MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5555015c3fab31248c83cf8078081558887d3cf2d5982cffd3b896161ef3680. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5555015c3fab31248c83cf8078081558887d3cf2d5982cffd3b896161ef3680
SHA3-384 hash: 09c5065573f9bbbab024d2b51ca1c075fcbdcef40bb4c9e63cb9d279667e3cab39c794a6debe5e8b26c51898997a802b
SHA1 hash: fb6b73a27885fcda933055c41d864b4525793162
MD5 hash: 770c015d551d3d96916d514b68f8f14a
humanhash: eleven-blossom-colorado-black
File name:jklarm
Download: download sample
Signature Mirai
Create hunting rule
File size:84'712 bytes
First seen:2025-12-21 18:53:14 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:av0KaoEPLgbqMagR5Iq4LCemKMSJddpcZL18PwucvGT2bVRgPZ:avjPefmemKMSJRcB1GqGT24PZ
TLSH T1AB832986B881D612C6D5667BFB5E42CC332613B8D2EF3207DD25AF15378682B0E3B651
telfhash t17a51e1e4eb701add2bd99058c18d540a4fed36af1f081862da5c7b5fe683185b06ec37
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 :
41
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

Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai rust
Link:
https://www.filescan.io/uploads/694842553f8fdbf8e94dba79/reports/32313845-e410-4005-ab92-e766fe446d49/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-21T15:54:00Z UTC
Last seen:
2025-12-21T17:54:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b5555015c3fab31248c83cf8078081558887d3cf2d5982cffd3b896161ef3680/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/38f0c7aa-098c-4b3a-96f2-9c4b30fbf95f
Behavior Graph:
Download SVG
%3 guuid=13e42420-1800-0000-2db3-02e35d0c0000 pid=3165 /usr/bin/sudo guuid=6ea1d622-1800-0000-2db3-02e35e0c0000 pid=3166 /tmp/sample.bin guuid=13e42420-1800-0000-2db3-02e35d0c0000 pid=3165->guuid=6ea1d622-1800-0000-2db3-02e35e0c0000 pid=3166 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c7c8ba47-a56c-4424-84a1-60ce3e985f62
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1837182
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1837182 Sample: jklarm.elf Startdate: 21/12/2025 Architecture: LINUX Score: 52 24 111.70.10.0, 23 EMOME-NETMobileBusinessGroupTW Taiwan; Republic of China (ROC) 2->24 26 111.70.101.80, 23 EMOME-NETMobileBusinessGroupTW Taiwan; Republic of China (ROC) 2->26 28 100 other IPs or domains 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Connects to many IPs within the same subnet mask (likely port scanning) 2->32 8 dash rm jklarm.elf 2->8         started        10 dash rm 2->10         started        12 dash cut 2->12         started        14 7 other processes 2->14 signatures3 process4 process5 16 jklarm.elf 8->16         started        process6 18 jklarm.elf 16->18         started        20 jklarm.elf 16->20         started        22 jklarm.elf 16->22         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b5555015c3fab31248c83cf8078081558887d3cf2d5982cffd3b896161ef3680
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b5555015c3fab31248c83cf8078081558887d3cf2d5982cffd3b896161ef3680/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-21 18:54:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 37 (51.35%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wvkvafod7kzresgiht4apaebkweipu6pfvmyft75hoewcyppg2aa._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/251221-xjt3dasjfn/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/45d8ae02-617b-4ad6-b729-49101b5ece62
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/b5555015c3fab31248c83cf8078081558887d3cf2d5982cffd3b896161ef3680

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 b5555015c3fab31248c83cf8078081558887d3cf2d5982cffd3b896161ef3680

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739232/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739170/

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