MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89583887476e0300035b980c9f3c9d86034a44eeb819055c9d43b0a589b6d304. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: 89583887476e0300035b980c9f3c9d86034a44eeb819055c9d43b0a589b6d304
SHA3-384 hash: bdc8590b5590b4e9fd299477969ebf8e1d60f1c9737d51adb3d48118cde79a9c4246e143790156ffd9e128cba5d1da3f
SHA1 hash: 890ca7c491c4e97017cc0cedc322fd32c4d46ee4
MD5 hash: c45a820940e435526fa73a48b9a9ae4e
humanhash: fillet-lactose-bulldog-cat
File name:nklm68k
Download: download sample
Signature Mirai
File size:89'928 bytes
First seen:2026-01-18 13:17:41 UTC
Last seen:2026-01-19 04:25:45 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:aUCBf6DoJLTKjio5eob8oqEblXWabC2syshzsb/kPhsxrJH3XDqoLO8df1MWTPQ:/CBf6DUO+o5ezkRGabaz2ykHnDqoLnMb
TLSH T1A1935C96B000DC7EF91BE6B390070B15B13067A59F426B6BB62BFD63DE3D0685C1AC42
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
86
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-18T10:29:00Z UTC
Last seen:
2026-01-18T11:18:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen
Status:
terminated
Behavior Graph:
%3 guuid=9b09afb4-1900-0000-fdc0-12e34a0c0000 pid=3146 /usr/bin/sudo guuid=507d7db6-1900-0000-fdc0-12e3510c0000 pid=3153 /tmp/sample.bin guuid=9b09afb4-1900-0000-fdc0-12e34a0c0000 pid=3146->guuid=507d7db6-1900-0000-fdc0-12e3510c0000 pid=3153 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
56 / 100
Signature
Antivirus / Scanner detection for submitted sample
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852733 Sample: nklm68k.elf Startdate: 18/01/2026 Architecture: LINUX Score: 56 14 155.66.71.156 ZAMRENZM Switzerland 2->14 16 216.134.224.108 YELCOTUS United States 2->16 18 100 other IPs or domains 2->18 20 Antivirus / Scanner detection for submitted sample 2->20 22 Yara detected Mirai 2->22 8 nklm68k.elf 2->8         started        signatures3 process4 process5 10 nklm68k.elf 8->10         started        process6 12 nklm68k.elf 10->12         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-18 13:19:12 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 89583887476e0300035b980c9f3c9d86034a44eeb819055c9d43b0a589b6d304

(this sample)

  
Delivery method
Distributed via web download

Comments