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⚠

ChiChi

ransomware1 mutex signatures

[BASIC_INFORMATION]

FAMILY_NAME:

ChiChi

CATEGORY:

RANSOMWARE

DESCRIPTION:

ChiChi is a ransomware that encrypts user data using AES-128 + RSA-2048 and demands a ransom to restore the files. It is considered a variant of the Babuk ransomware and may be linked to the Lazarus Group.

TAGS:

file_encryptionwindowsbabuk_variant

[MUTEX_SIGNATURES](1)

[MUTEX_01]

chichigotmanagedyou

ANALYST: @adhikara13 DATE: 2025-07-13

REFERENCES:

https://id-ransomware.blogspot.com/2021/11/chichi-ransomware.html

https://x.com/demonslay335/status/1461020406052274178

[QUICK_ACTIONS]

[THREAT_INTELLIGENCE]

ATTRIBUTION:

⚠Lazarus Group

FIRST_OBSERVED:

2021

[SIGMA_RULE]

[STATISTICS]

MUTEX_COUNT:1

THREAT_ACTORS:1

ALIASES:0

TAGS:3

CATEGORY:RANSOMWARE

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