Modified by: Jemimah Mae Molina
ALIASES:

HEUR:Exploit.Win32.CVE-2017-8464.gen (KASPERSKY)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel: Dropped by other malware

This Trojan may be dropped by other malware.

It takes advantage of certain vulnerabilities.

  TECHNICAL DETAILS

File Size: 320,297 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 23 May 2019
Payload: Exploits vulnerability

Arrival Details

This Trojan may be dropped by the following malware:

Installation

This Trojan drops the following files:

  • %System Root%\cve\WmOXSshkpQfaLVED.dll (32-bit) → copies and executes {drive letter}:\123456789.exe (detected as Worm.Win32.BLASQUI.A) as C:\svchost.exe
  • %System Root%\cve\OuWZjtdbLqFVMSLF.dll (64-bit) → copies and executes {drive letter}:\123456789.exe (detected as Worm.Win32.BLASQUI.A) as C:\svchost.exe
  • %System Root%\cve\uZfBVEFQdlRgsvpT_D.lnk → shortcut link to D:\WmOXSshkpQfaLVED.dll
  • %System Root%\cve\hRAVeKFdQFfUWWqf_D.lnk → shortcut link to D:\OuWZjtdbLqFVMSLF.dll
  • %System Root%\cve\DNfOzAatoSkUAZpM_E.lnk → shortcut link to E:\WmOXSshkpQfaLVED.dll
  • %System Root%\cve\YSfBenPxsQHppZuM_E.lnk → shortcut link to E:\OuWZjtdbLqFVMSLF.dll
  • %System Root%\cve\cRTvZQMkUULYLGmW_F.lnk → shortcut link to F:\WmOXSshkpQfaLVED.dll
  • %System Root%\cve\ZMLUEPWbhtajeFvU_F.lnk → shortcut link to F:\OuWZjtdbLqFVMSLF.dll
  • %System Root%\cve\LqFWHUlZTWlULatC_G.lnk → shortcut link to G:\WmOXSshkpQfaLVED.dll
  • %System Root%\cve\lvdfRmNKdkMexTNn_G.lnk → shortcut link to G:\OuWZjtdbLqFVMSLF.dll
  • %System Root%\cve\gXRyeJymkCbmiXIR_H.lnk → shortcut link to H:\WmOXSshkpQfaLVED.dll
  • %System Root%\cve\bzimVhTxVSVAvqWW_H.lnk → shortcut link to H:\OuWZjtdbLqFVMSLF.dll
  • %System Root%\cve\MkGTeIIFLYOjZclX_I.lnk → shortcut link to I:\WmOXSshkpQfaLVED.dll
  • %System Root%\cve\juHLixrdaEoaGDcL_I.lnk → shortcut link to I:\OuWZjtdbLqFVMSLF.dll
  • %System Root%\cve\SAmbRRbbdmzXwBQm_J.lnk → shortcut link to J:\WmOXSshkpQfaLVED.dll
  • %System Root%\cve\joJczkptYQtfkMNm_J.lnk → shortcut link to J:\OuWZjtdbLqFVMSLF.dll
  • %System Root%\cve\qIeuxAOnUEVJWOEe_K.lnk → shortcut link to K:\WmOXSshkpQfaLVED.dll
  • %System Root%\cve\TpzgiaCNXaSnzlKx_K.lnk → shortcut link to K:\OuWZjtdbLqFVMSLF.dll
  • %System Root%\cve\wDxKJhyBflVPXlwA_L.lnk → shortcut link to L:\WmOXSshkpQfaLVED.dll
  • %System Root%\cve\gzTXwmTukBDryAPx_L.lnk → shortcut link to L:\OuWZjtdbLqFVMSLF.dll
