Analysis by: Maria Emreen Viray
ALIASES:

TrojanDownloader:O97M/Qakbot.STC!MTB (MICROSOFT)

 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.

However, as of this writing, the said sites are inaccessible.

  TECHNICAL DETAILS

Tamaño del archivo 555,520 bytes
Tipo de archivo XLS
Residente en memoria No
Fecha de recepción de las muestras iniciales 21 Oct 2021

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.

Installation

This Trojan adds the following processes:

  • regsvr32 -silent ..\Celod.wac
  • regsvr32 -silent ..\Celod.wac1
  • regsvr32 -silent ..\Celod.wac2

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}.{BLOCKED}.37.236/44490.{Random Numbers}.dat
  • http://{BLOCKED}.{BLOCKED}.90.73/44490.{Random Numbers}.dat
  • http://{BLOCKED}.{BLOCKED}.191.16/44490.{Random Numbers}.dat

However, as of this writing, the said sites are inaccessible.