TROJANSPY.WIN32.EMOTET.SMGA4.HP

October 11, 2018
 Analysis by: Arvin Roi Macaraeg
 PLATFORM:

Windows

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

  • Threat Type: Trojan Spy

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

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

It is injected into all running processes to remain memory resident.

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

  TECHNICAL DETAILS

File Size:

237,072 bytes

File Type:

DLL

Memory Resident:

Yes

Initial Samples Received Date:

11 Oct 2018

Arrival Details

This Trojan Spy 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 Spy is injected into all running processes to remain memory resident.

Autostart Technique

This Trojan Spy adds the following registry entries to enable its automatic execution at every system startup:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
{Malware Filename} = "regsvr32.exe "{Malware Path}\{Malware Filename}.dll""

Other System Modifications

This Trojan Spy modifies the following registry entries:

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Main
NoProtectedModeBanner = "1"

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Main
TabProcGrowth = "0"

Other Details

This Trojan Spy connects to the following possibly malicious URL:

  • http://{BLOCKED}x.com/site/data/000000001c4234832800300004
  • http://{BLOCKED}da.com/site/data/000000001c4234832800300004
  • http://{BLOCKED}iv.com/site/data/000000001c4234832800300004
  • http://{BLOCKED}rz.com/site/data/000000001c4234832800300004
  • http://{BLOCKED}.{BLOCKED}.{BLOCKED}9.45/site/data/000000001c4234832800300004

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