Analysis
- max time kernel
148s - max time network
113s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
20/08/2026, 15:37
General
- Target 2026-08-20_49d355e0668db59c0235ff19d1d289ef_elex_remcos_wannacry.exe
- Size 60KB
- Sample260820-s2lfqszfpe
- SHA256 1152be2c8c13b80fd573241d45237fdbb59b840119c7668d609edbd9250dd391
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_49d355e0668db59c0235ff19d1d289ef_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_49d355e0668db59c0235ff19d1d289ef_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\{555B724D-3A38-4c0d-B00A-30B270189149}.exeC:\Windows\{555B724D-3A38-4c0d-B00A-30B270189149}.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\{BCFD5A70-7D2B-4313-8085-460AEBDC346C}.exeC:\Windows\{BCFD5A70-7D2B-4313-8085-460AEBDC346C}.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\{91BA40D5-1ADD-43f5-A572-D4D896F393B9}.exeC:\Windows\{91BA40D5-1ADD-43f5-A572-D4D896F393B9}.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\{1CB9E4F9-44DB-4f06-B51A-1ABFF6E8ECD5}.exeC:\Windows\{1CB9E4F9-44DB-4f06-B51A-1ABFF6E8ECD5}.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\{00D7E71B-67D3-4bfc-BE38-20831BB4098A}.exeC:\Windows\{00D7E71B-67D3-4bfc-BE38-20831BB4098A}.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\{FDB85306-1212-435b-803D-E1A748CDA903}.exeC:\Windows\{FDB85306-1212-435b-803D-E1A748CDA903}.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\{929117F4-024A-4b33-A4F8-2426CFB9D351}.exeC:\Windows\{929117F4-024A-4b33-A4F8-2426CFB9D351}.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\{421ABE59-2EF4-4da3-ABF0-1CD4EC3020D2}.exeC:\Windows\{421ABE59-2EF4-4da3-ABF0-1CD4EC3020D2}.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\{478EA825-393D-488b-829D-2164FEC68E85}.exeC:\Windows\{478EA825-393D-488b-829D-2164FEC68E85}.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\{7DC706E0-A716-4874-8F7E-D92CD19B5304}.exeC:\Windows\{7DC706E0-A716-4874-8F7E-D92CD19B5304}.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\{8F3CD91A-58FF-4cdc-8A49-34B218B18ABF}.exeC:\Windows\{8F3CD91A-58FF-4cdc-8A49-34B218B18ABF}.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\{7DC70~1.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\{478EA~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\{421AB~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\{92911~1.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\{FDB85~1.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\{00D7E~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\{1CB9E~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\{91BA4~1.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\{BCFD5~1.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\{555B7~1.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
{00D7E71B-67D3-4bfc-BE38-20831BB4098A}.exe
{1CB9E4F9-44DB-4f06-B51A-1ABFF6E8ECD5}.exe
{421ABE59-2EF4-4da3-ABF0-1CD4EC3020D2}.exe
{478EA825-393D-488b-829D-2164FEC68E85}.exe
{555B724D-3A38-4c0d-B00A-30B270189149}.exe
{7DC706E0-A716-4874-8F7E-D92CD19B5304}.exe
{8F3CD91A-58FF-4cdc-8A49-34B218B18ABF}.exe
{91BA40D5-1ADD-43f5-A572-D4D896F393B9}.exe
{929117F4-024A-4b33-A4F8-2426CFB9D351}.exe
{BCFD5A70-7D2B-4313-8085-460AEBDC346C}.exe
{FDB85306-1212-435b-803D-E1A748CDA903}.exe