Analysis
- max time kernel
150s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
27/10/2026, 06:40
General
- Target Banco de la Nación_Copia de Pago.pdf.vbs
- Size 1.1MB
- Sample261027-hfee7a11es
- SHA256 77a9f1e83822eff548e6e5590e62a4d1cea5f152b9a2d414dcbdb451b5053a62
Malware Config
Extracted
-
remcos
-
7.3.1 Pro
-
RemoteHost
-
216.9.225.162:9746
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gotomuhammed.hopto.org:9746
-
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-3HX1TX
-
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: Remcos
Remcos is a closed-source remote control and surveillance software.
- Creates a file in the Startup directory 1 TTPs 1 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
- Executes dropped EXE 3 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 1 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
- Drops file in Windows directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 1 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
- Modifies registry class 1 IoCs
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
- outlook_office_path 1 IoCs
Processes
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Banco de la Nación_Copia de Pago.pdf.vbs"1⤵
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\PING.EXE"C:\Windows\System32\PING.EXE" -n 3 127.0.0.12⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
-
-
C:\Windows\explorer.exe"C:\Windows\explorer.exe" "C:\Users\Admin\AppData\Local\CoreGuard70\SetupBridge.exe"2⤵
-
-
C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\CoreGuard70\SetupBridge.exe"C:\Users\Admin\AppData\Local\CoreGuard70\SetupBridge.exe"2⤵
- Creates a file in the Startup directory
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- outlook_office_path
-
-
C:\Users\Admin\AppData\Local\CoreGuard70\SetupBridge.exe"C:\Users\Admin\AppData\Local\CoreGuard70\SetupBridge.exe"1⤵
- Executes dropped EXE
-
C:\Users\Admin\AppData\Local\CoreGuard70\SetupBridge.exeC:\Users\Admin\AppData\Local\CoreGuard70\SetupBridge.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
SetupBridge.exe
memory/4544-15-0x0000000180000000-0x000000018012C000-memory.dmp
memory/4544-17-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/4544-6-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/4544-7-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/4544-8-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/4544-9-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/4544-10-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/4544-12-0x0000000180000000-0x000000018012C000-memory.dmp
memory/4544-14-0x0000000180000000-0x000000018012C000-memory.dmp
memory/4544-3-0x0000000000F50000-0x0000000000FCA000-memory.dmp
memory/4544-4-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/4544-18-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/4544-16-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/4544-33-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/4544-34-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/4544-29-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/4544-28-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/4544-30-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/4544-31-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/4564-24-0x0000000140000000-0x00000001400AF000-memory.dmp
memory/4756-27-0x0000000140000000-0x00000001400AF000-memory.dmp