seon | d0bd999fa299d848b8c9fb4ad274b0ec229dc21b70e347b9c6c5ba1110624bc3

General

Target
d0bd999fa299d848b8c9fb4ad274b0ec229dc21b70e347b9c6c5ba1110624bc3.exe
Size 147KB
Sample210516-fsf76e5316
SHA256 d0bd999fa299d848b8c9fb4ad274b0ec229dc21b70e347b9c6c5ba1110624bc3
MD5 cc3843900bc53a238f326d6ef0bd9aeb
SHA1 4b9a0c763f6217489d385d17b5fb1dc093429720
SHA512 a3f8d41d55d8a5efc639c7b9563d6d16e43fe8b9acd73ea66f80578b8da612fcf2f121401aad5075e4d7dc39cc745f900f63c24825f021c0489476226e9b39f2
MD5 SHA1 SHA512

Score

10^/10

seon ransomware spyware stealer trojan

Malware Config

Extracted

Path

C:\Users\Admin\YOUR_FILES_ARE_ENCRYPTED.TXT

Ransom Note

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/xn7KdpFP http://goldeny4vs3nyoht.onion/xn7KdpFP 3. Enter your personal decryption code there: xn7KdpFPX7z25jLtRkTBvn4vrnMEfqz3LE8iCGSZuVKYHT8MQSPhhw4GDZFAhFxGx2dUMWEuJEz5Kh7REF1wnCjHfmYDwuwk

URLs

http://golden5a4eqranh7.onion/xn7KdpFP
http://goldeny4vs3nyoht.onion/xn7KdpFP

Signatures

Seon
The Seon Ransomware is an encryption ransomware Trojan first observed on November 14, 2018.
trojan ransomware seon

Executes dropped EXE 1 IoCs

pid	Process
2776	CertEnrollCtrl.exe

Modifies extensions of user files 2 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\BackupStop.raw => C:\Users\Admin\Pictures\BackupStop.raw.xn7KdpFP	CertEnrollCtrl.exe
File renamed	C:\Users\Admin\Pictures\SelectMeasure.crw => C:\Users\Admin\Pictures\SelectMeasure.crw.xn7KdpFP	CertEnrollCtrl.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3232 wrote to memory of 2776	3232	d0bd999fa299d848b8c9fb4ad274b0ec229dc21b70e347b9c6c5ba1110624bc3.exe	79
PID 3232 wrote to memory of 2776	3232	d0bd999fa299d848b8c9fb4ad274b0ec229dc21b70e347b9c6c5ba1110624bc3.exe	79
PID 3232 wrote to memory of 2776	3232	d0bd999fa299d848b8c9fb4ad274b0ec229dc21b70e347b9c6c5ba1110624bc3.exe	79

C:\Users\Admin\AppData\Local\Temp\d0bd999fa299d848b8c9fb4ad274b0ec229dc21b70e347b9c6c5ba1110624bc3.exe
"C:\Users\Admin\AppData\Local\Temp\d0bd999fa299d848b8c9fb4ad274b0ec229dc21b70e347b9c6c5ba1110624bc3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3232
- C:\Users\Admin\AppData\Roaming\{5f847d0a-860f-4d8a-9def-94a376b785b4}\CertEnrollCtrl.exe
  "C:\Users\Admin\AppData\Roaming\{5f847d0a-860f-4d8a-9def-94a376b785b4}\CertEnrollCtrl.exe"
  2⤵
  - Executes dropped EXE
  - Modifies extensions of user files
  PID:2776

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/2776-119-0x0000000000520000-0x000000000066A000-memory.dmp

Download

memory/2776-120-0x0000000000780000-0x0000000000791000-memory.dmp

Download

memory/3232-117-0x0000000000510000-0x000000000051C000-memory.dmp

Download

memory/3232-118-0x00000000009B0000-0x00000000009C1000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads