2016-08-17 - BOLETO MALSPAM
ASSOCIATED FILES:
- ZIP archive of the pcap: 2016-08-17-boleto-malspam-infection-traffic.pcap.zip 1.3 MB (1,323,124 bytes)
- 2016-08-17-boleto-malspam-infection-traffic.pcap (1,898,762 bytes)
- ZIP archive of the CSV spreadsheets: 2016-08-17-boleto-malspam-spreadsheets.zip 1.9 kB (1,920 bytes)
- 2016-08-17-boleto-malspam-artifacts-information.csv (1,893 bytes)
- 2016-08-17-boleto-malspam-emails.csv (1,404 bytes)
- ZIP archive of the emails: 2016-08-17-boleto-malspam-emails.zip 9.1 kB (9,138 bytes)
- 2016-08-17-0021-UTC-boleto-malspam.eml (1,799 bytes)
- 2016-08-17-0550-UTC-boleto-malspam.eml (1,807 bytes)
- 2016-08-17-0552-UTC-boleto-malspam.eml (1,826 bytes)
- 2016-08-17-0701-UTC-boleto-malspam.eml (1,799 bytes)
- 2016-08-17-0720-UTC-boleto-malspam.eml (1,807 bytes)
- 2016-08-17-0925-UTC-boleto-malspam.eml (1,841 bytes)
- 2016-08-17-1506-UTC-boleto-malspam.eml (1,800 bytes)
- ZIP archive of artifacts from the infected host: 2016-08-17-boleto-malspam-artifacts-from-infected-host.zip 1.4 MB (1,395,932 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
FINAL NOTES
Once again, here are the associated files:
- ZIP archive of the pcap: 2016-08-17-boleto-malspam-infection-traffic.pcap.zip 1.3 MB (1,323,124 bytes)
- ZIP archive of the CSV spreadsheets: 2016-08-17-boleto-malspam-spreadsheets.zip 1.9 kB (1,920 bytes)
- ZIP archive of the emails: 2016-08-17-boleto-malspam-emails.zip 9.1 kB (9,138 bytes)
- ZIP archive of artifacts from the infected host: 2016-08-17-boleto-malspam-artifacts-from-infected-host.zip 1.4 MB (1,395,932 bytes)
ZIP files are password-protected with the standard password. If you don't know it, look at the "about" page of this website.
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