Threat Encyclopedia

TROJ_MIUREF.CK

Publish date: March 21, 2014

ANALYSIS BY

Mark Joseph Manahan


ALIASES:

Trojan:Win32/Miuref (Microsoft), Win32/Boaxxe.BE trojan (Eset), Trojan.Win32.Inject.gwjs (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:Trojan

  • Destructiveness:No

  • Encrypted:

  • In the wild: Yes

OVERVIEW


This Trojan may be dropped by other malware.

TECHNICAL DETAILS

File Size:

49,152 bytes

File Type:

EXE

Initial Samples Received Date:

17 Dec 2013

Arrival Details

This Trojan may be dropped by other malware.

Autostart Technique

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

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\RunOnce
{GUID} = "{Malware Path}\{Malware Filename}.exe"

Other Details

This Trojan requires the following additional components to properly run:

  • {Malware Path}\setup.dat
  • {Malware Path}\data.dat

Mobile Malware Routine

This Trojan accesses the following possibly malicious URL(s):

  • depends on the {Malware Path}\setup.dat & {Malware Path}\data.dat
  • depends on the {Malware Path}\setup.dat & {Malware Path}\data.dat

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