Analysis
- max time kernel
148s - max time network
134s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
05/08/2026, 18:33
General
- Target 2026-08-05_55f88251f83a272cec26d7f2665ad359_elex_remcos_wannacry.exe
- Size 64KB
- Sample260805-w7ef6adr5x
- SHA256 99e244e0d9717252f120e0272fcb46936f39125f7797e1b31a9f5d8e41bb1ae4
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\2026-08-05_55f88251f83a272cec26d7f2665ad359_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-05_55f88251f83a272cec26d7f2665ad359_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\{19DB9D0C-1273-407b-B7BB-A5AB98E22970}.exeC:\Windows\{19DB9D0C-1273-407b-B7BB-A5AB98E22970}.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
-
C:\Windows\{40E78EC7-A4A8-405a-9243-643FD9E367E9}.exeC:\Windows\{40E78EC7-A4A8-405a-9243-643FD9E367E9}.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\{DF358244-98F6-47ce-AB5A-66031AB2450D}.exeC:\Windows\{DF358244-98F6-47ce-AB5A-66031AB2450D}.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\{5025BC4D-6C9F-4d8d-8CCF-890324763B2C}.exeC:\Windows\{5025BC4D-6C9F-4d8d-8CCF-890324763B2C}.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\{88901790-8E44-4cfa-AA4D-D1EEFA722C34}.exeC:\Windows\{88901790-8E44-4cfa-AA4D-D1EEFA722C34}.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\{B924D4EB-4DD1-45e6-BA75-6EA486C18441}.exeC:\Windows\{B924D4EB-4DD1-45e6-BA75-6EA486C18441}.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\{3014A6C1-8E81-42ec-9FF3-BF30B0712751}.exeC:\Windows\{3014A6C1-8E81-42ec-9FF3-BF30B0712751}.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\{24EF657E-F246-44f0-8E77-2A68F8FC9BDC}.exeC:\Windows\{24EF657E-F246-44f0-8E77-2A68F8FC9BDC}.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\{2731F254-AD32-412e-B002-66AB13897556}.exeC:\Windows\{2731F254-AD32-412e-B002-66AB13897556}.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\{91F00D75-6D28-44ca-BE8C-FF7CCBE65127}.exeC:\Windows\{91F00D75-6D28-44ca-BE8C-FF7CCBE65127}.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\{0734986F-D210-4ad9-93DF-22903C6F073A}.exeC:\Windows\{0734986F-D210-4ad9-93DF-22903C6F073A}.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\{91F00~1.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\{2731F~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\{24EF6~1.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\{3014A~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\{B924D~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\{88901~1.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\{5025B~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\{DF358~1.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\{40E78~1.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\{19DB9~1.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
{0734986F-D210-4ad9-93DF-22903C6F073A}.exe
{19DB9D0C-1273-407b-B7BB-A5AB98E22970}.exe
{24EF657E-F246-44f0-8E77-2A68F8FC9BDC}.exe
{2731F254-AD32-412e-B002-66AB13897556}.exe
{3014A6C1-8E81-42ec-9FF3-BF30B0712751}.exe
{40E78EC7-A4A8-405a-9243-643FD9E367E9}.exe
{5025BC4D-6C9F-4d8d-8CCF-890324763B2C}.exe
{88901790-8E44-4cfa-AA4D-D1EEFA722C34}.exe
{91F00D75-6D28-44ca-BE8C-FF7CCBE65127}.exe
{B924D4EB-4DD1-45e6-BA75-6EA486C18441}.exe
{DF358244-98F6-47ce-AB5A-66031AB2450D}.exe
memory/620-14-0x0000000000400000-0x0000000000410000-memory.dmp
memory/620-19-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1484-21-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1484-26-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3204-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3204-7-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3204-1-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4308-77-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4408-6-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4408-12-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4428-54-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4428-49-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4468-56-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4468-61-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4612-40-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4612-35-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4864-33-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4864-28-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5176-48-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5176-42-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5448-63-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5448-68-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5608-70-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5608-75-0x0000000000400000-0x0000000000410000-memory.dmp