Analysis by: Mohammed Malubay
ALIASES:

Worm:Win32/Hamweq!inf(MICROSOFT); Worm.Win32.AutoRun.dui(KASPERSKY); Trojan.AutorunINF.Gen(BITDEFENDER);

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

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

It automatically executes files when a user opens a drive.

  TECHNICAL DETAILS

File Size: 274 bytes
File Type: INF
Memory Resident: No
Initial Samples Received Date: 24 Jan 2020

Arrival Details

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

Propagation

The said .INF file contains the following strings:

[autorun]
open=RECYCLER\S-1-5-21-1482476501-1644491937-682003330-1013\ise32.exe
icon=%SystemRoot%\system32\SHELL32.dll,4
action=Open folder to view files
shell\open=Open
shell\open\command=RECYCLER\S-1-5-21-1482476501-1644491937-682003330-1013\ise32.exe
shell\open\default=1

Other Details

This Trojan automatically executes the following files when a user opens a drive:

  • RECYCLER\S-1-5-21-1482476501-1644491937-682003330-1013\ise32.exe