MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e9b396781f1f326b9b66ff4139e89de6b55ea9aae5b4d271396a49d97bd56599. 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: 9


Intelligence 9 IOCs YARA 7 File information Comments

SHA256 hash: e9b396781f1f326b9b66ff4139e89de6b55ea9aae5b4d271396a49d97bd56599
SHA3-384 hash: a81eef196e27e21016b623d52498cf4e3598563fe7fada88a227b21a80ff05a4785728f5643ac8ae42e00eb90f499cfc
SHA1 hash: bb3e7be41cb2cf8b621c9ed44c6f761fdc5de235
MD5 hash: 8b9d513e30b786f43486fd21bca7cb16
humanhash: victor-utah-bravo-monkey
File name:m68k.urbotnetisass
Download: download sample
Signature Mirai
File size:277'412 bytes
First seen:2025-09-19 09:52:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:96y+QObGhnvxHcMSKuXhvAkIqiCt6BhxwWZzdkRAz:yIv5DC+kACchHZzORAz
TLSH T1BA447CD3F4018D6FFC8ED73B81570B07B530976140824E26B26AF956AE3B1B1593AF4A
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
98
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm lolbin packed remote threat
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-09-19T08:26:00Z UTC
Last seen:
2025-09-19T08:26:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=808fa218-1900-0000-a32b-6e3d6e130000 pid=4974 /usr/bin/sudo guuid=ce12b81a-1900-0000-a32b-6e3d77130000 pid=4983 /tmp/sample.bin guuid=808fa218-1900-0000-a32b-6e3d6e130000 pid=4974->guuid=ce12b81a-1900-0000-a32b-6e3d77130000 pid=4983 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
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 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: 1780643 Sample: m68k.urbotnetisass.elf Startdate: 19/09/2025 Architecture: LINUX Score: 100 49 109.202.202.202, 80 INIT7CH Switzerland 2->49 51 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->51 53 91.189.91.43, 443 CANONICAL-ASGB United Kingdom 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 Yara detected Gafgyt 2->57 59 Yara detected Mirai 2->59 9 m68k.urbotnetisass.elf 2->9         started        13 udisksd dumpe2fs 2->13         started        15 udisksd dumpe2fs 2->15         started        17 4 other processes 2->17 signatures3 process4 file5 41 /root/.bashrc, ASCII 9->41 dropped 43 /etc/profile, ASCII 9->43 dropped 45 /etc/crontab, ASCII 9->45 dropped 69 Sample tries to persist itself using /etc/profile 9->69 71 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 9->71 73 Sample tries to persist itself using cron 9->73 75 Sample tries to persist itself using System V runlevels 9->75 19 m68k.urbotnetisass.elf 9->19         started        signatures6 process7 file8 33 /usr/bin/uraskid, ELF 19->33 dropped 35 /etc/rc.local, ASCII 19->35 dropped 37 /_dev_shm_.6221_librt.so.1, ELF 19->37 dropped 39 8 other malicious files 19->39 dropped 61 Sample tries to set files in /etc globally writable 19->61 63 Writes identical ELF files to multiple locations 19->63 65 Drops files in suspicious directories 19->65 67 Sample tries to persist itself using System V runlevels 19->67 23 m68k.urbotnetisass.elf sh 19->23         started        25 m68k.urbotnetisass.elf sh 19->25         started        signatures9 process10 process11 27 sh cp 23->27         started        30 sh cp 25->30         started        file12 77 Writes identical ELF files to multiple locations 27->77 79 Drops invisible ELF files 27->79 81 Drops files in suspicious directories 27->81 47 /usr/bin/.sh, ELF 30->47 dropped signatures13
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-09-19 09:56:00 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
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: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 e9b396781f1f326b9b66ff4139e89de6b55ea9aae5b4d271396a49d97bd56599

(this sample)

  
Delivery method
Distributed via web download

Comments