MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81436cca8706a45f22a7935b0bd45f01fab9ede9b84d384f999f8bd33c058924. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81436cca8706a45f22a7935b0bd45f01fab9ede9b84d384f999f8bd33c058924
SHA3-384 hash: b49d5e0a87cab80eca7c196ae1facc686bdece16eb7526009531a245682d43f2b76b1c0289d138f028b5acf3c89253f6
SHA1 hash: ec216249772e756bfbf9a31f62e360865e37ec3b
MD5 hash: 70f3c5c9e085b22a6017ce6bdaedc368
humanhash: california-social-sierra-skylark
File name:jklarm5
Download: download sample
Signature Mirai
Create hunting rule
File size:66'428 bytes
First seen:2025-12-30 00:24:51 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:sd9ANH9zp13r08KcXiYP4TmfSPjeMpC4ZRVq8XiL35avmN22bAVInwOSKYFMtu+l:aAl9WcXBQTMSPllRwuke2jwOAutu+7R
TLSH T1F7531945BC91DA27CAD462BBFA1E42CC332653A8E1DE7203DD116F157B8A82F0E7B541
telfhash t16141ced79ae40bce47f08705c58da21819f879ac3f417553d98dab8f15a3ac2302e513
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 :
60
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
File Type:
elf.32.le
First seen:
2025-12-29T22:50:00Z UTC
Last seen:
2025-12-29T23:05:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/81436cca8706a45f22a7935b0bd45f01fab9ede9b84d384f999f8bd33c058924/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/aa3343c1-3b3f-41ef-9be3-dd6f685e87b5
Behavior Graph:
Download SVG
%3 guuid=51bf60dc-1d00-0000-2d95-a22e77090000 pid=2423 /usr/bin/sudo guuid=bce18cde-1d00-0000-2d95-a22e80090000 pid=2432 /tmp/sample.bin guuid=51bf60dc-1d00-0000-2d95-a22e77090000 pid=2423->guuid=bce18cde-1d00-0000-2d95-a22e80090000 pid=2432 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/171ea70d-63ae-4643-b083-b802b312d0ad
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1841877
Signature
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1841877 Sample: jklarm5.elf Startdate: 30/12/2025 Architecture: LINUX Score: 56 18 78.153.176.99 ZENSYSTEMS-ASDK Denmark 2->18 20 198.29.86.126 WHITWORTH-NETUS United States 2->20 22 100 other IPs or domains 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Yara detected Mirai 2->26 8 jklarm5.elf 2->8         started        signatures3 process4 process5 10 jklarm5.elf 8->10         started        process6 12 jklarm5.elf 10->12         started        14 jklarm5.elf 10->14         started        16 jklarm5.elf 10->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/81436cca8706a45f22a7935b0bd45f01fab9ede9b84d384f999f8bd33c058924
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81436cca8706a45f22a7935b0bd45f01fab9ede9b84d384f999f8bd33c058924/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-30 00:25:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qfbwzsuha2sf6ivhsnnqxvc7ah5lt3pjxbgtqt4zt6f5gpafresa._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/251230-aqsrkayqax/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/6a3de423-70cb-495c-9af8-4774a5df594f
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:Linux_Generic_Threat_d94e1020
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 81436cca8706a45f22a7935b0bd45f01fab9ede9b84d384f999f8bd33c058924

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739229/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739201/

Comments