MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a6398bb0f57ac13607de22418cb1580670e8c5918f8d44dcac6a91bf799981f. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Mirai


Vendor detections: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a6398bb0f57ac13607de22418cb1580670e8c5918f8d44dcac6a91bf799981f
SHA3-384 hash: bd156db96f603c710fb68a0f73dec731c171bc25fc8dbdf498360e8141f68a506dcccae2d6897da81499b69ddd854aaa
SHA1 hash: b2bc7144c3342b7c9893af3f1cb453f5b4e569f1
MD5 hash: 93f3dcee437495fe1a0838b9cbae33d6
humanhash: victor-nitrogen-sierra-grey
File name:nabsh4
Download: download sample
Signature Mirai
Create hunting rule
File size:54'480 bytes
First seen:2026-01-12 09:12:22 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:7QY5R2uWnbBJ2jTwRh9SIOCFTRTCAT2bVR:7j/UX2yS7MVDT2
TLSH T166337CB2DAAA9E55E60C56B078308F394B53561097872EF696A9C274C003D8DF18D3FE
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
116
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6964bb3830368802bb8171b0/reports/1affd77f-477a-4f23-a623-8f3de0118cbe/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-12T07:42:00Z UTC
Last seen:
2026-01-12T08:52:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/4a6398bb0f57ac13607de22418cb1580670e8c5918f8d44dcac6a91bf799981f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a306245f-cd60-40d0-9fef-c476fe1b543d
Behavior Graph:
Download SVG
%3 guuid=3e648e10-1800-0000-d335-9a98a50b0000 pid=2981 /usr/bin/sudo guuid=97e15213-1800-0000-d335-9a98a60b0000 pid=2982 /tmp/sample.bin guuid=3e648e10-1800-0000-d335-9a98a50b0000 pid=2981->guuid=97e15213-1800-0000-d335-9a98a60b0000 pid=2982 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/02e54049-ee3d-4508-a38a-ac6cfb8f687d
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1848853
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1848853 Sample: nabsh4.elf Startdate: 12/01/2026 Architecture: LINUX Score: 60 22 188.56.101.116, 23 TURKCELL-ASTurkcellASTR Turkey 2->22 24 188.56.148.146, 23 TURKCELL-ASTurkcellASTR Turkey 2->24 26 100 other IPs or domains 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Mirai 2->30 32 Connects to many IPs within the same subnet mask (likely port scanning) 2->32 8 nabsh4.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 nabsh4.elf 8->14         started        process6 16 nabsh4.elf 14->16         started        18 nabsh4.elf 14->18         started        20 nabsh4.elf 14->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4a6398bb0f57ac13607de22418cb1580670e8c5918f8d44dcac6a91bf799981f
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4a6398bb0f57ac13607de22418cb1580670e8c5918f8d44dcac6a91bf799981f/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-12 09:13:29 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jjrzroypk6wbgyd54isbrsyvqbtq5dczdd4nitoky2urx54ztapq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260112-k6yymabw3b/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/15b2d9f4-2808-41dc-b259-ed267205ce14
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/4a6398bb0f57ac13607de22418cb1580670e8c5918f8d44dcac6a91bf799981f

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 4a6398bb0f57ac13607de22418cb1580670e8c5918f8d44dcac6a91bf799981f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3740306/
  
Delivery method
Distributed via web download

Comments