\Windows\{185FE549-5CF4-4967-8DA0-AD39D399183B}.exe
          C:\Windows\{185FE549-5CF4-4967-8DA0-AD39D399183B}.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:5172
          • C:\Windows\{8324E0F0-5BD9-4b1e-9DDB-5B2918195C0B}.exe
            C:\Windows\{8324E0F0-5BD9-4b1e-9DDB-5B2918195C0B}.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:5760
            • C:\Windows\{B576BD5E-DA71-4351-B77F-3B20DED1CA3A}.exe
              C:\Windows\{B576BD5E-DA71-4351-B77F-3B20DED1CA3A}.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:480
              • C:\Windows\{C1FEFFE1-697A-4abf-8D37-F463DB06863D}.exe
                C:\Windows\{C1FEFFE1-697A-4abf-8D37-F463DB06863D}.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:4952
                • C:\Windows\{73AE9294-1030-4dc1-8CC6-4CFD2B5ABA3F}.exe
                  C:\Windows\{73AE9294-1030-4dc1-8CC6-4CFD2B5ABA3F}.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:5548
                  • C:\Windows\{B74308D2-638F-4a1b-9F89-27A82953D23C}.exe
                    C:\Windows\{B74308D2-638F-4a1b-9F89-27A82953D23C}.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:4120
                    • C:\Windows\{0FE02FE9-DF2D-4fc2-AD6A-3CEFC6441214}.exe
                      C:\Windows\{0FE02FE9-DF2D-4fc2-AD6A-3CEFC6441214}.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:4452
                      • C:\Windows\{7FF106A3-5660-4d87-AC02-5152CD781BE0}.exe
                        C:\Windows\{7FF106A3-5660-4d87-AC02-5152CD781BE0}.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:2916
                        • C:\Windows\{EF7B177F-2451-4d20-ABA9-E279E82C1FB8}.exe
                          C:\Windows\{EF7B177F-2451-4d20-ABA9-E279E82C1FB8}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:1716
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{7FF10~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:4300
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{0FE02~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:2400
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{B7430~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:5992
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{73AE9~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:5864
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{C1FEF~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:3148
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{B576B~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:4016
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{8324E~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:4672
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{185FE~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:616
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{4ECCC~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:5752
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{B72FF~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:5796
    • 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:2040

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        {0FE02FE9-DF2D-4fc2-AD6A-3CEFC6441214}.exe

        • Path C:\Windows\{0FE02FE9-DF2D-4fc2-AD6A-3CEFC6441214}.exe
        • Size 64KB
        • SHA256 f2e4611328e91052521d338134a58f211d7fcb4df938801b5da7cb7e9e148194
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {185FE549-5CF4-4967-8DA0-AD39D399183B}.exe

        • Path C:\Windows\{185FE549-5CF4-4967-8DA0-AD39D399183B}.exe
        • Size 64KB
        • SHA256 336251324f679f4eceea05e0f62d52435f552b0462e6c81905f9cd3b20d12de9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {4ECCCCB7-0796-4401-81D8-AD5F476360EA}.exe

        • Path C:\Windows\{4ECCCCB7-0796-4401-81D8-AD5F476360EA}.exe
        • Size 64KB
        • SHA256 edb87fc92c568b0365f08355e851f90351d93a4dc83a3a7cad8c0bb150386e50
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {73AE9294-1030-4dc1-8CC6-4CFD2B5ABA3F}.exe

        • Path C:\Windows\{73AE9294-1030-4dc1-8CC6-4CFD2B5ABA3F}.exe
        • Size 64KB
        • SHA256 3f6b23aa240e84ec63dca78d0f21b7eaff9694125c8d4edc4990824cfd2484ef
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {7FF106A3-5660-4d87-AC02-5152CD781BE0}.exe

        • Path C:\Windows\{7FF106A3-5660-4d87-AC02-5152CD781BE0}.exe
        • Size 64KB
        • SHA256 22330309b533d803c1c9859cb77e2e377fddce0176b1ce222430e1d6561a9be2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8324E0F0-5BD9-4b1e-9DDB-5B2918195C0B}.exe

        • Path C:\Windows\{8324E0F0-5BD9-4b1e-9DDB-5B2918195C0B}.exe
        • Size 64KB
        • SHA256 2c8ce6382a1ef5d61800c284d0be062af66e0d0dceb72c4e971cd01426ce1bd7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {B576BD5E-DA71-4351-B77F-3B20DED1CA3A}.exe

        • Path C:\Windows\{B576BD5E-DA71-4351-B77F-3B20DED1CA3A}.exe
        • Size 64KB
        • SHA256 cfaf1d0f2c04a379712ce22c2ac742b2da13eacd5d52458e00be4ebac912f099
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {B72FF7DE-3109-402e-BF3B-4772ABF8A30E}.exe

        • Path C:\Windows\{B72FF7DE-3109-402e-BF3B-4772ABF8A30E}.exe
        • Size 64KB
        • SHA256 92c79ab96f28b3ad228a4fb7b7a375aac218a5a109a9446d1598e5e9e7b6e0a9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {B74308D2-638F-4a1b-9F89-27A82953D23C}.exe

        • Path C:\Windows\{B74308D2-638F-4a1b-9F89-27A82953D23C}.exe
        • Size 64KB
        • SHA256 60ec56267c4782263309318a1025f757845d46a46c90f2e8f457061d0b81f9df
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {C1FEFFE1-697A-4abf-8D37-F463DB06863D}.exe

        • Path C:\Windows\{C1FEFFE1-697A-4abf-8D37-F463DB06863D}.exe
        • Size 64KB
        • SHA256 d4f921e15114c8aff80199639460cecf71620b6cb5e5e89ea5202ec0c2509e8a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {EF7B177F-2451-4d20-ABA9-E279E82C1FB8}.exe

        • Path C:\Windows\{EF7B177F-2451-4d20-ABA9-E279E82C1FB8}.exe
        • Size 64KB
        • SHA256 b7fc9271db3952d09c5bbb010a4cdb570f03c389a049829386c7672a6286993c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/480-34-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/480-40-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1716-77-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2916-75-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2916-70-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3324-8-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3324-1-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3324-0-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4120-56-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4120-63-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4452-62-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4452-69-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4952-47-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4952-42-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5172-26-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5172-20-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5372-14-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5372-6-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5548-49-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5548-54-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5760-35-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5760-28-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6076-13-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6076-21-0x0000000000400000-0x0000000000410000-memory.dmp