2016-08-23 - BOLETO MALSPAM
ASSOCIATED FILES:
- ZIP archive of the pcap: 2016-08-23-boleto-malspam-infection-traffic.pcap.zip 1.3 MB (1,339,304 bytes)
- 2016-08-23-boleto-malspam-infection-traffic.pcap (1,963,004 bytes)
- ZIP archive of the CSV spreadsheets: 2016-08-23-boleto-malspam-spreadsheets.zip 2.2 kB (2,158 bytes)
- 2016-08-23-boleto-malspam-artifacts-information.csv (1,881 bytes)
- 2016-08-23-boleto-malspam-emails.csv (2,363 bytes)
- ZIP archive of the emails: 2016-08-23-boleto-malspam-emails.zip 15.6 kB (15,582 bytes)
- 2016-08-23-0451-UTC-boleto-malspam.eml (1,817 bytes)
- 2016-08-23-0501-UTC-boleto-malspam.eml (1,838 bytes)
- 2016-08-23-0503-UTC-boleto-malspam.eml (1,803 bytes)
- 2016-08-23-0541-UTC-boleto-malspam.eml (1,822 bytes)
- 2016-08-23-0619-UTC-boleto-malspam.eml (1,850 bytes)
- 2016-08-23-0638-UTC-boleto-malspam.eml (1,811 bytes)
- 2016-08-23-0643-UTC-boleto-malspam.eml (1,805 bytes)
- 2016-08-23-0713-UTC-boleto-malspam.eml (1,819 bytes)
- 2016-08-23-0754-UTC-boleto-malspam.eml (1,856 bytes)
- 2016-08-23-0836-UTC-boleto-malspam.eml (1,786 bytes)
- 2016-08-23-0941-UTC-boleto-malspam.eml (1,853 bytes)
- 2016-08-23-1544-UTC-boleto-malspam.eml (1,819 bytes)
- ZIP archive of artifacts from the infected host: 2016-08-23-boleto-malspam-artifacts-from-infected-host.zip 1.5 MB (1,494,406 bytes)
- Ionic.Zip.Reduced.dll (253,440 bytes)
- PSEXESVC.exe (189,792 bytes)
- SPRINGFIELD-PC.aes (16 bytes)
- SPRINGFIELD-PC.zip (1,079,301 bytes)
- VCTO23082016pozmo4ozQS0aWjcgqOpMjOyKwYU6sDvQ.vbs (1,098 bytes)
- aaaaaaaaaaaa.xml (3,386 bytes)
- dll.dll.exe (396,480 bytes)
- ij2yuclu.itw.vbs (344 bytes)
- tmp15F3.tmpps1 (3,463 bytes)
- tmp2B35.tmp (11,548 bytes)
- tmp7003.tmp (11,548 bytes)
- wifopdhk.oja.vbs (7,773 bytes)
MY PREVIOUS DOCUMENTATION ON THIS CAMPAIGN:
- 2016-08-22 - Boleto malspam
- 2016-08-19 - Boleto malspam
- 2016-08-18 - Boleto malspam
- 2016-08-17 - Boleto malspam
- 2016-08-16 - Boleto malspam
- 2016-08-15 - Boleto malspam
- 2016-08-13 - Boleto malspam
- 2016-07-26 - Malspam hunt (one email at 2016-07-26 18:40 UTC)
- 2016-07-25 - Boleto malspam - 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
- enviocomregistro.top
- envioregistrado.biz
- harveyspecter.top
- jessicapearson.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
FINAL NOTES
Once again, here are the associated files:
- ZIP archive of the pcap: 2016-08-23-boleto-malspam-infection-traffic.pcap.zip 1.3 MB (1,339,304 bytes)
- ZIP archive of the CSV spreadsheets: 2016-08-23-boleto-malspam-spreadsheets.zip 2.2 kB (2,158 bytes)
- ZIP archive of the emails: 2016-08-23-boleto-malspam-emails.zip 15.6 kB (15,582 bytes)
- ZIP archive of artifacts from the infected host: 2016-08-23-boleto-malspam-artifacts-from-infected-host.zip 1.5 MB (1,494,406 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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