MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc923b4f2165fe6f326f26f8739ceb3d3aea3e5b78bc8b091047fc677d0214ad. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments

SHA256 hash: dc923b4f2165fe6f326f26f8739ceb3d3aea3e5b78bc8b091047fc677d0214ad
SHA3-384 hash: 607ff034a072d21e2bad291c017b2604f87c7f62f06eb17850dfeb1ddb9c2326b80cc3b2e6aff362b83b09897c3b75f1
SHA1 hash: ef5c8b05125cef8ed901f43f20838f6f638add82
MD5 hash: 7ad1f7c974926a2f1a78b56da3d2b49f
humanhash: violet-robert-whiskey-artist
File name:ya4
Download: download sample
Signature Mirai
File size:98'300 bytes
First seen:2026-07-29 21:00:51 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:dQ8ZkBcaCn7FuLyEQEbJv/1iHGdgW8x7Q8puFs7dXav09TV3iDtR:b37FuWEQ+JX1VdgHbuFsBy
TLSH T10AA3C71B2F619FACF3A9833497B74B30965C23D123E2C684D1ACD9012E7434E595F7AA
telfhash t11631e519487812f4d3610d9d6eeefb31e0a170df29261e378f22ed5aee1d8428d10c1d
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
83
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Sets a written file as executable
Receives data from a server
Connection attempt
Sends data to a server
Manages services
Runs as daemon
Collects information on the CPU
Creating a file
Collects information on the RAM
Creates or modifies files in /cron to set up autorun
Writes symbolic links to system directory
Creates or modifies files in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Status:
terminated
Behavior Graph:
%3 guuid=fdac5f67-1800-0000-fd99-9964200b0000 pid=2848 /usr/bin/sudo guuid=3b81f569-1800-0000-fd99-9964210b0000 pid=2849 /tmp/sample.bin guuid=fdac5f67-1800-0000-fd99-9964200b0000 pid=2848->guuid=3b81f569-1800-0000-fd99-9964210b0000 pid=2849 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-07-29 21:01:35 UTC
File Type:
ELF32 Big (Exe)
AV detection:
5 of 36 (13.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
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: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

Mirai

elf dc923b4f2165fe6f326f26f8739ceb3d3aea3e5b78bc8b091047fc677d0214ad

(this sample)

  
Delivery method
Distributed via web download

Comments