Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
04/08/2026, 15:54
General
- Target 2026-08-04_48ff13201afcf718f4f017d9593ee230_elex_remcos_wannacry.exe
- Size 64KB
- Sample260804-tcd6sstfqc
- SHA256 f86e071a33b812bfb41909cf65784934222c92c4ca0c137de4e6c398158df2a7
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 18 IoCs
- Detects Windows executables referencing non-Windows User-Agents 18 IoCs
- Boot or Logon Autostart Execution: Active Setup 2 TTPs 10 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
- Executes dropped EXE 5 IoCs
- Drops file in Windows directory 5 IoCs
- Executes a command shell one-liner 1 TTPs 5 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 11 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 5 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-08-04_48ff13201afcf718f4f017d9593ee230_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_48ff13201afcf718f4f017d9593ee230_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\{CA1CF4E3-EE34-4cc3-94B2-8A7AD01918F5}.exeC:\Windows\{CA1CF4E3-EE34-4cc3-94B2-8A7AD01918F5}.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\{7F6EC371-113F-455b-984D-6FA96124DDF7}.exeC:\Windows\{7F6EC371-113F-455b-984D-6FA96124DDF7}.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\{6653DE8D-62A1-4e40-BACB-4C7B41FBC335}.exeC:\Windows\{6653DE8D-62A1-4e40-BACB-4C7B41FBC335}.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\{C2EE2FD1-A45B-4028-888B-CA766BED4892}.exeC:\Windows\{C2EE2FD1-A45B-4028-888B-CA766BED4892}.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\{98539635-AC95-4bcd-BFB1-A03CB7B9BD0A}.exeC:\Windows\{98539635-AC95-4bcd-BFB1-A03CB7B9BD0A}.exe6⤵
- 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\{C2EE2~1.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\{6653D~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\{7F6EC~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\{CA1CF~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
{6653DE8D-62A1-4e40-BACB-4C7B41FBC335}.exe
{7F6EC371-113F-455b-984D-6FA96124DDF7}.exe
{98539635-AC95-4bcd-BFB1-A03CB7B9BD0A}.exe
{C2EE2FD1-A45B-4028-888B-CA766BED4892}.exe
{CA1CF4E3-EE34-4cc3-94B2-8A7AD01918F5}.exe
memory/760-23-0x0000000000400000-0x0000000000410000-memory.dmp
memory/760-20-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1264-31-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2328-1-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2328-7-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2328-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2392-5-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2392-11-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2496-18-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2496-14-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2496-12-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4028-25-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4028-29-0x0000000000400000-0x0000000000410000-memory.dmp