Analysis
- max time kernel
150s - max time network
138s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
27/10/2026, 20:56
General
- Target 2026-10-27_f8f9addd519909628a759f69aa9f0b19_elex_remcos_wannacry.exe
- Size 60KB
- Sample261027-zrdfpsvv5p
- SHA256 f0af09caed37a01000428f7569d27c604137908177602ac923b8bfcea40f4182
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
- Custom signatureDetects 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\2026-10-27_f8f9addd519909628a759f69aa9f0b19_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-27_f8f9addd519909628a759f69aa9f0b19_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\{E4904BD7-C091-4df8-AE1B-16C3E5B63E77}.exeC:\Windows\{E4904BD7-C091-4df8-AE1B-16C3E5B63E77}.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\{F55521CC-6C51-46b6-A087-9393A8E6A2DE}.exeC:\Windows\{F55521CC-6C51-46b6-A087-9393A8E6A2DE}.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\{53F51D86-2650-480a-9223-170C93D20FC9}.exeC:\Windows\{53F51D86-2650-480a-9223-170C93D20FC9}.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\{2C4C3B38-DF6A-42bd-8D8D-3612608E1C43}.exeC:\Windows\{2C4C3B38-DF6A-42bd-8D8D-3612608E1C43}.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\{9B9F00B3-F928-4660-B649-01F882DFB724}.exeC:\Windows\{9B9F00B3-F928-4660-B649-01F882DFB724}.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\{59BFA6BC-E84C-49d2-BED1-D7F9EF5FFC87}.exeC:\Windows\{59BFA6BC-E84C-49d2-BED1-D7F9EF5FFC87}.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\{9E24B0A2-F373-4e32-86FE-A92CE77F5B55}.exeC:\Windows\{9E24B0A2-F373-4e32-86FE-A92CE77F5B55}.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\{B2BC0CE7-ED10-4e74-9567-E174AC05A5C6}.exeC:\Windows\{B2BC0CE7-ED10-4e74-9567-E174AC05A5C6}.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\{A5CD17BD-30A3-4e28-A462-D010AE1F8164}.exeC:\Windows\{A5CD17BD-30A3-4e28-A462-D010AE1F8164}.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\{A401C788-BF68-41f8-89AC-BE8220EED867}.exeC:\Windows\{A401C788-BF68-41f8-89AC-BE8220EED867}.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\{16831377-D07E-4840-A1F3-22FB6D651A04}.exeC:\Windows\{16831377-D07E-4840-A1F3-22FB6D651A04}.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\{A401C~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\{A5CD1~1.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\{B2BC0~1.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\{9E24B~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\{59BFA~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\{9B9F0~1.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\{2C4C3~1.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\{53F51~1.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\{F5552~1.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\{E4904~1.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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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
{16831377-D07E-4840-A1F3-22FB6D651A04}.exe
{2C4C3B38-DF6A-42bd-8D8D-3612608E1C43}.exe
{53F51D86-2650-480a-9223-170C93D20FC9}.exe
{59BFA6BC-E84C-49d2-BED1-D7F9EF5FFC87}.exe
{9B9F00B3-F928-4660-B649-01F882DFB724}.exe
{9E24B0A2-F373-4e32-86FE-A92CE77F5B55}.exe
{A401C788-BF68-41f8-89AC-BE8220EED867}.exe
{A5CD17BD-30A3-4e28-A462-D010AE1F8164}.exe
{B2BC0CE7-ED10-4e74-9567-E174AC05A5C6}.exe
{E4904BD7-C091-4df8-AE1B-16C3E5B63E77}.exe
{F55521CC-6C51-46b6-A087-9393A8E6A2DE}.exe