MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e28415d503406d908331e6094bc62baff8bd542a7037b39d5b172576baae93c7. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e28415d503406d908331e6094bc62baff8bd542a7037b39d5b172576baae93c7
SHA3-384 hash: b7e749a19b46a60483975b4860e586340fc466e6e5ef326f41ae338c880e3db2d97f03a825f62aba7fffa0c482831b43
SHA1 hash: 13250dff0879552d9e32716fa056f26892f8d6fa
MD5 hash: a7cb57a9c87ddcb363841718d80e501c
humanhash: blue-glucose-gee-hotel
File name:mips.urbotnetisass
Download: download sample
Signature Mirai
Create hunting rule
File size:337'056 bytes
First seen:2025-09-22 09:35:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:ZSuNJ8vxMjpojzyNU6RsW4BtYDvulFvFuEfNkD6qaVKstgaUXrVJQO:ZSuNJ8vuyzy5EnFvFdUXrVJQO
TLSH T1D764B50E6A719F3DF7A4873487B78F70D75872E216E0CA84E1ACE5011E2064EA55FF68
telfhash t19241af280d7817a4923a6c5d086def66d6e335df3e161c338e11e45eeb2de834d25d09
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

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
Opens a port
Creating a file in the %temp% subdirectories
Deletes a file
Changes the time when the file was created, accessed, or modified
Deleting a recently created file
Collects information on the network activity
Creating a file in the %temp% directory
Sends data to a server
Receives data from a server
Creates directories in a temporary directory
Connection attempt
Kills processes
Creating a file
Sets a written file as executable
Mounts file systems
Runs as daemon
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Deletes a system binary file
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Deleting of the original file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm anti-vm bash lolbin remote threat
Link:
https://www.filescan.io/uploads/68d1190d254431b688d8cf43/reports/d9a6e6a0-8ec1-4b9f-a509-f0f5268ef125/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
109
Number of processes launched:
12
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/e28415d503406d908331e6094bc62baff8bd542a7037b39d5b172576baae93c7
Behaviour
Anti-VM
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-09-22T08:01:00Z UTC
Last seen:
2025-09-22T08:01:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/e28415d503406d908331e6094bc62baff8bd542a7037b39d5b172576baae93c7/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/60b75985-0d18-48e4-a10b-dfb6aed7a48a
Behavior Graph:
Download SVG
%3 guuid=3065ca9b-1b00-0000-faaf-79ca4a0a0000 pid=2634 /usr/bin/sudo guuid=5a74879e-1b00-0000-faaf-79ca530a0000 pid=2643 /tmp/sample.bin guuid=3065ca9b-1b00-0000-faaf-79ca4a0a0000 pid=2634->guuid=5a74879e-1b00-0000-faaf-79ca530a0000 pid=2643 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/912354b2-b1a5-4b0b-a679-998d842db337
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1781860
Signature
Antivirus / Scanner detection for submitted sample
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
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: 1781860 Sample: mips.urbotnetisass.elf Startdate: 22/09/2025 Architecture: LINUX Score: 92 66 94.154.35.153, 43212 SELECTELRU Ukraine 2->66 68 109.202.202.202, 80 INIT7CH Switzerland 2->68 70 3 other IPs or domains 2->70 72 Antivirus / Scanner detection for submitted sample 2->72 74 Yara detected Gafgyt 2->74 76 Yara detected Mirai 2->76 11 mips.urbotnetisass.elf 2->11         started        15 udisksd dumpe2fs 2->15         started        17 udisksd dumpe2fs 2->17         started        19 482 other processes 2->19 signatures3 process4 file5 58 /root/.bashrc, ASCII 11->58 dropped 60 /etc/rc.local, POSIX 11->60 dropped 62 /etc/profile, ASCII 11->62 dropped 64 /etc/crontab, ASCII 11->64 dropped 80 Sample tries to persist itself using /etc/profile 11->80 82 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 11->82 84 Sample tries to persist itself using cron 11->84 86 Sample tries to persist itself using System V runlevels 11->86 21 mips.urbotnetisass.elf 11->21         started        signatures6 process7 file8 50 /_dev_shm_.6264_librt.so.1, ELF 21->50 dropped 52 /_dev_shm_.6264_libpthread.so.0, ELF 21->52 dropped 54 /_dev_shm_.6264_libm.so.6, ELF 21->54 dropped 56 6 other malicious files 21->56 dropped 78 Writes identical ELF files to multiple locations 21->78 25 mips.urbotnetisass.elf 21->25         started        27 mips.urbotnetisass.elf 21->27         started        29 mips.urbotnetisass.elf 21->29         started        31 mips.urbotnetisass.elf 21->31         started        signatures9 process10 process11 33 mips.urbotnetisass.elf 25->33         started        36 mips.urbotnetisass.elf 27->36         started        38 mips.urbotnetisass.elf 29->38         started        40 mips.urbotnetisass.elf 31->40         started        file12 46 /tmp/.taunt, POSIX 33->46 dropped 48 /tmp/.mock, POSIX 33->48 dropped 42 mips.urbotnetisass.elf 33->42         started        process13 process14 44 mips.urbotnetisass.elf 42->44         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/e28415d503406d908331e6094bc62baff8bd542a7037b39d5b172576baae93c7
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e28415d503406d908331e6094bc62baff8bd542a7037b39d5b172576baae93c7/
Threat name:
Linux.Exploit.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-22 09:41:25 UTC
File Type:
ELF32 Big (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4kcblvidibwzbazr4yeuxrrlv74l2vbkoa33hhk3c4sxnovospdq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/250922-llyb2azwc1/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Reads system network configuration
Modifies Bash startup script
Reads process memory
Creates/modifies Cron job
Creates/modifies environment variables
Deletes log files
Enumerates active TCP sockets
Enumerates running processes
Modifies rc script
Writes file to system bin folder
Deletes itself
Deletes system logs
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/1021de4e-dc40-4156-a308-867748b0a301
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/e28415d503406d908331e6094bc62baff8bd542a7037b39d5b172576baae93c7

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: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 e28415d503406d908331e6094bc62baff8bd542a7037b39d5b172576baae93c7

(this sample)

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

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