SHA1MediumSignal 29/100
671af945cf5317b3287d4667c0492f1c33e885c8
First Seen
Apr 21, 2026
Last Seen
Apr 23, 2026
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
Apr 23Apr 23
Threat Activity Heatmap
· Peak: 2026-04-23LessMore
Mon
Wed
Fri
24h
0
Dormant
7d
0
Dormant
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
mediumFirst detected 1 month ago · Last seen 1 month ago
Appeared in 2 threat reports