seon | 964b5abe3924a2efc07a955cce450291d880fe57be49018446143f9f3dcf0d7d

General

Target

964b5abe3924a2efc07a955cce450291d880fe57be49018446143f9f3dcf0d7d.exe
Size

79KB
MD5

322d73ea4ce5be6637f635125abee0d3
SHA1

7f6f6c2813768a8df111aad1ebec01b43a6517d3
SHA256

964b5abe3924a2efc07a955cce450291d880fe57be49018446143f9f3dcf0d7d
SHA512

27bebd8c71ac842146c8a599e23f76b7b648e59ee1df951e577a15ff8b40140a109566f66efa40e2465fd29a20a89f450404ec0b3a4c253dbf564fbbace1d1ad
SSDEEP

1536:/tUknV9M6+ygXCNoNGtmFWZPhV8owtnMQPo9NSw249gdhwA2jeddBu:fCygXkoNGtmQZ5wbAzSm9gdhj2aPu

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/s15r6kX6 http://goldeny4vs3nyoht.onion/s15r6kX6 3. Enter your personal decryption code there: s15r6kX6Rph4cEsVdUjHzAp9FqtVfeY1Xn8gj95ZjonsHZdTsEMxoWGAAgrpWqyXrA86NFiL4QgEvCK7WR6io459iYJHsuBU

URLs

http://golden5a4eqranh7.onion/s15r6kX6

http://goldeny4vs3nyoht.onion/s15r6kX6

Signatures

Seon
The Seon Ransomware is an encryption ransomware Trojan first observed on November 14, 2018.
trojan ransomware seon
Seon family
seon
Renames multiple (854) 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
4760	label.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

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	964b5abe3924a2efc07a955cce450291d880fe57be49018446143f9f3dcf0d7d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	label.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3688 wrote to memory of 4760	3688	964b5abe3924a2efc07a955cce450291d880fe57be49018446143f9f3dcf0d7d.exe	87
PID 3688 wrote to memory of 4760	3688	964b5abe3924a2efc07a955cce450291d880fe57be49018446143f9f3dcf0d7d.exe	87
PID 3688 wrote to memory of 4760	3688	964b5abe3924a2efc07a955cce450291d880fe57be49018446143f9f3dcf0d7d.exe	87

C:\Users\Admin\AppData\Local\Temp\964b5abe3924a2efc07a955cce450291d880fe57be49018446143f9f3dcf0d7d.exe
"C:\Users\Admin\AppData\Local\Temp\964b5abe3924a2efc07a955cce450291d880fe57be49018446143f9f3dcf0d7d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3688
- C:\Users\Admin\AppData\Roaming\{38905584-e1cd-4c09-917d-3d1be6754a79}\label.exe
  "C:\Users\Admin\AppData\Roaming\{38905584-e1cd-4c09-917d-3d1be6754a79}\label.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\{38905584-e1cd-4c09-917d-3d1be6754a79}\label.exe

Filesize
79KB

MD5
53d5c3fb96bf1c5d27a45ca35faae395

SHA1
767be78e5519f51a333460540501db06f2456624

SHA256
ebf3825ecbc6b4f63f042dfb040e82b3abed954d71f527e80ab092692f325fbe

SHA512
a371920b3e1f47d1249741a3d46b56238932855c8b87f454fb6946021f9dca551c53037dcf70d6d2081f189f01cd9aa3f4bdc2132fa99471da5a794d78b25e81

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

Filesize
778B

MD5
384d1c60a9a425df067e75da3f792ce2

SHA1
e265e9c239dc48c44f12a431ac9603e3a561e5f4

SHA256
0d5710ec4fc82189b224e4db154dc1f2185e43259297cc6522efb46d92131905

SHA512
6f9b2af7e7470c129d96df3a85b9d71e896270b1c555ff53e94f0d9ed9dfff019acbd8c43a3d781129a320254549a2462ffe9bf170d4fb7b25b5fad5ade22aa4

Download Submit
memory/3688-13-0x00000000005F0000-0x00000000005FC000-memory.dmp

Filesize
48KB

Download
memory/3688-2-0x0000000000600000-0x0000000000611000-memory.dmp

Filesize
68KB

Download
memory/3688-14-0x0000000000600000-0x0000000000611000-memory.dmp

Filesize
68KB

Download
memory/3688-0-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/3688-12-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/3688-1-0x00000000005F0000-0x00000000005FC000-memory.dmp

Filesize
48KB

Download
memory/4760-15-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4760-17-0x0000000000580000-0x000000000058C000-memory.dmp

Filesize
48KB

Download
memory/4760-18-0x00000000006A0000-0x00000000006B1000-memory.dmp

Filesize
68KB

Download
memory/4760-19-0x00000000006A0000-0x00000000006B1000-memory.dmp

Filesize
68KB

Download
memory/4760-1733-0x00000000006A0000-0x00000000006B1000-memory.dmp

Filesize
68KB

Download
memory/4760-1734-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download

Analysis

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