Analysis
- max time kernel
149s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20260911-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
-
www.sphuatomotivebacku1.com: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-X9C5O3
-
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 9 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
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- 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.
- 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⤵
- 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\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⤵
- Checks computer location settings
- Executes a VBScript file via the Windows Script Host.
- 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
Login Data For Account.tmp
AIXFDLAKIXWJDFXC.exe
AIXFDLAKIXWJDFXC.mui
CXFDJWXIKALDFXIA
CXFDJWXIKALDFXIA.vbs
lua51.dll
memory/1652-60-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-55-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-22-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-23-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-21-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-28-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-29-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-31-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-30-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-32-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-27-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-26-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-25-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-24-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-35-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-36-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-34-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-33-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-37-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-38-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-39-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-40-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-46-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-45-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-44-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-43-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-42-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-41-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-17-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-59-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-58-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-57-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-18-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-61-0x00000000023C0000-0x00000000033C0000-memory.dmp
memory/1652-56-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-62-0x00000000023C0000-0x0000000002469000-memory.dmp
memory/1652-54-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-53-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-52-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-51-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-50-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-49-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-48-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-47-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-63-0x00000000143D0000-0x000000001447F000-memory.dmp
memory/1652-16-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/1652-15-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4480-80-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4480-77-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4480-81-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4480-71-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4480-78-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4480-79-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4480-83-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4480-67-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4480-69-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4480-82-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4480-70-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4480-76-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4480-75-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4480-74-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4480-73-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4480-72-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4480-84-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4480-68-0x0000000057FD0000-0x0000000057FE0000-memory.dmp