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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a28d0ca41a403088b39846c2b2085ff7ddf523f25d543c2e2f9b6a767c713e5d. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a28d0ca41a403088b39846c2b2085ff7ddf523f25d543c2e2f9b6a767c713e5d
SHA3-384 hash: 4652cd5a088aae92e5591da96c539a8a89f05c4c5f9b24cf8b0a1bbaecce26da320a7755b45723518cfc045b3edc90d1
SHA1 hash: 503125b38f50d87130e8ffc70311900425f8a122
MD5 hash: da24f3c9aee9bd8bc15263b4dff20b74
humanhash: ink-rugby-twelve-single
File name:armv4l
Download: download sample
Signature Mirai
Create hunting rule
File size:78'200 bytes
First seen:2026-10-17 08:41:33 UTC
Last seen:2026-10-17 12:08:32 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:Pdib58EanMMUC+lx/A75E1XIPEnG4jjMqzipruZI/dsH1H00f+9MzL:PM3x/A7qiPEG4/nziNuZEdsdd5H
TLSH T16D7302320241F6BF4C9498BA27E824D1BF0F45E02BFD32905D69236C6ADA58D603A5CF
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 UPX
File size (compressed) :78'200 bytes
File size (de-compressed) :202'104 bytes
Format:linux/arm
Unpacked file: 55407aeb42d9ec7ea163e7ede2d8c12345eb7a8bf9b6e2d9ccca6c610a580b9f

Intelligence

File Origin
# of uploads :
2
# of downloads :
86
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/138004ad-697c-4583-9fb7-256933e9f937/
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6ad334e91afbfc7a0852c1dd/reports/2d259878-b749-4d76-b971-e5ccc5f28c96/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-10-17T00:45:00Z UTC
Last seen:
2026-10-18T17:52:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a28d0ca41a403088b39846c2b2085ff7ddf523f25d543c2e2f9b6a767c713e5d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/64b00933-3478-4b7a-899e-7cedc8bc7a14
Behavior Graph:
Download SVG
%3 guuid=e71aec35-3c00-0000-ffe0-70b23e030000 pid=830 /usr/bin/sudo guuid=d3029939-3c00-0000-ffe0-70b23f030000 pid=831 /tmp/sample.bin guuid=e71aec35-3c00-0000-ffe0-70b23e030000 pid=830->guuid=d3029939-3c00-0000-ffe0-70b23f030000 pid=831 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/85f36590-48f3-4e7d-b7d0-e7c78951702b
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1988338
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops invisible ELF files
Found malware configuration
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1988338 Sample: armv4l.elf Startdate: 17/10/2026 Architecture: LINUX Score: 100 61 83.168.69.95, 56998, 57000, 57002 SKYPASS-ASPL Poland 2->61 63 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->63 65 daisy.ubuntu.com 2->65 67 Found malware configuration 2->67 69 Antivirus detection for dropped file 2->69 71 Antivirus / Scanner detection for submitted sample 2->71 73 4 other signatures 2->73 11 armv4l.elf 2->11         started        14 systemd snapd-env-generator 2->14         started        16 systemd snapd-env-generator 2->16         started        18 3 other processes 2->18 signatures3 process4 signatures5 85 Found strings related to Crypto-Mining 11->85 20 armv4l.elf 11->20         started        process6 process7 22 armv4l.elf 20->22         started        signatures8 75 Sample deletes itself 22->75 25 armv4l.elf 22->25         started        29 armv4l.elf 22->29         started        31 armv4l.elf 22->31         started        33 armv4l.elf 22->33         started        process9 file10 53 /etc/rc.local, ASCII 25->53 dropped 55 /etc/cron.d/sys-network-helper, ASCII 25->55 dropped 77 Sample tries to set files in /etc globally writable 25->77 79 Sample tries to persist itself using cron 25->79 81 Sample tries to persist itself using System V runlevels 25->81 35 armv4l.elf sh 25->35         started        37 armv4l.elf iptables 25->37         started        39 armv4l.elf iptables-restore 25->39         started        41 armv4l.elf iptables-restore 25->41         started        57 /usr/lib/systemd/.system-helper, ELF 29->57 dropped 59 /etc/cron.d/killer-helper, ASCII 29->59 dropped 83 Drops invisible ELF files 29->83 43 armv4l.elf sh 29->43         started        signatures11 process12 process13 45 sh systemctl 35->45         started        47 sh systemctl 35->47         started        49 sh systemctl 43->49         started        51 sh systemctl 43->51         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a28d0ca41a403088b39846c2b2085ff7ddf523f25d543c2e2f9b6a767c713e5d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a28d0ca41a403088b39846c2b2085ff7ddf523f25d543c2e2f9b6a767c713e5d/
Threat name:
Linux.Trojan.Svirtu
Create hunting rule
Status:
Malicious
First seen:
2026-10-17 03:18:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ukgqzja2iayirm4yi3blecc767o7ki7slvkdylrptnvhm7drhzoq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/261017-kl5wfawv4q/
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/a28d0ca41a403088b39846c2b2085ff7ddf523f25d543c2e2f9b6a767c713e5d

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_DVR_Botnet_Hama_UPX
Create hunting rule
Author:Serhii Kocherhan
Description:Detects packed and unpacked ELF IoT/DVR botnet variants targeting UPX compression structures and uncompressed code
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
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:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

elf a28d0ca41a403088b39846c2b2085ff7ddf523f25d543c2e2f9b6a767c713e5d

(this sample)

Mirai

elf 55407aeb42d9ec7ea163e7ede2d8c12345eb7a8bf9b6e2d9ccca6c610a580b9f

  
URLhaus
https://urlhaus.abuse.ch/url/3925736/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 55407aeb42d9ec7ea163e7ede2d8c12345eb7a8bf9b6e2d9ccca6c610a580b9f
  
Dropping
MD5 72bc6fd60e264c36c1a718bd339e5eb5

Comments