Analysis
- max time kernel
150s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
08/10/2026, 09:36
General
- Target DO4500272644.JS.js
- Size 5.0MB
- Sample261008-lk2cases3v
- SHA256 05167084fd34948df3b951e2509e9a30491bcc3614a8cdcccd9071176d8578a1
Malware Config
Extracted
-
remcos
-
7.3.1 Pro
-
RemoteHost
-
ocean012.duckdns.org:7474
-
oceanbiggi907.duckdns.org:7474
-
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
yut-QEKAE1
-
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.
- Detects DonutLoader 2 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Command and Scripting Interpreter: JavaScript 1 TTPs
- 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 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\DO4500272644.JS.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\Documents\IVFRMNHAPNQFGACQ.exe"C:\Users\Admin\Documents\IVFRMNHAPNQFGACQ.exe" C:\Users\Admin\Documents\QCAGFQNPAHNMRFVI2⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
IVFRMNHAPNQFGACQ.exe
QCAGFQNPAHNMRFVI
memory/2116-11-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-10-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-12-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-13-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-17-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-18-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-16-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-22-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-21-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-20-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-19-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-15-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-14-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-27-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-26-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-28-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-25-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-29-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-24-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-23-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-30-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-36-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-51-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-50-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-49-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-48-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-53-0x0000000016280000-0x0000000016329000-memory.dmp
memory/2116-52-0x0000000016280000-0x0000000017280000-memory.dmp
memory/2116-47-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-46-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-54-0x0000000002C70000-0x0000000002D1F000-memory.dmp
memory/2116-45-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-44-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-43-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-42-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-41-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-40-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-39-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-38-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-37-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-35-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-34-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-33-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-32-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-31-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/2116-55-0x0000000180000000-0x000000018012C000-memory.dmp
memory/2116-58-0x0000000180000000-0x000000018012C000-memory.dmp
memory/2116-59-0x0000000000400000-0x000000000047B000-memory.dmp
memory/2116-60-0x0000000180000000-0x000000018012C000-memory.dmp