MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f628f0cd5aadc7b4fda1ea076c3db8f199a352aed05d88e7e9640ff2c445b80. 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 10 File information Comments

SHA256 hash: 6f628f0cd5aadc7b4fda1ea076c3db8f199a352aed05d88e7e9640ff2c445b80
SHA3-384 hash: ba2e747703981f72d5f7ce8de42eaeecd7985d0d18508679102394c60f5c7cb83d4503fc7fd015e594305ba22af7f5b3
SHA1 hash: 64d28c7eb826d63b759fb6c6367453a9f63066c5
MD5 hash: 46b2f76c33a7ea6010625a8b7c4650ed
humanhash: green-skylark-carpet-two
File name:x86_32.uhavenobotsxd
Download: download sample
Signature Mirai
File size:91'124 bytes
First seen:2026-01-02 06:46:33 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:OP2UFsL02QTB6cj33GEHxOt32+t7tvqrb25Yel+0jcJD8hmNLE:492L02Qfj33GEROt32mAntQlgJRE
TLSH T1D6936CC2A793D4F5FD6611B8213BF3764672E939002ADB4ACB25B8369C16902F71B35C
telfhash t15b310cfa0b7e48d5a7d47840d20eaf152c0de777695076a38673d924235ed42427bd38
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 :
49
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt mirai
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-02T03:37:00Z UTC
Last seen:
2026-01-02T06:00:00Z 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 a massive number of system processes
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: 1843476 Sample: x86_32.uhavenobotsxd.elf Startdate: 02/01/2026 Architecture: LINUX Score: 100 96 94.154.35.153, 40694, 6969 SELECTELRU Ukraine 2->96 112 Malicious sample detected (through community Yara rule) 2->112 114 Multi AV Scanner detection for submitted file 2->114 11 x86_32.uhavenobotsxd.elf 2->11         started        signatures3 process4 signatures5 122 Sample tries to kill multiple processes (SIGKILL) 11->122 124 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->124 14 x86_32.uhavenobotsxd.elf 11->14         started        process6 file7 78 /var/spool/cron/root, ASCII 14->78 dropped 80 /var/spool/cron/crontabs/root, ASCII 14->80 dropped 82 /root/.bashrc, ASCII 14->82 dropped 84 11 other files (10 malicious) 14->84 dropped 126 Sample tries to set files in /etc globally writable 14->126 128 Sample tries to persist itself using /etc/profile 14->128 130 Drops files in suspicious directories 14->130 132 4 other signatures 14->132 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 cp 22->31         started        118 Sample tries to kill a massive number of system processes 24->118 120 Sample tries to kill multiple processes (SIGKILL) 24->120 35 sh S99backup2 24->35         started        37 sh S99network 24->37         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        86 /usr/bin/.update, ELF 31->86 dropped 98 Writes identical ELF files to multiple locations 31->98 100 Drops invisible ELF files 31->100 102 Drops files in suspicious directories 31->102 47 S99backup2 35->47         started        49 S99network 37->49         started        88 /var/spool/cron/crontabs/tmp.izcdAh, ASCII 39->88 dropped 104 Sample tries to persist itself using cron 39->104 106 Executes the "crontab" command typically for achieving persistence 39->106 90 /var/log/.update, ELF 41->90 dropped 92 /var/jbx/shared/.update, ELF 41->92 dropped 94 /boot/.update, ELF 41->94 dropped 108 Sample deletes itself 41->108 110 Terminates several processes with shell command 'killall' 41->110 51 sh crontab 41->51         started        54 .monitor 41->54         started        56 sh .update 41->56         started        58 3 other processes 41->58 signatures13 process14 signatures15 60 S99backup0 .update 43->60         started        68 58 other processes 43->68 62 S99backup1 .update 45->62         started        70 53 other processes 45->70 64 S99backup2 .update 47->64         started        72 49 other processes 47->72 66 S99network .update 49->66         started        74 45 other processes 49->74 116 Executes the "crontab" command typically for achieving persistence 51->116 76 2 other processes 54->76 process16
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-02 06:47:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 37 (48.65%)
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_b14f4c5d 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: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_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_b14f4c5d
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 6f628f0cd5aadc7b4fda1ea076c3db8f199a352aed05d88e7e9640ff2c445b80

(this sample)

  
Delivery method
Distributed via web download

Comments