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TROJ_RAWPOS.A

May 12, 2015
 PLATFORM:

Windows

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

  • 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.

  TECHNICAL DETAILS

File Size:

1,800,457 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

12 May 2015

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 creates the following folders:

  • %User Temp%/p2xtmp-352
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/Digest
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/Digest/MD5
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/MIME
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/MIME/Base64
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/re
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/Cwd
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/List
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/List/Util
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/B
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/mro
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/Win32API
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/Win32API/File
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/Fcntl
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/Win32
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/Win32/Console
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/IO
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/Win32/API
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/threads
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/POSIX

(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)

Other System Modifications

This Trojan deletes the following folders:

  • memdump

Dropping Routine

This Trojan drops the following files:

  • %User Temp%/p2xtmp-352/p2x5124.dll
  • %User Temp%/p2xtmp-352/auto/Digest/MD5/MD5.dll
  • %User Temp%/p2xtmp-352/auto/MIME/Base64/Base64.dll
  • %User Temp%/p2xtmp-352/auto/re/re.dll
  • %User Temp%/p2xtmp-352/auto/Cwd/Cwd.dll
  • %User Temp%/p2xtmp-352/auto/List/Util/Util.dll
  • %User Temp%/p2xtmp-352/auto/B/B.dll
  • %User Temp%/p2xtmp-352/auto/mro/mro.dll
  • %User Temp%/p2xtmp-352/auto/Win32API/File/File.dll
  • %User Temp%/p2xtmp-352/auto/Fcntl/Fcntl.dll
  • %User Temp%/p2xtmp-352/auto/Win32/Win32.dll
  • %User Temp%/p2xtmp-352/auto/Win32/Console/Console.dll
  • %User Temp%/p2xtmp-352/auto/IO/IO.dll
  • %User Temp%/p2xtmp-352/auto/Win32/API/API.dll
  • %User Temp%/p2xtmp-352/auto/threads/threads.dll
  • %User Temp%/p2xtmp-352/auto/POSIX/POSIX.dll

(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.750

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Search and delete these components

[ Learn More ]
There may be some components that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %User Temp%/p2xtmp-352/p2x5124.dll
  • %User Temp%/p2xtmp-352/auto/Digest/MD5/MD5.dll
  • %User Temp%/p2xtmp-352/auto/MIME/Base64/Base64.dll
  • %User Temp%/p2xtmp-352/auto/re/re.dll
  • %User Temp%/p2xtmp-352/auto/Cwd/Cwd.dll
  • %User Temp%/p2xtmp-352/auto/List/Util/Util.dll
  • %User Temp%/p2xtmp-352/auto/B/B.dll
  • %User Temp%/p2xtmp-352/auto/mro/mro.dll
  • %User Temp%/p2xtmp-352/auto/Win32API/File/File.dll
  • %User Temp%/p2xtmp-352/auto/Fcntl/Fcntl.dll
  • %User Temp%/p2xtmp-352/auto/Win32/Win32.dll
  • %User Temp%/p2xtmp-352/auto/Win32/Console/Console.dll
  • %User Temp%/p2xtmp-352/auto/IO/IO.dll
  • %User Temp%/p2xtmp-352/auto/Win32/API/API.dll
  • %User Temp%/p2xtmp-352/auto/threads/threads.dll
  • %User Temp%/p2xtmp-352/auto/POSIX/POSIX.dll

Step 3

Search and delete these folders

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
  • %User Temp%/p2xtmp-352
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/Digest
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/Digest/MD5
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/MIME
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/MIME/Base64
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/re
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/Cwd
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/List
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/List/Util
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/B
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/mro
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/Win32API
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/Win32API/File
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/Fcntl
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/Win32
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/Win32/Console
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/IO
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/Win32/API
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/threads
  • %System Root%/DOCUME~1/Wilbert/LOCALS~1/Temp/p2xtmp-352/auto/POSIX

Step 4

Scan your computer with your Trend Micro product to delete files detected as TROJ_RAWPOS.A. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.


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