MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b45b98d81db9facb0d816c3ad124f55a365900142cbcfcf52cc0d55bb7c3cc1e. 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: 8


Intelligence 8 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b45b98d81db9facb0d816c3ad124f55a365900142cbcfcf52cc0d55bb7c3cc1e
SHA3-384 hash: 79b30c5a88f3601fed968dd28070a5b786ebe344257800ec456f9b1d7d04d45bb3881da3b1cecdecc5d9c18609e1cab4
SHA1 hash: 39bf3e17bbda2d8aba5e42ac4eea9eb757d4a737
MD5 hash: 89a3f81cdfb31adafef61880f0b198f6
humanhash: edward-magnesium-twelve-shade
File name:armv5l
Download: download sample
Signature Mirai
Create hunting rule
File size:156'280 bytes
First seen:2026-05-20 16:41:47 UTC
Last seen:2026-05-21 10:54:07 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:w5NRO33Ghj01YWoBVo/iCUS/7NvHGhQ0ocmwfUualY4QVH1TyNyX+nn:wNRO33Ghj01YWoBufolocmwcualYLVAT
TLSH T16AE30845FC558B12CAC266BBFF4E428D772B1768D3EE72039D256F24378A85A0E3B141
telfhash t14c21cd65af7019dc6be5811492ab70064fec35e61e211496de6c270fd816ad2b03dc35
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 :
16
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-10056448-0
Create hunting rule

Unix.Trojan.Mirai-10056452-0
Create hunting rule

Unix.Trojan.Mirai-10058666-0
Create hunting rule

Unix.Trojan.Mirai-10059004-0
Create hunting rule

Unix.Malware.Mirai-10059790-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin rust
Link:
https://www.filescan.io/uploads/6a0de76dc9d535126e025b85/reports/57e49bd4-9140-4250-b78b-8a0f6eca16a1/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-20T14:22:00Z UTC
Last seen:
2026-05-22T00:23:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b45b98d81db9facb0d816c3ad124f55a365900142cbcfcf52cc0d55bb7c3cc1e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a8abcbd9-4cd9-4ecf-8b25-f49810140116
Behavior Graph:
Download SVG
%3 guuid=e88980ba-1d00-0000-085f-dfc104090000 pid=2308 /usr/bin/sudo guuid=450d51bd-1d00-0000-085f-dfc108090000 pid=2312 /tmp/sample.bin guuid=e88980ba-1d00-0000-085f-dfc104090000 pid=2308->guuid=450d51bd-1d00-0000-085f-dfc108090000 pid=2312 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ad3c90fc-97ca-425c-8721-3f24d3b4ddec
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1916581
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Found malware configuration
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1916581 Sample: armv5l.elf Startdate: 20/05/2026 Architecture: LINUX Score: 100 29 185.254.28.148, 56328, 56334, 56336 AS209737TR Turkey 2->29 31 daisy.ubuntu.com 2->31 33 Found malware configuration 2->33 35 Antivirus detection for dropped file 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 3 other signatures 2->39 9 armv5l.elf 2->9         started        11 gnome-session-binary sh gnome-shell 2->11         started        13 gnome-session-binary sh gsd-sharing 2->13         started        15 4 other processes 2->15 signatures3 process4 process5 17 armv5l.elf 9->17         started        process6 19 armv5l.elf 17->19         started        file7 25 /var/main, ELF 19->25 dropped 27 /etc/init.d/xs.main, POSIX 19->27 dropped 41 Sample tries to set files in /etc globally writable 19->41 43 Drops files in suspicious directories 19->43 45 Sample deletes itself 19->45 23 armv5l.elf 19->23         started        signatures8 process9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b45b98d81db9facb0d816c3ad124f55a365900142cbcfcf52cc0d55bb7c3cc1e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b45b98d81db9facb0d816c3ad124f55a365900142cbcfcf52cc0d55bb7c3cc1e/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-05-20 16:58:30 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wrnzrwa5xh5mwdmbnq5ncjhvli3fsaaufs6pz5jmydkvxn6dzqpa._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/260520-t9bf6ses2p/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b45b98d81db9facb0d816c3ad124f55a365900142cbcfcf52cc0d55bb7c3cc1e

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
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
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_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
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 b45b98d81db9facb0d816c3ad124f55a365900142cbcfcf52cc0d55bb7c3cc1e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3850775/
  
Delivery method
Distributed via web download

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