UPLINK SOC / WRITE-UPS / LETSDEFEND / LETSDEFEND - REMOTE WORKING TLP:CLEAR LETSDEFEND SOLVED GITHUB CASE · 2026-07-23

LetsDefend - Remote Working

Created: 10/01/2024 14:05 Last Updated: 05/06/2024 20:12


Remote Working

c4cbf4faaa46c2052cb0a60639a3144e.png

Analysis XLS File

File link: /root/Desktop/ChallengeFiles/ORDERSHEETSPEC.zip Password: infected

NOTE: Do not open on your local environment. It is a malicious file.


Start Investigation

VirusTotal

Uploaded sample xlsm file to VirusTotal

d23c72fd53e4b1d42f85bd3bbe53f255.png This file was flagged as malicious by 42 security vendor

c7097c9149b848606ad782e5a3f24160.png Some security vendors labeled this file as a Trojan

6c4ab1bce435c326bbf507e6dc7885fa.png It was created on 2020-02-01 18:28:07 UTC

1ff726e737168a8c573e4994fc3bf02e.png Found 1 contacted URL that seem suspicious and might be a payload stage

d9ce8b80bf8b61bf616c111573e69e6f.png It drop 3 files on the disk

Record Future Triage

Uploaded this file to Triage

0a42b265900ff0584429e09baa9c01fc.png Once this file is opened, a child process is spawned and it was a cscript that tries to connect to make a network request to download an actual malware

14948ed663935e239b0dc5405e2d9093.png


What is the date the file was created?

2020-02-01 18:28:07

With what name is the file detected by Bitdefender antivirus?

Trojan.GenericKD.36266294

How many files are dropped on the disk?

3

What is the sha-256 hash of the file with emf extension it drops?

979dde2aed02f077c16ae53546c6df9eed40e8386d6db6fc36aee9f966d2cb82

What is the exact url to which the relevant file goes to download spyware?

https://multiwaretecnologia.com.br/js/Podaliri4.exe

Summary

This XLS File is a microsoft excel with VBA macro embedded. It is a stager that once it opened it tries to download an actual malware from a certain URL.

7b2066901059f845e4d2aefb7077c9bb.png Badge Acquired