Backdoor.Win32.FARFLI.RFI
a variant of Win32/Farfli.AWK trojan (NOD32)
Windows
Threat Type: Backdoor
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Downloaded from the Internet
This Backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It does not have any propagation routine.
It gathers certain information on the affected computer.
However, as of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
182,272 bytes
EXE
Yes
29 May 2020
Connects to URLs/IPs, Steals information
Arrival Details
This Backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Propagation
This Backdoor does not have any propagation routine.
Rootkit Capabilities
This Backdoor does not have rootkit capabilities.
Information Theft
This Backdoor gathers the following information on the affected computer:
- Username
- Computer name
- Account name
- Account privilege
- System architecture
- Processor name
- OS version
- Malware file name
- Shutdown time
- Boot time
- Local drive volume information
Other Details
This Backdoor does the following:
- It connects to the following C&C servers to download and execute arbitrary code:
- orion.{BLOCKED}nc.com:443
- {BLOCKED}.{BLOCKED}.92.110:443
- It executes the following backdoor commands:
- Update gathered information
- Enumerate files
- Read files
- Write into files
- Upload files
- Create/Delete files
- Copy/Move files
- Create/Delete folder
- Create/Terminate process
- Create/Terminate pipe
- Execute arbitrary code
However, as of this writing, the said sites are inaccessible.
It does not exploit any vulnerability.
SOLUTION
9.850
15.900.01
29 May 2020
15.901.00
30 May 2020
Step 1
Trend Micro Predictive Machine Learning detects and blocks malware at the first sign of its existence, before it executes on your system. When enabled, your Trend Micro product detects this malware under the following machine learning name:
- Troj.Win32.TRX.XXPE50FFF035
Step 2
Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.
Step 3
Scan your computer with your Trend Micro product to delete files detected as Backdoor.Win32.FARFLI.RFI. 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:
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