Analysis
- max time kernel
148s - max time network
126s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
23/10/2026, 12:27
General
- Target 2026-10-23_4f4c506386331a405d804b3bffabf91f_elex_remcos_wannacry.exe
- Size 64KB
- Sample261023-pmx97sdy7l
- SHA256 348d8cbf25ff9aece2c3726a9f74cb8652be54ff68d6b9b63fc0ed661f16c9c6
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
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C:\Users\Admin\AppData\Local\Temp\2026-10-23_4f4c506386331a405d804b3bffabf91f_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-23_4f4c506386331a405d804b3bffabf91f_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
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C:\Windows\{0E5C4814-1933-47be-B441-615753B71315}.exeC:\Windows\{0E5C4814-1933-47be-B441-615753B71315}.exe2⤵
- 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
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C:\Windows\{24109505-4BE6-441f-9F0F-21BA9E7687B5}.exeC:\Windows\{24109505-4BE6-441f-9F0F-21BA9E7687B5}.exe3⤵
- 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
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C:\Windows\{B9C1B45B-BA0C-4628-BA18-E0B72A61028E}.exeC:\Windows\{B9C1B45B-BA0C-4628-BA18-E0B72A61028E}.exe4⤵
- 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
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C:\Windows\{D58AD573-3408-405b-A64B-E35A38565CC1}.exeC:\Windows\{D58AD573-3408-405b-A64B-E35A38565CC1}.exe5⤵
- 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
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C:\Windows\{72E617C9-2755-495f-ABEA-97CD64F36FFC}.exeC:\Windows\{72E617C9-2755-495f-ABEA-97CD64F36FFC}.exe6⤵
- 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
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C:\Windows\{4F6E0F98-2548-47d3-8238-1C95B71B2035}.exeC:\Windows\{4F6E0F98-2548-47d3-8238-1C95B71B2035}.exe7⤵
- 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
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C:\Windows\{40AF29F0-6502-47ec-ADEA-1446BF23C83E}.exeC:\Windows\{40AF29F0-6502-47ec-ADEA-1446BF23C83E}.exe8⤵
- 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
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C:\Windows\{7906A6CE-6F3B-4e82-AAA2-81EA8DB1EBDD}.exeC:\Windows\{7906A6CE-6F3B-4e82-AAA2-81EA8DB1EBDD}.exe9⤵
- 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
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C:\Windows\{45C57CA3-A384-4856-8378-422E8DF87EAE}.exeC:\Windows\{45C57CA3-A384-4856-8378-422E8DF87EAE}.exe10⤵
- 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
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C:\Windows\{1F7FD432-AE5D-411a-B167-0314B7D89EF9}.exeC:\Windows\{1F7FD432-AE5D-411a-B167-0314B7D89EF9}.exe11⤵
- 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
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C:\Windows\{2E683AA7-2746-4a78-B813-A3DC77B5E7BA}.exeC:\Windows\{2E683AA7-2746-4a78-B813-A3DC77B5E7BA}.exe12⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{1F7FD~1.EXE > nul12⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{45C57~1.EXE > nul11⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{7906A~1.EXE > nul10⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{40AF2~1.EXE > nul9⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{4F6E0~1.EXE > nul8⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{72E61~1.EXE > nul7⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{D58AD~1.EXE > nul6⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{B9C1B~1.EXE > nul5⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{24109~1.EXE > nul4⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{0E5C4~1.EXE > nul3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2026-1~1.EXE > nul2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
{0E5C4814-1933-47be-B441-615753B71315}.exe
{1F7FD432-AE5D-411a-B167-0314B7D89EF9}.exe
{24109505-4BE6-441f-9F0F-21BA9E7687B5}.exe
{2E683AA7-2746-4a78-B813-A3DC77B5E7BA}.exe
{40AF29F0-6502-47ec-ADEA-1446BF23C83E}.exe
{45C57CA3-A384-4856-8378-422E8DF87EAE}.exe
{4F6E0F98-2548-47d3-8238-1C95B71B2035}.exe
{72E617C9-2755-495f-ABEA-97CD64F36FFC}.exe
{7906A6CE-6F3B-4e82-AAA2-81EA8DB1EBDD}.exe
{B9C1B45B-BA0C-4628-BA18-E0B72A61028E}.exe
{D58AD573-3408-405b-A64B-E35A38565CC1}.exe
memory/3268-56-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3268-61-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3388-19-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3388-14-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3664-77-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3980-54-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3980-49-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4076-7-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4076-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4076-1-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4604-35-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4604-40-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4908-70-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4908-75-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4940-21-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4940-28-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5100-12-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5100-6-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5176-47-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5176-42-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5880-34-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5880-27-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5896-63-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5896-68-0x0000000000400000-0x0000000000410000-memory.dmp