MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e2939a86e75880e76cce1685af2403b398e41a2b4a271888e77103928d3aaf22. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e2939a86e75880e76cce1685af2403b398e41a2b4a271888e77103928d3aaf22
SHA3-384 hash: a47098132dff3b68f8bc470e742112f00d4f5882884b9df6b81b53402cc8853ef645995e8d67f2a8608631b30abfb49a
SHA1 hash: c5ed99822b6f8499bde62332d8fd0e886a222e75
MD5 hash: d7183d9750591b8bcab3ad430ca95568
humanhash: quebec-artist-pizza-eleven
File name:mips.urbotnetisass
Download: download sample
Signature Mirai
Create hunting rule
File size:319'464 bytes
First seen:2025-09-10 20:49:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:VxrLHSgCwK2iIEMllsprcepAFe5ELhf+MGvksMpGIaZrOiJJQ3:VxrLXCKEB9ah5pGIZiJJQ3
TLSH T11164E71E6A619F3DF7B4833447B38B30D79D67D216E0CA45E16CE2010E6065E692FFA8
telfhash t1a641b0180d7907a852696c49488dff2696e330df7e162c279a21d85eeb2df839c28c0d
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
57
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

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

Unix.Trojan.Mirai-8041698-0
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
Unmounts file systems
Opens a port
Sends data to a server
Creating a file
Deletes a file
Receives data from a server
Deleting a recently created file
Connection attempt
Kills processes
Mounts file systems
Runs as daemon
Collects information on the network activity
Substitutes an application name
Writes files to system directory
Deletes a system binary file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm anti-vm lolbin remote threat
Link:
https://www.filescan.io/uploads/68c1e4af0d1238ff0aa9a2d3/reports/30ebbe8c-b8bf-4bb8-8dab-da116125662c/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-09-10T17:58:00Z UTC
Last seen:
2025-09-10T17:58:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen
Link:
https://opentip.kaspersky.com/e2939a86e75880e76cce1685af2403b398e41a2b4a271888e77103928d3aaf22/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e11eb132-22b8-4aa8-8202-7bf7658d052d
Behavior Graph:
Download SVG
%3 guuid=11c632e6-1900-0000-ab2e-8806300c0000 pid=3120 /usr/bin/sudo guuid=2d5f11e8-1900-0000-ab2e-8806370c0000 pid=3127 /tmp/sample.bin guuid=11c632e6-1900-0000-ab2e-8806300c0000 pid=3120->guuid=2d5f11e8-1900-0000-ab2e-8806370c0000 pid=3127 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/689aae91-4729-4952-a05e-f05a5a7f849f
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1775155
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Writes identical ELF files to multiple locations
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1775155 Sample: mips.urbotnetisass.elf Startdate: 10/09/2025 Architecture: LINUX Score: 92 47 94.154.35.153, 43212 SELECTELRU Ukraine 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected Gafgyt 2->53 55 Yara detected Mirai 2->55 10 mips.urbotnetisass.elf 2->10         started        12 udisksd dumpe2fs 2->12         started        14 udisksd dumpe2fs 2->14         started        16 12 other processes 2->16 signatures3 process4 process5 18 mips.urbotnetisass.elf 10->18         started        file6 39 /_dev_shm_.5440_librt.so.1, ELF 18->39 dropped 41 /_dev_shm_.5440_libpthread.so.0, ELF 18->41 dropped 43 /_dev_shm_.5440_libm.so.6, ELF 18->43 dropped 45 6 other malicious files 18->45 dropped 57 Writes identical ELF files to multiple locations 18->57 22 mips.urbotnetisass.elf 18->22         started        24 mips.urbotnetisass.elf 18->24         started        signatures7 process8 process9 26 mips.urbotnetisass.elf 22->26         started        29 mips.urbotnetisass.elf 24->29         started        signatures10 59 Sample reads /proc/mounts (often used for finding a writable filesystem) 26->59 61 Deletes system log files 26->61 31 mips.urbotnetisass.elf 26->31         started        33 mips.urbotnetisass.elf 26->33         started        35 mips.urbotnetisass.elf 26->35         started        37 7 other processes 26->37 process11
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/e2939a86e75880e76cce1685af2403b398e41a2b4a271888e77103928d3aaf22
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e2939a86e75880e76cce1685af2403b398e41a2b4a271888e77103928d3aaf22/
Verdict:
Malicious
Threat:
Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/e2939a86e75880e76cce1685af2403b398e41a2b4a271888e77103928d3aaf22
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-10 20:51:38 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4kjzvbxhlcaoo3goc2c26jadwomoigrljitrrchhoebzfdj2v4ra._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery
Link:
https://tria.ge/reports/250910-zmzs5sbl3z/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Reads process memory
Deletes log files
Enumerates running processes
Writes file to system bin folder
Deletes system logs
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/afaf66ae-7a69-47ae-b560-8df1405b4d91
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/e2939a86e75880e76cce1685af2403b398e41a2b4a271888e77103928d3aaf22

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: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 e2939a86e75880e76cce1685af2403b398e41a2b4a271888e77103928d3aaf22

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3618257/
  
Delivery method
Distributed via web download

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