MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b905ff92426bd8ea7a2c3846790d5458c053f996448d25637caf4be4569cdfa4. 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: 7


Intelligence 7 IOCs YARA 5 File information Comments

SHA256 hash: b905ff92426bd8ea7a2c3846790d5458c053f996448d25637caf4be4569cdfa4
SHA3-384 hash: 326c0f43cc3fbb0d7056d41a88e30dcaa02a6cb41b07666382a005bf9b7a150af2b4a619db1a9ece8e603d0c12397531
SHA1 hash: 4e48750160daea4a62a89fa04c02d95230859134
MD5 hash: 9a44d4b41c0fb49f65e6b816a62c6d72
humanhash: skylark-friend-kitten-sodium
File name:iran.mipsel
Download: download sample
Signature Mirai
File size:211'648 bytes
First seen:2026-08-18 05:40:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:PD/6gT7DbU28Mn0NawZ5aMBjv+7GYNRNr1:PDND1f08wZ5Fj6GY3Nr
TLSH T12024C60AAF610FFBD8AFDD3746E90B0635CC650722A83B3A3674D924F54A54B49D3C68
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 :
1
# of downloads :
66
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sets a written file as executable
Runs as daemon
Receives data from a server
Kills processes
Sends data to a server
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Status:
terminated
Behavior Graph:
%3 guuid=073dd9a7-1a00-0000-eb1f-b78f74080000 pid=2164 /usr/bin/sudo guuid=73c7d3a9-1a00-0000-eb1f-b78f76080000 pid=2166 /tmp/sample.bin guuid=073dd9a7-1a00-0000-eb1f-b78f74080000 pid=2164->guuid=73c7d3a9-1a00-0000-eb1f-b78f76080000 pid=2166 execve guuid=840acfaa-1a00-0000-eb1f-b78f78080000 pid=2168 /usr/bin/dash guuid=73c7d3a9-1a00-0000-eb1f-b78f76080000 pid=2166->guuid=840acfaa-1a00-0000-eb1f-b78f78080000 pid=2168 clone
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Drops files in suspicious directories
Found malware configuration
Multi AV Scanner detection for submitted file
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1959452 Sample: iran.mipsel.elf Startdate: 18/08/2026 Architecture: LINUX Score: 100 23 31.77.227.119, 44626, 44628, 44630 ZLIDCGB Madagascar 2->23 25 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->25 27 daisy.ubuntu.com 2->27 33 Found malware configuration 2->33 35 Antivirus / Scanner detection for submitted sample 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 2 other signatures 2->39 9 iran.mipsel.elf 2->9         started        11 python3.8 dpkg 2->11         started        signatures3 process4 process5 13 iran.mipsel.elf 9->13         started        process6 15 iran.mipsel.elf 13->15         started        file7 21 /etc/init.d/xs.main, POSIX 15->21 dropped 29 Sample tries to set files in /etc globally writable 15->29 31 Drops files in suspicious directories 15->31 19 iran.mipsel.elf 15->19         started        signatures8 process9
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-04 16:42:29 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery persistence
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Enumerates running processes
Modifies init.d
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_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 b905ff92426bd8ea7a2c3846790d5458c053f996448d25637caf4be4569cdfa4

(this sample)

  
Delivery method
Distributed via web download

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