  • %System Root%\cve\xXIRjCUwUvcECnmO_M.lnk → shortcut link to M:\WmOXSshkpQfaLVED.dll
  • %System Root%\cve\FavqRrpXeqruoJwm_M.lnk → shortcut link to M:\OuWZjtdbLqFVMSLF.dll
  • %System Root%\cve\aQRlCerEgjVIRYLQ_N.lnk → shortcut link to N:\WmOXSshkpQfaLVED.dll
  • %System Root%\cve\gBsceXqQIqhXHySi_N.lnk → shortcut link to N:\OuWZjtdbLqFVMSLF.dll
  • %System Root%\cve\AIGrEPvEOTXqjEaw_O.lnk → shortcut link to O:\WmOXSshkpQfaLVED.dll
  • %System Root%\cve\TeNENqdfbnkTNers_O.lnk → shortcut link to O:\OuWZjtdbLqFVMSLF.dll
  • %System Root%\cve\fXtYTHUBPuuoBWrl_P.lnk → shortcut link to P:\WmOXSshkpQfaLVED.dll
  • %System Root%\cve\TywZFloXXLcMoUVP_P.lnk → shortcut link to P:\OuWZjtdbLqFVMSLF.dll
  • %System Root%\cve\nChCLwgSBXaEiwIR_Q.lnk → shortcut link to Q:\WmOXSshkpQfaLVED.dll
  • %System Root%\cve\vnvlkoVTAEtCfPYX_Q.lnk → shortcut link to Q:\OuWZjtdbLqFVMSLF.dll
  • %System Root%\cve\lHGRXkTVRihDzkjl_R.lnk → shortcut link to R:\WmOXSshkpQfaLVED.dll
  • %System Root%\cve\laTnMsKakEOKsJHf_R.lnk → shortcut link to R:\OuWZjtdbLqFVMSLF.dll
  • %System Root%\cve\FNqWxGJfjXHWtsOf_S.lnk → shortcut link to S:\WmOXSshkpQfaLVED.dll
  • %System Root%\cve\QZwHXICgEbiMtEwe_S.lnk → shortcut link to S:\OuWZjtdbLqFVMSLF.dll
  • %System Root%\cve\SDtTgoPxAguJyxBw_T.lnk → shortcut link to T:\WmOXSshkpQfaLVED.dll
  • %System Root%\cve\CJqsRymyTEMnBoEC_T.lnk → shortcut link to T:\OuWZjtdbLqFVMSLF.dll
  • %System Root%\cve\gyhbcKquCWLSOUSd_U.lnk → shortcut link to U:\WmOXSshkpQfaLVED.dll
  • %System Root%\cve\xWiOFoWnpbAxeKSr_U.lnk → shortcut link to U:\OuWZjtdbLqFVMSLF.dll
  • %System Root%\cve\lPfkoJiWxgsoSrsD_V.lnk → shortcut link to V:\WmOXSshkpQfaLVED.dll
  • %System Root%\cve\NfMIupIogETQsWra_V.lnk → shortcut link to V:\OuWZjtdbLqFVMSLF.dll
  • %System Root%\cve\QjcZPYwkZKEVQvgs_W.lnk → shortcut link to W:\WmOXSshkpQfaLVED.dll
  • %System Root%\cve\TFjoAQJOJqTTlynz_W.lnk → shortcut link to W:\OuWZjtdbLqFVMSLF.dll
  • %System Root%\cve\sHEofvMNSNPGPxnI_X.lnk → shortcut link to X:\WmOXSshkpQfaLVED.dll
  • %System Root%\cve\emeDxGEdARUmzHYN_X.lnk → shortcut link to X:\OuWZjtdbLqFVMSLF.dll
  • %System Root%\cve\rxTDIbsrdXcyLvYA_Y.lnk → shortcut link to Y:\WmOXSshkpQfaLVED.dll
  • %System Root%\cve\VhfYGmTcCCcrfTaY_Y.lnk → shortcut link to Y:\OuWZjtdbLqFVMSLF.dll
  • %System Root%\cve\iWYfETBuIkffMlgp_Z.lnk → shortcut link to Z:\WmOXSshkpQfaLVED.dll
  • %System Root%\cve\LdhMQIbWZpcSeVNj_Z.lnk → shortcut link to Z:\OuWZjtdbLqFVMSLF.dll

