MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2591b5b407edf17ac1668ab79170c20bed5ac85a16cd50382ca62434037944e0. 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: 13


Intelligence 13 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2591b5b407edf17ac1668ab79170c20bed5ac85a16cd50382ca62434037944e0
SHA3-384 hash: 75afbaa1d4539f977e0795a997064fcc60ab12f86689043ff1ca4a2dfa4e5ffff68d7308ca3a7c78e46452af3b18cc3c
SHA1 hash: a3a762b38c935bf86d286b36b7cb4c9cc0673b9f
MD5 hash: fae62b41bb5dfc76348047916ae3b75d
humanhash: steak-potato-music-fillet
File name:ub8ehJSePAfc9FYqZIT6.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:96'456 bytes
First seen:2026-01-18 13:21:08 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:tsZk/qG+yanfcq0VpiBuBz5YQGcFj44SPoBP/PmB:tykSZR0T5BzWQTF0lP6H8
TLSH T1A2934AC5E6C3D8BAFC12447520669B32CE73E67E203ADE47C7AD99329D71401C61AB6C
telfhash t1ed5129fa1dba09ecb7d49848c71a1ef32a59db73115076b581f39d9433f29818066c39
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 d86c2dd49dcf002ae3122b0d1502287a8f1c5827e9d16d74df3acbfa4bc59a64
File size (compressed) :39'984 bytes
File size (de-compressed) :96'456 bytes
Format:linux/i386
Packed file: d86c2dd49dcf002ae3122b0d1502287a8f1c5827e9d16d74df3acbfa4bc59a64

Intelligence

File Origin
# of uploads :
1
# of downloads :
47
Origin country :
NL NL
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/32a91e35-6465-4f23-8144-e31e6acb9618/
Detection(s):
Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9853183-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/696cde58584f1963ad59fda3/reports/2d8f2d58-b37e-4b69-83ed-4c26d76b438f/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-18T09:31:00Z UTC
Last seen:
2026-01-18T17:28:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/2591b5b407edf17ac1668ab79170c20bed5ac85a16cd50382ca62434037944e0/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/4dbedf8d-8194-42f7-bce8-3853e7216eec
Behavior Graph:
Download SVG
%3 guuid=4f921b78-1900-0000-d44e-19bb7f0c0000 pid=3199 /usr/bin/sudo guuid=3e18c97a-1900-0000-d44e-19bb870c0000 pid=3207 /tmp/sample.bin delete-file net guuid=4f921b78-1900-0000-d44e-19bb7f0c0000 pid=3199->guuid=3e18c97a-1900-0000-d44e-19bb870c0000 pid=3207 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=3e18c97a-1900-0000-d44e-19bb870c0000 pid=3207->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=a6de197b-1900-0000-d44e-19bb880c0000 pid=3208 /tmp/sample.bin guuid=3e18c97a-1900-0000-d44e-19bb870c0000 pid=3207->guuid=a6de197b-1900-0000-d44e-19bb880c0000 pid=3208 clone guuid=67a9c4b6-1900-0000-d44e-19bbc20c0000 pid=3266 /tmp/sample.bin guuid=3e18c97a-1900-0000-d44e-19bb870c0000 pid=3207->guuid=67a9c4b6-1900-0000-d44e-19bbc20c0000 pid=3266 clone guuid=0dcf6bf2-1900-0000-d44e-19bb260d0000 pid=3366 /tmp/sample.bin guuid=3e18c97a-1900-0000-d44e-19bb870c0000 pid=3207->guuid=0dcf6bf2-1900-0000-d44e-19bb260d0000 pid=3366 clone guuid=69e6172e-1a00-0000-d44e-19bbaf0d0000 pid=3503 /tmp/sample.bin guuid=3e18c97a-1900-0000-d44e-19bb870c0000 pid=3207->guuid=69e6172e-1a00-0000-d44e-19bbaf0d0000 pid=3503 clone guuid=efda282e-1a00-0000-d44e-19bbb00d0000 pid=3504 /tmp/sample.bin dns net send-data zombie guuid=3e18c97a-1900-0000-d44e-19bb870c0000 pid=3207->guuid=efda282e-1a00-0000-d44e-19bbb00d0000 pid=3504 clone guuid=efda282e-1a00-0000-d44e-19bbb00d0000 pid=3504->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 4f6baed0-9587-596c-82b3-fd721afe4cc1 10.0.2.3:53 guuid=efda282e-1a00-0000-d44e-19bbb00d0000 pid=3504->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 2280B 3ec2bfaf-8e71-5eeb-b8ce-6ffe78958b80 weifang.serveftp.com:3778 guuid=efda282e-1a00-0000-d44e-19bbb00d0000 pid=3504->3ec2bfaf-8e71-5eeb-b8ce-6ffe78958b80 send: 300B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/163c6836-12de-4df7-869d-3dbf7019c101
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1852743
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2591b5b407edf17ac1668ab79170c20bed5ac85a16cd50382ca62434037944e0
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2591b5b407edf17ac1668ab79170c20bed5ac85a16cd50382ca62434037944e0/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/2591b5b407edf17ac1668ab79170c20bed5ac85a16cd50382ca62434037944e0
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-18 13:21:43 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ewi3lnah5xyxvqlgrk3zc4gcbpwvvsc2c3gvaobmuysdia3zitqa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery linux
Link:
https://tria.ge/reports/260118-qlwwescw3g/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/50740c82-9f7e-4880-8131-437fc18321f2
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/2591b5b407edf17ac1668ab79170c20bed5ac85a16cd50382ca62434037944e0

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:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
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 d86c2dd49dcf002ae3122b0d1502287a8f1c5827e9d16d74df3acbfa4bc59a64

Mirai

elf 2591b5b407edf17ac1668ab79170c20bed5ac85a16cd50382ca62434037944e0

(this sample)

  
Dropped by
SHA256 d86c2dd49dcf002ae3122b0d1502287a8f1c5827e9d16d74df3acbfa4bc59a64
  
URLhaus
https://urlhaus.abuse.ch/url/3757603/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 f43586cec9b0333a533be5a63cdd456f
  
URLhaus
https://urlhaus.abuse.ch/url/3753547/
  
URLhaus
https://urlhaus.abuse.ch/url/3759487/

Comments