MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78fa8d2638113db18043e79d3122a69b48b7d62cbe438480a625f6fe255b446d. 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 2 File information Comments

SHA256 hash: 78fa8d2638113db18043e79d3122a69b48b7d62cbe438480a625f6fe255b446d
SHA3-384 hash: 950498f483173e1425d1cb26e74f415bc985c0dfd3a5b5045e43d377dd9306fcf1588e70ecdbf319b533660f479c5c4f
SHA1 hash: 8c17cb3f3717f7a30088796ea9239df31ffbfb2d
MD5 hash: 0c62d9d088cc63478e35331f30789a61
humanhash: mirror-nebraska-yankee-tennis
File name:Nnn
Download: download sample
Signature Mirai
File size:102'560 bytes
First seen:2026-08-06 06:03:04 UTC
Last seen:2026-08-06 13:36:48 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:Z/QBJ9yN0IRx8BOUn4EzEpm9TAR3AuSkxdt2Fzg3p95ghZp2yYuy:VQIuIRxmOU4EJcAw3Cy
TLSH T175A3EA0AAF611EFBD81BCD3705AD0B0278CC951771583B767538D928FA4A94B8AD3CB4
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 :
90
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Sets a written file as executable
Manages services
Runs as daemon
Kills processes
Collects information on the CPU
Collects information on the RAM
Connection attempt
Writes symbolic links to system directory
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-05T17:29:00Z UTC
Last seen:
2026-08-07T07:53:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=db2f2a0f-1a00-0000-c3af-b23fd3090000 pid=2515 /usr/bin/sudo guuid=22b8c410-1a00-0000-c3af-b23fd9090000 pid=2521 /tmp/sample.bin guuid=db2f2a0f-1a00-0000-c3af-b23fd3090000 pid=2515->guuid=22b8c410-1a00-0000-c3af-b23fd9090000 pid=2521 execve
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-08-05 23:39:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery execution persistence privilege_escalation
Behaviour
Reads runtime system information
Creates/modifies Cron job
Enumerates running processes
Modifies rc script
Modifies systemd
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 78fa8d2638113db18043e79d3122a69b48b7d62cbe438480a625f6fe255b446d

(this sample)

  
Delivery method
Distributed via web download

Comments