BKDR_DARKMOON.DF
Backdoor.Darkmoon.E (Symantec), Backdoor.Darkmoon (Sunbelt), W32/Poison.NCY!tr (Fortinet)
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Backdoor
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
Dropped by other malware, Via email
This backdoor arrives as an attachment to email messages spammed by other malware/grayware or malicious users. It may be dropped by other malware.
It does not have any propagation routine.
It executes commands from a remote malicious user, effectively compromising the affected system.
It does not have any downloading capability.
It does not have any information-stealing capability.
TECHNICAL DETAILS
TCP Port 443
49,152 bytes
EXE
Yes
14 Sep 2012
Connects to URLs/IPs
Arrival Details
This backdoor arrives as an attachment to email messages spammed by other malware/grayware or malicious users.
It may be dropped by other malware.
Installation
This backdoor adds the following mutexes to ensure that only one of its copies runs at any one time:
- sgfrh8888
Propagation
This backdoor does not have any propagation routine.
Backdoor Routine
This backdoor opens the following ports:
- 443
It executes the following commands from a remote malicious user:
- Capture screen, audio, and webcam
- Log keystrokes
- List active ports
- Manage open windows
- Manage passwords
- Manage registry, processes, services, devices, and installed applications
- Perform multiple simultaneous transfers
- Perform remote shell
- Relay server
- Search files
- Share servers
- Update, restart, terminates itself
It connects to the following URL(s) to send and receive commands from a remote malicious user:
- {BLOCKED}k.{BLOCKED}e8000.com
- {BLOCKED}k.{BLOCKED}e8000.com
Download Routine
This backdoor does not have any downloading capability.
Information Theft
This backdoor does not have any information-stealing capability.
NOTES:
It does not have rootkit capabilities.
It does not exploit any vulnerability.
SOLUTION
9.200
9.396.01
14 Sep 2012
9.397.00
15 Sep 2012
Step 1
For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.
Step 2
Identify and terminate files detected as BKDR_DARKMOON.DF
- If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
- If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.
Step 3
Scan your computer with your Trend Micro product to delete files detected as BKDR_DARKMOON.DF. 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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