MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 142ac936b9784e7b4ab66894312833684f55de981ef08e367130e20dc2257b43. 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: 10


Intelligence 10 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 142ac936b9784e7b4ab66894312833684f55de981ef08e367130e20dc2257b43
SHA3-384 hash: ec0fd4d28da2ffef5c427256b29aa1763f330af617b64226b11a801c14d55abafc03f91756f433e58aa0227a7233a9e6
SHA1 hash: cf630f3d0c42b237593099ca8327139b56d1fbe9
MD5 hash: 6b7e76ea1ee3a7495085a785fe2e07e7
humanhash: double-fanta-artist-kilo
File name:arm7.urbotnetisass
Download: download sample
Signature Mirai
Create hunting rule
File size:268'431 bytes
First seen:2025-09-19 13:47:39 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:QvraZFELE2atP90FoZORe4f3sQJjxDXRtCHTClmJcZfiZ27:mravELE2atP9RMRz1JRSzClmiZfiw
TLSH T1AD44AE4696509F13E5C232B8B7A68114332F6FBCF7B970019520BFA4378F9E60769B91
telfhash t1dee0c222c00c40c881e44a1a80ffb3525b9cf47b5a461cd126ed8d9a2733529f00150d
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
36
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

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

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

Unix.Trojan.Mirai-9951087-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm gcc rust
Link:
https://www.filescan.io/uploads/68cd5f1073af424b47e791e4/reports/70387269-6c5c-4764-9890-55a0aac712e7/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-19T12:06:00Z UTC
Last seen:
2025-09-19T12:06:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/142ac936b9784e7b4ab66894312833684f55de981ef08e367130e20dc2257b43/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/677cd4ac-31c3-419b-90e4-3b02f2953c5f
Behavior Graph:
Download SVG
%3 guuid=5c662ca1-1900-0000-b14c-f45e670c0000 pid=3175 /usr/bin/sudo guuid=952a89a4-1900-0000-b14c-f45e680c0000 pid=3176 /tmp/sample.bin guuid=5c662ca1-1900-0000-b14c-f45e670c0000 pid=3175->guuid=952a89a4-1900-0000-b14c-f45e680c0000 pid=3176 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ebbe75f5-71fe-4269-91b9-f932c1760623
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1780775
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Deletes system log files
Drops files in suspicious directories
Drops invisible ELF files
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to persist itself using /etc/profile
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
Writes identical ELF files to multiple locations
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1780775 Sample: arm7.urbotnetisass.elf Startdate: 19/09/2025 Architecture: LINUX Score: 100 62 94.154.35.153, 43212 SELECTELRU Ukraine 2->62 72 Antivirus detection for dropped file 2->72 74 Antivirus / Scanner detection for submitted sample 2->74 76 Multi AV Scanner detection for submitted file 2->76 78 Yara detected Mirai 2->78 10 arm7.urbotnetisass.elf 2->10         started        14 udisksd dumpe2fs 2->14         started        16 udisksd dumpe2fs 2->16         started        18 8 other processes 2->18 signatures3 process4 file5 56 /root/.bashrc, ASCII 10->56 dropped 58 /etc/profile, ASCII 10->58 dropped 60 /etc/crontab, ASCII 10->60 dropped 86 Sample tries to persist itself using /etc/profile 10->86 88 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 10->88 90 Sample tries to persist itself using cron 10->90 92 Sample tries to persist itself using System V runlevels 10->92 20 arm7.urbotnetisass.elf 10->20         started        signatures6 process7 file8 48 /memfd:/usr/lib/librt.so.1 (deleted), ELF 20->48 dropped 50 /memfd:/usr/lib/libpthread.so.0 (deleted), ELF 20->50 dropped 52 /memfd:/usr/lib/libm.so.6 (deleted), ELF 20->52 dropped 54 42 other malicious files 20->54 dropped 80 Sample tries to set files in /etc globally writable 20->80 82 Writes identical ELF files to multiple locations 20->82 84 Sample tries to persist itself using System V runlevels 20->84 24 arm7.urbotnetisass.elf sh 20->24         started        26 arm7.urbotnetisass.elf 20->26         started        28 arm7.urbotnetisass.elf 20->28         started        30 arm7.urbotnetisass.elf 20->30         started        signatures9 process10 process11 32 sh cp 24->32         started        36 arm7.urbotnetisass.elf 26->36         started        38 arm7.urbotnetisass.elf 28->38         started        40 arm7.urbotnetisass.elf 30->40         started        file12 46 /usr/bin/.sh, ELF 32->46 dropped 64 Drops invisible ELF files 32->64 66 Drops files in suspicious directories 32->66 68 Sample reads /proc/mounts (often used for finding a writable filesystem) 36->68 70 Deletes system log files 36->70 42 arm7.urbotnetisass.elf 36->42         started        44 arm7.urbotnetisass.elf 36->44         started        signatures13 process14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/142ac936b9784e7b4ab66894312833684f55de981ef08e367130e20dc2257b43
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/142ac936b9784e7b4ab66894312833684f55de981ef08e367130e20dc2257b43/
Threat name:
Linux.Exploit.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-19 13:48:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cqvmsnvzpbhhwsvwnckdckbtnbhvlxuyd3yi4ntrgdra3qrfpnbq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/250919-q3xt2sbj9w/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads system network configuration
Modifies Bash startup script
Reads process memory
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates active TCP sockets
Enumerates running processes
Modifies rc script
Writes file to system bin folder
Modifies Watchdog functionality
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/791c8412-4df6-4627-b520-a094c84f4104
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/142ac936b9784e7b4ab66894312833684f55de981ef08e367130e20dc2257b43

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:enterpriseunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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 142ac936b9784e7b4ab66894312833684f55de981ef08e367130e20dc2257b43

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3618219/
  
Delivery method
Distributed via web download

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