Analysis
- max time kernel
300s - max time network
304s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
06/11/2026, 01:47
General
- Target DOC/Tender bidding details.jse
- Size 33KB
- Sample261106-b7271awte1
- SHA256 8659501f8fd4c1522097a130af574aa302817d44b75f14777c9f30dcb2bc65ff
Malware Config
Extracted
-
remcos
-
7.3.1 Pro
-
xlsx32
-
64.89.161.94:2404
-
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-PT3BW2
-
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.
- Badlisted process makes network request 2 IoCs
Network request originating from process or tool commonly abused by malware.
- Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
- Suspicious use of NtCreateThreadExHideFromDebugger 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 2 IoCs
- Drops file in Windows directory 2 IoCs
- Command and Scripting Interpreter: JavaScript 1 TTPs
- 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.
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: MapViewOfSection 1 TTPs 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
- outlook_office_path 1 IoCs
Processes
-
C:\Windows\System32\WScript.exeC:\Windows\System32\WScript.exe "C:\Users\Admin\AppData\Local\Temp\DOC\Tender bidding details.jse"1⤵
- Reads the TCP/IP host and domain name from the registry
-
C:\Windows\system32\cmd.execmd.exe /c echo ^%Handlede^% | %Frituresteger% -1⤵
- Process spawned unexpected child process
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo %Handlede% "2⤵
-
-
\??\c:\windows\syswow64\WindowsPowerShell\v1.0\powershell.exe"c:\windows\syswow64\WindowsPowerShell\v1.0\powershell.exe" -2⤵
- Badlisted process makes network request
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"3⤵
-
-
C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"3⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
- outlook_office_path
-
C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"4⤵
-
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2556-0-0x0000000074CF2000-0x0000000074CF3000-memory.dmp
memory/2556-1-0x0000000002680000-0x00000000026B6000-memory.dmp
memory/2556-3-0x0000000005240000-0x000000000588A000-memory.dmp
memory/2556-2-0x0000000074CE0000-0x000000007549C000-memory.dmp
memory/2556-4-0x00000000050A0000-0x00000000050C2000-memory.dmp
memory/2556-6-0x0000000005140000-0x00000000051A6000-memory.dmp
memory/2556-5-0x0000000074CE0000-0x000000007549C000-memory.dmp
memory/2556-7-0x0000000005940000-0x00000000059A6000-memory.dmp
memory/2556-10-0x00000000059B0000-0x0000000005D0B000-memory.dmp
memory/2556-11-0x0000000005E90000-0x0000000005EAE000-memory.dmp
memory/2556-12-0x00000000063E0000-0x000000000642C000-memory.dmp
memory/2556-13-0x0000000007850000-0x0000000007ECC000-memory.dmp
memory/2556-14-0x0000000006460000-0x000000000647A000-memory.dmp
memory/2556-15-0x0000000007270000-0x0000000007306000-memory.dmp
memory/2556-16-0x00000000071D0000-0x00000000071F2000-memory.dmp
memory/2556-17-0x0000000008490000-0x0000000008A4A000-memory.dmp
memory/2556-18-0x0000000074CE0000-0x000000007549C000-memory.dmp
memory/2556-19-0x0000000074CF2000-0x0000000074CF3000-memory.dmp
memory/2556-20-0x0000000074CE0000-0x000000007549C000-memory.dmp
memory/2556-21-0x0000000074CE0000-0x000000007549C000-memory.dmp
memory/2556-22-0x0000000074CE0000-0x000000007549C000-memory.dmp
memory/2556-23-0x0000000074CE0000-0x000000007549C000-memory.dmp
memory/2556-25-0x0000000074CE0000-0x000000007549C000-memory.dmp
memory/2556-24-0x0000000008A50000-0x000000000BBEC000-memory.dmp
memory/2556-26-0x0000000074CE0000-0x000000007549C000-memory.dmp
memory/2556-27-0x0000000074CE0000-0x000000007549C000-memory.dmp
memory/2556-29-0x0000000074CE0000-0x000000007549C000-memory.dmp
memory/2556-30-0x0000000074CE0000-0x000000007549C000-memory.dmp
memory/2556-31-0x0000000074CE0000-0x000000007549C000-memory.dmp
memory/5816-50-0x0000000000EF0000-0x00000000021D6000-memory.dmp
memory/5816-55-0x0000000000EF0000-0x00000000021D6000-memory.dmp
memory/5816-56-0x000000001EC30000-0x000000001ED27000-memory.dmp
memory/5816-60-0x000000001EC30000-0x000000001ED27000-memory.dmp
memory/5816-59-0x000000001EC30000-0x000000001ED27000-memory.dmp
memory/5816-61-0x0000000000EF0000-0x00000000021D6000-memory.dmp
memory/5816-62-0x0000000000EF0000-0x00000000021D6000-memory.dmp
memory/5816-63-0x0000000000EF0000-0x00000000021D6000-memory.dmp
memory/5816-64-0x0000000000EF0000-0x00000000021D6000-memory.dmp
memory/5816-65-0x0000000000EF0000-0x00000000021D6000-memory.dmp
memory/5816-66-0x0000000000EF0000-0x00000000021D6000-memory.dmp
memory/5816-67-0x0000000000EF0000-0x00000000021D6000-memory.dmp
memory/5816-68-0x0000000000EF0000-0x00000000021D6000-memory.dmp
memory/5816-69-0x0000000000EF0000-0x00000000021D6000-memory.dmp
memory/5816-70-0x0000000000EF0000-0x00000000021D6000-memory.dmp
memory/5816-71-0x0000000000EF0000-0x00000000021D6000-memory.dmp
memory/5816-72-0x0000000000EF0000-0x00000000021D6000-memory.dmp
memory/5816-73-0x0000000000EF0000-0x00000000021D6000-memory.dmp
memory/5816-74-0x0000000000EF0000-0x00000000021D6000-memory.dmp
memory/5816-75-0x0000000000EF0000-0x00000000021D6000-memory.dmp
memory/5816-76-0x0000000000EF0000-0x00000000021D6000-memory.dmp
memory/5816-77-0x0000000000EF0000-0x00000000021D6000-memory.dmp
memory/5816-81-0x0000000000EF0000-0x00000000021D6000-memory.dmp
memory/5816-82-0x0000000000EF0000-0x00000000021D6000-memory.dmp
memory/5816-83-0x0000000000EF0000-0x00000000021D6000-memory.dmp