Analysis
- max time kernel
148s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
07/11/2026, 22:08
General
- Target ExtremeLoader/extremeui.exe
- Size 2.1MB
- Sample261107-12e8qavyd1
- SHA256 dd725418f891cd4b0d9e8afc844c205e09b3180b33cae53ef262f79157db5327
Malware Config
Signatures
- 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 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ExtremeLoader\extremeui.exe"C:\Users\Admin\AppData\Local\Temp\ExtremeLoader\extremeui.exe"1⤵
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c ""C:\Users\Admin\AppData\Local\Temp\ExtremeLoader\AutoRun.bat" "2⤵
- Executes a command shell one-liner
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/4880-0-0x00007FF9DC1DF000-0x00007FF9DC1E0000-memory.dmp
memory/4880-1-0x0000023A5DA00000-0x0000023A5DC22000-memory.dmp
memory/4880-2-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/4880-3-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/4880-4-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/4880-5-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/4880-6-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/4880-7-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/4880-8-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/4880-9-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/4880-10-0x0000023A5FB40000-0x0000023A5FBF2000-memory.dmp
memory/4880-11-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/4880-12-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/4880-13-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/4880-14-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/4880-15-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/4880-16-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp