MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 073e56e39efe1c9c403d8a1a38465e708ea5b4d759ee0988e75b2ccefa2f396f. 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 7 File information Comments

SHA256 hash: 073e56e39efe1c9c403d8a1a38465e708ea5b4d759ee0988e75b2ccefa2f396f
SHA3-384 hash: 6d3cda2cee9395238fa73ff1c397f79164fe494864082351ce8504d0907d82e868554fab6c9403e382bd5dc244b8054d
SHA1 hash: 4d409f6e05f6cd1e65c266b27b421651d4d91dc7
MD5 hash: 26af64ac20d8d155481028f40362e9d1
humanhash: juliet-rugby-low-texas
File name:x86_32.uhavenobotsxd
Download: download sample
Signature Mirai
File size:82'932 bytes
First seen:2025-11-22 10:11:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:i1HJLpKmNfDAuYypO1NYxH7jk60W67Uf1Hh/TpmEig:4LzNfDAlyA1NaM6b6shhn
TLSH T18E836CC1E743E8F5FD6602796137B73A4672F53A0225CF06CB64B9369C22A01A31776D
telfhash t18031c3f61abe48f5fbd4a840834f6f213d9de67b25a072e145b38430226bec19479c79
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 :
61
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Kills processes
Receives data from a server
Changes access rights for a written file
Opens a port
Launching a process
Sends data to a server
Sets a written file as executable
Creating a file
Changes the time when the file was created, accessed, or modified
Connection attempt
Writes files to system directory
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-vm mirai
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-22T07:20:00Z UTC
Last seen:
2025-11-24T00:32:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.ij HEUR:Backdoor.Linux.Gafgyt.gu
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
92 / 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 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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819035 Sample: x86_32.uhavenobotsxd.elf Startdate: 22/11/2025 Architecture: LINUX Score: 92 64 94.154.35.153, 59728, 6969 SELECTELRU Ukraine 2->64 66 109.202.202.202, 80 INIT7CH Switzerland 2->66 68 3 other IPs or domains 2->68 78 Malicious sample detected (through community Yara rule) 2->78 80 Multi AV Scanner detection for submitted file 2->80 10 x86_32.uhavenobotsxd.elf 2->10         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 process4 signatures5 82 Sample reads /proc/mounts (often used for finding a writable filesystem) 10->82 17 x86_32.uhavenobotsxd.elf 10->17         started        process6 file7 52 /var/spool/cron/root, ASCII 17->52 dropped 54 /var/spool/cron/crontabs/root, ASCII 17->54 dropped 56 /root/.bashrc, ASCII 17->56 dropped 58 6 other malicious files 17->58 dropped 70 Sample tries to set files in /etc globally writable 17->70 72 Sample tries to persist itself using /etc/profile 17->72 74 Drops files in suspicious directories 17->74 76 3 other signatures 17->76 21 x86_32.uhavenobotsxd.elf sh 17->21         started        23 x86_32.uhavenobotsxd.elf sh 17->23         started        25 x86_32.uhavenobotsxd.elf 17->25         started        27 x86_32.uhavenobotsxd.elf 17->27         started        signatures8 process9 process10 29 sh crontab 21->29         started        33 sh 21->33         started        35 sh cp 23->35         started        37 x86_32.uhavenobotsxd.elf sh 25->37         started        39 x86_32.uhavenobotsxd.elf sh 25->39         started        41 x86_32.uhavenobotsxd.elf sh 25->41         started        43 x86_32.uhavenobotsxd.elf sh 25->43         started        file11 60 /var/spool/cron/crontabs/tmp.dDmu5g, ASCII 29->60 dropped 88 Sample tries to persist itself using cron 29->88 90 Executes the "crontab" command typically for achieving persistence 29->90 45 sh crontab 33->45         started        62 /usr/bin/.sh, ELF 35->62 dropped 92 Drops invisible ELF files 35->92 94 Drops files in suspicious directories 35->94 48 sh .sh 37->48         started        50 sh 39->50         started        signatures12 process13 signatures14 84 Executes the "crontab" command typically for achieving persistence 45->84 86 Sample reads /proc/mounts (often used for finding a writable filesystem) 48->86
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-11-22 10:12:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation
Behaviour
Reads runtime system information
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Modifies init.d
Modifies rc script
Write file to user bin folder
Executes dropped EXE
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-10001386-0
YARA:
Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_cc93863b
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:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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 073e56e39efe1c9c403d8a1a38465e708ea5b4d759ee0988e75b2ccefa2f396f

(this sample)

  
Delivery method
Distributed via web download

Comments