IOC Radar
SHA1MediumSignal 29/100

671af945cf5317b3287d4667c0492f1c33e885c8

First Seen
Apr 21, 2026
Last Seen
Apr 23, 2026
Apr 21
First Seen
52d ago
Apr 23
Last Seen
51d ago
2
Reports
source reports
29%
Confidence
medium
Found in 2 reports. Confidence: medium. · Confidence scores are heuristic. Verify before acting on results.
SHA-1 Hash
SHA-1 file hash associated with malicious samples.
MISP Category
Artifacts Dropped
Hash Algorithm
SHA1
Confidence
29%
Signal Score
29 / 100
IDS Rule
No
Threat Context
Tags

Feed Intelligence Summary

2 reports29% confidence
2
Source reports
29%
Confidence score
Category tags
file-hashindicatornabucurresearched

Activity Timeline

1 total obs
Apr 23Apr 23

Threat Activity Heatmap

· Peak: 2026-04-23
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24h
0
Dormant
7d
0
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30d
0
Dormant
3mo
1
Minimal
Intelligence SummaryAI Generated

This Indicator of Compromise (IOC), a SHA-1 hash, is critical as it directly identifies a potential malicious executable, Virus:Win32/Nabucur.A. If this hash is detected within an organizational environment, it signifies a strong possibility of system infection or targeting by the Nabucur malware. Such an event could lead to severe security implications, including unauthorized code execution, data exfiltration, or further propagation of malicious payloads, potentially compromising the integrity …

Threat ScoreLow Risk
29
SIGNAL
Signal Score
29%
Confidence
2
Reports
First seenApr 21, 2026
Last seenApr 23, 2026

VirusTotal

Not checked

WHOIS

description
SHA1 of 2c5c979d13c0515f585930ceba81b9abfe753504674f208d58bab47bead06493

Export & API

STIX 2.1 Bundle
CSV Export
Permalink

IOC Journey

medium
First detected 1 month ago · Last seen 1 month ago
Appeared in 2 threat reports