Analysis
- max time kernel
148s - max time network
145s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
09/11/2026, 02:46
General
- Target SOA _ Juy - OCT 2026 Outstanding Bill _ BOOKING BIILLS.js
- Size 4.8MB
- Sample261109-c9cksswtby
- SHA256 d08f4fc508fb14f94e56ca055c858bf6efae6680110cb587c9f9c4a2a9ab8771
Malware Config
Extracted
-
remcos
-
7.3.1 Pro
-
RemoteHost
-
www.sphuatomotive.com:2404
-
www.sphuatomotivebacku.com:2404
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www.sphuatomotivebacku1.com:2404
-
audio_folder
MicRecords
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audio_path
ApplicationPath
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audio_record_time
5
-
connect_delay
0
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connect_interval
1
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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-X9C5O3
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
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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 10 IoCs
Network activity triggered a Suricata alert
- Suricata alert: REMCOS RAT Malware Outbound C2 Communication 12 IoCs
Network activity triggered a Suricata alert
- Detects DonutLoader 2 IoCs
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 2 IoCs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Executes a VBScript file via the Windows Script Host. 1 TTPs 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.
- 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.
- Modifies registry class 3 IoCs
- NTFS ADS 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
- outlook_office_path 1 IoCs
Processes
-
C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\SOA _ Juy - OCT 2026 Outstanding Bill _ BOOKING BIILLS.js"1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c echo. > "C:\Users\Admin\AppData\Local\Temp\SOA _ Juy - OCT 2026 Outstanding Bill _ BOOKING BIILLS.js:Zone.Identifier"2⤵
- Executes a command shell one-liner
- NTFS ADS
-
-
C:\Users\Admin\Documents\AIXFDLAKIXWJDFXC.exe"C:\Users\Admin\Documents\AIXFDLAKIXWJDFXC.exe" C:\Users\Admin\Documents\CXFDJWXIKALDFXIA2⤵
- Suricata alert: REMCOS RAT Malware Inbound C2 Communication
- Suricata alert: REMCOS RAT Malware Outbound C2 Communication
- Executes dropped EXE
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Reads the TCP/IP host and domain name from the registry
- outlook_office_path
-
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\Documents\CXFDJWXIKALDFXIA.vbs"1⤵
- Executes a VBScript file via the Windows Script Host.
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\Documents\AIXFDLAKIXWJDFXC.exe"C:\Users\Admin\Documents\AIXFDLAKIXWJDFXC.exe" "C:\Users\Admin\Documents\CXFDJWXIKALDFXIA"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
-
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
3JavaScript
1Visual Basic
1Windows Command Shell
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
AIXFDLAKIXWJDFXC.exe
AIXFDLAKIXWJDFXC.mui
CXFDJWXIKALDFXIA
CXFDJWXIKALDFXIA.vbs
lua51.dll
memory/2484-73-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2484-79-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2484-75-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2484-76-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2484-77-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2484-78-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2484-81-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2484-82-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2484-83-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2484-74-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2484-72-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2484-80-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2484-71-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2484-70-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2484-68-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2484-69-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2484-84-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-59-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-45-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-39-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-40-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-35-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-34-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-41-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-43-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-42-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-50-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-52-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-61-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-36-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-57-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-56-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-53-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-55-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-54-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-51-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-49-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-48-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-47-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-46-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-38-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-44-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-60-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-58-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-63-0x00000000026A0000-0x0000000002749000-memory.dmp
memory/2940-62-0x00000000026A0000-0x00000000036A0000-memory.dmp
memory/2940-64-0x0000000014570000-0x000000001461F000-memory.dmp
memory/2940-37-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-33-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-30-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-31-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-32-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-29-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-21-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-22-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-23-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-24-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-25-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-26-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-27-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-28-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-18-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-17-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-15-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2940-16-0x0000000057FD0000-0x0000000057FE0000-memory.dmp