Analysis
- max time kernel
298s - max time network
116s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
27/07/2026, 14:11
General
- Target 2026년 2분기 급여 구조 인상,pdf.js
- Size 5.1MB
- Sample260727-rhlrqathmb
- SHA256 3dbc051e39388c63bf4b1c35cd54ccc62745464feae42cf8755d57c401ecf5ba
Malware Config
Extracted
-
remcos
-
7.2.6 Pro
-
Habin
-
185.149.24.6:2404
-
audio_folder
MicRecords
-
audio_path
ApplicationPath
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-OYI7UH
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
- Family: Remcos
Remcos is a closed-source remote control and surveillance software.
- Suricata alert: REMCOS RAT Malware Inbound C2 Communication 3 IoCs
Network activity triggered a Suricata alert
- Suricata alert: REMCOS RAT Malware Outbound C2 Communication 5 IoCs
Network activity triggered a Suricata alert
- Detects DonutLoader 2 IoCs
- Executes dropped EXE 1 IoCs
- Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 2 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\2026년 2분기 급여 구조 인상,pdf.js"1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\Documents\NFAHPDUSIYMBVYFY.PIF"C:\Users\Admin\Documents\NFAHPDUSIYMBVYFY.PIF" C:\Users\Admin\Documents\NFAHPDUSIYMBVYFY.ttf2⤵
- Suricata alert: REMCOS RAT Malware Inbound C2 Communication
- Suricata alert: REMCOS RAT Malware Outbound C2 Communication
- Executes dropped EXE
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
NFAHPDUSIYMBVYFY.PIF
NFAHPDUSIYMBVYFY.ttf
memory/2164-9-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-10-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-11-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-12-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-17-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-16-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-15-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-14-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-13-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-20-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-21-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-19-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-18-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-25-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-26-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-24-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-23-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-22-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-27-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-28-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-29-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-30-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-34-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-42-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-35-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-49-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-48-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-47-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-46-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-45-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-44-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-43-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-41-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-40-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-39-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-38-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-37-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-36-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-31-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-33-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-32-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2164-51-0x0000000016250000-0x00000000162F5000-memory.dmp
memory/2164-50-0x0000000016250000-0x0000000017250000-memory.dmp
memory/2164-52-0x0000000002C50000-0x0000000002CFB000-memory.dmp
memory/2164-56-0x0000000180000000-0x000000018012D000-memory.dmp
memory/2164-53-0x0000000180000000-0x000000018012D000-memory.dmp
memory/2164-57-0x0000000000400000-0x000000000047B000-memory.dmp
memory/2164-58-0x0000000180000000-0x000000018012D000-memory.dmp