seon | 1cdaa3c87b640f749452205df24cd3b9338dbfac5a2c73a96ea20f41e9a799e0

Analysis

max time kernel
149s
max time network
150s
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 08:32

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General

Target

56.exe
Size

147KB
MD5

691bc42ad3905fa13d1f088e1aaf07c8
SHA1

4747422f504a5b8638a53255905bc759316cdf45
SHA256

640d57062a58daf8cde747d115085e323923d5f297fe6e76960c0953a1c75139
SHA512

18ec42ef13042539460e20f339a0495c1d87ff3764476fd5dd53197788df4a233879a9c8f709a89915a0f9bca46a3af85cd7b0b7426c2f89620b10ffee506431
SSDEEP

3072:U9dUEfLpw3gCidSMFztbGw9Pz5DHrN+Ch:U9d/w3gN/pZH

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/sTCXTykX http://goldeny4vs3nyoht.onion/sTCXTykX 3. Enter your personal decryption code there: sTCXTykX4suKWYkhXx5DfnE2SoveLasU7cCNtyNhdyAaXN8QHyuZ2WUTmDSQJHFGzc7uYZFr4ndYHwxf5iLEw1WNuWrWweP8

URLs

http://golden5a4eqranh7.onion/sTCXTykX

http://goldeny4vs3nyoht.onion/sTCXTykX

Signatures

Seon
The Seon Ransomware is an encryption ransomware Trojan first observed on November 14, 2018.
trojan ransomware seon
Renames multiple (849) 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
452	eudcedit.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	56.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eudcedit.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 452	2572	56.exe	82
PID 2572 wrote to memory of 452	2572	56.exe	82
PID 2572 wrote to memory of 452	2572	56.exe	82

C:\Users\Admin\AppData\Local\Temp\56.exe
"C:\Users\Admin\AppData\Local\Temp\56.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2572
- C:\Users\Admin\AppData\Roaming\{10b06dc9-d0b4-4277-acc0-de2d9d3f13ff}\eudcedit.exe
  "C:\Users\Admin\AppData\Roaming\{10b06dc9-d0b4-4277-acc0-de2d9d3f13ff}\eudcedit.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:452

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\{10b06dc9-d0b4-4277-acc0-de2d9d3f13ff}\eudcedit.exe

Filesize
147KB

MD5
691bc42ad3905fa13d1f088e1aaf07c8

SHA1
4747422f504a5b8638a53255905bc759316cdf45

SHA256
640d57062a58daf8cde747d115085e323923d5f297fe6e76960c0953a1c75139

SHA512
18ec42ef13042539460e20f339a0495c1d87ff3764476fd5dd53197788df4a233879a9c8f709a89915a0f9bca46a3af85cd7b0b7426c2f89620b10ffee506431

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

Filesize
778B

MD5
5fdbfdcba53ea28b9695a1a9cf3f0383

SHA1
18a226b38b06c0d14f48515d4fdb67a472270d0d

SHA256
9484c544201b630ee71f0d22636812ae0efe613520c1ac18ba6065dd0c0474c8

SHA512
979fd3bb488386e3f41831e091b2e2d02030400e40b03e39998b2f311f3d7f7ca43ac184e7dbea97dec91595bcada85d6925a2237f116d1b0ce2688a47f25ed2

Download Submit
memory/452-14-0x00000000006E0000-0x00000000006EC000-memory.dmp

Filesize
48KB

Download
memory/452-15-0x00000000006F0000-0x0000000000701000-memory.dmp

Filesize
68KB

Download
memory/452-16-0x00000000006F0000-0x0000000000701000-memory.dmp

Filesize
68KB

Download
memory/452-1720-0x00000000006F0000-0x0000000000701000-memory.dmp

Filesize
68KB

Download
memory/452-1721-0x00000000006F0000-0x0000000000701000-memory.dmp

Filesize
68KB

Download
memory/2572-0-0x00000000008A0000-0x00000000008AC000-memory.dmp

Filesize
48KB

Download
memory/2572-1-0x00000000008B0000-0x00000000008C1000-memory.dmp

Filesize
68KB

Download
memory/2572-12-0x00000000008A0000-0x00000000008AC000-memory.dmp

Filesize
48KB

Download
memory/2572-11-0x00000000008B0000-0x00000000008C1000-memory.dmp

Filesize
68KB

Download