ALIASES:

JS_Bondat.A (ESET)

 PLATFORM:

Windows

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

  • Threat Type: Worm

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel: Via physical/removable drives, Propagates via removable drives

This worm arrives via removable drives.

  TECHNICAL DETAILS

File Size: Varies
File Type: JS
Memory Resident: Yes
Initial Samples Received Date: 30 Oct 2014
Payload: Collects system information, Terminates processes

Arrival Details

This worm arrives via removable drives.

Installation

This worm drops the following copies of itself into the affected system and executes them:

  • %User Profile%\{random folder name}\{random string}.js
  • %Application Data%\{random folder name}\{random string}.js

(Note: %User Profile% is a user's profile folder, where it usually is C:\Documents and Settings\{user name} on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name} 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.)

It drops the following component file(s):

  • {removable drive}\{user file or folder name}.lnk - detected as LNK_BONDAT.SM.

    These are shortcut files pointing to the malware's dropped copy in removable drive

It drops the following non-malicious file:

  • %User Profile%\{random folder name}\{string 1}{string 2}{32, 64 or blank}.exe such as intelmon32.exe - copy of the legitimate wscript.exe that is used to execute JS_BONDAT.F
    where {string 1} can be any of the following:
    • win
    • cmd
    • disk
    • dsk
    • ms
    • hp
    • intel
    • amd
    • dll
    • tcp
    • udp
    where {string 2} can be any of the following:
    • process
    • proc
    • monitor
    • mon
    • sys
    • host
    • mgr
    • update
    • updater

(Note: %User Profile% is a user's profile folder, where it usually is C:\Documents and Settings\{user name} on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name} 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.)

It creates the following folders:

  • %User Profile%\{random folder name}
  • %Application Data%\{random folder name}

(Note: %User Profile% is a user's profile folder, where it usually is C:\Documents and Settings\{user name} on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name} 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.)

Autostart Technique

This worm drops the following shortcut pointing to its copy in the User Startup folder to enable its automatic execution at every system startup:

  • Windows Explorer.lnk - detected as LNK_BONDAT.SM0

Other System Modifications

This worm adds the following registry entries:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
Advanced
Hidden = "2"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
Advanced
ShowSuperHidden = "0"

Propagation

This worm creates the following folders in all removable drives:

  • {removable drive}\.Trashes
  • {removable drive}\.Trashes\{random number}

It drops the following copy(ies) of itself in all removable drives:

  • {removable drive}\.Trashes\{random number}\{random string}.js

Information Theft

This worm gathers the following data:

  • user name
  • computer name
  • OS Version
  • Language
  • content of the registry HKLM\Software\Microsoft\Windows NT CurrentVersion\ProductID

Stolen Information

This worm sends the gathered information via HTTP POST to the following URL:

  • http://www2.{BLOCKED}connect.com
  • http://{BLOCKED}.{BLOCKED}.3.136
  • http://static.{BLOCKED}kweb.net

Other Details

This worm does the following:

  • It terminates the following applications if found running:
    • regedit
    • windows-kb
    • mrt
    • rstrui
    • msconfig
    • procexp
    • avast
    • avg
    • mse
    • ptinstall
    • sdasetup
    • issetup
    • fs20
    • mbam
    • housecall
    • hijackthis
    • rubotted
    • autoruns
    • avenger
    • filemon
    • gmer
    • hotfix
    • klwk
    • mbsa
    • procmon
    • regmon
    • sysclean
    • tcpview
    • unlocker
    • wireshark
    • fiddler
    • resmon
    • perfmon
    • msss
    • cleaner
    • otl
    • roguekiller
    • fss
    • zoek
    • emergencykit
    • dds
    • ccsetup
    • vbsvbe
    • combofix
    • frst
    • mcshield
    • zphdiag
  • It terminates itself if the following strings are found in the system:
    • Bochs
    • CaptureClient.exe
    • Citrix
    • QEMU
    • Red Hat
    • VBOX
    • VMware
    • Virtual HDD
    • Xen
    • innotek

NOTES:

It moves all user's files and folders to a hidden folder named "Trashes" in removable drives and sets them to hidden.

  SOLUTION

Minimum Scan Engine: 9.700

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

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

     
    • LNK_BONDAT.SM
    • LNK_BONDAT.SM0

Step 3

Scan your computer with your Trend Micro product and note files detected as JS_BONDAT.SMA

Step 4

Restart in Safe Mode

[ Learn More ]

Step 5

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

 
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
    • Hidden = "2"
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
    • ShowSuperHidden = "0"

Step 6

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.
  • %Application Data%\{random folder name}
  • %User Profile%\{random folder name}
  • {removable drive}\.Trashes\{random number}

Step 7

Restart in normal mode and scan your computer with your Trend Micro product for files detected as JS_BONDAT.SMA. 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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