MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42e5ebe54688288081abb4997727189cf47cf8a77fb88b46e37fb3b5018ea77c. 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: 42e5ebe54688288081abb4997727189cf47cf8a77fb88b46e37fb3b5018ea77c
SHA3-384 hash: c1cded259c53c43e5c78594e50b712c4b2fcf7231503434e4e25dd06ba863fc31d6c5bded6a9ba9ffac41da16ae4cd4f
SHA1 hash: f14c92bdcc2ff04e15950856d008164af40a2b87
MD5 hash: 4e96bd6171f4db38155f036063590628
humanhash: south-stairway-texas-solar
File name:nklarm5
Download: download sample
Signature Mirai
Create hunting rule
File size:62'332 bytes
First seen:2025-12-31 00:06:16 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:mUcyrF7zdK8jRuR9jT/XFnAZpLUAQ6Hau9scZyY3LGknNlNMra1puM7R1:xLrBzf0T/1nqpYAQ65NZP7GkvLuM7R
TLSH T17C530945BC81DA17C5D462BBFA5E42CC332653A8E2EF7207CD11AF157B8A82F0D6B641
telfhash t180017011c9d40adc77e18b5581ce226ade9877ed6710217749abaf4605639d17023019
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 :
46
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:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/695468fe2fb7bb52ca82be43/reports/b9d04c4d-01db-4a74-b539-c6a54d984645/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3450c285-7d4d-4978-a7ac-8dd6a2098a2a
Behavior Graph:
Download SVG
%3 guuid=02f6f2a9-1b00-0000-6ee1-fe9b140d0000 pid=3348 /usr/bin/sudo guuid=810743ad-1b00-0000-6ee1-fe9b170d0000 pid=3351 /tmp/sample.bin guuid=02f6f2a9-1b00-0000-6ee1-fe9b140d0000 pid=3348->guuid=810743ad-1b00-0000-6ee1-fe9b170d0000 pid=3351 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/af6789ba-d370-4001-b62d-cf8801f19e44
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1842443
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1842443 Sample: nklarm5.elf Startdate: 31/12/2025 Architecture: LINUX Score: 60 18 116.212.97.209 DTPNET-AS-APDTPNETNAPID Indonesia 2->18 20 116.212.97.212 DTPNET-AS-APDTPNETNAPID Indonesia 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 28 Connects to many IPs within the same subnet mask (likely port scanning) 2->28 8 nklarm5.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 nklarm5.elf 8->14         started        process6 16 nklarm5.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/42e5ebe54688288081abb4997727189cf47cf8a77fb88b46e37fb3b5018ea77c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/42e5ebe54688288081abb4997727189cf47cf8a77fb88b46e37fb3b5018ea77c/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-31 00:07:19 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=ils6xzkgrauibanlwsmxojyytt2hz6fhp64iwrxdp6z3kamou56a._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/251231-ad7d7axlcp/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/cd284833-c745-4e5d-beb7-b69051a006cb
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/42e5ebe54688288081abb4997727189cf47cf8a77fb88b46e37fb3b5018ea77c

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 42e5ebe54688288081abb4997727189cf47cf8a77fb88b46e37fb3b5018ea77c

(this sample)

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

Comments