MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 137a144f3622ce108ded37f881db51b7afcf3a8b395de496f3d9d3790099b58f. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 137a144f3622ce108ded37f881db51b7afcf3a8b395de496f3d9d3790099b58f
SHA3-384 hash: 497320c7fb297f47a0809132e3bfb7cc3eadeb72ff7e2cbe4db5e3bae7c688c0617999dd16d914a2eb4befe86f0a2185
SHA1 hash: 9117f71fcccef4d811a4e0530e2f788f90584be5
MD5 hash: 43db72563bffea13cabd064ebb23b7f9
humanhash: wisconsin-beer-sink-cat
File name:b7
Download: download sample
Signature Mirai
Create hunting rule
File size:102'888 bytes
First seen:2025-07-27 19:36:13 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:syMxRnNv4LMJdjVUHN2vM+GDRloIi0iSh+:sp2LMnM+GDRl5i0h+
TLSH T1A4A3B54DF964A728C7E232FFF66912CE322B0B9CB7EA70219E314B5237C9F556521121
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
24
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Receives data from a server
Runs as daemon
Opens a port
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
botnet gcc mirai obfuscated rust
Link:
https://www.filescan.io/uploads/68867fc613488cfd44da93c3/reports/7005eece-dea6-40b8-a5c0-b0ca4aab1b3a/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
2
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/137a144f3622ce108ded37f881db51b7afcf3a8b395de496f3d9d3790099b58f
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b571a857-ed12-487a-b59d-d0205db45b38
Behavior Graph:
Download SVG
%3 guuid=e7e9303b-1b00-0000-d400-2aae400c0000 pid=3136 /usr/bin/sudo guuid=135fc13d-1b00-0000-d400-2aae470c0000 pid=3143 /tmp/sample.bin guuid=e7e9303b-1b00-0000-d400-2aae400c0000 pid=3136->guuid=135fc13d-1b00-0000-d400-2aae470c0000 pid=3143 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cd0e3ba9-338e-4b82-8106-f7cff605908d
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1745196
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/137a144f3622ce108ded37f881db51b7afcf3a8b395de496f3d9d3790099b58f
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/137a144f3622ce108ded37f881db51b7afcf3a8b395de496f3d9d3790099b58f/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-27 19:37:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cn5bitzwelhbbdpng74idw2rw6x46oulhfo6jfxt3hjxsaezwwhq._file
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Link:
https://tria.ge/reports/250727-ybdk4aek9t/
Behaviour
Changes its process name
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-7100807-0
YARA:
Mirai_Botnet_Malware
Link:
https://app.threat.zone/submission/c5f2da37-fae3-4d89-a15d-bd94a33f005c
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/137a144f3622ce108ded37f881db51b7afcf3a8b395de496f3d9d3790099b58f

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_8299c877
Create hunting rule
Author:Elastic Security
Rule name:Linux_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 137a144f3622ce108ded37f881db51b7afcf3a8b395de496f3d9d3790099b58f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3591138/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3591152/

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