MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5dabd73c9e5e9b8a06bae5335bd9ef740846d4ec661b0c21c9ec94adf955795. 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: d5dabd73c9e5e9b8a06bae5335bd9ef740846d4ec661b0c21c9ec94adf955795
SHA3-384 hash: 7188f0b5df05bdcd1bb49e5ce2d0e1095abf9212c70d5602931ffc6f4d59a4a00dac1166b399916a2f3f4fb1cf14f378
SHA1 hash: d76ce5d8a379976b3ae5a3b6c9f2e8b7e3924f72
MD5 hash: f5877c27cfd748f562c7e6a48d65f38e
humanhash: romeo-sweet-delta-michigan
File name:x86_32.uhavenobotsxd
Download: download sample
Signature Mirai
File size:87'028 bytes
First seen:2025-11-23 08:50:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:bONIYrOK83od3tYaCMBUa/r9En7C0hVS7LcR6ww6YamqgG8:dm23od99XBT/r9Em0h872TwP
TLSH T124835BC2A747C8F4FC660178213BE7364672E639112ACE46CF64BD369C66A02F61776C
telfhash t13e31f4b91a7e5ce8abd16c00e10e6b612d5deb7b545036b38273c810321ee4241bbc35
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 :
35
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes the time when the file was created, accessed, or modified
Deletes a file
Receives data from a server
Opens a port
Deleting a recently created file
Sends data to a server
Launching a process
Connection attempt
Sets a written file as executable
Creating a file
Creates or modifies symbolic links
Changes access rights for a written file
Runs as daemon
Creating a process from a recently created file
Kills processes
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-23T08:29:00Z UTC
Last seen:
2025-11-23T10:29:00Z UTC
Hits:
~10
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
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 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
Writes identical ELF files to multiple locations
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819361 Sample: x86_32.uhavenobotsxd.elf Startdate: 23/11/2025 Architecture: LINUX Score: 100 93 45.131.108.8 SKYLINKNL Germany 2->93 95 185.27.134.217 WILDCARD-ASWildcardUKLimitedGB United Kingdom 2->95 97 4 other IPs or domains 2->97 105 Malicious sample detected (through community Yara rule) 2->105 107 Multi AV Scanner detection for submitted file 2->107 109 Connects to many ports of the same IP (likely port scanning) 2->109 11 x86_32.uhavenobotsxd.elf 2->11         started        signatures3 process4 signatures5 125 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->125 14 x86_32.uhavenobotsxd.elf 11->14         started        process6 file7 85 /var/spool/cron/root, ASCII 14->85 dropped 87 /var/spool/cron/crontabs/root, ASCII 14->87 dropped 89 /root/.bashrc, ASCII 14->89 dropped 91 11 other malicious files 14->91 dropped 127 Sample tries to set files in /etc globally writable 14->127 129 Sample tries to persist itself using /etc/profile 14->129 131 Drops files in suspicious directories 14->131 133 4 other signatures 14->133 18 x86_32.uhavenobotsxd.elf sh 14->18         started        20 x86_32.uhavenobotsxd.elf sh 14->20         started        22 x86_32.uhavenobotsxd.elf 14->22         started        24 25 other processes 14->24 signatures8 process9 signatures10 27 sh .slrok3kd.sh 18->27         started        29 sh S99aas4 20->29         started        31 x86_32.uhavenobotsxd.elf sh 22->31         started        33 x86_32.uhavenobotsxd.elf sh 22->33         started        43 2 other processes 22->43 123 Sample tries to kill multiple processes (SIGKILL) 24->123 35 sh crontab 24->35         started        39 sh cp 24->39         started        41 sh cp 24->41         started        45 21 other processes 24->45 process11 file12 60 80 other processes 27->60 47 S99aas4 29->47         started        49 S99aas4 autwwdkv 29->49         started        52 sh autwwdkv 31->52         started        54 sh autwwdkv 33->54         started        75 /var/spool/cron/crontabs/tmp.qFFM4C, ASCII 35->75 dropped 111 Sample tries to persist itself using cron 35->111 113 Executes the "crontab" command typically for achieving persistence 35->113 77 /usr/bin/autwwdkv, ELF 39->77 dropped 115 Writes identical ELF files to multiple locations 39->115 117 Drops files in suspicious directories 39->117 79 /boot/.8ef6odbn, ELF 41->79 dropped 119 Drops invisible ELF files 41->119 62 2 other processes 43->62 81 /var/log/.npnu74r2, ELF 45->81 dropped 83 /var/jbx/shared/.ier0261a, ELF 45->83 dropped 121 Sample tries to kill multiple processes (SIGKILL) 45->121 56 S99wwiu .8ef6odbn 45->56         started        58 S992obg .ier0261a 45->58         started        64 2 other processes 45->64 signatures13 process14 signatures15 66 S99aas4 autwwdkv 47->66         started        69 S99aas4 autwwdkv 47->69         started        71 S99aas4 autwwdkv 47->71         started        73 35 other processes 47->73 99 Sample reads /proc/mounts (often used for finding a writable filesystem) 56->99 101 Executes the "crontab" command typically for achieving persistence 64->101 process16 signatures17 103 Sample reads /proc/mounts (often used for finding a writable filesystem) 66->103
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-11-23 08:51:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 37 (51.35%)
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
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 d5dabd73c9e5e9b8a06bae5335bd9ef740846d4ec661b0c21c9ec94adf955795

(this sample)

  
Delivery method
Distributed via web download

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