Analysis
- user interaction
yes - max time kernel
900s - max time network
903s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-uk - resource tags
- submitted
18/10/2026, 16:24
General
- Target eClient.exe
- Size 786KB
- Sample261018-twld8aey3n
- SHA256 e2d38c73fd5f106a03296b727590475ad5de43682ce03ad0d0bfbf4ae0ab4354
Malware Config
Signatures
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
- Executes dropped EXE 1 IoCs
- Looks up external IP address via web service 1 TTPs 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Drops file in Windows directory 2 IoCs
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\eClient.exe"C:\Users\Admin\AppData\Local\Temp\eClient.exe"1⤵
- Modifies WinLogon for persistence
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\CMD.exe"CMD" netsh advfirewall firewall add rule name="wfK?JX |JKI^J." dir=in action=allow program="C:\Windows\_Microsoft67" enable=yes & exit2⤵
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 1 /tn "svchost.exe" /tr "C:\Windows\_Microsoft67" /RL HIGHEST & exit2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 1 /tn "svchost.exe" /tr "C:\Windows\_Microsoft67" /RL HIGHEST3⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\_Microsoft67"C:\Windows\_Microsoft67"1⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
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C:\Windows\System32\SecurityHealthHost.exe\\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding1⤵
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
_Microsoft67
memory/2708-36-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp
memory/2708-38-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp
memory/2708-46-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp
memory/2708-45-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp
memory/2708-44-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp
memory/2708-41-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp
memory/2708-40-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp
memory/2708-39-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp
memory/2708-32-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp
memory/2708-37-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp
memory/2708-26-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp
memory/2708-27-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp
memory/2708-28-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp
memory/2708-29-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp
memory/2708-31-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp
memory/2708-35-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp
memory/2708-30-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp
memory/2708-33-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp
memory/2708-34-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp
memory/3432-2-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp
memory/3432-0-0x0000027A494F0000-0x0000027A495BA000-memory.dmp
memory/3432-23-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp
memory/3432-1-0x00007FFCC664F000-0x00007FFCC6650000-memory.dmp
memory/3432-8-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp
memory/3432-7-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp
memory/3432-6-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp
memory/3432-5-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp
memory/3432-4-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp
memory/3432-3-0x00007FFCC64C0000-0x00007FFCC6E64000-memory.dmp