MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a81794b1d877ef23167e4b64fea6cdecffd66585cfa377fb2068d5786da24705. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a81794b1d877ef23167e4b64fea6cdecffd66585cfa377fb2068d5786da24705
SHA3-384 hash: 1ee593ac73be826d2d99066cf13d117814f4bb64a0f7b130d3ad48deb7f98eb3cd144e694e7285fe146fe201f6509ae0
SHA1 hash: 2070362a7ae4ef3bb7e171ebd627b0d3d1416d35
MD5 hash: 758225832d26c284c2eec38d271c6400
humanhash: wolfram-emma-cold-item
File name:jklx86
Download: download sample
Signature Mirai
Create hunting rule
File size:91'124 bytes
First seen:2026-01-21 13:27:57 UTC
Last seen:2026-01-22 06:55:54 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:FL7tf+q6nvtD2ops8k6JrUN4QRl2H6GEOpb5EAD8u6Oabfn8QshyBFAxubZSAxX9:VxfV8VqoKNCGRw6GbpbTQJhbfn8F8nj5
TLSH T173936CC18143E4F1E9090235607AF3376572DDB90178FEF7F7589A726825AA0B14BB8D
telfhash t17321f7b927760de4ebd09811b20d97b0dd5da77b20103bb316b29428362548197bbd3d
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 :
2
# of downloads :
65
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:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
3
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/a81794b1d877ef23167e4b64fea6cdecffd66585cfa377fb2068d5786da24705
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-21T10:35:00Z UTC
Last seen:
2026-01-21T12:05:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.jw HEUR:Backdoor.Linux.Mirai.gen HEUR:Backdoor.Linux.Gafgyt.go
Link:
https://opentip.kaspersky.com/a81794b1d877ef23167e4b64fea6cdecffd66585cfa377fb2068d5786da24705/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c33d1126-c827-46c4-868b-4d0d1b0f841b
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1854918
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sends malformed DNS queries
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1854918 Sample: jklx86.elf Startdate: 21/01/2026 Architecture: LINUX Score: 76 16 slursontel.ru. [malformed] 2->16 18 slursbeback.ru. [malformed] 2->18 20 103 other IPs or domains 2->20 22 Malicious sample detected (through community Yara rule) 2->22 24 Antivirus / Scanner detection for submitted sample 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Mirai 2->28 8 jklx86.elf 2->8         started        signatures3 30 Sends malformed DNS queries 18->30 process4 process5 10 jklx86.elf 8->10         started        process6 12 jklx86.elf 10->12         started        14 jklx86.elf 10->14         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a81794b1d877ef23167e4b64fea6cdecffd66585cfa377fb2068d5786da24705
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a81794b1d877ef23167e4b64fea6cdecffd66585cfa377fb2068d5786da24705/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/a81794b1d877ef23167e4b64fea6cdecffd66585cfa377fb2068d5786da24705
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-21 13:28:43 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=valzjmoyo7xsgft6jnsp5jwn5t75mzmfz6rxp6zandkxq3nci4cq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux
Link:
https://tria.ge/reports/260121-qqywkse16d/
Behaviour
Reads runtime system information
Renames itself
Contacts a large (71758) amount of remote hosts
Creates a large amount of network flows
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a81794b1d877ef23167e4b64fea6cdecffd66585cfa377fb2068d5786da24705

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:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Create hunting rule
Author:Elastic Security
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 a81794b1d877ef23167e4b64fea6cdecffd66585cfa377fb2068d5786da24705

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739137/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739135/
  
URLhaus
https://urlhaus.abuse.ch/url/3739130/
  
URLhaus
https://urlhaus.abuse.ch/url/3739129/

Comments