Aria-body loader - Threat Group Cards: A Threat Actor
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Archived: 2026-04-05 15:17:43 UTC
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 Tool: Aria-body loader
Names Aria-body loader
Category Malware
Type Loader
Description
(Check Point) The functionality of the Aria-body loader has not changed significantly since
2017, but the implementation varied from version to version. This loader appears to be
specifically created for the Aria-body backdoor.
Overall, the loader is responsible for the following tasks:
• Establish persistence via the Startup folder or theRun registry key (some variants).
• Inject itself to another process such as rundll32.exe and dllhost.exe (some variants).
• Decrypt two blobs: Import Table and the loader configuration.
• Utilize a DGA algorithm if required.
• Contact the embedded / calculated C&C address in order to retrieve the next stage payload.
• Decrypt the received payload DLL (Aria-body backdoor).
• Load and execute an exported function of the DLL – calculated using djb2 hashing
algorithm.
Information Malpedia Last change to this tool card: 27 December 2022
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All groups using tool Aria-body loader
Changed Name Country Observed
https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=5eaa1038-46a4-4d05-8982-25ef7e1cf077
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APT groups
  Naikon, Lotus Panda 2010-Apr 2022  
1 group listed (1 APT, 0 other, 0 unknown)
Source: https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=5eaa1038-46a4-4d05-8982-25ef7e1cf077
https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=5eaa1038-46a4-4d05-8982-25ef7e1cf077
Page 2 of 2