MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b61a4cf19e7bcfb475fb039e34efd042212ed9e1fb25cc72cb0bc7c2142e068a. 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: 9


Intelligence 9 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b61a4cf19e7bcfb475fb039e34efd042212ed9e1fb25cc72cb0bc7c2142e068a
SHA3-384 hash: de2a3fc2bf0592fbb2758ad562e0fa031ddb9d5722452b742799c51fe4da1635c632209cd1d090856e30a05eba99a532
SHA1 hash: 9bfdb7b98cfd12406c2db003d133fb26b247b72c
MD5 hash: 4a4d53ba71653bd4f0c7bb5b6b677db2
humanhash: mobile-harry-grey-kitten
File name:x86_32
Download: download sample
Signature Mirai
Create hunting rule
File size:165'899 bytes
First seen:2026-08-11 09:44:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:FOvAKSNGJrh6p1RKCf+8EpdEYXBh9eo58H+lS3pn2Ni:FSfj5bfh9eo58H+lS3pn2Ni
TLSH T1E1F33A81B947C6F7D5470EB551E3673E8632E8290A2F8A85EB2DFDF4DB176C87109208
telfhash t168412140c83886a96de74ffecdac47a24957e63a02416f26ef29c9cc582e004f551c9f
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 :
42
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30460.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-1.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-9939811-0
Create hunting rule

