MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84b15c2df1ad681b6ed9b7fc209ef58ffd8e49cdbe7d2901ae9543e16c201250. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 84b15c2df1ad681b6ed9b7fc209ef58ffd8e49cdbe7d2901ae9543e16c201250
SHA3-384 hash: 3ace61794534715a27165f469833f00dcc488305c62bf773a0a495aea5dc552875b1be5a8556db4c72102cb1bdcc3602
SHA1 hash: 0b507918908493b76dad79a72c480cd29328517b
MD5 hash: de99c02ff0bed4609b7ba537906de51f
humanhash: johnny-east-burger-nebraska
File name:ecco.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:110'352 bytes
First seen:2025-12-05 17:28:56 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:3MkjSCfkJfPykViAGGM2PdwAwQ79tAwZoTLbtDQcGBC85:86SCfkdPykEA9PdwA579tzoTLb2r5
TLSH T161B312C9601B4630C4417D7DA2F857D1CC206BF86E78A1474DA48B84FEEBA61AC9E395
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 UPX
File size (compressed) :110'352 bytes
File size (de-compressed) :332'849 bytes
Format:linux/arm
Unpacked file: a72b050b9a46ee3fa7e63715f73b8f7e32c6064bd731c0d816d2918279c30fe1

Intelligence

File Origin
# of uploads :
1
# of downloads :
32
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/44d88b91-489b-4a1a-ae68-2e4de8c684b5/
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
android gafgyt masquerade mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/6933166dff25e40750d505ed/reports/42880cd6-6921-41f4-b80e-0121d19952cd/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-05T11:50:00Z UTC
Last seen:
2025-12-05T12:11:00Z UTC
Hits:
~10
Detections:
HEUR:Exploit.Linux.DLink.a HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Exploit.Linux.CVE-2014-8361.a HEUR:Backdoor.Linux.Mirai.ii HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.cn HEUR:Exploit.Linux.Vacron.a HEUR:Exploit.Linux.DLink.b HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.hv HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Exploit.Linux.Netgear.b HEUR:Exploit.Linux.Netgear.a HEUR:Exploit.Linux.CVE-2018-10561.a HEUR:Exploit.Linux.Mvpower.a HEUR:Exploit.Linux.Lotoor.bh
Link:
https://opentip.kaspersky.com/84b15c2df1ad681b6ed9b7fc209ef58ffd8e49cdbe7d2901ae9543e16c201250/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9814bf79-11f5-4614-9fc6-fd1fd9cbd3a6
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1827463
Signature
Connects to many ports of the same IP (likely port scanning)
Deletes system log files
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
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
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1827463 Sample: ecco.arm7.elf Startdate: 05/12/2025 Architecture: LINUX Score: 100 85 81.16.197.244 ZT-HU Hungary 2->85 87 188.0.0.1 YARTV-ASRU Russian Federation 2->87 89 98 other IPs or domains 2->89 99 Suricata IDS alerts for network traffic 2->99 101 Malicious sample detected (through community Yara rule) 2->101 103 Multi AV Scanner detection for submitted file 2->103 105 5 other signatures 2->105 12 dash rm ecco.arm7.elf 2->12         started        14 dash rm 2->14         started        16 dash cut 2->16         started        18 7 other processes 2->18 signatures3 process4 process5 20 ecco.arm7.elf 12->20         started        process6 22 ecco.arm7.elf 20->22         started        file7 81 /etc/init.d/sysd, POSIX 22->81 dropped 109 Sample tries to set files in /etc globally writable 22->109 111 Drops files in suspicious directories 22->111 113 Sample tries to persist itself using System V runlevels 22->113 26 ecco.arm7.elf 22->26         started        28 ecco.arm7.elf 22->28         started        31 ecco.arm7.elf sh 22->31         started        signatures8 process9 file10 33 ecco.arm7.elf 26->33         started        35 ecco.arm7.elf sh 26->35         started        37 ecco.arm7.elf 26->37         started        45 4 other processes 26->45 83 /usr/Bin), ELF 28->83 dropped 39 ecco.arm7.elf sh 28->39         started        41 ecco.arm7.elf 28->41         started        43 sh cp 31->43         started        process11 signatures12 62 946 other processes 33->62 48 sh crontab 35->48         started        52 sh 35->52         started        54 ecco.arm7.elf 37->54         started        64 3 other processes 37->64 56 sh crontab 39->56         started        58 sh 39->58         started        66 22 other processes 41->66 115 Manipulation of devices in /dev 45->115 60 ecco.arm7.elf 45->60         started        process13 file14 75 /var/spool/cron/crontabs/tmp.mkg56D, ASCII 48->75 dropped 68 sh crontab 52->68         started        91 Deletes system log files 54->91 77 /var/spool/cron/cr...mp.gV4hCs (deleted), ASCII 56->77 dropped 79 /dev/null (deleted), ASCII 56->79 dropped 93 Manipulation of devices in /dev 56->93 95 Sample tries to persist itself using cron 56->95 97 Executes the "crontab" command typically for achieving persistence 56->97 71 sh crontab 58->71         started        73 ecco.arm7.elf 64->73         started        signatures15 process16 signatures17 107 Executes the "crontab" command typically for achieving persistence 68->107
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/84b15c2df1ad681b6ed9b7fc209ef58ffd8e49cdbe7d2901ae9543e16c201250
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/84b15c2df1ad681b6ed9b7fc209ef58ffd8e49cdbe7d2901ae9543e16c201250/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/84b15c2df1ad681b6ed9b7fc209ef58ffd8e49cdbe7d2901ae9543e16c201250
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-05 17:29:18 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 37 (56.76%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qsyvylprvvubw3wzw76cbhxvr76y4sonxz6ssanosvb6c3bacjia._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/251205-v2nxzadp8w/
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Changes its process name
UPX packed file
Creates/modifies Cron job
Enumerates running processes
Modifies init.d
Modifies rc script
Writes file to system bin folder
Deletes Audit logs
Deletes journal logs
Modifies Watchdog functionality
Contacts a large (274647) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Malware Config
C2 Extraction:
draft22.redirectme.net
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2de7c8ff-af5b-416e-919b-635aa435e605
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/84b15c2df1ad681b6ed9b7fc209ef58ffd8e49cdbe7d2901ae9543e16c201250

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: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: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 84b15c2df1ad681b6ed9b7fc209ef58ffd8e49cdbe7d2901ae9543e16c201250

(this sample)

Mirai

elf a72b050b9a46ee3fa7e63715f73b8f7e32c6064bd731c0d816d2918279c30fe1

  
URLhaus
https://urlhaus.abuse.ch/url/3725555/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 a72b050b9a46ee3fa7e63715f73b8f7e32c6064bd731c0d816d2918279c30fe1
  
Dropping
MD5 749ded59e1c1e98298274938b7b8cb6f
  
URLhaus
https://urlhaus.abuse.ch/url/3727060/

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