Analysis
- max time kernel
149s - max time network
142s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
09/10/2026, 15:00
General
- Target Notification BRI.js
- Size 1.2MB
- Sample261009-sdkjjay16p
- SHA256 4f6356b3a390f404083330ddfa4d891275c5ec89b2a6fe967370e7df103768c4
Malware Config
Extracted
-
remcos
-
7.3.1 Pro
-
Education
-
103.83.87.47:3838
-
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-8I7A5I
-
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.
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
- Suspicious use of SetThreadContext 1 IoCs
- Command and Scripting Interpreter: JavaScript 1 TTPs
- 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.
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 7 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.
Processes
-
C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\Notification BRI.js"1⤵
- Reads the TCP/IP host and domain name from the registry
-
C:\Windows\system32\wscript.exewscript.exe1⤵
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exeC:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe -NoPr -NonI -WindowStyle Hidden -C "[scriptblock]::Create([IO.File]::ReadAllText('C:\Users\Admin\AppData\Local\Temp\54969.ps1')).Invoke()"1⤵
- Process spawned unexpected child process
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe2⤵
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
54969.ps1
memory/3008-19-0x0000000074370000-0x0000000074B2C000-memory.dmp
memory/3008-13-0x00000000067F0000-0x000000000683C000-memory.dmp
memory/3008-4-0x0000000005530000-0x0000000005B7A000-memory.dmp
memory/3008-5-0x0000000074370000-0x0000000074B2C000-memory.dmp
memory/3008-6-0x0000000005B80000-0x0000000005BA2000-memory.dmp
memory/3008-7-0x0000000005C20000-0x0000000005C86000-memory.dmp
memory/3008-8-0x0000000005C90000-0x0000000005CF6000-memory.dmp
memory/3008-11-0x0000000005E00000-0x000000000615B000-memory.dmp
memory/3008-12-0x0000000006200000-0x000000000621E000-memory.dmp
memory/3008-24-0x0000000074382000-0x0000000074383000-memory.dmp
memory/3008-2-0x0000000002D20000-0x0000000002D56000-memory.dmp
memory/3008-15-0x000000000AC80000-0x000000000B2FC000-memory.dmp
memory/3008-16-0x000000000A400000-0x000000000A41A000-memory.dmp
memory/3008-17-0x000000000A450000-0x000000000A46A000-memory.dmp
memory/3008-18-0x000000000A490000-0x000000000A498000-memory.dmp
memory/3008-1-0x0000000074382000-0x0000000074383000-memory.dmp
memory/3008-3-0x0000000074370000-0x0000000074B2C000-memory.dmp
memory/3008-28-0x0000000074370000-0x0000000074B2C000-memory.dmp
memory/4824-21-0x0000000000400000-0x0000000000490000-memory.dmp
memory/4824-20-0x0000000000400000-0x0000000000490000-memory.dmp
memory/4824-25-0x0000000000400000-0x0000000000490000-memory.dmp
memory/4824-22-0x0000000000400000-0x0000000000490000-memory.dmp
memory/4824-26-0x0000000000400000-0x0000000000490000-memory.dmp
memory/4824-23-0x0000000000400000-0x0000000000490000-memory.dmp
memory/4824-29-0x0000000000400000-0x0000000000490000-memory.dmp
memory/4824-30-0x0000000000400000-0x0000000000490000-memory.dmp
memory/4824-31-0x0000000000400000-0x0000000000490000-memory.dmp
memory/4824-33-0x0000000000400000-0x0000000000490000-memory.dmp
memory/4824-35-0x0000000000400000-0x0000000000490000-memory.dmp
memory/4824-34-0x0000000000400000-0x0000000000490000-memory.dmp
memory/4824-36-0x0000000000400000-0x0000000000490000-memory.dmp
memory/4824-38-0x0000000000400000-0x0000000000490000-memory.dmp
memory/4824-39-0x0000000000400000-0x0000000000490000-memory.dmp