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2020-08-24-IOCs-for-Trickbot-gtag-ono66.txt
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2020-08-24-IOCs-for-Trickbot-gtag-ono66.txt
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2020-08-24 (MONDAY) - MALSPAM PUSHES TRICKBOT GTAG ONO66
REFERENCE:
- https://twitter.com/Unit42_Intel/status/1298317496265605146
CHAIN OF EVENTS:
- Link from malspam --> Word doc --> enable macros --> Trickbot EXE
EMAIL HEADER INFO FROM AN EXAMPLE OF THE MALSPAM:
- Date: Sun, 23 Aug 2020 18:40:52 -0400 (EDT)
- Received: from ccm201.constantcontact.com (ccm201.constantcontact.com. [208.75.123.201])
- From: Talkline Communications <zev@talklinecommunications.com>
- Reply-To: zev@talklinecommunications.com
- To: [removed]
- Subject: , Shipment delivery problem #00000112525
LINKS FOUND FROM THE MALSPAM SO FAR:
- hxxps://shimicenter[.]org/clientlabel/memberlabel.php
- hxxps://shoppinglink[.]co/labels/userlabel.php
- NOTE: The above URLs contain ?user= followed by the recipient's email address.
41 EXAMPLES OF SHA256 HASHES FOR DOWNLOADED WORD DOCUMENTS FROM MALSPAM LINKS:
- NOTE: These Word docs all have a creation date of 2020-08-17
- 027a24eb1f6d46881fb07cef75b4a1c3dbf0128019eebc70a08d01bc3d28b8c3
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- 0d888424de5d82ce796e02a70de4829f0811e39fd7bb60de5e6362ad90d1179f
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- 2303edf7519645a62695cd57ebaa6c267507a689cb2ba6e1ec28b7ddce1b952c
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- ff9a955b5dadee0340bca220f7a5c00f76b616bf6dc65ca83f6c35437a4d3064
URL GENERATED AFTER ENABLING WORD MACROS:
- hxxp://yektairon[.]com/brands/goodmanstory.php
60 EXAMPLES OF SHA256 HASHES FOR DOWNLOADED EXE FILES FROM THE ABOVE URL:
- 01fe7574243a39b2b0b0ebcb004e0fd5f1eec7759bd1a8ac4b654d31fe415b38
- 09b077883ee1a92949f30700b526dc4f03ce2c0b1305d994aaac3988a3c1cd35
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- ffe90b50e23eb471fc0993d82c667e1e0a7b55223ec8b7ee0b0fa287368d398d
TRAFFIC FROM AN INFECTED WINDOWS HOST:
- 185.10.75[.]26 port 443 (HTTPS) - shimicenter[.]org - GET /clientlabel/memberlabel.php
- 185.10.75[.]26 port 80 - yektairon[.]com - GET /brands/goodmanstory.php
- 185.10.75[.]26 port 443 (HTTPS) - yektairon[.]com - GET /brands/goodmanstory.php
- 82.146.46[.]220 port 443 - attempted TCP connections, unsuccessful
- 86.104.194[.]116 port 443 - attempted TCP connections, unsuccessful
- 185.164.32[.]215 port 443 - attempted TCP connections, unsuccessful
- 92.62.65[.]163 port 449 - HTTPS/SSL/TLS traffic caused by Trickbot
- 37.220.0[.]28 port 447 - HTTPS/SSL/TLS traffic caused by Trickbot
- port 80 - myexternalip.com - GET /raw (IP address check, not inherently malicious)
- 203.176.135[.]102 port 8082 - 203.176.135[.]102:8082 - POST /ono66/[string with info about infected host]/90
- 96.9.73[.]73 port 80 - 96.9.73[.]73 POST /ono66/[string with info about infected host]/81/
- 96.9.73[.]73 port 80 - 96.9.73[.]73 POST /ono66/[string with info about infected host]/83/
- 107.174.192[.]219 port 80 - 107.174.192[.]219 - GET /images/cursor.png
- 107.174.192[.]219 port 80 - 107.174.192[.]219 - GET /images/imgpaper.png