2016-08-25 - BOLETO CAMPAIGN

NOTICE:

• The zip archives on this page have been updated, and they now use the new password scheme.  For the new password, see the "about" page of this website.

ASSOCIATED FILES:

• 2016-08-25-Boleto-campaign-infection-traffic.pcap.zip   1.3 MB (1,298,503 bytes)

• 2016-08-25-Boleto-campaign-infection-traffic.pcap   (1,883,162 bytes)

• 2016-08-25-Boleto-campaign-spreadsheets.zip   2.5 kB (2,456 bytes)

• 2016-08-25-Boleto-campaign-malware-and-artifacts-info.csv   (1,862 bytes)
• 2016-08-25-Boleto-campaign-malspam.csv   (1,862 bytes)

• 2016-08-25-Boleto-campaign-malspam.zip   13.9 kB (13,890 bytes)

• 2016-08-25-Boleto-malspam-0438-UTC.eml   (1,850 bytes)
• 2016-08-25-Boleto-malspam-0506-UTC.eml   (1,803 bytes)
• 2016-08-25-Boleto-malspam-0513-UTC.eml   (1,807 bytes)
• 2016-08-25-Boleto-malspam-0529-UTC.eml   (1,830 bytes)
• 2016-08-25-Boleto-malspam-0600-UTC.eml   (1,812 bytes)
• 2016-08-25-Boleto-malspam-0609-UTC.eml   (1,811 bytes)
• 2016-08-25-Boleto-malspam-0619-UTC.eml   (1,851 bytes)
• 2016-08-25-Boleto-malspam-0754-UTC.eml   (1,813 bytes)
• 2016-08-25-Boleto-malspam-0924-UTC.eml   (1,790 bytes)
• 2016-08-25-Boleto-malspam-1436-UTC.eml   (1,792 bytes)

• 2016-08-25-Boleto-campaign-malware-and-artifacts-from-infected-host.zip   1.5 MB (1,496,280 bytes)

• 5vz1qq4k.o45.vbs   (7,775 bytes)
• Ionic.Zip.Reduced.dll   (253,440 bytes)
• PEAUNUTS-PC.aes   (16 bytes)
• PEAUNUTS-PC.zip   (1,079,295 bytes)
• PSEXESVC.exe   (189,792 bytes)
• VCTO25082016aRkY5on8ngavKRcgtalgh2H2UEDGxnEi.vbs   (1,098 bytes)
• aaaaaaaaaaaa.xml   (3,380 bytes)
• dll.dll.exe   (396,480 bytes)
• hrxbrrvy.2ol.vbs   (343 bytes)
• tmp534E.tmp   (11,548 bytes)
• tmpBEAE.tmpps1   (3,460 bytes)
• tmpEAF.tmp   (11,548 bytes)

 

MY PREVIOUS DOCUMENTATION ON THIS CAMPAIGN:

• 2016-08-24 - Boleto campaign
• 2016-08-23 - Boleto campaign
• 2016-08-22 - Boleto campaign
• 2016-08-19 - Boleto campaign
• 2016-08-18 - Boleto campaign
• 2016-08-17 - Boleto campaign
• 2016-08-16 - Boleto campaign
• 2016-08-15 - Boleto campaign
• 2016-08-13 - Boleto campaign
• 2016-07-26 - Malspam hunt (one email at 2016-07-26 18:40 UTC)
• 2016-07-25 - Boleto campaign - Subject: Boleto de Cobranca - FIX - URGENTE

 

EMAILS

Shown above:  Data from the spreadsheet (1 of 2).

 

Shown above:  Data from the spreadsheet (2 of 2).

 

Shown above:  Example of the emails.

 

EMAIL DETAILS

EXAMPLES OF SENDING EMAIL ADDRESSES:

• cobranca@contratocobrancas[.]top
• cobranca@entregaregistrada[.]top
• financeiro@louislittadvocacia[.]top
• financeiro@maxcobrancas[.]xyz
• financeiro@paybackcobrancas[.]top

 

EXAMPLES OF SUBJECT LINES:

• Boleto Bancario via eletronica - LLITT - URGENTE
• Boleto Bancario via eletronica - MAXCOB - URGENTE
• Boleto Bancario via eletronica - PAYBACK - URGENTE
• Boleto de Cobranca - ENTREGA - URGENTE
• Boleto de Cobranca - FIX - URGENTE

 

DOMAINS FROM LINKS IN THE EMAILS:

• bolsender[.]top
• contratocobrancas[.]top
• entregaregistrada[.]top
• envioanexado[.]top
• enviogerenciado[.]top
• envioregistrado.biz
• senderbol[.]top

 

TRAFFIC

Shown above:  Traffic from the pcap filtered in Wireshark.

 

ASSOCIATED DOMAINS:

• cdnfiles.4shared[.]com - VBS file from download link in the malspam
• 65.181.125[.]193 port 80 - 65.181.125[.]193 - GET /a35new/w7.txt
• 65.181.125[.]193 port 80 - 65.181.125[.]193 - GET /a35new/aw7.tiff
• 65.181.125[.]193 port 80 - 65.181.125[.]193 - GET /a35new/w7.zip
• 65.181.113[.]187 port 80 - www.devyatinskiy[.]ru - HTTP callback traffic
• 65.181.125[.]193 port 80 - 65.181.125[.]193 - GET /a35new/dll.dll
• 65.181.125[.]193 port 80 - 65.181.125[.]193 - GET /a35new/dll.dll.exe
• 65.181.113[.]204 port 443 - ssl.houselannister[.]top - IRC traffic (botnet command and control)

• imestre.danagas[.]ru - Response 192.64.147[.]142 - no follow-up UDP or TCP connection
• imestre.noortakaful[.]top - No response
• imestre.waridtelecom[.]top - No response
• imestre.aduka[.]top - No response
• imestre.saltflowinc[.]top - No response
• imestre.moveoneinc[.]top - No response
• imestre.cheddarmcmelt[.]top - No response
• imestre.suzukiburgman[.]top - No response
• imestre.houselannister[.]top - response: 127.0.0[.]1
• xxxxxxxxxxx.localdomain - No response

 

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