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WORM_REBHIP.MJTE

June 06, 2015
 ALIASES:

Worm:Win32/Rebhip (Microsoft); [0003080c.EXE]:RDN/Generic.dx!dsn (McAfee); Trojan.Win32.Llac.jvzo (Kaspersky); Trojan.Win32.Generic.pak!cobra (Sunbelt); Trojan horse Inject2.BWIZ (AVG)

 PLATFORM:

Windows

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

  • Threat Type: Worm

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This worm 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:

1,694,720 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

06 Jun 2015

Arrival Details

This worm 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 worm deletes the following folders:

  • %Application Data%\Adobe\8977192E-DF0D-4064-A4ED-CD1ED6123764

(Note: %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming 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.)

Dropping Routine

This worm drops the following files:

  • %User Temp%/final.exe
  • %User Temp%/flashplayer17pp_da_install.exe
  • %User Temp%\Adobe_ADMLogs\Adobe_ADM.log
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\warning_icon_100.png
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\status_icon_caution_100.png
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\status_icon_x_100.png
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\status_icon_check_100.png
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\progressbar_darkgray_base_100.png
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\progressbar_blue_active_100.png
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\transparent.gif
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\gray_button_200.png
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\close_200.png
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\progressbar_pole_null_100.png
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\yellow_button_100.png
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\yellow_button_mini_100.png
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\yellow_button_short_100.png
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\info_icon_100.png
  • %User Temp%\Adobe_ADMLogs\Adobe_GDE.log

(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.. %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming 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.)

Other Details

This worm connects to the following possibly malicious URL:

  • {BLOCKED}0.1
  • {BLOCKED}0.16.58
  • {BLOCKED}.185.92
  • {BLOCKED}.139.210

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%/final.exe
  • %User Temp%/flashplayer17pp_da_install.exe
  • %User Temp%\Adobe_ADMLogs\Adobe_ADM.log
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\warning_icon_100.png
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\status_icon_caution_100.png
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\status_icon_x_100.png
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\status_icon_check_100.png
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\progressbar_darkgray_base_100.png
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\progressbar_blue_active_100.png
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\transparent.gif
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\gray_button_200.png
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\close_200.png
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\progressbar_pole_null_100.png
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\yellow_button_100.png
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\yellow_button_mini_100.png
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\yellow_button_short_100.png
  • %Application Data%\Adobe\4AA098B9-367A-4779-85BC-5D4CF7026706\info_icon_100.png
  • %User Temp%\Adobe_ADMLogs\Adobe_GDE.log

Step 3

Scan your computer with your Trend Micro product to delete files detected as WORM_REBHIP.MJTE. 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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