MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c872c1eb76673ff273fd368a4a36b56dc0023f77d8437c8bc6dee42d6d1e2447. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c872c1eb76673ff273fd368a4a36b56dc0023f77d8437c8bc6dee42d6d1e2447
SHA3-384 hash: d53b61c40051cb7f26c07b39c9800443751d94209798c216a9378a57de90d9392b4342c410c402b31b36717791b793cd
SHA1 hash: 156a639fc69ace85c1d00043c838e07c6ae6a18b
MD5 hash: f37721d02ef710ac4fb68e8ac185a21c
humanhash: four-music-undress-september
File name:nklm68k
Download: download sample
Signature Mirai
Create hunting rule
File size:77'180 bytes
First seen:2026-01-11 01:45:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:IPFXAC2/JqUaeXzEi7XmY1oUcZXUkoWbZleYRqA8d8LWTPlc:IPFXAZND1Xmh7ppb3eYRqsLOc
TLSH T1EF734A86A004CEBCFC4AAB7B84170E05B57473451F530F3BE666FDAB6A73098491ED86
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
113
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-6981989-0
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

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

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

Unix.Trojan.Mirai-10008934-0
Create hunting rule

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

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/696300f130368802bb7fa81d/reports/d997ec89-9e8a-40f9-b983-b9413b6c5092/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-11T00:08:00Z UTC
Last seen:
2026-01-11T00:51:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/c872c1eb76673ff273fd368a4a36b56dc0023f77d8437c8bc6dee42d6d1e2447/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2f169764-2fd6-4496-a2d9-c26790c5c573
Behavior Graph:
Download SVG
%3 guuid=3cf19755-1800-0000-5d54-130fb2090000 pid=2482 /usr/bin/sudo guuid=63c66258-1800-0000-5d54-130fb6090000 pid=2486 /tmp/sample.bin guuid=3cf19755-1800-0000-5d54-130fb2090000 pid=2482->guuid=63c66258-1800-0000-5d54-130fb6090000 pid=2486 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/391a945b-6348-4120-9b08-d300f13eebaa
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1848146
Signature
Antivirus / Scanner detection for submitted sample
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1848146 Sample: nklm68k.elf Startdate: 11/01/2026 Architecture: LINUX Score: 68 18 41.215.183.4, 23 afczasZM Zambia 2->18 20 41.215.183.7, 23 afczasZM Zambia 2->20 22 100 other IPs or domains 2->22 24 Antivirus / Scanner detection for submitted sample 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Mirai 2->28 30 Connects to many IPs within the same subnet mask (likely port scanning) 2->30 8 nklm68k.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 nklm68k.elf 8->14         started        process6 16 nklm68k.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c872c1eb76673ff273fd368a4a36b56dc0023f77d8437c8bc6dee42d6d1e2447
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c872c1eb76673ff273fd368a4a36b56dc0023f77d8437c8bc6dee42d6d1e2447/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-11 01:46:28 UTC
File Type:
ELF32 Big (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zbzmd23wm477e475g2feunvvnxaaep3x3bbxzc6g33sc23i6erdq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260111-b66h2ads7c/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
Link:
https://app.threat.zone/submission/421b169b-51f0-495a-b834-fb268cc1cb52
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/c872c1eb76673ff273fd368a4a36b56dc0023f77d8437c8bc6dee42d6d1e2447

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
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 c872c1eb76673ff273fd368a4a36b56dc0023f77d8437c8bc6dee42d6d1e2447

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3740304/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739196/

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