MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a831e40d0886ca5a592fa31d4a668e1b464aecfe2dfb6655fa3dafd0a45ae1e. 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: 6


Intelligence 6 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5a831e40d0886ca5a592fa31d4a668e1b464aecfe2dfb6655fa3dafd0a45ae1e
SHA3-384 hash: f35b036bdc4160c7c158a969115fdaecd0ad81a98ead06ecd485b67536c8e07eec5cd182df7af5b7dc48a43d6daff7a0
SHA1 hash: af553e997fd98a0c863eb1fc1ac94c025618bb64
MD5 hash: dd9646be2709a524f0f26e4fbae742c0
humanhash: black-april-hotel-ceiling
File name:i686
Download: download sample
Signature Mirai
Create hunting rule
File size:93'940 bytes
First seen:2025-12-29 23:35:11 UTC
Last seen:2025-12-30 01:22:39 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:DqcU+D+MJmCowjJ5cHEfSWYQnf750neSoNqR4xuUvq0q:ntDowlZxnf750e2be
TLSH T12593D292AE43DFB3E45310F042B79F658E31FC3A1C36D586E76ABDE18A114C1A616329
telfhash t1055159f93da608fcf380a848d71e5b933e0ada77196076b944a3652137f6da581a0c3d
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 :
3
# of downloads :
38
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/6953104d127d6a14e0c757a3/reports/309dcc10-6a10-41f7-ad77-fbcc86efc9f0/overview
Verdict:
Unknown
File Type:
elf.32.le
First seen:
2025-12-29T21:15:00Z UTC
Last seen:
2025-12-29T22:05:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/5a831e40d0886ca5a592fa31d4a668e1b464aecfe2dfb6655fa3dafd0a45ae1e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f0fe12a8-622e-45f8-884b-bb6b7066c4e4
Behavior Graph:
Download SVG
%3 guuid=d59ea789-1900-0000-f07f-095f5f0a0000 pid=2655 /usr/bin/sudo guuid=4ac2828b-1900-0000-f07f-095f660a0000 pid=2662 /tmp/sample.bin net guuid=d59ea789-1900-0000-f07f-095f5f0a0000 pid=2655->guuid=4ac2828b-1900-0000-f07f-095f660a0000 pid=2662 execve 24601723-ce49-57fd-8a20-658824355076 127.0.0.1:2625 guuid=4ac2828b-1900-0000-f07f-095f660a0000 pid=2662->24601723-ce49-57fd-8a20-658824355076 con guuid=929ebd8b-1900-0000-f07f-095f670a0000 pid=2663 /tmp/sample.bin write-config guuid=4ac2828b-1900-0000-f07f-095f660a0000 pid=2662->guuid=929ebd8b-1900-0000-f07f-095f670a0000 pid=2663 clone guuid=74402b8c-1900-0000-f07f-095f6a0a0000 pid=2666 /tmp/sample.bin net zombie guuid=4ac2828b-1900-0000-f07f-095f660a0000 pid=2662->guuid=74402b8c-1900-0000-f07f-095f6a0a0000 pid=2666 clone a32958ef-0455-5053-af46-20ca1872719d 45.153.34.74:8954 guuid=74402b8c-1900-0000-f07f-095f6a0a0000 pid=2666->a32958ef-0455-5053-af46-20ca1872719d con guuid=ee87388c-1900-0000-f07f-095f6b0a0000 pid=2667 /tmp/sample.bin guuid=74402b8c-1900-0000-f07f-095f6a0a0000 pid=2666->guuid=ee87388c-1900-0000-f07f-095f6b0a0000 pid=2667 clone
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/85762ce8-f8c5-4c1d-a74d-9be6cb6c0b59
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.mine
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1841796
Signature
Found strings related to Crypto-Mining
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1841796 Sample: i686.elf Startdate: 30/12/2025 Architecture: LINUX Score: 72 27 45.153.34.74, 40636, 8954 SKYLINKNL Germany 2->27 29 54.171.230.55, 443, 60060 AMAZON-02US United States 2->29 33 Malicious sample detected (through community Yara rule) 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Yara detected Mirai 2->37 8 i686.elf 2->8         started        11 dash rm 2->11         started        13 dash cut 2->13         started        15 8 other processes 2->15 signatures3 process4 signatures5 39 Found strings related to Crypto-Mining 8->39 17 i686.elf 8->17         started        21 i686.elf 8->21         started        process6 file7 25 /etc/cron.d/.sysupdate, ASCII 17->25 dropped 31 Sample tries to persist itself using cron 17->31 23 i686.elf 21->23         started        signatures8 process9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/5a831e40d0886ca5a592fa31d4a668e1b464aecfe2dfb6655fa3dafd0a45ae1e
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5a831e40d0886ca5a592fa31d4a668e1b464aecfe2dfb6655fa3dafd0a45ae1e/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-29 23:35:42 UTC
File Type:
ELF32 Little (Exe)
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lkbr4qgqrbwkljms7iy5jjti4g2gjlwp4lp3mzk7upnp2csfvypa._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/251229-3lctrsgj5w/
Behaviour
Changes its process name
Reads system network configuration
Creates/modifies Cron job
Enumerates active TCP sockets
Verdict:
Unknown
Tags:
trojan mirai
YARA:
Linux_Trojan_Mirai_cc93863b
Link:
https://app.threat.zone/submission/aefd508b-8163-4cf6-a1d8-6b9a754d4f75
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.03
Link:
https://yomi.yoroi.company/submissions/5a831e40d0886ca5a592fa31d4a668e1b464aecfe2dfb6655fa3dafd0a45ae1e

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_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Mirai_cc93863b
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 5a831e40d0886ca5a592fa31d4a668e1b464aecfe2dfb6655fa3dafd0a45ae1e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3746099/
  
Delivery method
Distributed via web download

Comments