MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9db4472896aa7f67644efc5cac5ad0022c0baa5e18e4adfb9ae9fb6d92ad8749. 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: 8


Intelligence 8 IOCs YARA 8 File information Comments

SHA256 hash: 9db4472896aa7f67644efc5cac5ad0022c0baa5e18e4adfb9ae9fb6d92ad8749
SHA3-384 hash: b8d921608e2e158bb76229cf493b6a280b39291976e32984796210817b28aa143e5cc632efaff2ada25d394fbc52673b
SHA1 hash: e51e6d1b6facd8cdd427f3a627a6ee06264cb86f
MD5 hash: 0d45ac9746664cd7aaa2483f33b2f98a
humanhash: illinois-pennsylvania-lima-berlin
File name:arm.urbotnetisass
Download: download sample
Signature Mirai
File size:291'244 bytes
First seen:2025-09-19 09:17:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:ASWBiXfMQ8IYxvGne2qZ9knTp1L5qlYM2jyB8ZSq9c2HV9RA:ASCiXfd8I8WTpx5CfUV9RA
TLSH T164543C55FC519A52C6D526BBBBBDC388375B13B8C3EA31078E155F24278A81B0F77A80
telfhash t1cff07da0447cb0f4d7c7a6d671eab5120aad398b0e6434f2196f888e8523d6525e282f
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 :
1
# of downloads :
60
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-19T08:26:00Z UTC
Last seen:
2025-09-19T08:26:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=e91fbedb-1b00-0000-f687-b453cc090000 pid=2508 /usr/bin/sudo guuid=281e39de-1b00-0000-f687-b453d2090000 pid=2514 /tmp/sample.bin guuid=e91fbedb-1b00-0000-f687-b453cc090000 pid=2508->guuid=281e39de-1b00-0000-f687-b453d2090000 pid=2514 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
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
Executes the "crontab" command typically for achieving persistence
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 Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1780619 Sample: arm.urbotnetisass.elf Startdate: 19/09/2025 Architecture: LINUX Score: 100 95 94.154.35.153, 43212 SELECTELRU Ukraine 2->95 99 Antivirus detection for dropped file 2->99 101 Antivirus / Scanner detection for submitted sample 2->101 103 Multi AV Scanner detection for submitted file 2->103 105 2 other signatures 2->105 12 arm.urbotnetisass.elf 2->12         started        16 udisksd dumpe2fs 2->16         started        18 udisksd dumpe2fs 2->18         started        20 30 other processes 2->20 signatures3 process4 file5 91 /etc/profile, ASCII 12->91 dropped 93 /etc/crontab, ASCII 12->93 dropped 131 Sample tries to persist itself using /etc/profile 12->131 133 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 12->133 135 Sample tries to persist itself using cron 12->135 137 Sample tries to persist itself using System V runlevels 12->137 22 arm.urbotnetisass.elf 12->22         started        signatures6 process7 file8 79 /usr/bin/uraskid, ELF 22->79 dropped 81 /root/.bashrc, ASCII 22->81 dropped 83 /root/.bash_profile, ASCII 22->83 dropped 85 47 other malicious files 22->85 dropped 123 Sample tries to set files in /etc globally writable 22->123 125 Writes identical ELF files to multiple locations 22->125 127 Drops files in suspicious directories 22->127 129 2 other signatures 22->129 26 arm.urbotnetisass.elf sh 22->26         started        28 arm.urbotnetisass.elf sh 22->28         started        30 arm.urbotnetisass.elf sh 22->30         started        32 8 other processes 22->32 signatures9 process10 file11 36 sh cp 26->36         started        39 sh crontab 28->39         started        42 sh 28->42         started        44 sh cp 30->44         started        77 /etc/sedNn7tMl, POSIX 32->77 dropped 97 Sample tries to persist itself using System V runlevels 32->97 46 arm.urbotnetisass.elf 32->46         started        48 sh cp 32->48         started        50 sh systemctl 32->50         started        52 3 other processes 32->52 signatures12 process13 file14 107 Writes identical ELF files to multiple locations 36->107 109 Drops invisible ELF files 36->109 111 Drops files in suspicious directories 36->111 87 /var/spool/cron/crontabs/tmp.M4dMHd, ASCII 39->87 dropped 113 Sample tries to persist itself using cron 39->113 115 Executes the "crontab" command typically for achieving persistence 39->115 54 sh crontab 42->54         started        57 sh grep 42->57         started        89 /usr/bin/.sh, ELF 44->89 dropped 117 Sample reads /proc/mounts (often used for finding a writable filesystem) 46->117 119 Deletes system log files 46->119 59 arm.urbotnetisass.elf 46->59         started        61 arm.urbotnetisass.elf 46->61         started        63 arm.urbotnetisass.elf 46->63         started        67 8 other processes 46->67 65 systemctl systemd-sysv-install 50->65         started        signatures15 process16 signatures17 121 Executes the "crontab" command typically for achieving persistence 54->121 69 systemd-sysv-install update-rc.d 65->69         started        71 systemd-sysv-install getopt 65->71         started        73 systemd-sysv-install update-rc.d 65->73         started        process18 process19 75 update-rc.d systemctl 69->75         started       
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-09-19 09:18:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:CP_AllMal_Detector
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
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
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 9db4472896aa7f67644efc5cac5ad0022c0baa5e18e4adfb9ae9fb6d92ad8749

(this sample)

  
Delivery method
Distributed via web download

Comments