# Group123/APT37

## 20221208

Internet Explorer 0-day exploited by North Korean actor APT37

https://blog.google/threat-analysis-group/internet-explorer-0-day-exploited-by-north-korean-actor-apt37/

word-template[.]net 
openxmlformat[.]org 
ms-office[.]services 
ms-offices[.]com 
template-openxml[.]com 

## 20211129

ScarCruft surveilling North Korean defectors and human rights activists

https://securelist.com/scarcruft-surveilling-north-korean-defectors-and-human-rights-activists/105074/

## 20191111

Group123，North Korean defector sponsor 'Dragon Messenger' mobile APT attack

https://blog.alyac.co.kr/2588 (Nov 11 , 2019)

## 20190423

### Spear Phishing operation:

Group123, APT attack impersonating Unification Ministry, spread malicious code to Google Drive

https://blog.alyac.co.kr/2268 (April 22 , 2019)


related：

'group123' group 'survey on the total number of discovery of separated families in North and South'

https://blog.alyac.co.kr/1767 (July 28, 2014)

IOC：

email_93682646.html

88107e3c785d3d30e5f6fc191622a157

memo.utr

86f83586c96943ce96309e3017a3500c

email:
Lee Soo-hyun <loveshlee@unikorea.go.kr>
211.197.11.18

info:
http://155.138.236.240/sec[.]png?id=

### phishing:

### input password and login it will redirect to unikorea.go.kr
https://unikorea.go.kr/upload/editUpload/20190418/2019041814360535872.png
https://unikorea.go.kr/upload/editUpload/20190418/2019041814364795734.png

### The html file is misleading in this two-step process and will connect you to a specific Google Drive address in the background.

download:memo.utr
google drive owner: 한국정치학회
Gmail:kpsapress@gmail.com

decode PE and collect private information 
### post to "pcloud"
the authorize email is kcrc1214@hanmail.net ,2018.12.3 join


The attacking organization seems to have registered Russian expressions to intentionally give the analysts a false flag, and when translated into English, it will change to the expression 'Humpty Dumpty'.

### D:\System\Kernel32\Shell32\Sample\Release\Шалтай-Болтай.pdb (Humpty Dumpty)

### HTML code feature

<meta http-equiv ='Content-Type'content ='text / html; charset = UTF-8'/>
<meta http-equiv ='Cache-Control'content ='no-cache'/>
<meta http-equiv ='Pragma'content ='no-cache'/>
<meta http-equiv ='Expires'content ='0'/>
<meta http-equiv =“X-UA-Compatible”content =“IE = Edge”/>