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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b42dcef549cf28b8b76834f90c86ea0355fac9a2593e86fc176628ef4f01e272. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b42dcef549cf28b8b76834f90c86ea0355fac9a2593e86fc176628ef4f01e272
SHA3-384 hash: 27fe532225727338444a28d767fb8250eae7e8456588e5f27be476f2533de1939a8fc9400c68aff8db2d0cf737c476b4
SHA1 hash: 667a5d45b676dcd086be079b8748b5460ffca080
MD5 hash: d6f93414e16efb3c4af2c75418e7c804
humanhash: purple-kilo-tango-item
File name:dbg
Download: download sample
Signature Mirai
Create hunting rule
File size:1'027'240 bytes
First seen:2026-10-13 16:09:52 UTC
Last seen:2026-10-14 13:44:46 UTC
File type: elf
MIME type:application/x-executable
ssdeep 12288:I7+PuRD6joiYNWwdV/E0XgjVYZLlS8hlD1hFWbp27URGMCWZTgyWe0/VHmW:I7+PuRDkoiYNW4FjZLzB1T8p27ICW0L
TLSH T145256A2AB2B3F1BCD117C03417DBCAB16535B07922216DBF37C59A313D66DA21768B22
telfhash t195b1907448bd3470a3dada11f322f4ba457368a756ed35b12a22add4df84f800d6b41f
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 BlinkzSec
Tags:mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
79
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/6ace58619a98b7b2f5bd8aa2/reports/89993797-16b6-4ab0-bf8a-4d685c2bbc36/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b42dcef549cf28b8b76834f90c86ea0355fac9a2593e86fc176628ef4f01e272
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-10-13T13:55:00Z UTC
Last seen:
2026-10-15T12:59:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b42dcef549cf28b8b76834f90c86ea0355fac9a2593e86fc176628ef4f01e272/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0bb3fdde-0b05-4da9-b8ca-99deb4c9bee2
Behavior Graph:
Download SVG
%3 guuid=4b014f89-1800-0000-e161-467af00b0000 pid=3056 /usr/bin/sudo guuid=b7108c8d-1800-0000-e161-467af10b0000 pid=3057 /tmp/sample.bin net guuid=4b014f89-1800-0000-e161-467af00b0000 pid=3056->guuid=b7108c8d-1800-0000-e161-467af10b0000 pid=3057 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=b7108c8d-1800-0000-e161-467af10b0000 pid=3057->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 9f974101-87d8-5666-a4b6-7919b6dc79d1 94.154.43.37:1999 guuid=b7108c8d-1800-0000-e161-467af10b0000 pid=3057->9f974101-87d8-5666-a4b6-7919b6dc79d1 con guuid=d9d5de8d-1800-0000-e161-467af20b0000 pid=3058 /tmp/sample.bin guuid=b7108c8d-1800-0000-e161-467af10b0000 pid=3057->guuid=d9d5de8d-1800-0000-e161-467af20b0000 pid=3058 clone guuid=063acac9-1800-0000-e161-467a170c0000 pid=3095 /tmp/sample.bin guuid=b7108c8d-1800-0000-e161-467af10b0000 pid=3057->guuid=063acac9-1800-0000-e161-467a170c0000 pid=3095 clone guuid=dd707405-1900-0000-e161-467a430c0000 pid=3139 /tmp/sample.bin guuid=b7108c8d-1800-0000-e161-467af10b0000 pid=3057->guuid=dd707405-1900-0000-e161-467a430c0000 pid=3139 clone
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/45078df0-d4d2-48eb-97d7-4773cd1ac2c4
Score:
97%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b42dcef549cf28b8b76834f90c86ea0355fac9a2593e86fc176628ef4f01e272
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b42dcef549cf28b8b76834f90c86ea0355fac9a2593e86fc176628ef4f01e272/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-10-13 16:10:17 UTC
File Type:
ELF64 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wqw455kjz4ulrn3igt4qzbxkank7vsncle7in7axmyuo6tyb4jza._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion linux
Link:
https://tria.ge/reports/261013-tmj5ssfy8v/
Behaviour
Changes its process name
Modifies Watchdog functionality
Malware Config
C2 Extraction:
94.154.43.37
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b42dcef549cf/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/b42dcef549cf28b8b76834f90c86ea0355fac9a2593e86fc176628ef4f01e272

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_900ffdd4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Hacktool_Flooder_1a4eb229
Create hunting rule
Author:Elastic Security
Rule name:Linux_Hacktool_Flooder_e63396f4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_449937aa
Create hunting rule
Author:Elastic Security
Rule name:malwareelf55503
Create hunting rule
Rule name:MIRAI_OHSHIT_payload
Create hunting rule
Author:AfterPacket
Description:MIRAI_OHSHIT ELF payload -- compiled-in C2 set, all architectures
Reference:https://github.com/Afterpacket/drosera-threat-intel
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 b42dcef549cf28b8b76834f90c86ea0355fac9a2593e86fc176628ef4f01e272

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3949654/
  
Delivery method
Distributed via web download

Comments