MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 640d998f393ab58183e50d5f4af714e601fd28f2678a87c8ea7d9f5c97988611. 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: 5


Intelligence 5 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 640d998f393ab58183e50d5f4af714e601fd28f2678a87c8ea7d9f5c97988611
SHA3-384 hash: 55bdfdde702858112c0c9920a105879feb5406e7d64aa691e04f2b568f51b6e4f548de8f7e7e16cffb388878b84128c8
SHA1 hash: 0f5b4c98aa5f98b10fe4d505684ce39963d3c529
MD5 hash: da707378b17efac4f2a35b396b7b5521
humanhash: fix-lithium-mars-social
File name:eclipse.m68k
Download: download sample
Signature Mirai
Create hunting rule
File size:150'508 bytes
First seen:2026-07-19 19:34:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:+F2j+RioWS/AyzI2n1MkJmKVIjbiwLz84WJyu6pPaE:fdS/BzpPJmTLw4Kyuex
TLSH T1AAE3E6C7FD01DEB7F40BE3B648A308057530FFA60D525A72726778AADA390D41467E8A
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
79
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Gafgyt-7782058-0
Create hunting rule

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

Unix.Trojan.Mirai-10012509-0
Create hunting rule

Unix.Trojan.Mirai-10017111-0
Create hunting rule

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

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash gcc lolbin masquerade
Link:
https://www.filescan.io/uploads/6a5d26d57c9b2c6e8a187fb8/reports/1af07fc2-c402-4ba6-90e3-4ea851f1e016/overview
Verdict:
Unknown
File Type:
elf.32.be
First seen:
2026-07-19T16:47:00Z UTC
Last seen:
2026-07-19T17:40:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/640d998f393ab58183e50d5f4af714e601fd28f2678a87c8ea7d9f5c97988611/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/eaa8ff99-d230-4f79-97fb-3ebc421e75e7
Behavior Graph:
Download SVG
%3 guuid=e8f302d6-1a00-0000-b13f-718c190a0000 pid=2585 /usr/bin/sudo guuid=7253f8d7-1a00-0000-b13f-718c1f0a0000 pid=2591 /tmp/sample.bin guuid=e8f302d6-1a00-0000-b13f-718c190a0000 pid=2585->guuid=7253f8d7-1a00-0000-b13f-718c1f0a0000 pid=2591 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b3526e5d-f87c-46f1-b909-67bfc2b0e033
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1944851
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Protects files from modification
Sample tries to persist itself using cron
Writes identical ELF files to multiple locations
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1944851 Sample: eclipse.m68k.elf Startdate: 19/07/2026 Architecture: LINUX Score: 84 63 109.202.202.202, 80 INIT7CH Switzerland 2->63 65 94.154.43.114, 51716, 51718, 51720 CDNEXTGB Turkey 2->65 67 3 other IPs or domains 2->67 69 Antivirus detection for dropped file 2->69 71 Antivirus / Scanner detection for submitted sample 2->71 73 Multi AV Scanner detection for submitted file 2->73 12 eclipse.m68k.elf 2->12         started        14 systemd snapd-env-generator 2->14         started        16 systemd snapd-env-generator 2->16         started        18 2 other processes 2->18 signatures3 process4 process5 20 eclipse.m68k.elf 12->20         started        process6 22 eclipse.m68k.elf 20->22         started        process7 24 eclipse.m68k.elf 22->24         started        process8 26 eclipse.m68k.elf sh 24->26         started        28 eclipse.m68k.elf sh 24->28         started        30 eclipse.m68k.elf sh 24->30         started        32 91 other processes 24->32 process9 34 sh crontab 26->34         started        38 sh 26->38         started        40 sh cp 28->40         started        42 sh cp 30->42         started        44 sh chattr 32->44         started        46 sh chmod 32->46         started        48 sh grep 32->48         started        50 87 other processes 32->50 file10 57 /var/spool/cron/crontabs/tmp.OrX3Xw, ASCII 34->57 dropped 75 Sample tries to persist itself using cron 34->75 77 Executes the "crontab" command typically for achieving persistence 34->77 52 sh crontab 38->52         started        55 sh grep 38->55         started        59 /var/tmp/.eclipse, ELF 40->59 dropped 79 Writes identical ELF files to multiple locations 40->79 81 Drops invisible ELF files 40->81 61 /usr/lib/.eclipse, ELF 42->61 dropped 83 Protects files from modification 44->83 signatures11 process12 signatures13 85 Executes the "crontab" command typically for achieving persistence 52->85
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/640d998f393ab58183e50d5f4af714e601fd28f2678a87c8ea7d9f5c97988611
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/640d998f393ab58183e50d5f4af714e601fd28f2678a87c8ea7d9f5c97988611/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-19 19:35:52 UTC
File Type:
ELF32 Big (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mqgztdzzhk2yda7fbvpuv5yu4ya72khsm6fipshkpwpvzf4yqyiq._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery linux
Link:
https://tria.ge/reports/260719-yaq5ssds4s/
Behaviour
System Network Configuration Discovery
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/640d998f393ab58183e50d5f4af714e601fd28f2678a87c8ea7d9f5c97988611

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:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 640d998f393ab58183e50d5f4af714e601fd28f2678a87c8ea7d9f5c97988611

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3888769/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3888773/

Comments