2016-08-17 - 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:

• 2016-08-17-Boleto-campaign-infection-traffic.pcap.zip   1.3 MB (1,323,126 bytes)

• 2016-08-17-Boleto-campaign-infection-traffic.pcap   (1,898,762 bytes)

• 2016-08-17-Boleto-campaign-spreadsheets.zip   2.3 kB (2,304 bytes)

• 2016-08-17-Boleto-campaign-malspam.csv   (1,404 bytes)
• 2016-08-17-Boleto-campaign-malware-and-artifacts-info.csv   (1,893 bytes)

• 2016-08-17-Boleto-campaign-malspam.zip   9.8 kB (9,826 bytes)

• 2016-08-17-Boleto-malspam-0021-UTC.eml   (1,799 bytes)
• 2016-08-17-Boleto-malspam-0550-UTC.eml   (1,807 bytes)
• 2016-08-17-Boleto-malspam-0552-UTC.eml   (1,826 bytes)
• 2016-08-17-Boleto-malspam-0701-UTC.eml   (1,799 bytes)
• 2016-08-17-Boleto-malspam-0720-UTC.eml   (1,807 bytes)
• 2016-08-17-Boleto-malspam-0925-UTC.eml   (1,841 bytes)
• 2016-08-17-Boleto-malspam-1506-UTC.eml   (1,800 bytes)

• 2016-08-17-Boleto-campaign-malware-and-artifacts-from-infected-host.zip   1.4 MB (1,397,692 bytes)

• 16082016vecO7OkL3yLPICleozibKEHa861Hzh9GF.vbs   (1,088 bytes)
• GO-GO-GADGET-PC.aes   (16 bytes)
• GO-GO-GADGET-PC.zip   (1,079,303 bytes)
• Ionic.Zip.Reduced.dll   (253,440 bytes)
• aaaaaaaaaaaa.xml   (3,394 bytes)
• burdg5bw.2su.vbs   (350 bytes)
• dll.dll.exe   (396,480 bytes)
• tmp3F42.tmp   (11,548 bytes)
• tmp7C.tmp   (11,548 bytes)
• tmpCB2C.tmpps1   (3,482 bytes)
• ydygpwq0.k3c.vbs   (7,775 bytes)

 

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@maxcobrancas[.]xyz
• financeiro@paybackcobrancas[.]top
• financeiro@pearsonhardman[.]xyz

 

EXAMPLES OF SUBJECT LINES:

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

 

DOMAINS FROM LINKS IN THE EMAILS:

• boljuridicaexpress[.]top
• contratocobrancas[.]top
• entregaregistrada[.]top
• envioregistrado[.]biz
• sendbolfast[.]top
• sistemaintegrado[.]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)
• 198.105.244[.]228 port 443 - xxxxxxxxxxx.localdomain - Attempted TCP connections RST by server

• 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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