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Permanent link Tool: DeputyDog

NamesDeputyDog
Fexel
CategoryMalware
TypeBackdoor
Description(FireEye) FireEye detected the payload used in these attacks on August 23, 2013 in Japan. The payload was hosted on a server in Hong Kong (210.176.3.130) and was named “img20130823.jpg”. Although it had a .jpg file extension, it was not an image file. The file, when XORed with 0x95, was an executable (MD5: 8aba4b5184072f2a50cbc5ecfe326701).

Upon execution, 8aba4b5184072f2a50cbc5ecfe326701 writes “28542CC0.dll” (MD5: 46fd936bada07819f61ec3790cb08e19) to this location:
C:\Documents and Settings\All Users\Application Data\28542CC0.dll

In order to maintain persistence, the original malware adds this registry key:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\28542CC0
The registry key has this value:
rundll32.exe “C:\Documents and Settings\All Users\Application Data\28542CC0.dll”,Launch

The malware (8aba4b5184072f2a50cbc5ecfe326701) then connects to a host in South Korea (180.150.228.102). This callback traffic is HTTP over port 443 (which is typically used for HTTPS encrypted traffic; however, the traffic is not HTTPS nor SSL encrypted).
Information<https://www.fireeye.com/blog/threat-research/2013/09/operation-deputydog-zero-day-cve-2013-3893-attack-against-japanese-targets.html>
Malpedia<https://malpedia.caad.fkie.fraunhofer.de/details/win.deputydog>
AlienVault OTX<https://otx.alienvault.com/browse/pulses?q=tag:deputydog>

Last change to this tool card: 26 May 2020

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All groups using tool DeputyDog

ChangedNameCountryObserved

APT groups

XAPT 17, Deputy Dog, Elderwood, Sneaky PandaChina2009-Sep 2017 
 Axiom, Group 72China2008-2008/2014 

2 groups listed (2 APT, 0 other, 0 unknown)

Thailand Computer Emergency Response Team (ThaiCERT)
Electronic Transactions Development Agency

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