Analysis
- max time kernel
148s - max time network
142s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
03/08/2026, 15:03
General
- Target 2026-08-03_14d2f1fb17579b62fdce5e4a28b3a63d_elex_remcos_wannacry.exe
- Size 64KB
- Sample260803-sfefastwcs
- SHA256 f23cf6a615cdf66fa33155cc574372bd5e77c2bef151cbef1f2313d469448766
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 36 IoCs
- Detects Windows executables referencing non-Windows User-Agents 36 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\2026-08-03_14d2f1fb17579b62fdce5e4a28b3a63d_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_14d2f1fb17579b62fdce5e4a28b3a63d_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\{3C404658-19FB-4a0c-8809-C94C655F5156}.exeC:\Windows\{3C404658-19FB-4a0c-8809-C94C655F5156}.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\{45075AF8-F80B-4ff8-9331-6AC6A2817315}.exeC:\Windows\{45075AF8-F80B-4ff8-9331-6AC6A2817315}.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\{3651BB7F-D935-4a67-BAA4-89C7C7C42DFA}.exeC:\Windows\{3651BB7F-D935-4a67-BAA4-89C7C7C42DFA}.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\{009E5430-A045-4180-9E33-2ED17CD6ABDC}.exeC:\Windows\{009E5430-A045-4180-9E33-2ED17CD6ABDC}.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\{58B877AE-C07A-400d-AC97-C8AD448F6E51}.exeC:\Windows\{58B877AE-C07A-400d-AC97-C8AD448F6E51}.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\{0255695D-8FB2-4d6e-9691-DEA5061481E8}.exeC:\Windows\{0255695D-8FB2-4d6e-9691-DEA5061481E8}.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\{100A0221-6020-47d8-8DED-BA1D787CCA65}.exeC:\Windows\{100A0221-6020-47d8-8DED-BA1D787CCA65}.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\{E0288165-2ECE-470b-8139-8F648D09803B}.exeC:\Windows\{E0288165-2ECE-470b-8139-8F648D09803B}.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\{B3E6CC39-8F84-4aab-8DFA-5962BE997163}.exeC:\Windows\{B3E6CC39-8F84-4aab-8DFA-5962BE997163}.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\{75EAF3BF-7B77-435b-B027-952A833D8C09}.exeC:\Windows\{75EAF3BF-7B77-435b-B027-952A833D8C09}.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\{F407D61F-058C-445a-BFA1-67B772C7AF4E}.exeC:\Windows\{F407D61F-058C-445a-BFA1-67B772C7AF4E}.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\{75EAF~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\{B3E6C~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\{E0288~1.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\{100A0~1.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\{02556~1.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\{58B87~1.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\{009E5~1.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\{3651B~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\{45075~1.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\{3C404~1.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
{009E5430-A045-4180-9E33-2ED17CD6ABDC}.exe
{0255695D-8FB2-4d6e-9691-DEA5061481E8}.exe
{100A0221-6020-47d8-8DED-BA1D787CCA65}.exe
{3651BB7F-D935-4a67-BAA4-89C7C7C42DFA}.exe
{3C404658-19FB-4a0c-8809-C94C655F5156}.exe
{45075AF8-F80B-4ff8-9331-6AC6A2817315}.exe
{58B877AE-C07A-400d-AC97-C8AD448F6E51}.exe
{75EAF3BF-7B77-435b-B027-952A833D8C09}.exe
{B3E6CC39-8F84-4aab-8DFA-5962BE997163}.exe
{E0288165-2ECE-470b-8139-8F648D09803B}.exe
{F407D61F-058C-445a-BFA1-67B772C7AF4E}.exe
memory/264-34-0x0000000000400000-0x0000000000410000-memory.dmp
memory/264-28-0x0000000000400000-0x0000000000410000-memory.dmp
memory/468-20-0x0000000000400000-0x0000000000410000-memory.dmp
memory/468-27-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1948-13-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1948-6-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2400-63-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2400-57-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2424-70-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2424-76-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2560-42-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2560-44-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2560-48-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3640-21-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3640-14-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3840-41-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3840-36-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4188-50-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4188-56-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4544-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4544-7-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4544-1-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4644-64-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4644-71-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4732-78-0x0000000000400000-0x0000000000410000-memory.dmp