Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20251231-en - resource tags
- submitted
08/01/2026, 03:01
General
- Target 2026-01-08_fed5ec44df76b2972e2b6784300da043_elex_rhadamanthys_smoke-loader_stop_tofsee.exe
- Size 147KB
- Sample260108-djdkvaey2a
- SHA256 da5b33639a772669adf24311809efa39ecd8b5a082576626fc1725581e47516d
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/nWq32EFj http://goldeny4vs3nyoht.onion/nWq32EFj 3. Enter your personal decryption code there: nWq32EFj9j9KFTRCzVVvLR87qdRKRgXKpK35pb2o2zgPtEHZBCTTbrXB8X3oF2tYzvcAGVZ6B7nMPrAHSWvudbkxdxY1sH4m
-
http://golden5a4eqranh7.onion/nWq32EFj
-
http://goldeny4vs3nyoht.onion/nWq32EFj
Signatures
- Seon
The Seon Ransomware is an encryption ransomware Trojan first observed on November 14, 2018.
- Seon family
- Renames multiple (1205) 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\2026-01-08_fed5ec44df76b2972e2b6784300da043_elex_rhadamanthys_smoke-loader_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-01-08_fed5ec44df76b2972e2b6784300da043_elex_rhadamanthys_smoke-loader_stop_tofsee.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\{164bc356-cb24-43ad-8441-d5179198d510}\grpconv.exe"C:\Users\Admin\AppData\Roaming\{164bc356-cb24-43ad-8441-d5179198d510}\grpconv.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
grpconv.exe
YOUR_FILES_ARE_ENCRYPTED.TXT
memory/4876-0-0x0000000000580000-0x000000000058C000-memory.dmp
memory/4876-1-0x00000000006F0000-0x0000000000701000-memory.dmp
memory/4876-11-0x00000000006F0000-0x0000000000701000-memory.dmp
memory/4876-10-0x0000000000580000-0x000000000058C000-memory.dmp
memory/6056-14-0x0000000000770000-0x0000000000781000-memory.dmp
memory/6056-13-0x0000000000610000-0x000000000061C000-memory.dmp
memory/6056-15-0x0000000000770000-0x0000000000781000-memory.dmp
memory/6056-2431-0x0000000000770000-0x0000000000781000-memory.dmp