MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1640dd5bd0f35cdb187e841b911153b724b9c45e9ebfdb311388ad8379ba02b1. 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: 6


Intelligence 6 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1640dd5bd0f35cdb187e841b911153b724b9c45e9ebfdb311388ad8379ba02b1
SHA3-384 hash: e56f4fd047a0e941c9f7f731c7806f0baf9170e4cef7732459c7674d4f98d5609d56afda209e03ef01670cee7dfd5507
SHA1 hash: 8255a57a3c6d68acd3e761e4d7361b6f0a06ba45
MD5 hash: 28a7645f73ee33f12101b9ac35ac25ef
humanhash: lactose-nitrogen-social-sierra
File name:nabm68k
Download: download sample
Signature Mirai
Create hunting rule
File size:60'528 bytes
First seen:2026-01-26 17:59:07 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:uzk6oJFOcA+eA6QENnzBePyRneSZ2SM8jWNp3m:uY6op+pR0PyY02SC3m
TLSH T1744318A3F505EDBDF80AE7B784570A0BB270F27109421B76A353B95BED750D40826E8B
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
64
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-6981989-0
Create hunting rule

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

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

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

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/6977ab81a57b6af70d0d6372/reports/836b69c4-7c5b-4981-8c8e-7adde7c28199/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c04458a9-81a2-48c1-ab4c-1fa22f35f8e4
Behavior Graph:
Download SVG
%3 guuid=56010fd6-1700-0000-c7dc-ff6b800b0000 pid=2944 /usr/bin/sudo guuid=b28c4bd8-1700-0000-c7dc-ff6b830b0000 pid=2947 /tmp/sample.bin guuid=56010fd6-1700-0000-c7dc-ff6b800b0000 pid=2944->guuid=b28c4bd8-1700-0000-c7dc-ff6b830b0000 pid=2947 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/842241f9-d797-448d-8d03-86338e1dddd3
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1857787
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)
Sends malformed DNS queries
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1857787 Sample: nabm68k.elf Startdate: 26/01/2026 Architecture: LINUX Score: 72 58 slursontel.ru. [malformed] 2->58 60 slursbeback.ru. [malformed] 2->60 62 104 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 dash rm nabm68k.elf .systemd-journald 2->8         started        12 systemd gpu-manager 2->12         started        14 systemd gpu-manager 2->14         started        16 93 other processes 2->16 signatures3 70 Sends malformed DNS queries 60->70 process4 file5 56 /dev/shm/.systemd-journald, ELF 8->56 dropped 72 Drops invisible ELF files 8->72 74 Sample deletes itself 8->74 18 .systemd-journald 8->18         started        21 gpu-manager sh 12->21         started        23 gpu-manager sh 12->23         started        31 5 other processes 12->31 33 7 other processes 14->33 76 Sample reads /proc/mounts (often used for finding a writable filesystem) 16->76 25 gpu-manager sh 16->25         started        27 gpu-manager sh 16->27         started        29 gpu-manager sh 16->29         started        35 114 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 88 other processes 35->54 process9 signatures10 78 Sample tries to kill multiple processes (SIGKILL) 47->78
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/1640dd5bd0f35cdb187e841b911153b724b9c45e9ebfdb311388ad8379ba02b1
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1640dd5bd0f35cdb187e841b911153b724b9c45e9ebfdb311388ad8379ba02b1/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=czan2w6q6nonwgd6qqnzcektw4sltrc6t275wmitrcwyg6n2akyq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260126-wkz5cacz9f/
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: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 1640dd5bd0f35cdb187e841b911153b724b9c45e9ebfdb311388ad8379ba02b1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3740296/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739198/

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