MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 730bfc0f4b716727ef48345cf4cdf51cabf8f96eca0c90d9b4acb2e4f9e71ffd. 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: 12
| SHA256 hash: | 730bfc0f4b716727ef48345cf4cdf51cabf8f96eca0c90d9b4acb2e4f9e71ffd |
|---|---|
| SHA3-384 hash: | a3791cbaa98fbe982acb510d5ddbe48496f4baea154be340c85084437af36b59d31c863174b8f976d006a114232092ba |
| SHA1 hash: | 2c9e0e9083c5a081627f237ec95406b4d1a3f56f |
| MD5 hash: | f43fc69d3c34984dc4fc8d68fcf28646 |
| humanhash: | washington-carbon-football-potato |
| File name: | mao.i486 |
| Download: | download sample |
| Signature | Mirai |
| File size: | 87'036 bytes |
| First seen: | 2026-04-06 11:03:20 UTC |
| Last seen: | 2026-04-06 23:34:56 UTC |
| File type: | elf |
| MIME type: | application/x-executable |
| ssdeep | 1536:1KoFfhazMU6ozOhs7kSYgAQUW31EJrGYdUru682KrL:1KuIYNoyhs7fiYKxNFL |
| TLSH | T1AC837DCAEB87C6F0DD4109F0113BFB3599329C312124DDABDBD4BE639DA2A42A05625C |
| telfhash | t1533105be1af51cd4bbe08402e14e53b01a4df63f295036a247f1f825236ef4652bad38 |
| 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 :
2
# of downloads :
51
Origin country :
DEVendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:
Behaviour
Connection attempt
Kills processes
Launching a process
Creating a file in the %temp% directory
Manages services
Creating a file
Runs as daemon
Sets a written file as executable
Opens a port
DNS request
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
masquerade mirai obfuscated obfuscated rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
11
Number of processes launched:
11
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-04-06T08:18:00Z UTC
Last seen:
2026-04-07T06:21:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
Malware family:
Mirai
Verdict:
Malicious
Result
Threat name:
Okiru
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
Drops files in suspicious directories
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Yara detected Okiru
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
ELF
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-04-06 11:04:30 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
7/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Creates/modifies Cron job
Modifies init.d
Modifies systemd
File and Directory Permissions Modification
Modifies Watchdog functionality
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
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: | Linux_Generic_Threat_3bcc1630 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Generic_Threat_da28eb8b |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Mirai_3a56423b |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Mirai_6e8e9257 |
|---|---|
| Author: | Elastic Security |
| 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
Delivery method
Distributed via web download
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