Analysis
- max time kernel
149s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20251016-en - resource tags
- submitted
08/12/2025, 03:48
General
- Target 2025-12-08_270adba6846f5d55ae05ba460b625c1e_elex_rhadamanthys_smoke-loader_stop_tofsee.exe
- Size 510KB
- Sample251208-ec3f3aspfx
- SHA256 689228a6bd491f11b527c45b5f83ef12d503da40daf2f55440f4e4cb76c8a1a5
Malware Config
Extracted
-
C:\Users\Public\YOUR_FILES_ARE_ENCRYPTED.TXT
- You became victim of the GOLDENEYE RANSOMWARE! The files on your computer have been encrypted with an military grade encryption algorithm. There is no way to restore your data without a special key. You can purchase this key on the darknet page shown in step 2. To purchase your key and restore your data, please follow these three easy steps: 1. Download the Tor Browser at "https://www.torproject.org/". If you need help, please google for "access onion page". 2. Visit one of the following pages with the Tor Browser: http://golden5a4eqranh7.onion/xVd7xUCh http://goldeny4vs3nyoht.onion/xVd7xUCh 3. Enter your personal decryption code there: xVd7xUCh9mqVYaRkPbYLgjANSFjoUxAQ2DtW8kRdRN9UipKaK1YHHYV28TeVFeYQH2JwCXA6P9cV3qWwi8P9aC7zj8Ja2b9A
-
http://golden5a4eqranh7.onion/xVd7xUCh
-
http://goldeny4vs3nyoht.onion/xVd7xUCh
Signatures
- Seon
The Seon Ransomware is an encryption ransomware Trojan first observed on November 14, 2018.
- Seon family
- Renames multiple (1036) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
- Executes dropped EXE 1 IoCs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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 use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2025-12-08_270adba6846f5d55ae05ba460b625c1e_elex_rhadamanthys_smoke-loader_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2025-12-08_270adba6846f5d55ae05ba460b625c1e_elex_rhadamanthys_smoke-loader_stop_tofsee.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\{db8596d3-815e-427a-b5c6-dcc582b43e06}\backgroundTaskHost.exe"C:\Users\Admin\AppData\Roaming\{db8596d3-815e-427a-b5c6-dcc582b43e06}\backgroundTaskHost.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
backgroundTaskHost.exe
YOUR_FILES_ARE_ENCRYPTED.TXT
memory/1480-13-0x0000000000570000-0x000000000057C000-memory.dmp
memory/1480-14-0x0000000000580000-0x0000000000591000-memory.dmp
memory/1480-15-0x0000000000580000-0x0000000000591000-memory.dmp
memory/1480-2093-0x0000000000580000-0x0000000000591000-memory.dmp
memory/1480-2094-0x0000000000580000-0x0000000000591000-memory.dmp
memory/4464-0-0x0000000000880000-0x000000000088C000-memory.dmp
memory/4464-1-0x0000000000890000-0x00000000008A1000-memory.dmp
memory/4464-11-0x0000000000880000-0x000000000088C000-memory.dmp
memory/4464-12-0x0000000000890000-0x00000000008A1000-memory.dmp