MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9d6786871dc94431af660bba8fd943feeca68e3f5bcabe6cb6b52c68b91eaec2. 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 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9d6786871dc94431af660bba8fd943feeca68e3f5bcabe6cb6b52c68b91eaec2
SHA3-384 hash: 313589c52612e748c4c104690b26a8f8d00583258df5d0b22f4a2dab6f6847f4f74348d21a872e70dd6538d3c554d835
SHA1 hash: fe5557efc1a63cc93286b5a12f46dd7496634b4c
MD5 hash: 3553deb6d496d93ce9c9d2138091924a
humanhash: harry-moon-red-mirror
File name:x86_32.urbotnetisass
Download: download sample
Signature Mirai
Create hunting rule
File size:216'300 bytes
First seen:2025-09-20 10:14:23 UTC
Last seen:2025-09-21 09:05:31 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:iuGVH7ZuvuEM74DXI+X9wyXt9lFDU/ZiOLnmkrcgy389rG+Z/vRA:iuGR7ZuvuEM74DXI+X9wyXt9lFDUUOLM
TLSH T173246D47E643D5F1F82206B0119BEF365D32E9364039DA46CBE5EA31EC25642E31E7AC
telfhash t136819ab32e6915efb3f09906d31a7720de2ad07b285029b105f161d270f6c13633ad7a
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

Intelligence

File Origin
# of uploads :
2
# of downloads :
50
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30645.LC.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-9853183-0
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
Sets a written file as executable
Kills processes
Mounts file systems
Runs as daemon
Deletes a file
Receives data from a server
Opens a port
Creating a file in the %temp% directory
Creating a file
Sends data to a server
Connection attempt
Collects information on the network activity
Unmounts file systems
Creates directories in a temporary directory
Deleting a recently created file
Deletes a system binary file
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-vm
Link:
https://www.filescan.io/uploads/68ce7e86254431b688d68e5e/reports/feb54698-326f-4466-bb8b-f5e655910272/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
27
Number of processes launched:
2
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/9d6786871dc94431af660bba8fd943feeca68e3f5bcabe6cb6b52c68b91eaec2
Behaviour
Anti-VM
Persistence
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-20T08:20:00Z UTC
Last seen:
2025-09-20T08:20:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/9d6786871dc94431af660bba8fd943feeca68e3f5bcabe6cb6b52c68b91eaec2/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/e7962882-a512-462a-8c62-2666de903155
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1781106
Signature
Deletes system log files
Malicious sample detected (through community Yara rule)
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
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: 1781106 Sample: x86_32.urbotnetisass.elf Startdate: 20/09/2025 Architecture: LINUX Score: 100 68 94.154.35.153, 43212 SELECTELRU Ukraine 2->68 70 109.202.202.202, 80 INIT7CH Switzerland 2->70 72 2 other IPs or domains 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 Multi AV Scanner detection for submitted file 2->76 78 Yara detected Gafgyt 2->78 80 Yara detected Mirai 2->80 10 x86_32.urbotnetisass.elf 2->10         started        14 udisksd dumpe2fs 2->14         started        16 udisksd dumpe2fs 2->16         started        18 99 other processes 2->18 signatures3 process4 file5 54 /root/.bashrc, ASCII 10->54 dropped 56 /etc/rc.local, POSIX 10->56 dropped 58 /etc/profile, ASCII 10->58 dropped 60 /etc/crontab, ASCII 10->60 dropped 84 Sample tries to persist itself using /etc/profile 10->84 86 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 10->86 88 Sample tries to persist itself using cron 10->88 90 Sample tries to persist itself using System V runlevels 10->90 20 x86_32.urbotnetisass.elf 10->20         started        signatures6 process7 file8 46 /memfd:/usr/lib/librt.so.1 (deleted), ELF 20->46 dropped 48 /memfd:/usr/lib/libpthread.so.0 (deleted), ELF 20->48 dropped 50 /memfd:/usr/lib/libm.so.6 (deleted), ELF 20->50 dropped 52 41 other malicious files 20->52 dropped 82 Writes identical ELF files to multiple locations 20->82 24 x86_32.urbotnetisass.elf 20->24         started        26 x86_32.urbotnetisass.elf 20->26         started        28 x86_32.urbotnetisass.elf 20->28         started        signatures9 process10 process11 30 x86_32.urbotnetisass.elf 24->30         started        34 x86_32.urbotnetisass.elf 26->34         started        36 x86_32.urbotnetisass.elf 28->36         started        file12 62 /tmp/.taunt, POSIX 30->62 dropped 64 /tmp/.mock, POSIX 30->64 dropped 66 /tmp/.broken_shell, POSIX 30->66 dropped 92 Sample reads /proc/mounts (often used for finding a writable filesystem) 30->92 94 Deletes system log files 30->94 38 x86_32.urbotnetisass.elf 30->38         started        40 x86_32.urbotnetisass.elf 30->40         started        42 x86_32.urbotnetisass.elf 30->42         started        44 9 other processes 30->44 signatures13 process14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/9d6786871dc94431af660bba8fd943feeca68e3f5bcabe6cb6b52c68b91eaec2
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9d6786871dc94431af660bba8fd943feeca68e3f5bcabe6cb6b52c68b91eaec2/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-20 10:15:33 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tvtynby5zfcddl3gbo5i7wkd73wkndr7lpfl43fwwuwgroi6v3ba._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/250920-mam8cstrv5/
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
Modifies rc script
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0 trojan gafgyt mirai
YARA:
Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b
Link:
https://app.threat.zone/submission/9e3ef917-ea5b-4916-9df3-c6e25e934b73
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/9d6786871dc94431af660bba8fd943feeca68e3f5bcabe6cb6b52c68b91eaec2

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:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Create hunting rule
Author:Elastic Security
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 9d6786871dc94431af660bba8fd943feeca68e3f5bcabe6cb6b52c68b91eaec2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3618255/
  
Delivery method
Distributed via web download

Comments