seon | 3d8c03ffa5fb4a6eef11b131a267b2208193f531fd1d0d2cabc392852e9e5289

General

Target

3d8c03ffa5fb4a6eef11b131a267b2208193f531fd1d0d2cabc392852e9e5289.exe
Size

147KB
MD5

b9426017b811a9d3f54171882c63535e
SHA1

dd8ff3a8521f910b31214e08ee438addeae22358
SHA256

3d8c03ffa5fb4a6eef11b131a267b2208193f531fd1d0d2cabc392852e9e5289
SHA512

d92b5e14f2095bccafafbb6d2fc3c0a1140bc5ac729c1dbe06d31180ed6f6fd326b77f7cf1a91778db7cfee1058d1cd127d44700d541f4eedb7c5e3559e4e06e

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/nRhAUTwV http://goldeny4vs3nyoht.onion/nRhAUTwV 3. Enter your personal decryption code there: nRhAUTwVji9RGo5msXVKerinVL2ajVzQtPqUbVHtsuvXshv3ovLyfDUEbXSJRU5yaS5x2R2q7J1z4pZXHgHBvpDXA3CxudXf

URLs

http://golden5a4eqranh7.onion/nRhAUTwV

http://goldeny4vs3nyoht.onion/nRhAUTwV

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
3664	MuiUnattend.exe

Modifies extensions of user files 9 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\HideGrant.raw => C:\Users\Admin\Pictures\HideGrant.raw.nRhAUTwV	MuiUnattend.exe
File renamed	C:\Users\Admin\Pictures\MoveOpen.raw => C:\Users\Admin\Pictures\MoveOpen.raw.nRhAUTwV	MuiUnattend.exe
File renamed	C:\Users\Admin\Pictures\ResizeWrite.raw => C:\Users\Admin\Pictures\ResizeWrite.raw.nRhAUTwV	MuiUnattend.exe
File renamed	C:\Users\Admin\Pictures\DismountFind.png => C:\Users\Admin\Pictures\DismountFind.png.nRhAUTwV	MuiUnattend.exe
File renamed	C:\Users\Admin\Pictures\EnterCopy.crw => C:\Users\Admin\Pictures\EnterCopy.crw.nRhAUTwV	MuiUnattend.exe
File renamed	C:\Users\Admin\Pictures\LimitPing.png => C:\Users\Admin\Pictures\LimitPing.png.nRhAUTwV	MuiUnattend.exe
File renamed	C:\Users\Admin\Pictures\ResetCompress.png => C:\Users\Admin\Pictures\ResetCompress.png.nRhAUTwV	MuiUnattend.exe
File renamed	C:\Users\Admin\Pictures\CheckpointClear.png => C:\Users\Admin\Pictures\CheckpointClear.png.nRhAUTwV	MuiUnattend.exe
File renamed	C:\Users\Admin\Pictures\JoinPush.crw => C:\Users\Admin\Pictures\JoinPush.crw.nRhAUTwV	MuiUnattend.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 4656 wrote to memory of 3664	4656	3d8c03ffa5fb4a6eef11b131a267b2208193f531fd1d0d2cabc392852e9e5289.exe	75
PID 4656 wrote to memory of 3664	4656	3d8c03ffa5fb4a6eef11b131a267b2208193f531fd1d0d2cabc392852e9e5289.exe	75
PID 4656 wrote to memory of 3664	4656	3d8c03ffa5fb4a6eef11b131a267b2208193f531fd1d0d2cabc392852e9e5289.exe	75

C:\Users\Admin\AppData\Local\Temp\3d8c03ffa5fb4a6eef11b131a267b2208193f531fd1d0d2cabc392852e9e5289.exe
"C:\Users\Admin\AppData\Local\Temp\3d8c03ffa5fb4a6eef11b131a267b2208193f531fd1d0d2cabc392852e9e5289.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4656
- C:\Users\Admin\AppData\Roaming\{b5c09c36-2729-4b0a-bd52-b68be25214cc}\MuiUnattend.exe
  "C:\Users\Admin\AppData\Roaming\{b5c09c36-2729-4b0a-bd52-b68be25214cc}\MuiUnattend.exe"
  2⤵
  - Executes dropped EXE
  - Modifies extensions of user files
  PID:3664

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

Replay Monitor

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Downloads

memory/3664-119-0x0000000000490000-0x00000000005DA000-memory.dmp

Filesize
1.3MB

Download
memory/3664-120-0x0000000000490000-0x00000000005DA000-memory.dmp

Filesize
1.3MB

Download
memory/4656-115-0x0000000002170000-0x0000000002181000-memory.dmp

Filesize
68KB

Download
memory/4656-114-0x00000000005C0000-0x00000000005CC000-memory.dmp

Filesize
48KB

Download

Analysis

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