SWF_EXPLOYT.BL
Exploit:SWF/Korpode.A (Microsoft); Exp.SWF.CVE-2018-4878.B (CAT-QuickHeal); SWF/CVE_2018_4878.A!exploit (Fortinet)
Windows
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Dropped by other malware
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It exploits a vulnerability identified as in a zero-day attack. However, as of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
108,813 bytes
SWF
No
22 Jan 2018
Executes files, Connects to URLs/IPs
Arrival Details
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Other Details
This Trojan exploits a zero-day vulnerability. More information on the said vulnerability can be found in the following pages:
It does the following:
- Upon execution, this Trojan downloads and executes a shellcode from the following URL and executes it:
- http://www.{BLOCKED}40.co.kr/conf/product_old.jpg
However, as of this writing, the said sites are inaccessible.
SOLUTION
9.850
13.940.06
22 Jan 2018
13.941.00
23 Jan 2018
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Step 2
Scan your computer with your Trend Micro product to delete files detected as SWF_EXPLOYT.BL. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:
Step 3
Download and apply this security patch Refrain from using these products until the appropriate patches have been installed. Trend Micro advises users to download critical patches upon release by vendors.
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