seon | fcb26e3dea2cafdd514a15ca4a21565254aa5e064a1fa580412f00c5c8005220

General

Target

51.exe
Size

147KB
MD5

171c41627cf09743d62c82b5ed02eadd
SHA1

c7185b62b71c292aee70a4b482f3c0c530c1e7d5
SHA256

9f345814f1c436cee84bfc91536dee4c85081f11f49cf5623708d77c76aea8d7
SHA512

5e162774bd69a98acab13ad4b85a181e113e1afc015e629d6659c2dcfdfa3739948cf37f79bf78b60ca37daaf2b2f1e8239b4aaaa5fb4e2e508f1f64c525c7a2
SSDEEP

3072:P9dUEfLpw3gCjYbUIazrdwheg+NrXJmT69dz5wkbar4b:P9d/w3gaYbUDzrA0dmT6LZ

Score

10^/10

seon discovery ransomware spyware stealer trojan

Malware Config

Extracted

Path

C:\Users\Public\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/uGB6C8mb http://goldeny4vs3nyoht.onion/uGB6C8mb 3. Enter your personal decryption code there: uGB6C8mbxsVu6VoB5TbL3vrKQ4yWnxXgHnVaKkdWGxfouL4WbofXXt68fNwYhUD1Ki48LRsonroxz6uLFiCvxD4Se3rGgKSU

URLs

http://golden5a4eqranh7.onion/uGB6C8mb

http://goldeny4vs3nyoht.onion/uGB6C8mb

Signatures

Seon
The Seon Ransomware is an encryption ransomware Trojan first observed on November 14, 2018.
trojan ransomware seon
Renames multiple (220) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Executes dropped EXE 1 IoCs

pid	Process
2700	CertEnrollCtrl.exe

Loads dropped DLL 1 IoCs

pid	Process
2688	51.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
T1552.001

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	51.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2700	2688	51.exe	31
PID 2688 wrote to memory of 2700	2688	51.exe	31
PID 2688 wrote to memory of 2700	2688	51.exe	31
PID 2688 wrote to memory of 2700	2688	51.exe	31

C:\Users\Admin\AppData\Local\Temp\51.exe
"C:\Users\Admin\AppData\Local\Temp\51.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Users\Admin\AppData\Roaming\{f1dc91f4-ce35-4e3f-b5f0-5ef51f7527d0}\CertEnrollCtrl.exe
  "C:\Users\Admin\AppData\Roaming\{f1dc91f4-ce35-4e3f-b5f0-5ef51f7527d0}\CertEnrollCtrl.exe"
  2⤵
  - Executes dropped EXE
  PID:2700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\{f1dc91f4-ce35-4e3f-b5f0-5ef51f7527d0}\CertEnrollCtrl.exe

Filesize
147KB

MD5
171c41627cf09743d62c82b5ed02eadd

SHA1
c7185b62b71c292aee70a4b482f3c0c530c1e7d5

SHA256
9f345814f1c436cee84bfc91536dee4c85081f11f49cf5623708d77c76aea8d7

SHA512
5e162774bd69a98acab13ad4b85a181e113e1afc015e629d6659c2dcfdfa3739948cf37f79bf78b60ca37daaf2b2f1e8239b4aaaa5fb4e2e508f1f64c525c7a2

Download Submit
C:\Users\Public\YOUR_FILES_ARE_ENCRYPTED.TXT

Filesize
778B

MD5
1797062e626855d5223fdd2e3a942949

SHA1
487469fabf7a1134fc19a9287dd3048218d887bf

SHA256
a2dfb7b1958215dca6069553edc27c77ed1f7f4364df907ca39a0ecb16afd533

SHA512
0953b3f0c9764fca4f8ce13136d3a32473c1864bbc09a7467c6dae8a46df4079d9b3ca9138a7b4b2d21ee4608c0a688cb87eb133ab851de4c605faabf60d0d04

Download Submit
memory/2688-1-0x0000000000230000-0x000000000023C000-memory.dmp

Filesize
48KB

Download
memory/2688-2-0x0000000000240000-0x0000000000251000-memory.dmp

Filesize
68KB

Download
memory/2688-15-0x0000000000240000-0x0000000000251000-memory.dmp

Filesize
68KB

Download
memory/2688-14-0x0000000000230000-0x000000000023C000-memory.dmp

Filesize
48KB

Download
memory/2688-0-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2700-16-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2700-18-0x0000000000260000-0x0000000000271000-memory.dmp

Filesize
68KB

Download
memory/2700-19-0x0000000000260000-0x0000000000271000-memory.dmp

Filesize
68KB

Download
memory/2700-17-0x0000000000230000-0x000000000023C000-memory.dmp

Filesize
48KB

Download
memory/2700-465-0x0000000000260000-0x0000000000271000-memory.dmp

Filesize
68KB

Download
memory/2700-466-0x0000000000260000-0x0000000000271000-memory.dmp

Filesize
68KB

Download

Analysis

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