Analysis
- max time kernel
298s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
02/11/2026, 09:10
General
- Target 2026년 4분기 급여 구조 인상-pdf.js
- Size 3.6MB
- Sample261102-k5jsbat12l
- SHA256 9ae36574f6ed0b0058bed01d5a5fd5188067ec7c3c5c27b8f253a3190a95eadb
Malware Config
Signatures
- Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
- Detects DonutLoader 2 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
- NTFS ADS 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\2026년 4분기 급여 구조 인상-pdf.js"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c echo. > "C:\Users\Admin\AppData\Local\Temp\2026년 4분기 급여 구조 인상-pdf.js:Zone.Identifier"2⤵
- Executes a command shell one-liner
- NTFS ADS
-
-
C:\Users\Admin\Documents\GXRAILLPMUUSSONS.exe"C:\Users\Admin\Documents\GXRAILLPMUUSSONS.exe" C:\Users\Admin\Documents\SNOSSUUMPLLIARXG2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
GXRAILLPMUUSSONS.exe
SNOSSUUMPLLIARXG
lua51.dll
memory/5040-39-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-30-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-17-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-18-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-20-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-21-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-19-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-23-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-22-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-27-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-26-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-25-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-24-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-32-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-31-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-38-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-29-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-28-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-34-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-33-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-35-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-16-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-15-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-40-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-46-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-36-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-41-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-44-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-55-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-54-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-53-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-57-0x00000000023A0000-0x00000000023F2000-memory.dmp
memory/5040-52-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-51-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-50-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-49-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-48-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-47-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-37-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-45-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-43-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-42-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/5040-56-0x00000000023A0000-0x00000000033A0000-memory.dmp
memory/5040-58-0x0000000140000000-0x000000014004A000-memory.dmp
memory/5040-59-0x0000000000400000-0x000000000040D000-memory.dmp
memory/5040-60-0x0000000066D80000-0x0000000066DF4000-memory.dmp