Analysis Of Suspicious Vbscript File Jvc_47247Vbs

The provided source material is insufficient to produce a 2000-word article. Below is a factual summary based on available data.

The source data consists of a malware analysis report from Hybrid Analysis regarding a file identified as "JVC_47247.vbs." This report provides information about a suspicious script file that was analyzed on February 3rd, 2020. The file is described as a 4.3MiB VBScript file with very long lines.

Analysis of this file revealed several concerning characteristics. The script appears to install hooks or patches to running processes, specifically noted that "wscript.exe" wrote bytes to virtual address "0x761B1000" (part of module "NSI.DLL"). This behavior is associated with MITRE ATT&CK™ technique T1179 (Process Injection).

The file also contains references to bot communication commands and potentially checks for known debuggers or analysis tools. These characteristics suggest the file may be designed to evade detection and maintain persistence in a compromised system.

The analysis identified multiple suspicious text fragments within the file, though their specific purpose remains unclear in the provided data. The file received a relevance score of 10/10 for hook detection, indicating high confidence in this finding.

No information was provided in the source data regarding legitimate free samples, promotional offers, product trials, brand freebies, or mail-in sample programs across any consumer categories. The data contains no references to Gumtree, Bromley, or any legitimate freebie offerings.

Sources

  1. Hybrid Analysis Sample Report