seon | 1cdaa3c87b640f749452205df24cd3b9338dbfac5a2c73a96ea20f41e9a799e0

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-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/nSAgMYgN http://goldeny4vs3nyoht.onion/nSAgMYgN 3. Enter your personal decryption code there: nSAgMYgNiM1qioN5PV72bR7ADvzErAuNTAYpqjoqsvhH1u3sHPHHDgnsLRgBS4hUL3g5LErNkUTT8QdysS2WdinPB5GiAHo2

URLs

http://golden5a4eqranh7.onion/nSAgMYgN

http://goldeny4vs3nyoht.onion/nSAgMYgN

Signatures

Seon
The Seon Ransomware is an encryption ransomware Trojan first observed on November 14, 2018.
trojan ransomware seon
Renames multiple (254) 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
2368	tcmsetup.exe

Loads dropped DLL 1 IoCs

pid	Process
2136	56.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	56.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2368	2136	56.exe	30
PID 2136 wrote to memory of 2368	2136	56.exe	30
PID 2136 wrote to memory of 2368	2136	56.exe	30
PID 2136 wrote to memory of 2368	2136	56.exe	30
PID 2136 wrote to memory of 2368	2136	56.exe	30
PID 2136 wrote to memory of 2368	2136	56.exe	30
PID 2136 wrote to memory of 2368	2136	56.exe	30

C:\Users\Admin\AppData\Local\Temp\56.exe
"C:\Users\Admin\AppData\Local\Temp\56.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Users\Admin\AppData\Roaming\{74a294c6-1c72-4146-b16f-35db3952d5ec}\tcmsetup.exe
  "C:\Users\Admin\AppData\Roaming\{74a294c6-1c72-4146-b16f-35db3952d5ec}\tcmsetup.exe"
  2⤵
  - Executes dropped EXE
  PID:2368

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\Public\YOUR_FILES_ARE_ENCRYPTED.TXT

Filesize
778B

MD5
a5d91942d99f98060991f6235ee7cbc2

SHA1
4a7cefd87f96b9048438aa565e906a2d4bcdad72

SHA256
5926f2e9c581c1d75f464976c19afa30d9c04584921adfd272fb0c075328f14a

SHA512
adf4b16a2d153d4bbaa2b265d16248cd94642644e1f1d2a6db9dfeba7af192f429e6050d8bdccc95cf9f7b26eb49c8a4ba08f575fc9eacdded3688eb30ed312b

Download Submit
\Users\Admin\AppData\Roaming\{74a294c6-1c72-4146-b16f-35db3952d5ec}\tcmsetup.exe

Filesize
147KB

MD5
691bc42ad3905fa13d1f088e1aaf07c8

SHA1
4747422f504a5b8638a53255905bc759316cdf45

SHA256
640d57062a58daf8cde747d115085e323923d5f297fe6e76960c0953a1c75139

SHA512
18ec42ef13042539460e20f339a0495c1d87ff3764476fd5dd53197788df4a233879a9c8f709a89915a0f9bca46a3af85cd7b0b7426c2f89620b10ffee506431

Download Submit
memory/2136-1-0x0000000000250000-0x0000000000261000-memory.dmp

Filesize
68KB

Download
memory/2136-0-0x0000000000240000-0x000000000024C000-memory.dmp

Filesize
48KB

Download
memory/2136-13-0x0000000000240000-0x000000000024C000-memory.dmp

Filesize
48KB

Download
memory/2368-14-0x0000000000240000-0x000000000024C000-memory.dmp

Filesize
48KB

Download
memory/2368-15-0x0000000000250000-0x0000000000261000-memory.dmp

Filesize
68KB

Download
memory/2368-16-0x0000000000250000-0x0000000000261000-memory.dmp

Filesize
68KB

Download
memory/2368-531-0x0000000000250000-0x0000000000261000-memory.dmp

Filesize
68KB

Download