Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
05/05/2026, 12:56
General
- Target 2026-05-05_aea3596a03d4979157b41272ab940127_elex_stop.exe
- Size 811KB
- Sample260505-p6n6msgv8t
- SHA256 1bb81d0993428464d0787072f907310aacf3651a3f60ae150b0a4118d2b1049f
Malware Config
Signatures
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- AutoIT Executable 6 IoCs
AutoIT scripts compiled to PE executables.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies Internet Explorer settings 1 TTPs 5 IoCs
- Modifies Internet Explorer start page 1 TTPs 2 IoCs
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-05-05_aea3596a03d4979157b41272ab940127_elex_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-05_aea3596a03d4979157b41272ab940127_elex_stop.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C AT /delete /yes2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\at.exeAT /delete /yes3⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Users\Admin\Desktop\system3_.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\at.exeAT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Users\Admin\Desktop\system3_.exe3⤵
- System Location Discovery: System Language Discovery
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C:\Windows\explorer.exeExplorer.exe system3_.exe1⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\Desktop\system3_.exe"C:\Users\Admin\Desktop\system3_.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\Desktop\system3_.exeC:\Users\Admin\Desktop\system3_.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Replay Monitor
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Downloads
autorun.ini
system3_.exe
memory/1408-15-0x0000000000400000-0x00000000004E1000-memory.dmp
memory/1408-14-0x00000000015C0000-0x0000000001656000-memory.dmp
memory/2492-0-0x0000000000400000-0x00000000004E1000-memory.dmp
memory/2492-1-0x00007FF942D10000-0x00007FF942F05000-memory.dmp
memory/2492-18-0x00007FF942D10000-0x00007FF942F05000-memory.dmp
memory/2492-19-0x0000000001590000-0x0000000001626000-memory.dmp
memory/2492-26-0x0000000000400000-0x00000000004E1000-memory.dmp
memory/4308-13-0x0000000000400000-0x00000000004E1000-memory.dmp
memory/4308-17-0x0000000000400000-0x00000000004E1000-memory.dmp
memory/4308-16-0x0000000000900000-0x0000000000996000-memory.dmp