MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bbb67b5361c5abd6ac16953cb8947448c9b3df5386effa20da4ccf8adc36634a. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: bbb67b5361c5abd6ac16953cb8947448c9b3df5386effa20da4ccf8adc36634a
SHA3-384 hash: aa231008c7bc2a1d173e4cb356aad10b8aa82e2d7eb4fcff852fb64299701c7101c2ea64c7eda6b5680eefacb42afe2a
SHA1 hash: 84a01f79a24ed496026be4c59fc8c6dda4733710
MD5 hash: 90ac62fcbd390fea69becba296892a52
humanhash: yankee-alaska-finch-bacon
File name:arm5.uhavenobotsxd
Download: download sample
Signature Mirai
File size:99'640 bytes
First seen:2025-12-22 08:27:59 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:U1nKWHmWlSTpkENpFHIFKJ/Fb46udHFE2gJn/dOURf/drH0MYnXEjNxyeml:CnKWHNsbHIFAFbju1S2gZRUM8gG
TLSH T152A34B56BD92DA12CAC06277FB1D428D371713F8D2EB33039E256F71368A91A0E7B581
telfhash t1d451daf6aba00a9c3bf85744c5cd62199ffc387c6f016057ca2ca75b85629c1b43e427
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 :
78
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt mirai rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-22T00:21:00Z UTC
Last seen:
2025-12-22T05:42:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.ij HEUR:Backdoor.Linux.Gafgyt.gu
Status:
terminated
Behavior Graph:
%3 guuid=419ce841-1600-0000-564c-956c6d0c0000 pid=3181 /usr/bin/sudo guuid=a692eb43-1600-0000-564c-956c730c0000 pid=3187 /tmp/sample.bin guuid=419ce841-1600-0000-564c-956c6d0c0000 pid=3181->guuid=a692eb43-1600-0000-564c-956c730c0000 pid=3187 execve
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
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'
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1837528 Sample: arm5.uhavenobotsxd.elf Startdate: 22/12/2025 Architecture: LINUX Score: 100 87 104.234.180.123, 36968, 5155 VELCOMCA Canada 2->87 89 188.212.102.23, 38332, 38334, 38336 TELESYSTEM-ASRO Romania 2->89 91 15 other IPs or domains 2->91 105 Multi AV Scanner detection for submitted file 2->105 11 arm5.uhavenobotsxd.elf 2->11         started        14 dash rm 2->14         started        16 dash rm 2->16         started        signatures3 process4 signatures5 119 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->119 18 arm5.uhavenobotsxd.elf 11->18         started        process6 file7 79 /var/spool/cron/root, ASCII 18->79 dropped 81 /var/spool/cron/crontabs/root, ASCII 18->81 dropped 83 /root/.bashrc, ASCII 18->83 dropped 85 8 other files (7 malicious) 18->85 dropped 107 Sample tries to set files in /etc globally writable 18->107 109 Sample tries to persist itself using /etc/profile 18->109 111 Drops files in suspicious directories 18->111 113 4 other signatures 18->113 22 arm5.uhavenobotsxd.elf sh 18->22         started        24 arm5.uhavenobotsxd.elf sh 18->24         started        26 arm5.uhavenobotsxd.elf sh 18->26         started        28 56 other processes 18->28 signatures8 process9 signatures10 31 sh S99network 22->31         started        33 sh crontab 24->33         started        37 sh 24->37         started        39 sh cp 26->39         started        121 Sample tries to kill a massive number of system processes 28->121 123 Sample tries to kill multiple processes (SIGKILL) 28->123 41 arm5.uhavenobotsxd.elf sh 28->41         started        43 arm5.uhavenobotsxd.elf sh 28->43         started        45 sh rm 28->45         started        47 54 other processes 28->47 process11 file12 49 S99network 31->49         started        75 /var/spool/cron/crontabs/tmp.vsNZkU, ASCII 33->75 dropped 93 Sample tries to persist itself using cron 33->93 95 Executes the "crontab" command typically for achieving persistence 33->95 51 sh crontab 37->51         started        77 /usr/bin/.update, ELF 39->77 dropped 97 Drops invisible ELF files 39->97 99 Drops files in suspicious directories 39->99 54 sh .update 41->54         started        56 sh .update 43->56         started        101 Sample deletes itself 45->101 103 Terminates several processes with shell command 'killall' 47->103 58 .monitor 47->58         started        60 sh .update 47->60         started        signatures13 process14 signatures15 62 S99network .update 49->62         started        65 S99network .update 49->65         started        67 S99network .update 49->67         started        73 67 other processes 49->73 115 Executes the "crontab" command typically for achieving persistence 51->115 117 Sample reads /proc/mounts (often used for finding a writable filesystem) 54->117 69 .monitor .update 58->69         started        71 .monitor sleep 58->71         started        process16 signatures17 125 Sample reads /proc/mounts (often used for finding a writable filesystem) 62->125
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-22 08:28:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10001386-0
YARA:
n/a
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_Generic_Threat_d94e1020
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 bbb67b5361c5abd6ac16953cb8947448c9b3df5386effa20da4ccf8adc36634a

(this sample)

  
Delivery method
Distributed via web download

Comments