Analysis by: Henry Alarcon Jr.
ALIASES:

Python/KillDB.C (ESET-NOD32), Trojan:Win32/Occamy.C (Microsoft), W32/OtorunN (Fortinet)

 PLATFORM:

Windows

 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.

  TECHNICAL DETAILS

File Size: 4,825,143 bytes
Memory Resident: No
Initial Samples Received Date: 04 Apr 2019
Payload: Connects to URLs/IPs

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.

Information Theft

This Trojan Spy gathers the following data:

  • Use of default credentials in FTP, MySQL, PostgreSQL, MongoDB, Redis, Memcached
  • Tomcat default credentials and misconfigurations.
  • Default SVN and Git paths
  • Git repository format version content
  • PhpMyAdmin details
  • Www backup paths
  • RealVNC Enterprise Direct Connect
  • RSYNC accessibility

Stolen Information

This Trojan Spy sends the gathered information via HTTP POST to the following URL:

  • http://s.{BLOCKED}espa33w.tk/c3?{stolen data}
  • http://s.{BLOCKED}dgpzk.tk/c3?{stolen data}
  • http://s.{BLOCKED}k.xyz/c3?{stolen data}
  • http://s.{BLOCKED}7.xyz/c3?{stolen data}
  • where "stolen data" is the malware used for accessibilty to login/collect details:
    • wanip={hostname or ip}&username={username}&password={password}&lanip={service name}&port={port}
      where username and passwords value could be:
      • uri path
      • git or svn paths
      • git content
      • details
      • backup paths
      • password
      • usernames

Other Details

This Trojan Spy does the following:

  • It connect to the following url to receives instructions with an encoded public network range to scan:
    • http://s.{BLOCKED}3r6espa33w.tk/ci2
    • http://s.{BLOCKED}hainbdgpzk.tk/ci2
    • http://s.{BLOCKED}k.xyz/ci2
    • http://s.{BLOCKED}7.xyz/ci2
  • It uses the following usernames and passwords to attempt to log into the target services:
    Usernames:
    • ftp
      • www
      • admin
      • root
      • db
      • wwwroot
      • data
      • web
      • ftp
    • mysql
      • root
      • admin
    • telnet
      • administrator
      • admin
      • root
      • cisco
    • postgresql
      • postgres
      • admin
    • mongodb
      • admin
    • redis
      • null
    • memcached
      • null

    Passwords:
    • q1w2e3
    • 123456
    • root
    • rootroot
    • 12345678
    • abc123
    • root123
    • 1234qwer
    • test
    • asdfghjkl
    • abcd1234
    • 1234
    • admin
    • r00t
    • password
    • p@ssw0rd
    • 1q2w3e4r
    • 123
    • 123qwe!@#
    • qazwsx
    • qwer1234
    • 111111
    • 123456789
    • 1qaz2wsx
    • 12345
    • mustang
    • 1234567890
    • admin123
    • 000000
    • 1qazxsw2
    • P@ssw0rd
    • 123qwe
    • root2015
    • 123123
    • 88888888
    • aaaa1111
    • qq123456
    • qwe123
    • qwer
    • abc123456
    • nopass
    • 666666
    • 1234567
    • asd123456

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 14.920.01
FIRST VSAPI PATTERN DATE: 04 Apr 2019
VSAPI OPR PATTERN File: 14.921.00
VSAPI OPR PATTERN Date: 05 Apr 2019

Step 1

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 2

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 3

Identify and terminate files detected as TrojanSpy.Python.XWO.A

[ Learn More ]
  1. Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
  2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 4

Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.Python.XWO.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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