MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e40c0cd39b6c1dc46d498c8825377fbd027676188b6f69f6d0536191fc194ae2. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e40c0cd39b6c1dc46d498c8825377fbd027676188b6f69f6d0536191fc194ae2
SHA3-384 hash: 7d542678d63153977b55999cffa5a76af2c4539286017cf40fbfc2c69fd3456490a1b286d768bda2a86f1c7bfe35f9e2
SHA1 hash: 6f9034096e02c3122a9e166fc4d0d10e726d500b
MD5 hash: 9a116ed67a57492b57928dfebf8ca976
humanhash: bluebird-virginia-idaho-emma
File name:mao.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:93'212 bytes
First seen:2026-02-03 12:12:07 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:nfYB3EFckJz9aMpWs53VLjJ9drT7SC+N+++aOvmGpXwtsFoe:fi3EFcw9aM7bjJC+++aOvmGpXesFH
TLSH T1C293520D7E358F7CFFE9863457B75A299248339A32D1C684D2ACE6021D3024E752FB69
telfhash t12d01365c8d7412e4ab315d8a6b3dff75d5a130df0b169d378f00ada99a6d9429e01c0c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
70
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/258c2553-bfc6-46c6-9315-d02ca1d1ba94/
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9907086-0
Create hunting rule

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bash lolbin masquerade obfuscated
Link:
https://www.filescan.io/uploads/6981e6402ffccda09766db5a/reports/e994ef2f-f3e6-43d6-821c-17ba7dad0cdc/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
11
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/e40c0cd39b6c1dc46d498c8825377fbd027676188b6f69f6d0536191fc194ae2
Behaviour
Process Renaming
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/b59d32ca-024c-44d3-a355-efdeda26aedc
Behavior Graph:
Download SVG
%3 guuid=494038e9-1700-0000-5028-5c815d0c0000 pid=3165 /usr/bin/sudo guuid=f46b27eb-1700-0000-5028-5c81600c0000 pid=3168 /tmp/sample.bin guuid=494038e9-1700-0000-5028-5c815d0c0000 pid=3165->guuid=f46b27eb-1700-0000-5028-5c81600c0000 pid=3168 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/23188539-2159-49b5-8016-70425f332a97
Result
Threat name:
Okiru
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1862380
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1862380 Sample: mao.mips.elf Startdate: 03/02/2026 Architecture: LINUX Score: 64 22 109.202.202.202, 80 INIT7CH Switzerland 2->22 24 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->24 26 3 other IPs or domains 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Okiru 2->32 8 mao.mips.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 mao.mips.elf 8->14         started        16 mao.mips.elf 8->16         started        process6 18 mao.mips.elf 14->18         started        20 mao.mips.elf 14->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/e40c0cd39b6c1dc46d498c8825377fbd027676188b6f69f6d0536191fc194ae2
Gathering data
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-03 16:20:15 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4qgazu43nqo4i3kjrseckn37xubhm5qyrnxwt5wqknqzd7azjlra._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/260203-pdjqfsfx3c/
Behaviour
System Network Configuration Discovery
Changes its process name
Modifies Watchdog functionality
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/e40c0cd39b6c1dc46d498c8825377fbd027676188b6f69f6d0536191fc194ae2

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_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Generic_Threat_da28eb8b
Create hunting rule
Author:Elastic Security
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 e40c0cd39b6c1dc46d498c8825377fbd027676188b6f69f6d0536191fc194ae2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3766693/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3766759/

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