MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90b6a085492f48c4d2de83d6a48064e276b651092ab6b2d4e8f61c58e1c417c4. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 90b6a085492f48c4d2de83d6a48064e276b651092ab6b2d4e8f61c58e1c417c4
SHA3-384 hash: bc3e81748bcc0493442ece6acf7c9f2292f0f06a45c32ff993be6065b64488868a45373b341be8b540975fb6062050dc
SHA1 hash: 47a41042f41b34e4929bfa0feb190b0bbd01fd17
MD5 hash: 920273c3efc629f6f303b769cdc82a7f
humanhash: utah-xray-illinois-paris
File name:nklsh4
Download: download sample
Signature Mirai
Create hunting rule
File size:46'008 bytes
First seen:2025-02-25 12:27:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:vajwtqE0Nc/qsU33KsjynuM0SnT0cgC4ZogKXhCA:vajwtqYZg67nuMP0cg7eLXhCA
TLSH T1FD239E72C83EADD0D1598274AA359E741B23F405C2532EFA874A86B64003DBCF71A7F5
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 :
115
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30481.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9970440-0
Create hunting rule

Unix.Trojan.Mirai-1
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67bdb7dc28ab76d43a5d0bealinux22vpnfull_triage
Tags:
mirai
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/67bdb75f6222db7f23db0b20/reports/60a73551-701a-45f3-8cdb-bae20a1b1b45/overview
Result
Verdict:
UNKNOWN
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a3e90706-aff7-48b3-a832-b51992e1e6a8
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1623684
Signature
Multi AV Scanner detection for submitted file
Sends malformed DNS queries
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1623684 Sample: nklsh4.elf Startdate: 25/02/2025 Architecture: LINUX Score: 52 16 serisbot.geek. [malformed] 2->16 18 160.65.112.11 WOODYNET-2US United States 2->18 20 101 other IPs or domains 2->20 22 Multi AV Scanner detection for submitted file 2->22 8 dash rm nklsh4.elf 2->8         started        10 dash rm 2->10         started        signatures3 24 Sends malformed DNS queries 16->24 process4 process5 12 nklsh4.elf 8->12         started        process6 14 nklsh4.elf 12->14         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/90b6a085492f48c4d2de83d6a48064e276b651092ab6b2d4e8f61c58e1c417c4
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/90b6a085492f48c4d2de83d6a48064e276b651092ab6b2d4e8f61c58e1c417c4/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-02-25 12:28:11 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sc3kbbkjf5emjuw6qplkjade4j3lmuijfk3lfvhi6yofryoec7ca._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/250225-pndxyswqy9/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9970440-0
YARA:
n/a
Link:
https://app.threat.zone/submission/6a3ad0e5-c0b9-4b8a-9ded-3fe563a7d0cd
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/90b6a085492f48c4d2de83d6a48064e276b651092ab6b2d4e8f61c58e1c417c4

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 90b6a085492f48c4d2de83d6a48064e276b651092ab6b2d4e8f61c58e1c417c4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3424097/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3422873/

Comments