Analysis
- max time kernel
148s - max time network
115s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
31/07/2026, 02:49
General
- Target 2026-07-31_8efd3ede09950fda17da940ff65f4e2f_elex_remcos_wannacry.exe
- Size 64KB
- Sample260731-da66ssscqa
- SHA256 9721b08547a2d0666450106d1948e57fecf8389db08cb59d82b5656ce6a2492e
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 37 IoCs
- Detects Windows executables referencing non-Windows User-Agents 37 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\2026-07-31_8efd3ede09950fda17da940ff65f4e2f_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-31_8efd3ede09950fda17da940ff65f4e2f_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\{B1162543-BB8D-44c1-8508-1AC6E467B4D4}.exeC:\Windows\{B1162543-BB8D-44c1-8508-1AC6E467B4D4}.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\{259FE081-3120-4c9b-A874-CB65A730308F}.exeC:\Windows\{259FE081-3120-4c9b-A874-CB65A730308F}.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\{77956365-59FF-4a6d-BD13-89530F2A54C2}.exeC:\Windows\{77956365-59FF-4a6d-BD13-89530F2A54C2}.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\{F24557AE-9AD1-4e6e-941F-DE3C361E5581}.exeC:\Windows\{F24557AE-9AD1-4e6e-941F-DE3C361E5581}.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\{F367DE70-9A7F-4568-B7B9-FE2E102C8674}.exeC:\Windows\{F367DE70-9A7F-4568-B7B9-FE2E102C8674}.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\{41069B45-F665-4cfe-9E1F-1DA232931FED}.exeC:\Windows\{41069B45-F665-4cfe-9E1F-1DA232931FED}.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\{E1D773A4-A147-4924-932D-7CF1347399F0}.exeC:\Windows\{E1D773A4-A147-4924-932D-7CF1347399F0}.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\{D0AD1EFB-DCF5-4796-A613-660187D5E34B}.exeC:\Windows\{D0AD1EFB-DCF5-4796-A613-660187D5E34B}.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\{BB4166AA-8DF5-4514-A839-C5DEDD20D642}.exeC:\Windows\{BB4166AA-8DF5-4514-A839-C5DEDD20D642}.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\{D29E3E50-F61B-47a2-8EED-FA75E8F767CB}.exeC:\Windows\{D29E3E50-F61B-47a2-8EED-FA75E8F767CB}.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\{0F03A738-5EFD-40a6-AAA1-B4AAE215B633}.exeC:\Windows\{0F03A738-5EFD-40a6-AAA1-B4AAE215B633}.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\{D29E3~1.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\{BB416~1.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\{D0AD1~1.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\{E1D77~1.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\{41069~1.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\{F367D~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\{F2455~1.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\{77956~1.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\{259FE~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\{B1162~1.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
{0F03A738-5EFD-40a6-AAA1-B4AAE215B633}.exe
{259FE081-3120-4c9b-A874-CB65A730308F}.exe
{41069B45-F665-4cfe-9E1F-1DA232931FED}.exe
{77956365-59FF-4a6d-BD13-89530F2A54C2}.exe
{B1162543-BB8D-44c1-8508-1AC6E467B4D4}.exe
{BB4166AA-8DF5-4514-A839-C5DEDD20D642}.exe
{D0AD1EFB-DCF5-4796-A613-660187D5E34B}.exe
{D29E3E50-F61B-47a2-8EED-FA75E8F767CB}.exe
{E1D773A4-A147-4924-932D-7CF1347399F0}.exe
{F24557AE-9AD1-4e6e-941F-DE3C361E5581}.exe
{F367DE70-9A7F-4568-B7B9-FE2E102C8674}.exe
memory/1796-8-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1796-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1796-1-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1888-20-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1888-15-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2700-65-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2700-72-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2716-36-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2716-42-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3284-79-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4068-58-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4068-63-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4488-78-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4488-71-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5624-13-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5624-9-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5624-6-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5864-49-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5864-44-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5916-30-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5916-22-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5996-28-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5996-31-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5996-38-0x0000000000400000-0x0000000000410000-memory.dmp
memory/6000-56-0x0000000000400000-0x0000000000410000-memory.dmp
memory/6000-51-0x0000000000400000-0x0000000000410000-memory.dmp