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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9b9d00d385e4b9943969d44dfbf002e029800c087d27027b4a8d6ac535f560f. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b9b9d00d385e4b9943969d44dfbf002e029800c087d27027b4a8d6ac535f560f
SHA3-384 hash: e8ee5c7ae56f13730c886667f3b2988411a59276f2f7fadebee527ce5c212c9d5c53d1bde2597134d53fa7b0903a9243
SHA1 hash: 8d2be8b36394d32ca76cd11b6af8cbabe392823e
MD5 hash: 20fc1a54b29eef715e95c2093c784db7
humanhash: jersey-fanta-hamper-diet
File name:arm
Download: download sample
Signature Mirai
Create hunting rule
File size:195'276 bytes
First seen:2026-08-25 14:39:21 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:w6jiQ6weJnt96n9nDNx1UZj4PElTog1NG9Sc+Suju1EssMZc/T03ImIys61X1h5M:wqiQ6weJnt96nlDFGj4PkTorUc+SuoEj
TLSH T18A143851BCA29A12C6C3527BFB4E424D372A539AD2DD7103FD1D6F603F8A42B4A7B181
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 :
48
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-9441505-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/6a8da952c3eb34c10775e3eb/reports/cd789587-1257-4316-81e3-38b14eef3206/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-25T12:24:00Z UTC
Last seen:
2026-08-26T18:27:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b9b9d00d385e4b9943969d44dfbf002e029800c087d27027b4a8d6ac535f560f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b297598c-a0ed-4286-9c17-e31900b0413d
Behavior Graph:
Download SVG
%3 guuid=2e71d263-1800-0000-5647-7bdd870a0000 pid=2695 /usr/bin/sudo guuid=012b6e65-1800-0000-5647-7bdd880a0000 pid=2696 /tmp/sample.bin guuid=2e71d263-1800-0000-5647-7bdd870a0000 pid=2695->guuid=012b6e65-1800-0000-5647-7bdd880a0000 pid=2696 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5e9e5c3a-d912-4e67-adcf-b9bea77082d6
Result
Threat name:
Mirai, Moobot
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1963430
Signature
Antivirus / Scanner detection for submitted sample
Detected Mirai
Drops files in suspicious directories
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to persist itself using cron
Suricata IDS alerts for network traffic
Yara detected Moobot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1963430 Sample: arm.elf Startdate: 25/08/2026 Architecture: LINUX Score: 96 67 198.144.179.82, 38056, 55650 AS-COLOCROSSING-HostPapaUS United States 2->67 69 Suricata IDS alerts for network traffic 2->69 71 Antivirus / Scanner detection for submitted sample 2->71 73 Detected Mirai 2->73 75 2 other signatures 2->75 10 arm.elf 2->10         started        signatures3 process4 signatures5 77 Sample deletes itself 10->77 13 arm.elf 10->13         started        process6 file7 59 /var/spool/cron/crontabs/root, ASCII 13->59 dropped 61 /etc/init.d/a8f6c9, POSIX 13->61 dropped 63 /etc/crontab, ASCII 13->63 dropped 65 /var/tmp/.r.sh, POSIX 13->65 dropped 79 Drops files in suspicious directories 13->79 81 Sample reads /proc/mounts (often used for finding a writable filesystem) 13->81 83 Sample tries to persist itself using cron 13->83 17 arm.elf 13->17         started        19 arm.elf 13->19         started        21 arm.elf 13->21         started        23 arm.elf 13->23         started        signatures8 process9 process10 25 arm.elf sh 17->25         started        27 arm.elf sh 17->27         started        29 arm.elf sh 17->29         started        37 2 other processes 17->37 31 arm.elf sh 19->31         started        33 arm.elf sh 19->33         started        35 arm.elf sh 19->35         started        39 2 other processes 19->39 process11 41 sh cp 25->41         started        43 sh chmod 25->43         started        45 sh cp 27->45         started        47 sh chmod 27->47         started        55 2 other processes 29->55 49 sh rm 31->49         started        51 sh rm 31->51         started        53 sh insmod 33->53         started        57 4 other processes 37->57
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b9b9d00d385e4b9943969d44dfbf002e029800c087d27027b4a8d6ac535f560f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b9b9d00d385e4b9943969d44dfbf002e029800c087d27027b4a8d6ac535f560f/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-25 14:40:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xg45adjylzfzsq4wtvcn7pyafybjqagaq7jhaj5uvdlkyu27kyhq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/260825-r1195azzay/
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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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:F01_s1ckrule
Create hunting rule
Author:s1ckb017
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:Linux_Rootkit_Generic_61229bdf
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 b9b9d00d385e4b9943969d44dfbf002e029800c087d27027b4a8d6ac535f560f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3904518/
  
Delivery method
Distributed via web download

Comments