MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a56233c6ddb7fa71a21f0937459da91d7329c8deaa8ab0217bd2cb87feb4d68d. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a56233c6ddb7fa71a21f0937459da91d7329c8deaa8ab0217bd2cb87feb4d68d
SHA3-384 hash: 5994a2ef6233abfa6383d016b2bf06827eab224d1c4d0499774c8f67971da4e618ec3d0fdb7ab0a5e9364e0c6b41c08f
SHA1 hash: dc40b76193e9f22542a4e21c9e145188cb823917
MD5 hash: 2da793416b431082e0f045d2c2be3734
humanhash: stairway-violet-yellow-white
File name:nabm68k
Download: download sample
Signature Mirai
Create hunting rule
File size:58'236 bytes
First seen:2026-01-25 18:29:59 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:u2wzx4rqn8BMzRsfrm+Zy0urOfb9HvdnVySTeBTgNDe+8GbYjiK3o8eTZeONZh:uXcyNsi++OxPdnXTedgBe+/b58o7NZh
TLSH T16D431893F804EDBEF80DEB7788970A06B170E3A509530B76A7637957FD761940832E86
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
94
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-6981989-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Mirai-9940650-0
Create hunting rule

Unix.Trojan.Mirai-10018298-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/6976614b5db9ae477091568e/reports/d07822b0-d653-432e-a2f9-04dd0d72ba52/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-25T18:32:00Z UTC
Last seen:
2026-01-25T18:45:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a56233c6ddb7fa71a21f0937459da91d7329c8deaa8ab0217bd2cb87feb4d68d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a7a03671-1bbd-4b1b-93bd-6320294b382b
Behavior Graph:
Download SVG
%3 guuid=735959e1-1700-0000-5384-bb6ee70b0000 pid=3047 /usr/bin/sudo guuid=c7b312e3-1700-0000-5384-bb6eee0b0000 pid=3054 /tmp/sample.bin guuid=735959e1-1700-0000-5384-bb6ee70b0000 pid=3047->guuid=c7b312e3-1700-0000-5384-bb6eee0b0000 pid=3054 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a564e71a-ab33-40e4-8f82-97d13cea7e81
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1857260
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Drops invisible ELF files
Multi AV Scanner detection for submitted file
Sample deletes itself
Sends malformed DNS queries
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1857260 Sample: nabm68k.elf Startdate: 25/01/2026 Architecture: LINUX Score: 64 24 slursontel.ru. [malformed] 2->24 26 slursbeback.ru. [malformed] 2->26 28 103 other IPs or domains 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Connects to many IPs within the same subnet mask (likely port scanning) 2->32 8 nabm68k.elf .systemd-journald 2->8         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 34 Sends malformed DNS queries 26->34 process4 file5 22 /dev/shm/.systemd-journald, ELF 8->22 dropped 36 Drops invisible ELF files 8->36 38 Sample deletes itself 8->38 16 .systemd-journald 8->16         started        signatures6 process7 process8 18 .systemd-journald 16->18         started        20 .systemd-journald 16->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a56233c6ddb7fa71a21f0937459da91d7329c8deaa8ab0217bd2cb87feb4d68d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a56233c6ddb7fa71a21f0937459da91d7329c8deaa8ab0217bd2cb87feb4d68d/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-25 18:30:47 UTC
File Type:
ELF32 Big (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uvrdhrw5w75hdiq7be3ulhnjdvzstsg6vkflail32lfyp7vu22gq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260125-w5sk1aew4a/
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/a56233c6ddb7fa71a21f0937459da91d7329c8deaa8ab0217bd2cb87feb4d68d

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: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 a56233c6ddb7fa71a21f0937459da91d7329c8deaa8ab0217bd2cb87feb4d68d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739198/
  
Delivery method
Distributed via web download

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