MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 207c44dc24b64ccb863ffd5a2678512115891ec6645b18e74f3804d872f9d381. 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: 10


Intelligence 10 IOCs YARA 7 File information Comments

SHA256 hash: 207c44dc24b64ccb863ffd5a2678512115891ec6645b18e74f3804d872f9d381
SHA3-384 hash: 5e059d2a6b425b388cd132030e0a16999732b905e961c2ef2c578b42aa39f452954a0106fdbf6f34e224f0b2bbb94d51
SHA1 hash: 1dffafff118f18b513b4520348ae095e013f6270
MD5 hash: 0a0445123c0d12528f8e761141a25b81
humanhash: speaker-december-mars-king
File name:x86_32.uhavenobotsxd
Download: download sample
Signature Mirai
File size:87'028 bytes
First seen:2025-11-23 22:19:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:T/qeJqJMbGIKrZErVohdmHMBVqT//PMsCuMbmmXsvHE6C:T96MbGnZErVmdmHMBVqTP1XgZXj
TLSH T1E9836BC5E747C4F5FD660178623BE3368A32E5391229DB4ACF64B8369C5A602F21736C
telfhash t1b431b2fa167f18e8a7c4a440924e6e213d2edb7b359077e246b39929225bd42407bc39
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 :
46
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Deleting a recently created file
Sends data to a server
Launching a process
Sets a written file as executable
Deletes a file
Changes the time when the file was created, accessed, or modified
Opens a port
Receives data from a server
Creating a file
Runs as daemon
Connection attempt
Changes access rights for a written file
Creating a process from a recently created file
Kills processes
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 files to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-23T20:24:00Z UTC
Last seen:
2025-11-25T02:27:00Z UTC
Hits:
~10
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 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: 1819668 Sample: x86_32.uhavenobotsxd.elf Startdate: 24/11/2025 Architecture: LINUX Score: 100 97 94.154.35.153, 59720, 6969 SELECTELRU Ukraine 2->97 99 109.202.202.202, 80 INIT7CH Switzerland 2->99 101 2 other IPs or domains 2->101 103 Malicious sample detected (through community Yara rule) 2->103 105 Multi AV Scanner detection for submitted file 2->105 11 x86_32.uhavenobotsxd.elf 2->11         started        signatures3 process4 signatures5 127 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->127 14 x86_32.uhavenobotsxd.elf 11->14         started        process6 file7 89 /var/spool/cron/root, ASCII 14->89 dropped 91 /var/spool/cron/crontabs/root, ASCII 14->91 dropped 93 /root/.bashrc, ASCII 14->93 dropped 95 11 other files (10 malicious) 14->95 dropped 131 Sample tries to set files in /etc globally writable 14->131 133 Sample tries to persist itself using /etc/profile 14->133 135 Drops files in suspicious directories 14->135 137 4 other signatures 14->137 18 x86_32.uhavenobotsxd.elf sh 14->18         started        20 x86_32.uhavenobotsxd.elf sh 14->20         started        22 x86_32.uhavenobotsxd.elf sh 14->22         started        24 21 other processes 14->24 signatures8 process9 signatures10 27 sh S99backup0 18->27         started        29 sh S99backup1 20->29         started        31 sh S99backup2 22->31         started        125 Sample tries to kill multiple processes (SIGKILL) 24->125 33 sh S99network 24->33         started        35 sh cp 24->35         started        39 sh crontab 24->39         started        41 20 other processes 24->41 process11 file12 43 S99backup0 27->43         started        45 S99backup1 29->45         started        47 S99backup2 31->47         started        49 S99network 33->49         started        79 /usr/bin/.update, ELF 35->79 dropped 107 Writes identical ELF files to multiple locations 35->107 109 Drops invisible ELF files 35->109 111 Drops files in suspicious directories 35->111 81 /var/spool/cron/crontabs/tmp.grz9NO, ASCII 39->81 dropped 113 Sample tries to persist itself using cron 39->113 115 Executes the "crontab" command typically for achieving persistence 39->115 83 /var/log/.update, ELF 41->83 dropped 85 /var/jbx/shared/.update, ELF 41->85 dropped 87 /boot/.update, ELF 41->87 dropped 117 Sample deletes itself 41->117 119 Terminates several processes with shell command 'killall' 41->119 51 .monitor 41->51         started        53 sh .update 41->53         started        56 sh .update 41->56         started        58 2 other processes 41->58 signatures13 process14 signatures15 60 S99backup0 .update 43->60         started        69 41 other processes 43->69 63 S99backup1 .update 45->63         started        71 35 other processes 45->71 65 S99backup2 .update 47->65         started        73 31 other processes 47->73 67 S99network .update 49->67         started        75 29 other processes 49->75 77 2 other processes 51->77 121 Sample reads /proc/mounts (often used for finding a writable filesystem) 53->121 123 Executes the "crontab" command typically for achieving persistence 58->123 process16 signatures17 129 Sample reads /proc/mounts (often used for finding a writable filesystem) 60->129
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-11-23 22:20:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
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
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
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 207c44dc24b64ccb863ffd5a2678512115891ec6645b18e74f3804d872f9d381

(this sample)

  
Delivery method
Distributed via web download

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