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TrojanSpy.Win64.GETLOADR.THIAOBO

March 20, 2021
 Analysis by: Karen Ivy Titiwa
 ALIASES:

Trojan-Downloader.Win32.Gangola.bk(KASPERSKY); Trojan.Win64.Agent(IKARUS)

 PLATFORM:

Windows

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

  • Threat Type: Trojan Spy

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Dropped by other malware, 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 dropped by other malware.

  TECHNICAL DETAILS

File Size:

283,648 bytes

File Type:

DLL

Memory Resident:

Yes

Initial Samples Received Date:

10 Sep 2020

Payload:

Connects to URLs/IPs, Downloads files, Collects system 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 dropped by the following malware:

Backdoor Routine

This Trojan Spy posts the following information to its command and control (C&C) server:

  • Computer Name
  • Username
  • OS Version
  • OS Architecture
  • Currently Running Processes

Download Routine

This Trojan Spy accesses the following websites to download files:

  • hxxp://{BLOCKED}td.com/slen

It saves the files it downloads using the following names:

  • %UserTemp%\regec.4.{random}.exe

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

16.224.03

FIRST VSAPI PATTERN DATE:

13 Sep 2020

VSAPI OPR PATTERN File:

16.225.00

VSAPI OPR PATTERN Date:

14 Sep 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.XXPE50FFF036

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

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 4

Identify and terminate files detected as TrojanSpy.Win64.GETLOADR.THIAOBO

[ 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 5

Search and delete these files

[ Learn More ]
There may be some files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %UserTemp%\regec.4.{random}.exe

Step 6

Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.Win64.GETLOADR.THIAOBO. 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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