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YARA · RussianPanda

RUSSIANPANDA_Win_Mal_Fatmalloc

Detects FatMalloc Crypter

MalwareRussianPandaNo licence (all rights reserved)Compiles with YARA-X
Author
RussianPanda
Date
2025-03-16
Modified
2026-03-16
Score / Quality
75 / 85

What this rule detects

Detects FatMalloc Crypter

Targets: Windows PE.

It defines 3 patterns (1 text, 2 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

Rule text not reproduced

This rule comes from RussianPanda, which does not grant a licence to redistribute its rules (No licence (all rights reserved)). We show its metadata only. Read the original rule upstream:

View the rule on GitHubOpen the repository

References

Sample hashes

Hashes of samples the author lists in the rule's meta (look them up in your threat-intelligence platform).

  • 8a4033425d36cd99fe23e6faef9764fbf555f362ebdb5b72379342fbbe4c5531

Licence & attribution

Author: RussianPanda

Source repository: RussianPanda @ acb504b67b

Licence: No licence (all rights reserved) (repository licence)

Original rule

Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.

Rule id: d4a44adc-2bda-5224-9c1f-8b9de5f03220

Tags:FILE

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