MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57b9b4e623d6cd28588e257c6fb89a7218379ed96e1a6c9eaadeba26fe8a6a22. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 57b9b4e623d6cd28588e257c6fb89a7218379ed96e1a6c9eaadeba26fe8a6a22
SHA3-384 hash: 4405099ef7300acacc2fbf3d9b0aac52bf0184446d12d0024d4c9c1ea585844e1160ef677a30ca091aeacc7cc54abac8
SHA1 hash: 850b1d421fcdca5e66e898ef75c95bacbec0a197
MD5 hash: ea35ae3be4f8b4249a617baef502e320
humanhash: paris-pizza-video-steak
File name:nklmpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:97'544 bytes
First seen:2025-12-24 13:38:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:3vgAAsNiNyaf+wg9/sbn53a4LHR1xhc8FM+Y/F7s7R8GRzTAbVRI:3hMNVfd9XmxlGpTA
TLSH T1F0930806BB644FF7DC5FCD3745B95B05298D920622A83B7A3A34D818F64B15F0AE38B4
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 :
1
# of downloads :
69
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

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

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

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

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

Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7d6d38b6-7168-484a-bb61-57bbbf55697b
Behavior Graph:
Download SVG
%3 guuid=8f246b90-1b00-0000-1911-3920070c0000 pid=3079 /usr/bin/sudo guuid=d4b76e92-1b00-0000-1911-39200f0c0000 pid=3087 /tmp/sample.bin guuid=8f246b90-1b00-0000-1911-3920070c0000 pid=3079->guuid=d4b76e92-1b00-0000-1911-39200f0c0000 pid=3087 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/973e1fc7-e52c-410b-bdf8-338aadb59d30
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1838838
Signature
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: 1838838 Sample: nklmpsl.elf Startdate: 24/12/2025 Architecture: LINUX Score: 52 14 186.64.17.49, 23 UUNETUS Argentina 2->14 16 186.64.17.92, 23 UUNETUS Argentina 2->16 18 100 other IPs or domains 2->18 20 Multi AV Scanner detection for submitted file 2->20 22 Connects to many IPs within the same subnet mask (likely port scanning) 2->22 8 nklmpsl.elf 2->8         started        signatures3 process4 process5 10 nklmpsl.elf 8->10         started        process6 12 nklmpsl.elf 10->12         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/57b9b4e623d6cd28588e257c6fb89a7218379ed96e1a6c9eaadeba26fe8a6a22
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/57b9b4e623d6cd28588e257c6fb89a7218379ed96e1a6c9eaadeba26fe8a6a22/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-24 13:39:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k643jzrd23gsqweoev6g7oe2oimdphwznyngzhvk325cn7uknira._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Link:
https://tria.ge/reports/251224-qya5gset3d/
Behaviour
Changes its process name
Renames itself
Contacts a large (20797) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/8aaed3b2-09d0-40a9-9773-150a40750179
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/57b9b4e623d6cd28588e257c6fb89a7218379ed96e1a6c9eaadeba26fe8a6a22

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 57b9b4e623d6cd28588e257c6fb89a7218379ed96e1a6c9eaadeba26fe8a6a22

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739199/
  
Delivery method
Distributed via web download

Comments