Analysis by: Arianne Grace Dela Cruz
ALIASES:

RemoteAdmin.Win32.RemoteExec.cu (KASPERSKY); Trojan.IGENERIC (QUICKHEAL)

 PLATFORM:

Windows

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

  • Threat Type: Hacking Tool

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel: Downloaded from the Internet

This Hacking Tool 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: 98,304 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 07 Oct 2019
Payload: Drops files

Arrival Details

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

Dropping Routine

This Hacking Tool drops the following files:

  • {hacktool file path}\RemComSvc_Logs.log → record of hacktool activity

Other Details

This Hacking Tool does the following:

  • It registers itself as a service with the name:
    • RemComSvc
  • This hacking tool creates and connects to the following pipe names which would allow command execution:
    • \\.\pipe\RemCom_communicaton
  • Once it establishes a pipe communication, it will create the following process for remote command execution:
    • cmd.exe /q /c {remote command}

  SOLUTION

Minimum Scan Engine: 9.850
SSAPI PATTERN File: 2.197.00
SSAPI PATTERN Date: 25 Jul 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 HackTool.Win32.RemCom.C

[ 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

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.  
  • {hacktool file path}\RemComSvc_Logs.log

Step 5

Scan your computer with your Trend Micro product to delete files detected as HackTool.Win32.RemCom.C. 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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