MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 85bc6f74b611809d8f5c930877e3b7198e886764235fb0c3266085400d01f8b4. 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 11 File information Comments

SHA256 hash: 85bc6f74b611809d8f5c930877e3b7198e886764235fb0c3266085400d01f8b4
SHA3-384 hash: ed2a5465d9218bfeba9e4fc3d05b370fee8bfe5fd2527a1d6026a7a2d6e853eb373088a7498a766e9bddfe53289a0f78
SHA1 hash: a6ca796c2a5c5165c51fb4a548e4ba4341ddcce9
MD5 hash: a1bcaa37cf0d9b55cfd1cd32e892bee6
humanhash: neptune-king-artist-seventeen
File name:x86_64.uhavenobotsxd
Download: download sample
Signature Mirai
File size:91'792 bytes
First seen:2025-11-23 17:21:19 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:EmcIh0xQyif3W7R6YSRWc1tW5TdxiC1RMWpvJia:aIh0EfGYYSR1M5TdT1RhhJ
TLSH T192934A06BAC1D4FCC89AC338565FA276C932F82D1236721B57C0FB267DCDA212B1E565
telfhash t15731dc3874961a7820ffbf29f34af8a1e823046118e435d1ed73b9e6cf6a3d00c02452
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 :
39
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
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
Opens a port
Changes the time when the file was created, accessed, or modified
Creates or modifies symbolic links
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
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
gafgyt mirai
Verdict:
Malicious
Uses P2P?:
true
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
19
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
29356,31612,56086,37154
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
type: 104.29.147.43:19321
type: 66.22.244.136:50023
Result
Gathering data
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 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: 1819590 Sample: x86_64.uhavenobotsxd.elf Startdate: 23/11/2025 Architecture: LINUX Score: 100 95 94.154.35.153, 40696, 6969 SELECTELRU Ukraine 2->95 97 66.22.244.136 DIGICON-CORPUS United States 2->97 99 3 other IPs or domains 2->99 121 Malicious sample detected (through community Yara rule) 2->121 123 Multi AV Scanner detection for submitted file 2->123 11 x86_64.uhavenobotsxd.elf 2->11         started        14 systemd snap-failure 2->14         started        signatures3 process4 signatures5 133 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->133 16 x86_64.uhavenobotsxd.elf 11->16         started        process6 file7 77 /var/spool/cron/root, ASCII 16->77 dropped 79 /var/spool/cron/crontabs/root, ASCII 16->79 dropped 81 /root/.bashrc, ASCII 16->81 dropped 83 11 other files (10 malicious) 16->83 dropped 101 Sample tries to set files in /etc globally writable 16->101 103 Sample tries to persist itself using /etc/profile 16->103 105 Drops files in suspicious directories 16->105 107 4 other signatures 16->107 20 x86_64.uhavenobotsxd.elf sh 16->20         started        22 x86_64.uhavenobotsxd.elf 16->22         started        24 x86_64.uhavenobotsxd.elf sh 16->24         started        26 54 other processes 16->26 signatures8 process9 signatures10 29 sh S99qbtk 20->29         started        31 x86_64.uhavenobotsxd.elf sh 22->31         started        45 3 other processes 22->45 33 sh crontab 24->33         started        37 sh 24->37         started        131 Sample tries to kill multiple processes (SIGKILL) 26->131 39 sh cp 26->39         started        41 sh cp 26->41         started        43 sh cp 26->43         started        47 49 other processes 26->47 process11 file12 49 S99qbtk 29->49         started        51 S99qbtk at8ephcq 29->51         started        54 sh at8ephcq 31->54         started        85 /var/spool/cron/crontabs/tmp.Q67Fpp, ASCII 33->85 dropped 109 Sample tries to persist itself using cron 33->109 111 Executes the "crontab" command typically for achieving persistence 33->111 56 sh crontab 37->56         started        87 /usr/bin/at8ephcq, ELF 39->87 dropped 113 Writes identical ELF files to multiple locations 39->113 115 Drops files in suspicious directories 39->115 89 /boot/.nlentcn3, ELF 41->89 dropped 117 Drops invisible ELF files 41->117 91 /var/jbx/shared/.jrfa4rof, ELF 43->91 dropped 58 sh at8ephcq 45->58         started        66 2 other processes 45->66 93 /var/log/.ccrcokei, ELF 47->93 dropped 119 Sample tries to kill multiple processes (SIGKILL) 47->119 60 S99mmif .nlentcn3 47->60         started        62 S9968bg .jrfa4rof 47->62         started        64 S9937v2 .ccrcokei 47->64         started        signatures13 process14 signatures15 68 S99qbtk at8ephcq 49->68         started        71 S99qbtk at8ephcq 49->71         started        73 S99qbtk at8ephcq 49->73         started        75 53 other processes 49->75 125 Executes the "crontab" command typically for achieving persistence 56->125 127 Sample reads /proc/mounts (often used for finding a writable filesystem) 60->127 process16 signatures17 129 Sample reads /proc/mounts (often used for finding a writable filesystem) 68->129
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-11-23 17:22:17 UTC
File Type:
ELF64 Little (Exe)
AV detection:
8 of 36 (22.22%)
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
Modifies init.d
Modifies rc script
Write file to user bin folder
Executes dropped EXE
Mirai
Mirai family
Verdict:
Unknown
Tags:
trojan gafgyt mirai
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 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_e0cf29e2
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: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: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:Linux_Trojan_Mirai_6a77af0f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
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 85bc6f74b611809d8f5c930877e3b7198e886764235fb0c3266085400d01f8b4

(this sample)

  
Delivery method
Distributed via web download

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