Analysis by: Jemimah Mae Molina
 PLATFORM:

Unix

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Trojan Spy

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel: Downloaded from the Internet

This Trojan Spy arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. It may be downloaded by other malware/grayware from remote sites.

It deletes itself after execution.

  TECHNICAL DETAILS

File Size: 1,772 bytes
File Type: Other
Memory Resident: No
Initial Samples Received Date: 04 May 2020
Payload: Connects to URLs/IPs, Steals information

Arrival Details

This Trojan Spy arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It may be downloaded by the following malware/grayware from remote sites:

Installation

This Trojan Spy drops the following files:

  • /usr/bin/.rksu_sysi.lock → infection marker
  • /tmp/.rksu_sysi.lock → infection marker

Information Theft

This Trojan Spy gathers the following data:

  • Download Speed
  • Uptime
  • SSH Port
  • RAM Information
  • CPU Architecture
  • Processor Architecture
  • Number of Processors
  • Linux Distribution
  • User Name
  • Host Name

Other Details

This Trojan Spy does the following:

  • It terminates itself if any of the following files exist:
    • /usr/share/.workingS
    • /usr/share/.sysinfo
    • /usr/bin/.rksu_sysi.lock
    • /tmp/.rksu_sysi.lock
  • It connects to the following URL to get the infected machine's download speed:
    • http://ipv4.download.{BLOCKED}band.com/200MB.zip
  • It sends the gathered information to the following URL:
    • http://{BLOCKED}nt.red/ip.php?speed={speedtest}&uptime={uptimeinfo}&sshport={sshport}&ram={inforam}&cpumhz={cpumhz}&is32or64bit={is32or64bit}&cpucore={numberofcores}&lsb_release={release}&myusername={myusername}&hostname={myhostname}

It deletes itself after execution.

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 15.848.07
FIRST VSAPI PATTERN DATE: 05 May 2020
VSAPI OPR PATTERN File: 15.849.00
VSAPI OPR PATTERN Date: 06 May 2020

Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.SH.HADGLIDER.A. 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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