It creates the following folders:

  • %System Root%\cve

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

Other Details

This Trojan takes advantage of the following vulnerabilities:

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 15.130.04
FIRST VSAPI PATTERN DATE: 24 May 2019
VSAPI OPR PATTERN File: 15.131.00
VSAPI OPR PATTERN Date: 25 May 2019

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 2

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 3

Remove the malware/grayware file dropped/downloaded by Trojan.Win32.CVE20178464.A. (Note: Please skip this step if the threat(s) listed below have already been removed.)

Step 4

Search and delete this file

[ Learn More ]
There may be some files 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.  
  • %System Root%\cve\WmOXSshkpQfaLVED.dll
  • %System Root%\cve\OuWZjtdbLqFVMSLF.dll
  • %System Root%\cve\uZfBVEFQdlRgsvpT_D.lnk
  • %System Root%\cve\hRAVeKFdQFfUWWqf_D.lnk
  • %System Root%\cve\DNfOzAatoSkUAZpM_E.lnk
  • %System Root%\cve\YSfBenPxsQHppZuM_E.lnk
  • %System Root%\cve\cRTvZQMkUULYLGmW_F.lnk
  • %System Root%\cve\ZMLUEPWbhtajeFvU_F.lnk
  • %System Root%\cve\LqFWHUlZTWlULatC_G.lnk
  • %System Root%\cve\lvdfRmNKdkMexTNn_G.lnk
  • %System Root%\cve\gXRyeJymkCbmiXIR_H.lnk
  • %System Root%\cve\bzimVhTxVSVAvqWW_H.lnk
  • %System Root%\cve\MkGTeIIFLYOjZclX_I.lnk
  • %System Root%\cve\juHLixrdaEoaGDcL_I.lnk
  • %System Root%\cve\SAmbRRbbdmzXwBQm_J.lnk
  • %System Root%\cve\joJczkptYQtfkMNm_J.lnk
  • %System Root%\cve\qIeuxAOnUEVJWOEe_K.lnk
  • %System Root%\cve\TpzgiaCNXaSnzlKx_K.lnk
  • %System Root%\cve\wDxKJhyBflVPXlwA_L.lnk
  • %System Root%\cve\gzTXwmTukBDryAPx_L.lnk
  • %System Root%\cve\xXIRjCUwUvcECnmO_M.lnk
  • %System Root%\cve\FavqRrpXeqruoJwm_M.lnk
  • %System Root%\cve\aQRlCerEgjVIRYLQ_N.lnk
  • %System Root%\cve\gBsceXqQIqhXHySi_N.lnk
  • %System Root%\cve\AIGrEPvEOTXqjEaw_O.lnk
  • %System Root%\cve\TeNENqdfbnkTNers_O.lnk
  • %System Root%\cve\fXtYTHUBPuuoBWrl_P.lnk
  • %System Root%\cve\TywZFloXXLcMoUVP_P.lnk
  • %System Root%\cve\nChCLwgSBXaEiwIR_Q.lnk
  • %System Root%\cve\vnvlkoVTAEtCfPYX_Q.lnk
  • %System Root%\cve\lHGRXkTVRihDzkjl_R.lnk
  • %System Root%\cve\laTnMsKakEOKsJHf_R.lnk
  • %System Root%\cve\FNqWxGJfjXHWtsOf_S.lnk
  • %System Root%\cve\QZwHXICgEbiMtEwe_S.lnk
  • %System Root%\cve\SDtTgoPxAguJyxBw_T.lnk
  • %System Root%\cve\CJqsRymyTEMnBoEC_T.lnk
  • %System Root%\cve\gyhbcKquCWLSOUSd_U.lnk
  • %System Root%\cve\xWiOFoWnpbAxeKSr_U.lnk
  • %System Root%\cve\lPfkoJiWxgsoSrsD_V.lnk
  • %System Root%\cve\NfMIupIogETQsWra_V.lnk
  • %System Root%\cve\QjcZPYwkZKEVQvgs_W.lnk
  • %System Root%\cve\TFjoAQJOJqTTlynz_W.lnk
  • %System Root%\cve\sHEofvMNSNPGPxnI_X.lnk
  • %System Root%\cve\emeDxGEdARUmzHYN_X.lnk
  • %System Root%\cve\rxTDIbsrdXcyLvYA_Y.lnk
  • %System Root%\cve\VhfYGmTcCCcrfTaY_Y.lnk
  • %System Root%\cve\iWYfETBuIkffMlgp_Z.lnk
  • %System Root%\cve\LdhMQIbWZpcSeVNj_Z.lnk

Step 5

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.
  • %System Root%\cve

Step 6

Scan your computer with your Trend Micro product to delete files detected as Trojan.Win32.CVE20178464.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 the following Trend Micro Support pages for more information:


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