ch0ic3/CyberThreatIntel
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Update Malware analysis 31-08-19.md

Browse Source
This commit is contained in:
StrangerealIntel 2019-09-01 01:30:02 +02:00 committed by GitHub
parent 2c38c3c124
commit 7e2fec5c05
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 16 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
offshore APT organization/Bitter/27-08-19/Malware analysis 31-08-19.md
View File

@ -32,9 +32,25 @@
###### Now we can see the actions did by the malware.
![alt text](https://raw.githubusercontent.com/StrangerealIntel/CyberThreatIntel/master/offshore%20APT%20organization/Bitter/27-08-19/Images/res.png "")
![alt text](https://raw.githubusercontent.com/StrangerealIntel/CyberThreatIntel/master/offshore%20APT%20organization/Bitter/27-08-19/Images/decstr.png "")
###### Once this done, we can see on the entrypoint, this use the startupinfo structure to specify window properties, verify the header of the PE and the get the environment values for create the process. The malware is coded in C++ language.
![alt text](https://raw.githubusercontent.com/StrangerealIntel/CyberThreatIntel/master/offshore%20APT%20organization/Bitter/27-08-19/Images/Entry.png "")
###### We can observe that the malware push the persistence in the startup menu.
![alt text](https://raw.githubusercontent.com/StrangerealIntel/CyberThreatIntel/master/offshore%20APT%20organization/Bitter/27-08-19/Images/persistence.png "")
###### This query the registry for get the version of the OS
![alt text](https://raw.githubusercontent.com/StrangerealIntel/CyberThreatIntel/master/offshore%20APT%20organization/Bitter/27-08-19/Images/GetProcname.PNG "")
###### This use too , the EncodePointer function for encoding a specified pointer (encoded pointers can be used to provide another layer of protection for pointer values).
![alt text](https://raw.githubusercontent.com/StrangerealIntel/CyberThreatIntel/master/offshore%20APT%20organization/Bitter/27-08-19/Images/PointerDATA.png "")
###### After perform the reconnaissance actions, this send the informations to the C2
![alt text](https://raw.githubusercontent.com/StrangerealIntel/CyberThreatIntel/master/offshore%20APT%20organization/Bitter/27-08-19/Images/send.png "")
###### In additional capacity, this can send a query the C2
![alt text](https://raw.githubusercontent.com/StrangerealIntel/CyberThreatIntel/master/offshore%20APT%20organization/Bitter/27-08-19/Images/query.png "")
### Cyber kill chain <a name="Cyber-kill-chain"></a>
###### This process graph represents the cyber kill chain of Bitter sample.
![alt text](https://raw.githubusercontent.com/StrangerealIntel/CyberThreatIntel/master/offshore%20APT%20organization/Bitter/27-08-19/Images/Cyber.png "")
### Cyber Threat Intel<a name="Cyber-Threat-Intel"></a>
## References MITRE ATT&CK Matrix <a name="Ref-MITRE-ATTACK"></a>