MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88441ba224c8e8e86bf8a57e8a67095c061a917665cfc6dd52b7611acfeaa1df. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 88441ba224c8e8e86bf8a57e8a67095c061a917665cfc6dd52b7611acfeaa1df
SHA3-384 hash: 07fdc5c6a67dec4ec7b0629c40b48762f775ac7714d8e02a1f8b577e7671e920162982275973a2724a7857fa8882c7dd
SHA1 hash: 31f6b7c7448cf6396fbc1a19d626df8b71b4d32b
MD5 hash: a9891e35d6d86f8d54a37d9905cb1a2a
humanhash: network-virginia-florida-sierra
File name:nklarm5
Download: download sample
Signature Mirai
Create hunting rule
File size:89'980 bytes
First seen:2026-01-28 09:58:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:w1rTP0K47DeABf2lRxo4GO/EJ0rjy2o8y50eq2Qh5yXnX:wRTPH4zZ2llb/PrjyIy50QQhcXX
TLSH T17493298ABCC4C702C6E0A0B6FB1F959E371643A8E3E6B107CD19AB29675F8570A37151
telfhash t19551107aff740aac5bd9866581ef50571bed30cd2b152853df286b4f5a431c2f02e826
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 :
49
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-9885259-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai rust
Link:
https://www.filescan.io/uploads/6979ddf9c943f4f722174132/reports/2d39922e-e60f-472a-a1c2-3dc21a9f630d/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
41
Number of processes launched:
2
Processes remaning?
false
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/88441ba224c8e8e86bf8a57e8a67095c061a917665cfc6dd52b7611acfeaa1df
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/53077e38-d3f4-4660-84f2-97ce0fe550a2
Behavior Graph:
Download SVG
%3 guuid=ec0f20e8-1700-0000-eb5a-75e2c60b0000 pid=3014 /usr/bin/sudo guuid=615168ea-1700-0000-eb5a-75e2ce0b0000 pid=3022 /tmp/sample.bin guuid=ec0f20e8-1700-0000-eb5a-75e2c60b0000 pid=3014->guuid=615168ea-1700-0000-eb5a-75e2ce0b0000 pid=3022 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b471ca59-f9d4-485d-84d4-ad3ad6927a53
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1858827
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Drops invisible ELF files
Multi AV Scanner detection for submitted file
Sample deletes itself
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1858827 Sample: nklarm5.elf Startdate: 28/01/2026 Architecture: LINUX Score: 60 22 117.5.100.99 VIETEL-AS-APViettelGroupVN Viet Nam 2->22 24 117.5.112.70 VIETEL-AS-APViettelGroupVN Viet Nam 2->24 26 100 other IPs or domains 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Connects to many IPs within the same subnet mask (likely port scanning) 2->30 8 nklarm5.elf .polkitd 2->8         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 process4 file5 20 /dev/shm/.polkitd, ELF 8->20 dropped 32 Drops invisible ELF files 8->32 34 Sample deletes itself 8->34 16 .polkitd 8->16         started        signatures6 process7 process8 18 .polkitd 16->18         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/88441ba224c8e8e86bf8a57e8a67095c061a917665cfc6dd52b7611acfeaa1df
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/88441ba224c8e8e86bf8a57e8a67095c061a917665cfc6dd52b7611acfeaa1df/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rbcbxirezduoq27yuv7iuzyjlqdbvelwmxh4nxksw5qrvt7kuhpq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/260128-lz8d6abt4d/
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 88441ba224c8e8e86bf8a57e8a67095c061a917665cfc6dd52b7611acfeaa1df

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739426/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739220/

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