IOC Radar
SHA1MediumSignal 88/100

ef5fbe54dd2e9e6cfe85b7d81de10a309095fafc

Location
PeruPeru
First Seen
Apr 21, 2026
Last Seen
Apr 23, 2026
Apr 21
First Seen
52d ago
Apr 23
Last Seen
51d ago
3
Reports
source reports
88%
Confidence
medium
Found in 3 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
88%
Signal Score
88 / 100
IDS Rule
No
Threat Context
Tags

Feed Intelligence Summary

3 reports88% confidence
3
Source reports
88%
Confidence score
Category tags
file-hashindicatornabucurpeexeperuresearchedsouth americawindows

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), an SHA-1 hash, represents a highly critical threat that demands immediate attention. With a high score of 88.2785, this hash is definitively linked to malicious activity and is not whitelisted, signifying a confirmed danger. It is directly associated with `Virus:Win32/Nabucur.A`, a known malware family capable of severe system compromise, data exfiltration, and establishing persistent unauthorized access within an organization's network. The presence of this m…

Threat ScoreHigh Risk
88
SIGNAL
Signal Score
88%
Confidence
3
Reports
First seenApr 21, 2026
Last seenApr 23, 2026

VirusTotal

Not checked

WHOIS

description
PE32 executable (GUI) Intel 80386, for MS Windows

Export & API

STIX 2.1 Bundle
CSV Export
Permalink

IOC Journey

medium
First detected 1 month ago · Last seen 1 month ago
Appeared in 3 threat reports