MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1bbfddc882d5ac60dea077c09ea820b39bf6c8a5d5632bd0a832ee991059077. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f1bbfddc882d5ac60dea077c09ea820b39bf6c8a5d5632bd0a832ee991059077
SHA3-384 hash: 05d9cded5b893046bdbe93f019085ae308b8194c0d9e08892d11f4f30eb3906538b3978d9adfbf1f39e88c05e6ebe18b
SHA1 hash: 8c21211833c57ac45ee23f65e5479e686be25fa5
MD5 hash: cafe9db845e15a286dd466e4a89d6e1d
humanhash: gee-winner-two-eleven
File name:x86_64.uhavenobotsxd
Download: download sample
Signature Mirai
Create hunting rule
File size:95'888 bytes
First seen:2025-12-24 19:03:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:YLmPyFu4eI2rDqMlE1enoRqoVldWYjgqpbD:Ywy2BrDq91eno7ldPNpbD
TLSH T118936C02B7C0C8FCD49AD338166F6275C922F86C1231725B97D4FE166C8DE213B6E2A5
telfhash t1e33158316e8a2454a0fbb63af717f6a6dc62096028f570f1dd73bde2cf09b440d92442
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 :
48
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10001386-0
Create hunting rule

Unix.Trojan.Mirai-10017351-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/694c393084afa5547b5d9362/reports/6f914e23-2829-474b-9c4f-5cfad11bea27/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-12-24T16:16:00Z UTC
Last seen:
2025-12-24T16:37:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/f1bbfddc882d5ac60dea077c09ea820b39bf6c8a5d5632bd0a832ee991059077/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e540eafc-2d99-4121-a851-ea8aeae79a09
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1839025
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1839025 Sample: x86_64.uhavenobotsxd.elf Startdate: 24/12/2025 Architecture: LINUX Score: 100 97 Malicious sample detected (through community Yara rule) 2->97 99 Multi AV Scanner detection for submitted file 2->99 10 x86_64.uhavenobotsxd.elf 2->10         started        process3 signatures4 121 Sample tries to kill multiple processes (SIGKILL) 10->121 123 Sample reads /proc/mounts (often used for finding a writable filesystem) 10->123 13 x86_64.uhavenobotsxd.elf 10->13         started        process5 file6 89 /var/spool/cron/root, ASCII 13->89 dropped 91 /var/spool/cron/crontabs/root, ASCII 13->91 dropped 93 /root/.bashrc, ASCII 13->93 dropped 95 11 other files (10 malicious) 13->95 dropped 125 Sample tries to set files in /etc globally writable 13->125 127 Sample tries to persist itself using /etc/profile 13->127 129 Drops files in suspicious directories 13->129 131 4 other signatures 13->131 17 x86_64.uhavenobotsxd.elf sh 13->17         started        19 x86_64.uhavenobotsxd.elf sh 13->19         started        21 x86_64.uhavenobotsxd.elf sh 13->21         started        23 66 other processes 13->23 signatures7 process8 signatures9 26 sh .monitor 17->26         started        28 sh S99backup0 19->28         started        30 sh S99backup1 21->30         started        117 Sample tries to kill a massive number of system processes 23->117 119 Sample tries to kill multiple processes (SIGKILL) 23->119 32 sh S99backup2 23->32         started        34 sh S99network 23->34         started        36 sh cp 23->36         started        40 65 other processes 23->40 process10 file11 42 .monitor 26->42         started        44 S99backup0 28->44         started        46 S99backup1 30->46         started        48 S99backup2 32->48         started        50 S99network 34->50         started        79 /usr/bin/.update, ELF 36->79 dropped 103 Writes identical ELF files to multiple locations 36->103 105 Drops invisible ELF files 36->105 107 Drops files in suspicious directories 36->107 81 /var/spool/cron/crontabs/tmp.l0pT8e, ASCII 40->81 dropped 83 /var/log/.update, ELF 40->83 dropped 85 /var/jbx/shared/.update, ELF 40->85 dropped 87 /boot/.update, ELF 40->87 dropped 109 Sample tries to kill multiple processes (SIGKILL) 40->109 111 Sample deletes itself 40->111 113 Sample tries to persist itself using cron 40->113 115 2 other signatures 40->115 52 sh crontab 40->52         started        55 sh .update 40->55         started        57 sh .update 40->57         started        59 sh .update 40->59         started        signatures12 process13 signatures14 69 146 other processes 42->69 61 S99backup0 .update 44->61         started        71 61 other processes 44->71 63 S99backup1 .update 46->63         started        73 61 other processes 46->73 65 S99backup2 .update 48->65         started        75 61 other processes 48->75 67 S99network .update 50->67         started        77 61 other processes 50->77 101 Executes the "crontab" command typically for achieving persistence 52->101 process15
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f1bbfddc882d5ac60dea077c09ea820b39bf6c8a5d5632bd0a832ee991059077
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f1bbfddc882d5ac60dea077c09ea820b39bf6c8a5d5632bd0a832ee991059077/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/f1bbfddc882d5ac60dea077c09ea820b39bf6c8a5d5632bd0a832ee991059077
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-24 19:04:18 UTC
File Type:
ELF64 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6g573xeifvnmmdpka56at2ucbm4363eklvldfpikqmxoteifsb3q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/251224-xq6praaz9g/
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
Unexpected DNS network traffic destination
Creates a large amount of network flows
Mirai
Mirai family
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-7640640-0
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
Link:
https://app.threat.zone/submission/6d810cf4-0f28-48bc-ae0d-3e5f98337b7e
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/f1bbfddc882d5ac60dea077c09ea820b39bf6c8a5d5632bd0a832ee991059077

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
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
Rule name:unixredflags3
Create hunting rule
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 f1bbfddc882d5ac60dea077c09ea820b39bf6c8a5d5632bd0a832ee991059077

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3714269/
  
Delivery method
Distributed via web download

Comments