Analysis
- max time kernel
148s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
20/08/2026, 22:09
General
- Target 2026-08-20_28b3461fb4b315022a012fdcf0760309_elex_remcos_wannacry.exe
- Size 64KB
- Sample260820-12vcmsbm21
- SHA256 5870603f12f76d4eec6f20306dd2d7903685ed3e11534474b3edaa90cdc463f8
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\2026-08-20_28b3461fb4b315022a012fdcf0760309_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_28b3461fb4b315022a012fdcf0760309_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\{B3252689-6E66-4ec2-9565-0884A1461018}.exeC:\Windows\{B3252689-6E66-4ec2-9565-0884A1461018}.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\{20BC952D-EFFE-4ca3-BC85-FDBE37DBB7DB}.exeC:\Windows\{20BC952D-EFFE-4ca3-BC85-FDBE37DBB7DB}.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\{4493CFD3-5E72-4f50-8BFA-D9119765D48C}.exeC:\Windows\{4493CFD3-5E72-4f50-8BFA-D9119765D48C}.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\{4D5FE6F2-C5E2-4df3-ABA6-108DD36A2C83}.exeC:\Windows\{4D5FE6F2-C5E2-4df3-ABA6-108DD36A2C83}.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\{F2AC0472-B2CD-4e70-BD4C-663754FE1213}.exeC:\Windows\{F2AC0472-B2CD-4e70-BD4C-663754FE1213}.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\{569AF865-9070-484f-AD07-78981119BFC0}.exeC:\Windows\{569AF865-9070-484f-AD07-78981119BFC0}.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\{298F2D54-C3D9-4dea-8318-B1420F310A7B}.exeC:\Windows\{298F2D54-C3D9-4dea-8318-B1420F310A7B}.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\{7B27BFC6-FB83-445e-97F3-6E46719253FF}.exeC:\Windows\{7B27BFC6-FB83-445e-97F3-6E46719253FF}.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\{07B80DAF-7BF9-4766-95F6-04C4CFE3B01B}.exeC:\Windows\{07B80DAF-7BF9-4766-95F6-04C4CFE3B01B}.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\{936C0A95-C9B3-4334-9A7A-F325F65623A0}.exeC:\Windows\{936C0A95-C9B3-4334-9A7A-F325F65623A0}.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\{89266B4D-8D83-4df3-B801-FCFA9FDA7825}.exeC:\Windows\{89266B4D-8D83-4df3-B801-FCFA9FDA7825}.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\{936C0~1.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\{07B80~1.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\{7B27B~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\{298F2~1.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\{569AF~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\{F2AC0~1.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\{4D5FE~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\{4493C~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\{20BC9~1.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\{B3252~1.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
{07B80DAF-7BF9-4766-95F6-04C4CFE3B01B}.exe
{20BC952D-EFFE-4ca3-BC85-FDBE37DBB7DB}.exe
{298F2D54-C3D9-4dea-8318-B1420F310A7B}.exe
{4493CFD3-5E72-4f50-8BFA-D9119765D48C}.exe
{4D5FE6F2-C5E2-4df3-ABA6-108DD36A2C83}.exe
{569AF865-9070-484f-AD07-78981119BFC0}.exe
{7B27BFC6-FB83-445e-97F3-6E46719253FF}.exe
{89266B4D-8D83-4df3-B801-FCFA9FDA7825}.exe
{936C0A95-C9B3-4334-9A7A-F325F65623A0}.exe
{B3252689-6E66-4ec2-9565-0884A1461018}.exe
{F2AC0472-B2CD-4e70-BD4C-663754FE1213}.exe
memory/800-14-0x0000000000400000-0x0000000000410000-memory.dmp
memory/800-21-0x0000000000400000-0x0000000000410000-memory.dmp
memory/980-28-0x0000000000400000-0x0000000000410000-memory.dmp
memory/980-20-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1460-47-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1460-42-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2128-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2128-8-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2128-1-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2812-70-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2812-63-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2900-75-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2900-69-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3036-33-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3036-27-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4528-13-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4528-6-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4636-77-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4996-54-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4996-49-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5036-62-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5036-56-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5948-40-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5948-35-0x0000000000400000-0x0000000000410000-memory.dmp