seon | fcb26e3dea2cafdd514a15ca4a21565254aa5e064a1fa580412f00c5c8005220

Analysis

max time kernel
94s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22-09-2024 14:14

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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/tHHui5yw http://goldeny4vs3nyoht.onion/tHHui5yw 3. Enter your personal decryption code there: tHHui5ywFT7zo75ojnRSDJnwFW7uEok763VGgqpnJR8fzNFBURxEkShbRCuBTU4HSgLe8W5D9AvFNHrCexhgaA7XBsmqRRYg

URLs

http://golden5a4eqranh7.onion/tHHui5yw

http://goldeny4vs3nyoht.onion/tHHui5yw

Signatures

Seon
The Seon Ransomware is an encryption ransomware Trojan first observed on November 14, 2018.
trojan ransomware seon
Renames multiple (877) 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
740	tcmsetup.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 2 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tcmsetup.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 740	4988	51.exe	82
PID 4988 wrote to memory of 740	4988	51.exe	82
PID 4988 wrote to memory of 740	4988	51.exe	82

C:\Users\Admin\AppData\Local\Temp\51.exe
"C:\Users\Admin\AppData\Local\Temp\51.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4988
- C:\Users\Admin\AppData\Roaming\{d9366a7c-49ea-44ae-9f6c-e9c434dd3579}\tcmsetup.exe
  "C:\Users\Admin\AppData\Roaming\{d9366a7c-49ea-44ae-9f6c-e9c434dd3579}\tcmsetup.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\{d9366a7c-49ea-44ae-9f6c-e9c434dd3579}\tcmsetup.exe

Filesize
147KB

MD5
f1604147b6a560a5ce6313d3149bf2ef

SHA1
40f6ab30ee97abc8342b3bd5ff517b0b37190411

SHA256
e6d2b0d8fa1ff2535df70a838c02c160337ce392271bc8ca0118870791887dce

SHA512
b2197c942d2a8878794eed75d560f664a8e38b263a981e273008924880d2179a9462bab1877173d82f5276f4d7d0accceaed580e0253c445bbfabb6b69b05ab4

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

Filesize
778B

MD5
6de6b3cd74dfc1a1efd697de94fd7ee8

SHA1
47661eff40f92dc1cb408498e383b84c2da1b9cd

SHA256
165e424ec031b7c9cf42e4cf1c425be093b71a1180f942dab5da264598d452ab

SHA512
04fd673431224652db2601c338940dc4fc5a0346aeaa8a1684ab542bf109eb05074f13542e2ff5a4ad80fa67510e7b5c6d70a81427b321f40432f8f31227c1b7

Download Submit
memory/740-14-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/740-15-0x0000000000510000-0x000000000051C000-memory.dmp

Filesize
48KB

Download
memory/740-16-0x00000000005B0000-0x00000000005C1000-memory.dmp

Filesize
68KB

Download
memory/740-17-0x00000000005B0000-0x00000000005C1000-memory.dmp

Filesize
68KB

Download
memory/740-1777-0x00000000005B0000-0x00000000005C1000-memory.dmp

Filesize
68KB

Download
memory/740-1778-0x00000000005B0000-0x00000000005C1000-memory.dmp

Filesize
68KB

Download
memory/4988-2-0x00000000009F0000-0x0000000000A01000-memory.dmp

Filesize
68KB

Download
memory/4988-12-0x00000000009F0000-0x0000000000A01000-memory.dmp

Filesize
68KB

Download
memory/4988-11-0x00000000009E0000-0x00000000009EC000-memory.dmp

Filesize
48KB

Download
memory/4988-0-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4988-1-0x00000000009E0000-0x00000000009EC000-memory.dmp

Filesize
48KB

Download