Threat Encyclopedia

TSPY_SKIMER.A

Publish date: May 23, 2016

ANALYSIS BY

Jennifer Gumban


ALIASES:

Trojan:Win32/Ligsetrac.D (Microsoft); PWS-BoldDie (McAfee); Trojan.Skimer (Symantec); Trojan.Win32.ExplorerHijack (Sunbelt); Trojan.Skimer.A (FSecure)

PLATFORM:

Windows

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

  • Threat Type:Spyware

  • Destructiveness:No

  • Encrypted:

  • In the wild: Yes

OVERVIEW


This spyware 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:

78,848 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

09 Feb 2013

Arrival Details

This spyware 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 spyware deletes the following files:

  • %Windows%\lsass.exe
  • %Windows%\Prefetch

(Note: %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.)

Dropping Routine

This spyware drops the following files:

  • %Windows%\greenstone.bmp:redstone.bmp
  • %Windows%\greenstone.bmp:bluestone.bmp

(Note: %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.)

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