MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31216b42b249f94190e120621b9dc8ccbab159d06cb96db4a3a9d0f640126e63. 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: 31216b42b249f94190e120621b9dc8ccbab159d06cb96db4a3a9d0f640126e63
SHA3-384 hash: 8998752bcdefe56e7396bbf858a8af63f25f54833308648a4c97aa156ab5e93105332ea5417af8f35f01db41d1e1caef
SHA1 hash: 8724b96cc5a82b37280e7321ded6043bb168b17c
MD5 hash: 6c3e19f8bbe2aae1845d7cb6ad656ca3
humanhash: lion-pluto-missouri-kitten
File name:nklarm5
Download: download sample
Signature Mirai
Create hunting rule
File size:74'944 bytes
First seen:2026-01-11 01:36:18 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:QFJRsvbNYi6TJxtFOAlz7wMpMy7TAbVRu:QFJRwGtFn7wmz7TA
TLSH T1A0730945B881D623C6D423BBFA5E42DD332653B8D2EF73039925AF14778682B0E7B641
telfhash t1b541b1e7cff01bad67e08b55c2cde12a5af8355a2b0074534e4daf1b85661c1b01f832
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 :
80
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/6962fe9b07ef5fa68e83fefe/reports/998c616c-1210-4f87-9dc6-b2f9bf399548/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-11T00:08:00Z UTC
Last seen:
2026-01-11T00:51:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/31216b42b249f94190e120621b9dc8ccbab159d06cb96db4a3a9d0f640126e63/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/51964d4e-ec27-4fe5-8225-c6afcc04aa78
Behavior Graph:
Download SVG
%3 guuid=4df441bb-1800-0000-2200-99ead90a0000 pid=2777 /usr/bin/sudo guuid=f930eebc-1800-0000-2200-99eae00a0000 pid=2784 /tmp/sample.bin guuid=4df441bb-1800-0000-2200-99ead90a0000 pid=2777->guuid=f930eebc-1800-0000-2200-99eae00a0000 pid=2784 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7f6e662e-7819-4601-bd8a-ee07d250492c
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1848134
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: 1848134 Sample: nklarm5.elf Startdate: 11/01/2026 Architecture: LINUX Score: 60 18 59.173.103.108, 23 CHINANET-BACKBONENo31Jin-rongStreetCN China 2->18 20 59.173.103.122 CHINANET-BACKBONENo31Jin-rongStreetCN China 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/31216b42b249f94190e120621b9dc8ccbab159d06cb96db4a3a9d0f640126e63
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/31216b42b249f94190e120621b9dc8ccbab159d06cb96db4a3a9d0f640126e63/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-11 01:36:28 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=geqwwqvsjh4udehbebrbxhoizs5lcwoqns4w3nfdvhipmqasnzrq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/260111-b1gbysc13h/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/0cd53726-d2b2-47e7-9c7a-bc8a1d1d8cdf
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/31216b42b249f94190e120621b9dc8ccbab159d06cb96db4a3a9d0f640126e63

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 31216b42b249f94190e120621b9dc8ccbab159d06cb96db4a3a9d0f640126e63

(this sample)

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

Comments