MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2f592546e935cb3a2a79efeb35d63a120b7d33319852477e8c20d0940a5ba8a. 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: 6


Intelligence 6 IOCs YARA 5 File information Comments

SHA256 hash: b2f592546e935cb3a2a79efeb35d63a120b7d33319852477e8c20d0940a5ba8a
SHA3-384 hash: f94f3783bac0de464f71f4e21f2af2fb8a255dc976192a23f3f037b577931f21b8fc98a5980ae39a18194123d4b5defc
SHA1 hash: d8ebeaf5443ace5160366c78dffb943fd719e0e1
MD5 hash: 1ef89401f5f0522edb04f12cc8fe4187
humanhash: moon-floor-red-xray
File name:7b1cd4b4e84c95e938691703e0468f1512b68b4d4727cef2399f0612047c93e4.elf
Download: download sample
Signature Mirai
File size:202'084 bytes
First seen:2026-08-27 18:16:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:4WeJUA0XEfmhMhLDwVaFsVLq8sgaEOTb/xq3V5ET:heJUA0XEfmhMhLGaCLqb1TNqrE
TLSH T1A614E81AAF620FF7C8AFDE3305E9074538DC914B21A53B753674D928F50AA4B4AD3C68
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 7b1cd4b4e84c95e938691703e0468f1512b68b4d4727cef2399f0612047c93e4
File size (compressed) :60'776 bytes
File size (de-compressed) :202'084 bytes
Format:linux/mipsel
Packed file: 7b1cd4b4e84c95e938691703e0468f1512b68b4d4727cef2399f0612047c93e4

Intelligence


File Origin
# of uploads :
1
# of downloads :
85
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Receives data from a server
Sends data to a server
Connection attempt
Runs as daemon
Creating a file
Traces processes
Substitutes an application name
Deleting of the original file
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm bash bashlite lolbin mirai
Status:
terminated
Behavior Graph:
%3 guuid=579240cb-1700-0000-8112-171a860a0000 pid=2694 /usr/bin/sudo guuid=c9d31dce-1700-0000-8112-171a8c0a0000 pid=2700 /tmp/sample.bin guuid=579240cb-1700-0000-8112-171a860a0000 pid=2694->guuid=c9d31dce-1700-0000-8112-171a8c0a0000 pid=2700 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-27 18:17:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
8 of 36 (22.22%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm discovery
Behaviour
Reads runtime system information
Checks hardware identifiers (DMI)
Traces itself
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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf b2f592546e935cb3a2a79efeb35d63a120b7d33319852477e8c20d0940a5ba8a

(this sample)

  
Delivery method
Distributed via web download

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