DDOS_NITOL.GM

January 23, 2014
 Analysis by: Jennifer Gumban
 ALIASES:

DDoS:Win32/Nitol.A (Microsoft), Trojan.Win32.Scar.dodr (Kaspersky)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

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

  • Threat Type: Others

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This malware 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:

28,672 bytes

File Type:

EXE

Initial Samples Received Date:

18 Dec 2013

Arrival Details

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

Other System Modifications

This malware adds the following registry entries:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\Distribuonv
Description = "Distribuhod Transaction Coordinator Service."

Other Details

This malware connects to the following possibly malicious URL:

  • http://{BLOCKED}10.{BLOCKED}2.org:8080
  • http://{BLOCKED}10.{BLOCKED}2.org

It drops the following file(s)/component(s):

  • %System%\{random 6 characters}.exe

(Note: %System% is the Windows system folder, which is usually C:\Windows\System32.)