Analysis
- max time kernel
148s - max time network
128s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
08/08/2026, 09:00
General
- Target 2026-08-08_198646830bd37e072addebce503f206d_elex_remcos_wannacry.exe
- Size 60KB
- Sample260808-kylnbsxthy
- SHA256 f30809af12f4d382f446f0075708422537891e52c2f7b7290a2154ea151c6d17
Score
10/10
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 11 IoCs
- Detects Windows executables referencing non-Windows User-Agents 11 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\2026-08-08_198646830bd37e072addebce503f206d_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-08_198646830bd37e072addebce503f206d_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\{D1155B95-E72B-4d4a-8571-86E105CC86B9}.exeC:\Windows\{D1155B95-E72B-4d4a-8571-86E105CC86B9}.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\{4D0DB4FA-94EB-4bc3-99EC-B6B7E80B26D7}.exeC:\Windows\{4D0DB4FA-94EB-4bc3-99EC-B6B7E80B26D7}.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
-
C:\Windows\{B4F25511-C71E-4fbf-A495-C3B761F83E5D}.exeC:\Windows\{B4F25511-C71E-4fbf-A495-C3B761F83E5D}.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\{19DC477D-3F8B-43c6-81F7-F8F412394651}.exeC:\Windows\{19DC477D-3F8B-43c6-81F7-F8F412394651}.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\{31328039-9E11-429a-868F-BCC6335B99CC}.exeC:\Windows\{31328039-9E11-429a-868F-BCC6335B99CC}.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\{91DAEE4F-CC39-44c0-9D62-01DF44FABE51}.exeC:\Windows\{91DAEE4F-CC39-44c0-9D62-01DF44FABE51}.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\{F80D30CC-6E9D-4075-804B-06032FF5BBB3}.exeC:\Windows\{F80D30CC-6E9D-4075-804B-06032FF5BBB3}.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\{EC8539EF-E231-417d-AAEE-BF79842B541E}.exeC:\Windows\{EC8539EF-E231-417d-AAEE-BF79842B541E}.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\{629524EA-1FC3-4619-B4DF-4F1ADC4FEBD2}.exeC:\Windows\{629524EA-1FC3-4619-B4DF-4F1ADC4FEBD2}.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\{8D376056-8B00-468a-8564-3D18AD40035B}.exeC:\Windows\{8D376056-8B00-468a-8564-3D18AD40035B}.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\{F78F4252-3679-44ac-974B-3461ABBBD8DD}.exeC:\Windows\{F78F4252-3679-44ac-974B-3461ABBBD8DD}.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\{8D376~1.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\{62952~1.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\{EC853~1.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\{F80D3~1.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\{91DAE~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\{31328~1.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\{19DC4~1.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\{B4F25~1.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\{4D0DB~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\{D1155~1.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\2026-0~1.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
{19DC477D-3F8B-43c6-81F7-F8F412394651}.exe
{31328039-9E11-429a-868F-BCC6335B99CC}.exe
{4D0DB4FA-94EB-4bc3-99EC-B6B7E80B26D7}.exe
{629524EA-1FC3-4619-B4DF-4F1ADC4FEBD2}.exe
{8D376056-8B00-468a-8564-3D18AD40035B}.exe
{91DAEE4F-CC39-44c0-9D62-01DF44FABE51}.exe
{B4F25511-C71E-4fbf-A495-C3B761F83E5D}.exe
{D1155B95-E72B-4d4a-8571-86E105CC86B9}.exe
{EC8539EF-E231-417d-AAEE-BF79842B541E}.exe
{F78F4252-3679-44ac-974B-3461ABBBD8DD}.exe
{F80D30CC-6E9D-4075-804B-06032FF5BBB3}.exe