2017-06-01 Jaff "xxxxxxxx.pdf"

2017-06-01: #jaff email phishing campaign "xxxxxxxx.pdf"

Email:
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From: "Sonia" [REDACTED]
To: [REDACTED]
Subject: 53612695.pdf
Date: Fri, 02 Jun 2017 00:02:09 +0200

Attachment: "53612695.pdf"
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- sender is <random>@<recipient domain>
- subject is "<8 random numbers>.pdf"
- body of the email is empty
- attached file "<8 random numbers>.pdf" contains embedded <5-8 random uppercase chars and numbers>.doc file, which contains VBA macros downloading the malware

Download sites:
http://benefeet.org/7rvmnb
http://dsopro.com/7rvmnb
http://eselink.com.my/7rvmnb
http://e-snhv.com/7rvmnb
http://fabriquekorea.com/7rvmnb
http://katoconsulting.ro/7rvmnb
http://newserniggrofg.net/af/7rvmnb
http://orhangazitur.com/7rvmnb
http://paradigmenergycorp.com/7rvmnb
http://poltec.com.au/7rvmnb
http://praktikum-marketing.de/7rvmnb
http://pw-shop.com/7rvmnb
http://resevesssetornument.com/af/7rvmnb
http://tasfirin-ustasi.net/7rvmnb
http://theexcelconsultant.com/7rvmnb
http://vigs.mx/7rvmnb

Malware:
- encoded on download, SHA256 98f0f68feb0495de61add43c717ccb462fbe46bc977bb295c688bd4511272b55, MD5 e364235c573d3b60a5f56a124b325da0
- filesize 251904 bytes
- decode by XORing with 8gLWwOAHEuM6crpxvott0S3wqRCtPVsh
- decoded SHA256 98f0f68feb0495de61add43c717ccb462fbe46bc977bb295c688bd4511272b55, MD5 04a20327fc3a5d98c41e0096452bf9e6
- samples
https://www.virustotal.com/en/file/824901dd0b1660f00c3406cb888118c8a10f66e3258b5020f7ea289434618b13/analysis/
https://www.reverse.it/sample/824901dd0b1660f00c3406cb888118c8a10f66e3258b5020f7ea289434618b13?environmentId=100

C2:
http://whoisfoxxrobiouy.net/a5/