MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5f848a4b5b7ac145233c1935a2351b59bd8e465ce91385813b86f06a3d08e35. 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: b5f848a4b5b7ac145233c1935a2351b59bd8e465ce91385813b86f06a3d08e35
SHA3-384 hash: eee339952cfb584d7ff08a1389498a635756c60f51d3a47709546f807e3daa41424f26d8408915afc3c4560cba70c2e7
SHA1 hash: 9baff541165fa14337493d72eedb987afecdf809
MD5 hash: d21a8287ffa29fb847232705fa9da79b
humanhash: bulldog-pennsylvania-yellow-artist
File name:jklarm5
Download: download sample
Signature Mirai
Create hunting rule
File size:67'384 bytes
First seen:2025-12-11 22:24:22 UTC
Last seen:2025-12-12 23:50:06 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:caTYAwmjKm8jFUMwjumjZn5jdlcbmT3bsR:caTYtU9j9j95jYmT3
TLSH T18D630885B8819A23C6D462BBFA5E41DC332613F8D2DF7207DD11AF157B8A82B0D7B641
telfhash t1e941f2f797a04adc5bcaa384ca8d626c0ef87e5a2f013453da4c3b4fa2d3486701c417
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 :
72
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:
2025-12-11T16:41:00Z UTC
Last seen:
2025-12-11T17:10:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b5f848a4b5b7ac145233c1935a2351b59bd8e465ce91385813b86f06a3d08e35/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a6b5bac2-e0bf-4a63-9213-ad94a6e3e5f5
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1831281
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1831281 Sample: jklarm5.elf Startdate: 11/12/2025 Architecture: LINUX Score: 48 22 82.200.68.148, 23 ZSTTKASNovosibirskRussiaRU Russian Federation 2->22 24 66.219.32.226 ZCOLO-AUS01US United States 2->24 26 99 other IPs or domains 2->26 28 Multi AV Scanner detection for submitted file 2->28 8 jklarm5.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 jklarm5.elf 8->14         started        process6 16 jklarm5.elf 14->16         started        18 jklarm5.elf 14->18         started        20 jklarm5.elf 14->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b5f848a4b5b7ac145233c1935a2351b59bd8e465ce91385813b86f06a3d08e35
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b5f848a4b5b7ac145233c1935a2351b59bd8e465ce91385813b86f06a3d08e35/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-11 22:25:17 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=wx4erjfvw6wbiurtygjvui2rwwn5rzdfz2itqwatxbxqni6qry2q._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/251211-2b4dasgp3x/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/fe69e200-7aa1-4520-8aa0-0ff8b2602bb3
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/b5f848a4b5b7ac145233c1935a2351b59bd8e465ce91385813b86f06a3d08e35

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 b5f848a4b5b7ac145233c1935a2351b59bd8e465ce91385813b86f06a3d08e35

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3726490/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3726548/
  
URLhaus
https://urlhaus.abuse.ch/url/3726416/
  
URLhaus
https://urlhaus.abuse.ch/url/3700410/

Comments