MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 34b890dc718e18b7f8e7d86f18a133334c53c6dfaaf3bbcf1b9c50e2651e4fce. 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: 34b890dc718e18b7f8e7d86f18a133334c53c6dfaaf3bbcf1b9c50e2651e4fce
SHA3-384 hash: d13eae81eaaa7f7bc1b3f5efa50678b279cbd1bc940ca269f351704228c0d7a5dd9ecb42b5672ca1909adaa44b5437cb
SHA1 hash: 926a5601a2fa9aa64c3b5ba33f0dfd321dfc47c7
MD5 hash: 5826ddbd7ea44bfa6f1926af90b31dd8
humanhash: mockingbird-bakerloo-comet-south
File name:nklsh4
Download: download sample
Signature Mirai
Create hunting rule
File size:87'248 bytes
First seen:2026-01-18 13:50:08 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:zEa4P+50NREz+mvi7W81CU0IFXMJujEb7GN2gfW7i3HVr/EUSo99pCK1SIQiTAbb:ga55AA+mviq81kksu3W7i3HVr/EUSo9K
TLSH T1B6838E02CDA5DD98F02A7D3110B5CBB74713A149A95B6DFB3C87C225001B988F5ABBF8
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 gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
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%
Tags:
mirai
Link:
https://www.filescan.io/uploads/696ce52cfdafd7624ab024b8/reports/b4270adc-c796-417e-92b5-637a6048445e/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-18T11:03:00Z UTC
Last seen:
2026-01-19T12:42:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen
Link:
https://opentip.kaspersky.com/34b890dc718e18b7f8e7d86f18a133334c53c6dfaaf3bbcf1b9c50e2651e4fce/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6af7f17d-eaf5-4d7b-8e9c-e7af0eb55347
Behavior Graph:
Download SVG
%3 guuid=23535f50-1b00-0000-ad9f-352a8f0b0000 pid=2959 /usr/bin/sudo guuid=dcaf2653-1b00-0000-ad9f-352a950b0000 pid=2965 /tmp/sample.bin guuid=23535f50-1b00-0000-ad9f-352a8f0b0000 pid=2959->guuid=dcaf2653-1b00-0000-ad9f-352a950b0000 pid=2965 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/79b76391-4cb6-4bcf-9854-f99acea9f021
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1852775
Signature
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852775 Sample: nklsh4.elf Startdate: 18/01/2026 Architecture: LINUX Score: 56 14 155.89.167.240 movicel-asAO Angola 2->14 16 66.239.22.90 XO-AS15US United States 2->16 18 100 other IPs or domains 2->18 20 Multi AV Scanner detection for submitted file 2->20 22 Yara detected Mirai 2->22 8 nklsh4.elf 2->8         started        signatures3 process4 process5 10 nklsh4.elf 8->10         started        process6 12 nklsh4.elf 10->12         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/34b890dc718e18b7f8e7d86f18a133334c53c6dfaaf3bbcf1b9c50e2651e4fce
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/34b890dc718e18b7f8e7d86f18a133334c53c6dfaaf3bbcf1b9c50e2651e4fce/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/34b890dc718e18b7f8e7d86f18a133334c53c6dfaaf3bbcf1b9c50e2651e4fce
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-18 13:50:52 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gs4jbxdrrymlp6hh3bxrrijtgngfhrw7vlz3xty3trioezi6j7ha._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260118-q5j1zady9g/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b9584ea3-08d6-473f-be93-3d4f73f95b60
Please note that we are no longer able to provide a coverage score for Virus Total.

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 34b890dc718e18b7f8e7d86f18a133334c53c6dfaaf3bbcf1b9c50e2651e4fce

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3740370/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739237/

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