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North Korea/APT/Lazarus/23-10-19/analysis.md
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+ [External analysis](#Analysis)
## Malware analysis <a name="Malware-analysis"></a>
###### The next analysis try to kept the recents events and a logicial improvement and technics of the group, this can go back in the past for compare it.
### CES 2020 (NukeSped)
###### The initial vector of the infection begin by a current exploit in HWP (CVE-2015-6585) to execute an EPS script, this download and execute the next stage of the infection.
![alt text](https://github.com/StrangerealIntel/CyberThreatIntel/blob/master/North%20Korea/APT/Lazarus/23-10-19/Analysis/HWP/EPS.PNG)
###### This execute fisrtly a common trick RtlCaptureContext for have ability to register a top-level exception handler and avoid debbuging.
![alt text](https://raw.githubusercontent.com/StrangerealIntel/CyberThreatIntel/master/North%20Korea/APT/Lazarus/23-10-19/Analysis/HWP/mal_anti-debug.png)
###### Once this done, the malware execute a series of actions like list the disks, process, files and push it in differents files as temp file in waiting to send the data to C2.
![alt text](https://raw.githubusercontent.com/StrangerealIntel/CyberThreatIntel/master/North%20Korea/APT/Lazarus/23-10-19/Analysis/HWP/mal_sysinfo.png)
![alt text](https://raw.githubusercontent.com/StrangerealIntel/CyberThreatIntel/master/North%20Korea/APT/Lazarus/23-10-19/Analysis/HWP/mal_disks.png)
![alt text](https://raw.githubusercontent.com/StrangerealIntel/CyberThreatIntel/master/North%20Korea/APT/Lazarus/23-10-19/Analysis/HWP/mal_finfFile.png)
###### The backdoor push the cookie settings and guid for the identification in the C2.
![alt text](https://raw.githubusercontent.com/StrangerealIntel/CyberThreatIntel/master/North%20Korea/APT/Lazarus/23-10-19/Analysis/HWP/mal_pushguid.png)
###### This push the list of C2 address to contact, the languages to understand and begin the contact with the C2 in giving the host info.
![alt text](https://raw.githubusercontent.com/StrangerealIntel/CyberThreatIntel/master/North%20Korea/APT/Lazarus/23-10-19/Analysis/HWP/mal_address.png)
![alt text](https://raw.githubusercontent.com/StrangerealIntel/CyberThreatIntel/master/North%20Korea/APT/Lazarus/23-10-19/Analysis/HWP/mal_Options.png)
###### List of the languages used :
|RFC4646/ISO 639 Ref|Lang|
|:--:|:--:|
|Az-Arab|Azerbaijani in Arabic script|
|de-CH|Swiss German|
|en-US|English as used in the United States|
###### If the target is interesting for the group, this execute command and others tools in the computer infected.
## Cyber kill chain <a name="Cyber-kill-chain"></a>
###### The process graphs resume all the cyber kill chains used by the attacker.
![alt text]()