MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a25c180db1c0bf0c233bb7cb936b6a6202e6b5e3ab792d3bfb198e4aeab94dfb. 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
| SHA256 hash: | a25c180db1c0bf0c233bb7cb936b6a6202e6b5e3ab792d3bfb198e4aeab94dfb |
|---|---|
| SHA3-384 hash: | f9e562bcf91cc567174d7072172a85eba535fdc21f05a1c6ed9ddf74bce3fd2514ff119ceecf32c79ee5078d50d5dc6b |
| SHA1 hash: | a9ac0820ee10ab50611857b5ef0ec00c387da592 |
| MD5 hash: | a5751f98fa5dba426de5852cdb6fbe26 |
| humanhash: | cold-mountain-lamp-seventeen |
| File name: | i486 |
| Download: | download sample |
| Signature | Mirai |
| File size: | 86'764 bytes |
| First seen: | 2026-01-04 09:08:01 UTC |
| Last seen: | 2026-01-05 21:29:56 UTC |
| File type: | elf |
| MIME type: | application/x-executable |
| ssdeep | 1536:JUr6rig+UFP+yhgwQxGFGq26XUm31MjPpgO5ohY93yt9d01QMLr:I6r+UFPtTQxv6xe1UKyQ/ |
| TLSH | T181834A86E793E4B1D84711B101BBAB798A31FD630630C91AD7A0BFF0AD316D1B65632D |
| telfhash | t16b41ffe53de918e873e41c0cc21e6ba38b15d63b296136a689f1bc5537e374290b7c39 |
| 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 :
5
# of downloads :
51
Origin country :
DEVendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:
Behaviour
Runs as daemon
Kills processes
Opens a port
Changes access rights for a written file
Launching a process
Sends data to a server
Collects information on the OS
Sets a written file as executable
Creating a file
Collects information on the CPU
Changes the time when the file was created, accessed, or modified
Connection attempt
Writes files to system directory
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
gcc obfuscated rust
Verdict:
Unknown
File Type:
elf.32.le
First seen:
2026-01-03T22:10:00Z UTC
Last seen:
2026-01-04T06:52:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
Malware family:
Mirai
Verdict:
Malicious
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad.mine
Score:
84 / 100
Signature
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Found strings related to Crypto-Mining
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
ELF
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-04 06:14:05 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 38 (36.84%)
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
Reads CPU attributes
Creates/modifies Cron job
Enumerates running processes
Modifies rc script
Modifies systemd
Write file to user bin folder
File and Directory Permissions Modification
Modifies hosts file
Verdict:
Unknown
Tags:
trojan mirai
YARA:
Linux_Trojan_Mirai_3a56423b
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: | enterpriseapps2 |
|---|---|
| Author: | Tim Brown @timb_machine |
| Description: | Enterprise apps |
| Rule name: | linux_generic_ipv6_catcher |
|---|---|
| Author: | @_lubiedo |
| Description: | ELF samples using IPv6 addresses |
| Rule name: | Linux_Trojan_Mirai_3a56423b |
|---|---|
| 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
Delivery method
Distributed via web download
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