MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f44dd1fe97d6304c0ea3b15394796012859e2d5a7f19871af851b60d5c57e58. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f44dd1fe97d6304c0ea3b15394796012859e2d5a7f19871af851b60d5c57e58
SHA3-384 hash: df5cc0a2504115e9637dba0e31e35fb6988690feca04cab0606def9f722cab0d8e647a9d8dc3e1c97dca3a619e58b905
SHA1 hash: 65e35aa7fb348739a50842e68755b87e79071201
MD5 hash: d49f5284cb3f02fbbd5401638189da4c
humanhash: edward-victor-wolfram-island
File name:nklm68k
Download: download sample
Signature Mirai
Create hunting rule
File size:77'808 bytes
First seen:2025-12-23 00:28:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:YffoLtKLQlDElOFGPHact2FAz8QSZODbMieEH1CQsZgoWTPC:YffGEm06ct2mqMdeM1CQsqod
TLSH T137733A97E002DDBDF80EE677845B0B11B93577415F520F27A69AFDE3AD320848D2AD82
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
107
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6949e25de8abb702f805d27a/reports/f694c2ec-bb1f-4350-814f-96e57e6a300c/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-22T18:58:00Z UTC
Last seen:
2025-12-22T20:14:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/4f44dd1fe97d6304c0ea3b15394796012859e2d5a7f19871af851b60d5c57e58/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/07af2630-3d04-42a1-805d-b832e163f75e
Behavior Graph:
Download SVG
%3 guuid=c7076439-1900-0000-06dc-11af580c0000 pid=3160 /usr/bin/sudo guuid=3fd3b83b-1900-0000-06dc-11af5f0c0000 pid=3167 /tmp/sample.bin guuid=c7076439-1900-0000-06dc-11af580c0000 pid=3160->guuid=3fd3b83b-1900-0000-06dc-11af5f0c0000 pid=3167 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4c8e8899-cb3e-4f98-8bfd-b6a14e5ec907
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1837987
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1837987 Sample: nklm68k.elf Startdate: 23/12/2025 Architecture: LINUX Score: 60 18 14.99.142.217, 23 TTSL-MEISISPTataTeleservicesISPASIN India 2->18 20 14.99.151.234, 23 TTSL-MEISISPTataTeleservicesISPASIN India 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 Connects to many IPs within the same subnet mask (likely port scanning) 2->28 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/4f44dd1fe97d6304c0ea3b15394796012859e2d5a7f19871af851b60d5c57e58
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4f44dd1fe97d6304c0ea3b15394796012859e2d5a7f19871af851b60d5c57e58/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-23 00:29:16 UTC
File Type:
ELF32 Big (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j5cn2h7jpvrqjqhkhmktsr4waeuftywvu7yzq4npqunwbvofpzma._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251223-as231s1mat/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
Link:
https://app.threat.zone/submission/56af1fbd-9f82-437d-b14a-d52bca434ee4
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/4f44dd1fe97d6304c0ea3b15394796012859e2d5a7f19871af851b60d5c57e58

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: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 4f44dd1fe97d6304c0ea3b15394796012859e2d5a7f19871af851b60d5c57e58

(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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