HOMETHREATSKrachulka
MALWARE FAMILY💰 FINANCIALHIGH

Krachulka

Internal ID: win.krachulka
1
aliases
Last seen:Mar 17, 2026

Intelligence Profile

According to ESET, this malware family is a banking trojan and was active in Brazil until the middle of 2019. Its most noticeable characteristic was its usage of well-known cryptographic methods to encrypt strings, as opposed to the majority of Latin American banking trojans that mainly use custom encryption schemes.

Threat Analysis

Krachulka is a malware family tracked by threat intelligence researchers and catalogued in the Malpedia dataset. It represents a distinct malicious software lineage with identifiable code characteristics, behaviors, and victimology.

Financially motivated threat actors like Krachulka prioritize monetary gain through methods such as ransomware deployment, banking trojans, cryptocurrency theft, BEC scams, or credential harvesting for resale on underground markets.

With high sophistication, Krachulka is capable of targeted intrusions using adapted commodity tools alongside custom implants, maintaining operational security and evading standard detection mechanisms.

External References

Quick Facts

TypeMalware Family
Motivation💰 financial
Sophisticationhigh
Aliases1

Also Known As

win.krachulka

Research Links

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.
Krachulka — Malware Family | Threat Intelligence | CTIWATCH.COM