Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
09/08/2026, 04:13
General
- Target 2026-08-09_1212f04a2b2ccdcdf5b67d77b7ad5e73_elex_remcos_wannacry.exe
- Size 64KB
- Sample260809-etb1fazfka
- SHA256 6f6e39932192a4b86ac9173748198b5b56363a8fae80b15138de5b6ece1c2847
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 9 IoCs
- Detects Windows executables referencing non-Windows User-Agents 9 IoCs
- Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
- Executes dropped EXE 2 IoCs
- Drops file in Windows directory 2 IoCs
- Executes a command shell one-liner 1 TTPs 2 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 5 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 2 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-09_1212f04a2b2ccdcdf5b67d77b7ad5e73_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-09_1212f04a2b2ccdcdf5b67d77b7ad5e73_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
-
C:\Windows\{F10A1FA7-BE80-4239-AC09-97B9559395B2}.exeC:\Windows\{F10A1FA7-BE80-4239-AC09-97B9559395B2}.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\{DC3DD614-C650-425f-BF74-B5050779699D}.exeC:\Windows\{DC3DD614-C650-425f-BF74-B5050779699D}.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{F10A1~1.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
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
{DC3DD614-C650-425f-BF74-B5050779699D}.exe
{F10A1FA7-BE80-4239-AC09-97B9559395B2}.exe
memory/460-13-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2056-5-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2056-8-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2056-12-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4140-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4140-1-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4140-6-0x0000000000400000-0x0000000000410000-memory.dmp