MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4975e222c45078be0b3ef5dc82599d4b0c5d4c17d345ae92b847c372f2e383a1. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4975e222c45078be0b3ef5dc82599d4b0c5d4c17d345ae92b847c372f2e383a1
SHA3-384 hash: 120822c9efd535e78a1c134a2c197802ec2ff9fe17080eb58e57d60d9a06b35fe650325facb9ad04d0f941b97ba4f500
SHA1 hash: 716ca1d45bba0b3421e02ed9dc9aee96306bed8e
MD5 hash: 9d628f99329c6f48b4fa3dbe45e5e14c
humanhash: pennsylvania-bakerloo-nuts-louisiana
File name:nabarm7
Download: download sample
Signature Mirai
Create hunting rule
File size:82'216 bytes
First seen:2026-01-26 18:32:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:4NnaT3IMPt6kiGsEKFeg2zf+sBHyHIX8zuChjIEmUxlllkiT7qVwnWZNzYaX/i:jIMF6rGTuexBBX8zuChjI0h7qVwWjBX
TLSH T1F583184ABD81AB15D5D525BAFF0E518933134BACE3FA72029D245B2527CB92B0F3B901
telfhash t124211056de480fec17f0c848054e6156766871a1fb273e66ae6fbb974733a80202005b
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
27
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-9885259-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/6977b3744156786ccbd86b3c/reports/282d7bfd-bb79-4776-b68b-910f53650918/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/8e7695fe-7e82-4f43-ae27-3e68c7b01339
Behavior Graph:
Download SVG
%3 guuid=6806f863-1b00-0000-9974-8ec8770c0000 pid=3191 /usr/bin/sudo guuid=697da766-1b00-0000-9974-8ec87e0c0000 pid=3198 /tmp/sample.bin guuid=6806f863-1b00-0000-9974-8ec8770c0000 pid=3191->guuid=697da766-1b00-0000-9974-8ec87e0c0000 pid=3198 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/25087973-e074-46a7-82f3-2d94a572ac4b
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1857856
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Drops invisible ELF files
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1857856 Sample: nabarm7.elf Startdate: 26/01/2026 Architecture: LINUX Score: 68 58 161.81.130.5, 23 PEOPLESPHONE-HKChinaMobileHongKongCompanyLimitedHK Hong Kong 2->58 60 161.81.182.106, 23 PEOPLESPHONE-HKChinaMobileHongKongCompanyLimitedHK Hong Kong 2->60 62 100 other IPs or domains 2->62 66 Multi AV Scanner detection for submitted file 2->66 68 Connects to many IPs within the same subnet mask (likely port scanning) 2->68 8 nabarm7.elf .systemd-journald 2->8         started        12 systemd gpu-manager 2->12         started        14 systemd gpu-manager 2->14         started        16 55 other processes 2->16 signatures3 process4 file5 56 /dev/shm/.systemd-journald, ELF 8->56 dropped 70 Drops invisible ELF files 8->70 72 Sample deletes itself 8->72 18 .systemd-journald 8->18         started        21 gpu-manager sh 12->21         started        23 gpu-manager sh 12->23         started        25 gpu-manager sh 12->25         started        31 5 other processes 12->31 33 7 other processes 14->33 74 Sample reads /proc/mounts (often used for finding a writable filesystem) 16->74 27 gpu-manager sh 16->27         started        29 gpu-manager sh 16->29         started        35 35 other processes 16->35 signatures6 process7 signatures8 64 Sample tries to kill multiple processes (SIGKILL) 18->64 47 2 other processes 18->47 37 sh grep 21->37         started        39 sh grep 23->39         started        41 sh grep 25->41         started        43 sh grep 27->43         started        45 sh grep 29->45         started        50 5 other processes 31->50 52 7 other processes 33->52 54 24 other processes 35->54 process9 signatures10 76 Sample tries to kill multiple processes (SIGKILL) 47->76
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4975e222c45078be0b3ef5dc82599d4b0c5d4c17d345ae92b847c372f2e383a1
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4975e222c45078be0b3ef5dc82599d4b0c5d4c17d345ae92b847c372f2e383a1/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-26 18:33:37 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=jf26eiwekb4l4cz66xoiewm5jmgf2tax2nc25evyi7bxf4xdqoqq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Link:
https://tria.ge/reports/260126-w7fdfsey4c/
Behaviour
Writes file to shm directory
Reads runtime system information
Creates a large amount of network flows
Enumerates running processes
Deletes itself
Executes dropped EXE
Contacts a large (14345) amount of remote hosts
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_Threat_8299c877
Create hunting rule
Author:Elastic Security
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 4975e222c45078be0b3ef5dc82599d4b0c5d4c17d345ae92b847c372f2e383a1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739153/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739138/

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