MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c738cdde456aef32551501d9a77e8dbd2f0e8021b463598345e4bc4b609d37ae. 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: c738cdde456aef32551501d9a77e8dbd2f0e8021b463598345e4bc4b609d37ae
SHA3-384 hash: 0b08eff753949f14547f593f9559b73027d403449a339985a6b3b2d163371d9a0b13312e4b8c20a6ab01eb39423b21c6
SHA1 hash: ec77c0f2e4858906fed3e63fb36d533ff2c42c54
MD5 hash: 18fc0509069a1df67a3141a3db43f1d1
humanhash: california-kilo-mississippi-delta
File name:nklmpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:97'464 bytes
First seen:2025-12-21 23:40:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:zdzAZptTN2acSK7vn5/ClDR1xhc8F3Oo/mbjPh82hjTAbVRF:zOBNhcH7RG1Mi2pTAd
TLSH T1C693F706BB644FF7D85FCD3745B95B05258D920A22B83B3A3A74D818F64B15F0AE38B4
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 :
62
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
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
DNS request
Creating a file
Connection attempt
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6948859ba7163552ba037af8/reports/32825fc1-ace6-491b-8662-93d1e5c08728/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-21T20:51:00Z UTC
Last seen:
2025-12-22T00:07:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen
Link:
https://opentip.kaspersky.com/c738cdde456aef32551501d9a77e8dbd2f0e8021b463598345e4bc4b609d37ae/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9ed2340f-372e-45ff-b3ba-1944963a99ea
Behavior Graph:
Download SVG
%3 guuid=f4b2302c-1800-0000-075f-9e1dbe0b0000 pid=3006 /usr/bin/sudo guuid=9ee2172e-1800-0000-075f-9e1dc40b0000 pid=3012 /tmp/sample.bin guuid=f4b2302c-1800-0000-075f-9e1dbe0b0000 pid=3006->guuid=9ee2172e-1800-0000-075f-9e1dc40b0000 pid=3012 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e903b23a-c77f-4676-9b3c-c46dc5c3b16c
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1837312
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: 1837312 Sample: nklmpsl.elf Startdate: 22/12/2025 Architecture: LINUX Score: 52 18 181.87.34.97, 23 TelecomArgentinaSAAR Argentina 2->18 20 181.87.45.0, 23 TelecomArgentinaSAAR Argentina 2->20 22 100 other IPs or domains 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Connects to many IPs within the same subnet mask (likely port scanning) 2->26 8 nklmpsl.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 nklmpsl.elf 8->14         started        process6 16 nklmpsl.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c738cdde456aef32551501d9a77e8dbd2f0e8021b463598345e4bc4b609d37ae
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c738cdde456aef32551501d9a77e8dbd2f0e8021b463598345e4bc4b609d37ae/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/c738cdde456aef32551501d9a77e8dbd2f0e8021b463598345e4bc4b609d37ae
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-21 23:41:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y44m3xsfnlxtevivahm2o7unxuxq5abbwrrvta2f4s6ewye5g6xa._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Link:
https://tria.ge/reports/251221-3pms5ssjby/
Behaviour
Changes its process name
Renames itself
Unexpected DNS network traffic destination
Contacts a large (23366) 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/09f3a992-bf05-4484-a2b3-71c64f0a0e8f
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/c738cdde456aef32551501d9a77e8dbd2f0e8021b463598345e4bc4b609d37ae

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 c738cdde456aef32551501d9a77e8dbd2f0e8021b463598345e4bc4b609d37ae

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739199/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739432/

Comments