TF-MAL-elf.gwisin
📛 Threat Title
Malware family: Gwisin
Description
ThreatFox malware family `elf.gwisin`. Printable name: Gwisin.
Indicators of Compromise (1)
Each indicator is enriched from the IOC database, threat-intel feed corroboration (Threat Hunt) and VirusTotal. Click one to expand.
domain
elf.gwisin
VT: VT base fetch failed: HTTPError: 429 Client Error: Too Many Requests for url: https://www.virustotal.com/api/v3/domains/elf.gwisin
IOC database
- Type
- domain
- Value
elf.gwisin- First seen
- Last seen
- Attached to this threat
- Appears in
- 1 threat
- Description
- Extracted from Threat TF-MAL-elf.gwisin
Threat Hunt — feed corroboration
Not present in any configured threat-intel feed.
Details From VirusTotal
VirusTotal: VT base fetch failed: HTTPError: 429 Client Error: Too Many Requests for url: https://www.virustotal.com/api/v3/domains/elf.gwisin
References (1)
- ThreatFox: IOCs for this family ThreatFox Malwares
Remediations (10)
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web:cybernews.com
The FBI warns of a surge in ATM jackpotting attacks, with more than 700 incidents in 2025 alone. Hackers use Ploutus malware to force machines to dispense cash.
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web:malpedia.caad.fkie.fraunhofer.de
Ransomware. 2022-11-10 ⋅ AhnLab ⋅ ASEC Penetration and Distribution Method of Gwisin Attacker Gwisin 2022-08-25 ⋅ ⋅ SK Shieldus ⋅ SK Shieldus Ghost Ransomware Response and Attack Analysis Report Gwisin 2022-08-03 ⋅ AhnLab ⋅ ASEC Analysis Team Gwisin Ransomware Targeting Korean Companies Gwisin
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web:notepad-plus-plus.org
All remediation and security hardening was completed by the provider by December 2, 2025, successfully blocking further attacker activity. Note on timelines: The security expert's analysis indicates the attack ceased on November 10, 2025, while the hosting provider's statement shows potential attacker access until December 2, 2025.
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web:socprime.com
Threat actors spreading malware dubbed Gwisin , which means "ghost" in Korean, are also known to spread a novel ransomware family named GwisinLocker targeting prominent South Korean healthcare, industrial, and pharma companies and capable of encrypting Windows and Linux ESXi servers.
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web:www.boozallen.com
The ability to quickly pin down the family of malware used during a cyber attack can be a massive boon to an incident responder. Not only does family classification provide immediate insights about the characteristics and behaviors of a malware sample, but it is a core part of the triage, remediation , and attribution efforts.
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web:www.cisa.gov
It highlights technical approaches to uncovering malicious activity and includes mitigation steps according to best practices. The purpose of this report is to enhance incident response among partners and network administrators along with serving as a playbook for incident investigation.
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web:www.ic3.gov
Overview Threat actors are deploying ATM jackpotting malware , including the Ploutus family malware , to infect ATMs and force them to dispense cash. Ploutus malware exploits the eXtensions for Financial Services (XFS), the layer of software that instructs an ATM what to physically do. When a legitimate transaction occurs, the ATM application sends instructions through XFS for bank authorization ...
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web:www.ncsc.gov.uk
How to defend organisations against malware or ransomware attacks.
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web:www.notebookcheck.net
The FBI issued an IC3 FLASH advisory warning of increased malware -enabled ATM jackpotting in the U.S., naming Ploutus malware , sharing IOCs, and outlining mitigation steps.
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web:www.pcrisk.com
In 2025 and early 2026, law enforcement and cybersecurity agencies in the United States have sounded repeated alarms over the rise of sophisticated ATM "jackpotting" attacks, incidents in which threat actors use malware and physical access to force automated teller machines to dispense cash illegally. The phenomenon has cost financial institutions tens of millions of dollars and prompted an ...
AI Forensic Analysis
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