Analysis
- max time kernel
149s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20251016-en - resource tags
- submitted
09/12/2025, 04:36
General
- Target 2025-12-09_98e7868d87c5ea7d5c515e9b608106cb_elex_rhadamanthys_smoke-loader_stop_tofsee.exe
- Size 165KB
- Sample251209-e8rdnscv6a
- SHA256 d632fde87f9367717b530b6c2440020d91013c47634a64f3bfed3ffccdccedb0
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/vYWc41MQ http://goldeny4vs3nyoht.onion/vYWc41MQ 3. Enter your personal decryption code there: vYWc41MQPT6zVsHxKKH4dxxmwFGX9rCqy7HSze2byoUVRDFusfU3FuWDo3oVRLso1orUuN5mzaW2WSba6sC2vVpa6CAAysPi
-
http://golden5a4eqranh7.onion/vYWc41MQ
-
http://goldeny4vs3nyoht.onion/vYWc41MQ
Signatures
- Seon
The Seon Ransomware is an encryption ransomware Trojan first observed on November 14, 2018.
- Seon family
- Renames multiple (1015) 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\2025-12-09_98e7868d87c5ea7d5c515e9b608106cb_elex_rhadamanthys_smoke-loader_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2025-12-09_98e7868d87c5ea7d5c515e9b608106cb_elex_rhadamanthys_smoke-loader_stop_tofsee.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\{93c58c70-f9ec-4b7b-91df-d1bc71bae718}\unlodctr.exe"C:\Users\Admin\AppData\Roaming\{93c58c70-f9ec-4b7b-91df-d1bc71bae718}\unlodctr.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
unlodctr.exe
YOUR_FILES_ARE_ENCRYPTED.TXT
memory/2856-0-0x00000000005C0000-0x00000000005CC000-memory.dmp
memory/2856-1-0x00000000005D0000-0x00000000005E1000-memory.dmp
memory/2856-12-0x00000000005D0000-0x00000000005E1000-memory.dmp
memory/2856-11-0x00000000005C0000-0x00000000005CC000-memory.dmp
memory/3708-13-0x00000000004B0000-0x00000000004BC000-memory.dmp
memory/3708-15-0x00000000004C0000-0x00000000004D1000-memory.dmp
memory/3708-14-0x00000000004C0000-0x00000000004D1000-memory.dmp
memory/3708-2051-0x00000000004C0000-0x00000000004D1000-memory.dmp