TrojanSpy.Win32.SOCELARS.CDK

September 10, 2021
 Analysis by: Arianne Grace Dela Cruz
 ALIASES:

Trojan:Win32/CryptInject!MSR (MICROSOFT); UDS:DangerousObject.Multi.Generic (KASPERSKY)

 PLATFORM:

Windows

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

  • Threat Type: Trojan Spy

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Dropped by other malware

This Trojan Spy may be dropped by other malware.

  TECHNICAL DETAILS

File Size:

13,312 bytes

File Type:

DLL

Memory Resident:

Yes

Initial Samples Received Date:

08 Sep 2021

Payload:

Connects to URLs/IPs, Steals information

Arrival Details

This Trojan Spy may be dropped by the following malware:

Installation

This Trojan Spy injects codes into the following process(es):

  • svchost.exe processes with the following command line:
    • netsvcs
    • SystemNetworkService
    • AppService

Other System Modifications

This Trojan Spy adds the following registry keys as part of its installation routine:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{Specific GUID Value 1}

Information Theft

This Trojan Spy gathers the following data:

  • System Basic Information
  • System Processor Information
  • Machine Guid
  • IP address
  • Region
  • Country Code
  • Machine Version
  • User profile and User profile directory
  • Running Processes
  • Services
  • Login Data, User name, Password, and Cookies from the following browsers:
    • Chrome
    • Microsoft Edge
    • Opera
    • Yandex
    • Firefox
  • Instagram Information:
    • Session ID
    • Email
    • Phone number
    • Username
    • Viewer id
  • Facebook Information:
    • Billing information
    • Credit Card information
    • History Transaction
    • Number of Friends
    • Personal Settings
    • If business account
    • Country
    • Currency
    • Restrictions
    • Ads configurations
  • Data from Steam Application if installed

Stolen Information

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

  • https://a.{BLOCKED}ans.net/report7.4.php
  • https://b.{BLOCKED}ans.net/report7.4.php

Other Details

This Trojan Spy connects to the following URL(s) to get the affected system's IP address:

  • http://ip-api.com/json/?fields=8198 - also includes the Country code and region

It does the following:

  • It loads the following file in memory:
    • %User Temp%\sqlite.dat
  • It connects to the following URL to send the data from the registry HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{Custom GUID 2} if existing:
    • https://{BLOCKED}me.com/click.php?cnv_id=%s&cl=%d

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

16.954.04

FIRST VSAPI PATTERN DATE:

08 Sep 2021

VSAPI OPR PATTERN File:

16.955.00

VSAPI OPR PATTERN Date:

09 Sep 2021

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

Restart in Safe Mode

[ Learn More ]

Step 4

Delete this registry key

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

 
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
    • CLSID\{Specific GUID Value 1}

Step 5

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TrojanSpy.Win32.SOCELARS.CDK. 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 this Knowledge Base page for more information.


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