Unix.Trojan.Mirai-10025441-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sends data to a server
Runs as daemon
Kills processes
Opens a port
Collects information on the CPU
Launching a process
Collects information on the OS
Connection attempt
Kills critical processes
Substitutes an application name
Writes files to system subdirectory
Traces processes
Writes files to system directory
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm anti-vm bash gafgyt gcc lolbin mirai
Link:
https://www.filescan.io/uploads/6a7aef24f9db45e1415311e2/reports/9c51b666-cd55-47f8-b31c-5527a1a2bbd5/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-06-06T13:47:00Z UTC
Last seen:
2026-07-22T14:28:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b61a4cf19e7bcfb475fb039e34efd042212ed9e1fb25cc72cb0bc7c2142e068a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0c1cd579-8a77-41e8-a7e0-3aed03042926
Behavior Graph:
Download SVG
%3 guuid=569efca5-1b00-0000-1769-b165c2090000 pid=2498 /usr/bin/sudo guuid=04a6e8a9-1b00-0000-1769-b165cd090000 pid=2509 /tmp/sample.bin net guuid=569efca5-1b00-0000-1769-b165c2090000 pid=2498->guuid=04a6e8a9-1b00-0000-1769-b165cd090000 pid=2509 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=04a6e8a9-1b00-0000-1769-b165cd090000 pid=2509->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=b5779daa-1b00-0000-1769-b165d1090000 pid=2513 /tmp/sample.bin guuid=04a6e8a9-1b00-0000-1769-b165cd090000 pid=2509->guuid=b5779daa-1b00-0000-1769-b165d1090000 pid=2513 clone guuid=336cdaaa-1b00-0000-1769-b165d3090000 pid=2515 /tmp/sample.bin dns net send-data guuid=b5779daa-1b00-0000-1769-b165d1090000 pid=2513->guuid=336cdaaa-1b00-0000-1769-b165d3090000 pid=2515 clone 96893b6e-5585-51d1-ae7e-b3d13d2731ad 217.91.179.72:53 guuid=336cdaaa-1b00-0000-1769-b165d3090000 pid=2515->96893b6e-5585-51d1-ae7e-b3d13d2731ad send: 32B 770a0148-5bff-573f-96d1-675a35a7e965 voltagec2.tech:35342 guuid=336cdaaa-1b00-0000-1769-b165d3090000 pid=2515->770a0148-5bff-573f-96d1-675a35a7e965 send: 38B guuid=2e6de3aa-1b00-0000-1769-b165d4090000 pid=2516 /tmp/sample.bin send-data write-file guuid=336cdaaa-1b00-0000-1769-b165d3090000 pid=2515->guuid=2e6de3aa-1b00-0000-1769-b165d4090000 pid=2516 clone guuid=5eeb18b0-1b00-0000-1769-b165e4090000 pid=2532 /tmp/sample.bin net guuid=336cdaaa-1b00-0000-1769-b165d3090000 pid=2515->guuid=5eeb18b0-1b00-0000-1769-b165e4090000 pid=2532 clone 5a1eed8a-85fe-5cc9-b13b-21dc70289ae4 0.0.0.0:0 guuid=2e6de3aa-1b00-0000-1769-b165d4090000 pid=2516->5a1eed8a-85fe-5cc9-b13b-21dc70289ae4 send: 584B 18292567-24c1-5786-a609-043bbf84884e 212.118.43.167:2222 guuid=5eeb18b0-1b00-0000-1769-b165e4090000 pid=2532->18292567-24c1-5786-a609-043bbf84884e con guuid=141323b0-1b00-0000-1769-b165e6090000 pid=2534 /usr/bin/dash guuid=5eeb18b0-1b00-0000-1769-b165e4090000 pid=2532->guuid=141323b0-1b00-0000-1769-b165e6090000 pid=2534 execve guuid=aa68f1b2-1b00-0000-1769-b165ee090000 pid=2542 /usr/bin/dash guuid=5eeb18b0-1b00-0000-1769-b165e4090000 pid=2532->guuid=aa68f1b2-1b00-0000-1769-b165ee090000 pid=2542 execve guuid=cde16eb4-1b00-0000-1769-b165f1090000 pid=2545 /usr/bin/dash guuid=5eeb18b0-1b00-0000-1769-b165e4090000 pid=2532->guuid=cde16eb4-1b00-0000-1769-b165f1090000 pid=2545 execve guuid=e23193b9-1b00-0000-1769-b165f5090000 pid=2549 /usr/bin/dash guuid=5eeb18b0-1b00-0000-1769-b165e4090000 pid=2532->guuid=e23193b9-1b00-0000-1769-b165f5090000 pid=2549 execve guuid=b07d84ba-1b00-0000-1769-b165f8090000 pid=2552 /usr/bin/dash guuid=5eeb18b0-1b00-0000-1769-b165e4090000 pid=2532->guuid=b07d84ba-1b00-0000-1769-b165f8090000 pid=2552 execve guuid=8d9f57b0-1b00-0000-1769-b165e7090000 pid=2535 /usr/sbin/xtables-nft-multi zombie guuid=141323b0-1b00-0000-1769-b165e6090000 pid=2534->guuid=8d9f57b0-1b00-0000-1769-b165e7090000 pid=2535 execve guuid=3e2bc8b3-1b00-0000-1769-b165ef090000 pid=2543 /usr/bin/busybox guuid=aa68f1b2-1b00-0000-1769-b165ee090000 pid=2542->guuid=3e2bc8b3-1b00-0000-1769-b165ef090000 pid=2543 execve guuid=654015b9-1b00-0000-1769-b165f3090000 pid=2547 /usr/bin/dash guuid=cde16eb4-1b00-0000-1769-b165f1090000 pid=2545->guuid=654015b9-1b00-0000-1769-b165f3090000 pid=2547 clone guuid=2a9864ba-1b00-0000-1769-b165f7090000 pid=2551 /usr/bin/dash guuid=e23193b9-1b00-0000-1769-b165f5090000 pid=2549->guuid=2a9864ba-1b00-0000-1769-b165f7090000 pid=2551 clone guuid=8096c7bb-1b00-0000-1769-b165fa090000 pid=2554 /usr/bin/busybox guuid=b07d84ba-1b00-0000-1769-b165f8090000 pid=2552->guuid=8096c7bb-1b00-0000-1769-b165fa090000 pid=2554 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/371e60b8-7198-442b-b129-ae5e440e403d
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1955831
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Drops files in suspicious directories
Executes the "iptables" command to insert, remove and/or manipulate rules
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1955831 Sample: x86_32.elf Startdate: 11/08/2026 Architecture: LINUX Score: 100 55 212.118.43.167, 2222, 37790 VDSINAAE Netherlands 2->55 57 voltagec2.tech 64.118.132.61, 35342, 43452 EDCL-AS-APEonsDataCommunicationsLimitedHK Hong Kong SAR China 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus / Scanner detection for submitted sample 2->61 63 Multi AV Scanner detection for submitted file 2->63 65 2 other signatures 2->65 11 x86_32.elf 2->11         started        13 gnome-session-binary sh gnome-shell 2->13         started        16 gnome-session-binary sh 2->16         started        18 4 other processes 2->18 signatures3 process4 signatures5 20 x86_32.elf 11->20         started        75 Sample reads /proc/mounts (often used for finding a writable filesystem) 13->75 process6 process7 22 x86_32.elf 20->22         started        process8 24 x86_32.elf 22->24         started        28 x86_32.elf 22->28         started        file9 49 /usr/sbin/irqbalance, data 24->49 dropped 51 /usr/bin/xfce4-screensaver, data 24->51 dropped 53 /usr/bin/dash, data 24->53 dropped 69 Sample tries to kill a massive number of system processes 24->69 71 Sample tries to kill multiple processes (SIGKILL) 24->71 73 Drops files in suspicious directories 24->73 30 x86_32.elf sh 28->30         started        32 x86_32.elf sh 28->32         started        34 x86_32.elf sh 28->34         started        36 2 other processes 28->36 signatures10 process11 process12 38 sh iptables 30->38         started        41 sh busybox 32->41         started        43 sh busybox 34->43         started        45 sh 36->45         started        47 sh 36->47         started        signatures13 67 Executes the "iptables" command to insert, remove and/or manipulate rules 38->67
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b61a4cf19e7bcfb475fb039e34efd042212ed9e1fb25cc72cb0bc7c2142e068a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b61a4cf19e7bcfb475fb039e34efd042212ed9e1fb25cc72cb0bc7c2142e068a/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-06-06 18:53:08 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wynez4m6pph3i5p3aopdj36qiiqs5wpb7ms4y4wlbpd4efboa2fa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm discovery linux persistence
Link:
https://tria.ge/reports/260811-lqytcszhkc/
Behaviour
Reads runtime system information
Changes its process name
Checks CPU configuration
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Write file to user bin folder
Writes file to system bin folder
Traces itself
Unexpected DNS network traffic destination
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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
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:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:Linux_Trojan_Mirai_0cb1699c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf b61a4cf19e7bcfb475fb039e34efd042212ed9e1fb25cc72cb0bc7c2142e068a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3901462/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3901653/
  
URLhaus
https://urlhaus.abuse.ch/url/3901694/
  
URLhaus
https://urlhaus.abuse.ch/url/3901734/

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