Analysis
- max time kernel
150s - max time network
116s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
20/08/2026, 17:19
General
- Target 2026-08-20_b0869484617a5cc50374b53d58bfe42f_elex_remcos_wannacry.exe
- Size 59KB
- Sample260820-vv97masara
- SHA256 457b58ddb038af63dc7305ecbab00b4f3a62970157a7d22c42fd953be085c0b8
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\2026-08-20_b0869484617a5cc50374b53d58bfe42f_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_b0869484617a5cc50374b53d58bfe42f_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\{526B7C91-2873-405f-A837-C6F48CCC65DC}.exeC:\Windows\{526B7C91-2873-405f-A837-C6F48CCC65DC}.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\{5D085663-E9DE-427b-A014-17352D8B0B58}.exeC:\Windows\{5D085663-E9DE-427b-A014-17352D8B0B58}.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\{9D035EC8-2CB1-400e-A43B-67CBEA4ABFF8}.exeC:\Windows\{9D035EC8-2CB1-400e-A43B-67CBEA4ABFF8}.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\{7BC2B2AF-267F-42f0-9F28-B415A166A6FE}.exeC:\Windows\{7BC2B2AF-267F-42f0-9F28-B415A166A6FE}.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\{31EC70E7-E93E-4561-B698-7C99956F7E1E}.exeC:\Windows\{31EC70E7-E93E-4561-B698-7C99956F7E1E}.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\{1E244334-82BA-4a45-B0D5-9C2C129CB067}.exeC:\Windows\{1E244334-82BA-4a45-B0D5-9C2C129CB067}.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\{E84F7A10-2DCB-4e4e-9259-FCE1CBD616B0}.exeC:\Windows\{E84F7A10-2DCB-4e4e-9259-FCE1CBD616B0}.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\{C1E78847-8693-4bd2-9157-EB5103968B48}.exeC:\Windows\{C1E78847-8693-4bd2-9157-EB5103968B48}.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\{31F1B1FB-68CC-440f-BDCE-EE30CCB03CDD}.exeC:\Windows\{31F1B1FB-68CC-440f-BDCE-EE30CCB03CDD}.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\{BEF53EA6-EE9C-46ca-9822-745A14E0D0C6}.exeC:\Windows\{BEF53EA6-EE9C-46ca-9822-745A14E0D0C6}.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\{753C2DEC-66AF-49a8-B2F8-9DF42A963963}.exeC:\Windows\{753C2DEC-66AF-49a8-B2F8-9DF42A963963}.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\{BEF53~1.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\{31F1B~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\{C1E78~1.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\{E84F7~1.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\{1E244~1.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\{31EC7~1.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\{7BC2B~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\{9D035~1.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\{5D085~1.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\{526B7~1.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
{1E244334-82BA-4a45-B0D5-9C2C129CB067}.exe
{31EC70E7-E93E-4561-B698-7C99956F7E1E}.exe
{31F1B1FB-68CC-440f-BDCE-EE30CCB03CDD}.exe
{526B7C91-2873-405f-A837-C6F48CCC65DC}.exe
{5D085663-E9DE-427b-A014-17352D8B0B58}.exe
{753C2DEC-66AF-49a8-B2F8-9DF42A963963}.exe
{7BC2B2AF-267F-42f0-9F28-B415A166A6FE}.exe
{9D035EC8-2CB1-400e-A43B-67CBEA4ABFF8}.exe
{BEF53EA6-EE9C-46ca-9822-745A14E0D0C6}.exe
{C1E78847-8693-4bd2-9157-EB5103968B48}.exe
{E84F7A10-2DCB-4e4e-9259-FCE1CBD616B0}.exe