MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8fd4af07431ad9132f52cc11f2bedcaa13059fe45c50d0262399f17a5fb28954. 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 10 File information Comments

SHA256 hash: 8fd4af07431ad9132f52cc11f2bedcaa13059fe45c50d0262399f17a5fb28954
SHA3-384 hash: 051cbaf830ff30e375a2262e27aa90df3fc7908c239f2cf8ea83438a2b8fbb6cf94ef30c2e20fcb0772af2f1e9c52129
SHA1 hash: 2a13d4b6831c64038483dfcdfbb800f945e7d0c1
MD5 hash: 285428ad78ad81335ae73e3ded243340
humanhash: hydrogen-nevada-nebraska-alabama
File name:px86
Download: download sample
Signature Mirai
File size:62'768 bytes
First seen:2026-01-01 07:57:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:jsu+iQV3XHNP7WAkOq2d9llRCu8s26kdtsXOSQA4tmbIw:js5xVXHNPQo9t8H6cs+Sx4M
TLSH T1F4536AC1A683D8F9F91A02715177E7364633F47A016DDA93CBA89932FC12900F75B2AC
telfhash t1e331e8fa1dba09fcb7e46584c31eadd31a36c6735670317540b26d8523f3c0250b9839
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 113bc2274f429d9cd5cb64c14738556807e72c051f5409a5be4857ed5480fb84
File size (compressed) :33'484 bytes
File size (de-compressed) :62'768 bytes
Format:linux/i386
Packed file: 113bc2274f429d9cd5cb64c14738556807e72c051f5409a5be4857ed5480fb84

Intelligence


File Origin
# of uploads :
1
# of downloads :
48
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
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-01T05:05:00Z UTC
Last seen:
2026-01-01T06:22:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using cron
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1843059 Sample: px86.elf Startdate: 01/01/2026 Architecture: LINUX Score: 88 76 158.94.208.27 2->76 78 158.94.208.27, 18129, 49224 JANETJiscServicesLimitedGB United Kingdom 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 Antivirus / Scanner detection for submitted sample 2->82 84 Multi AV Scanner detection for submitted file 2->84 86 Yara detected Mirai 2->86 11 px86.elf 2->11         started        14 xfce4-panel wrapper-2.0 2->14         started        16 systemd rsyslogd 2->16         started        18 34 other processes 2->18 signatures3 process4 signatures5 94 Sample deletes itself 11->94 20 px86.elf 11->20         started        22 wrapper-2.0 xfpm-power-backlight-helper 14->22         started        process6 process7 24 px86.elf 20->24         started        27 px86.elf 20->27         started        29 px86.elf 20->29         started        31 px86.elf sh 20->31         started        signatures8 88 Sample tries to kill multiple processes (SIGKILL) 24->88 33 px86.elf sh 24->33         started        35 px86.elf sh 27->35         started        37 px86.elf sh 29->37         started        39 sh crontab 31->39         started        43 sh 31->43         started        process9 file10 45 sh crontab 33->45         started        49 sh 33->49         started        51 sh crontab 35->51         started        53 sh 35->53         started        55 sh crontab 37->55         started        57 sh 37->57         started        68 /var/spool/cron/crontabs/tmp.x9gMwm, ASCII 39->68 dropped 90 Sample tries to persist itself using cron 39->90 92 Executes the "crontab" command typically for achieving persistence 39->92 59 sh crontab 43->59         started        signatures11 process12 file13 70 /var/spool/cron/crontabs/tmp.pafmhk, ASCII 45->70 dropped 61 sh crontab 49->61         started        72 /var/spool/cron/crontabs/tmp.UMyPWw, ASCII 51->72 dropped 64 sh crontab 53->64         started        74 /var/spool/cron/crontabs/tmp.pC3uK5, ASCII 55->74 dropped 98 Sample tries to persist itself using cron 55->98 100 Executes the "crontab" command typically for achieving persistence 55->100 66 sh crontab 57->66         started        signatures14 process15 signatures16 96 Executes the "crontab" command typically for achieving persistence 66->96
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-01 07:58:13 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:mirai defense_evasion discovery execution linux persistence privilege_escalation
Behaviour
Reads runtime system information
Changes its process name
Creates/modifies Cron job
Enumerates running processes
Deletes itself
Modifies Watchdog functionality
Malware Config
C2 Extraction:
158.94.208.27
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-9857931-0
YARA:
Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Please note that we are no longer able to provide a coverage score for Virus Total.

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_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:unixredflags3
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 8fd4af07431ad9132f52cc11f2bedcaa13059fe45c50d0262399f17a5fb28954

(this sample)

Comments