MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b9edd3aa6197e4b1d8d8b8913cc7fcb54a02b6fa28ee7fb57f0e262e0ea2484. 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: 12


Intelligence 12 IOCs YARA 11 File information Comments

SHA256 hash: 2b9edd3aa6197e4b1d8d8b8913cc7fcb54a02b6fa28ee7fb57f0e262e0ea2484
SHA3-384 hash: de0b2936f492ac15bd8558d09fb057a0b5435eb4ffeab8cf435f12ed86e01bf336c4e87786812d9d16aa64eb84620ee1
SHA1 hash: 78def698519d1f15fd2fed80c1580efc2cf9e50d
MD5 hash: 4f425840c4b99b40395ed67bd74b3aed
humanhash: table-wolfram-magnesium-mississippi
File name:x86_64.uhavenobotsxd
Download: download sample
Signature Mirai
File size:169'776 bytes
First seen:2026-01-01 13:33:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:bmO5l1aJO3RXHP8juOg9tlOXDMDGg1gbRmmppfcRo:bmO5l18OB/8juft0TafgbXpv
TLSH T18FF36C16F74080FFC88AD37D46EFA236D8B2781D1239765E6794EF157C89E20362D681
telfhash t18e4179382c92341c61ebc157f31ef56dfe3208018aea7464df6bb856dd867c85c52812
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 gafgyt mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
87
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 fingerprint mirai
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-01-01T10:39:00Z UTC
Last seen:
2026-01-02T23:37:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.ij HEUR:Backdoor.Linux.Gafgyt.gu
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
Drops files in suspicious directories
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
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 deletes itself
Sample pipes script to sh (AV evasion)
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
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
Terminates several processes with shell command 'killall'
Writes identical ELF files to multiple locations
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1843129 Sample: x86_64.uhavenobotsxd.elf Startdate: 01/01/2026 Architecture: LINUX Score: 100 104 94.154.35.153, 59726, 6969 SELECTELRU Ukraine 2->104 106 109.202.202.202, 80 INIT7CH Switzerland 2->106 108 4 other IPs or domains 2->108 124 Malicious sample detected (through community Yara rule) 2->124 126 Multi AV Scanner detection for submitted file 2->126 128 Sample pipes script to sh (AV evasion) 2->128 11 x86_64.uhavenobotsxd.elf 2->11         started        14 udisksd dumpe2fs 2->14         started        16 udisksd dumpe2fs 2->16         started        18 5 other processes 2->18 signatures3 process4 signatures5 140 Sample tries to kill multiple processes (SIGKILL) 11->140 142 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->142 20 x86_64.uhavenobotsxd.elf 11->20         started        process6 file7 96 /var/tmp/.monitor, POSIX 20->96 dropped 98 /var/spool/cron/root, ASCII 20->98 dropped 100 /var/spool/cron/crontabs/root, ASCII 20->100 dropped 102 11 other malicious files 20->102 dropped 132 Sample tries to set files in /etc globally writable 20->132 134 Sample tries to persist itself using /etc/profile 20->134 136 Drops files in suspicious directories 20->136 138 3 other signatures 20->138 24 x86_64.uhavenobotsxd.elf sh 20->24         started        26 x86_64.uhavenobotsxd.elf sh 20->26         started        28 x86_64.uhavenobotsxd.elf sh 20->28         started        30 21 other processes 20->30 signatures8 process9 signatures10 33 sh cp 24->33         started        37 sh crontab 26->37         started        39 sh 26->39         started        41 sh cp 28->41         started        144 Sample tries to kill multiple processes (SIGKILL) 30->144 43 sh .monitor 30->43         started        45 sh S99backup0 30->45         started        47 sh S99backup1 30->47         started        49 19 other processes 30->49 process11 file12 86 /usr/bin/.update, ELF 33->86 dropped 110 Writes identical ELF files to multiple locations 33->110 112 Drops invisible ELF files 33->112 114 Drops files in suspicious directories 33->114 88 /var/spool/cron/crontabs/tmp.NO7amk, ASCII 37->88 dropped 116 Sample tries to persist itself using cron 37->116 118 Executes the "crontab" command typically for achieving persistence 37->118 51 sh crontab 39->51         started        90 /var/log/.update, ELF 41->90 dropped 54 .monitor 43->54         started        56 S99backup0 45->56         started        58 S99backup1 47->58         started        92 /var/.update, ELF 49->92 dropped 94 /mnt/.update, ELF 49->94 dropped 120 Sample deletes itself 49->120 122 Terminates several processes with shell command 'killall' 49->122 60 S99backup2 49->60         started        62 S99network 49->62         started        64 sh .update 49->64         started        66 3 other processes 49->66 signatures13 process14 signatures15 130 Executes the "crontab" command typically for achieving persistence 51->130 76 36 other processes 54->76 68 S99backup0 .update 56->68         started        78 29 other processes 56->78 70 S99backup1 .update 58->70         started        80 26 other processes 58->80 72 S99backup2 .update 60->72         started        82 23 other processes 60->82 74 S99network .update 62->74         started        84 23 other processes 62->84 process16
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2026-01-01 13:34:15 UTC
File Type:
ELF64 Little (Exe)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution linux persistence privilege_escalation
Behaviour
Reads runtime system information
Writes file to shm directory
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Deletes log files
Enumerates running processes
Looks up external IP address via web service
Modifies init.d
Modifies rc script
Write file to user bin folder
Executes dropped EXE
Mirai
Mirai family
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7640640-0
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_33b4111a
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:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 2b9edd3aa6197e4b1d8d8b8913cc7fcb54a02b6fa28ee7fb57f0e262e0ea2484

(this sample)

  
Delivery method
Distributed via web download

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