MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f11cfa41192f935db9d5a29b1026a54ab5827a2386ca390c23ddc650ba370651. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f11cfa41192f935db9d5a29b1026a54ab5827a2386ca390c23ddc650ba370651
SHA3-384 hash: 085d5cd1ab48a5208dfaf20b6368bbdd9eb71d960b1d4f811ae891270b37eac7aa37ba83a202920a3a33e41c53e2575c
SHA1 hash: abb2599667488833cadf28af86e423a1d7c3bc08
MD5 hash: 993ac7aa78ffe0275a2ee09bcf992142
humanhash: pennsylvania-mirror-blossom-potato
File name:arm.uhavenobotsxd
Download: download sample
Signature Mirai
Create hunting rule
File size:103'636 bytes
First seen:2025-12-22 00:17:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:6dflVU0Y3vcSF4ZWuDl/asC/5b8JEdChRFZJn/jOt4VtrRtj/v8lemb:6dfg0MESuWuDljC5b0EkfFZRp3g
TLSH T132A33B52BD91DA12D6C1627BFB1E428D372713ECD3EB32038E256F21378A91A0E7B551
telfhash t172312fa55f641adc5bf0430447ddb28da51b38f83fa024176badbf4e8b835c1b02e412
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 :
62
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-10010119-0
Create hunting rule

Unix.Trojan.Mirai-10010127-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/69488e09e126b9ff438b2e17/reports/d34d7cc5-c5f7-4f72-9615-79b67c6fb438/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-21T22:15:00Z UTC
Last seen:
2025-12-22T00:07:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/f11cfa41192f935db9d5a29b1026a54ab5827a2386ca390c23ddc650ba370651/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/8ea3bb40-503e-4cef-8d39-f138ed51e433
Behavior Graph:
Download SVG
%3 guuid=56391d6a-1800-0000-d0db-e991de0a0000 pid=2782 /usr/bin/sudo guuid=edcb6a6c-1800-0000-d0db-e991e40a0000 pid=2788 /tmp/sample.bin guuid=56391d6a-1800-0000-d0db-e991de0a0000 pid=2782->guuid=edcb6a6c-1800-0000-d0db-e991e40a0000 pid=2788 execve
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/2313a014-7635-44e9-82d5-9292f8340110
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1837331
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
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1837331 Sample: arm.uhavenobotsxd.elf Startdate: 22/12/2025 Architecture: LINUX Score: 100 85 91.244.187.215, 27483, 9732 TVK-HAJNOWKA-ASPL Poland 2->85 87 91.108.9.229 TELEGRAMRU United Kingdom 2->87 89 15 other IPs or domains 2->89 95 Multi AV Scanner detection for submitted file 2->95 97 Connects to many ports of the same IP (likely port scanning) 2->97 11 arm.uhavenobotsxd.elf 2->11         started        signatures3 process4 signatures5 115 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->115 14 arm.uhavenobotsxd.elf 11->14         started        process6 file7 77 /var/spool/cron/root, ASCII 14->77 dropped 79 /var/spool/cron/crontabs/root, ASCII 14->79 dropped 81 /root/.bashrc, ASCII 14->81 dropped 83 8 other files (7 malicious) 14->83 dropped 119 Sample tries to set files in /etc globally writable 14->119 121 Sample tries to persist itself using /etc/profile 14->121 123 Drops files in suspicious directories 14->123 125 4 other signatures 14->125 18 arm.uhavenobotsxd.elf sh 14->18         started        20 arm.uhavenobotsxd.elf 14->20         started        22 arm.uhavenobotsxd.elf sh 14->22         started        24 57 other processes 14->24 signatures8 process9 signatures10 27 sh S99network 18->27         started        29 arm.uhavenobotsxd.elf sh 20->29         started        31 arm.uhavenobotsxd.elf sh 20->31         started        33 arm.uhavenobotsxd.elf sh 20->33         started        35 arm.uhavenobotsxd.elf 20->35         started        37 sh crontab 22->37         started        41 sh 22->41         started        111 Sample tries to kill a massive number of system processes 24->111 113 Sample tries to kill multiple processes (SIGKILL) 24->113 43 sh cp 24->43         started        45 54 other processes 24->45 process11 file12 47 S99network 27->47         started        49 sh .update 29->49         started        52 sh .update 31->52         started        54 sh .update 33->54         started        73 /var/spool/cron/crontabs/tmp.3OGz3p, ASCII 37->73 dropped 99 Sample tries to persist itself using cron 37->99 101 Executes the "crontab" command typically for achieving persistence 37->101 56 sh crontab 41->56         started        75 /usr/bin/.update, ELF 43->75 dropped 103 Drops invisible ELF files 43->103 105 Drops files in suspicious directories 43->105 107 Sample deletes itself 45->107 109 Terminates several processes with shell command 'killall' 45->109 58 .monitor 45->58         started        signatures13 process14 signatures15 60 S99network .update 47->60         started        63 S99network .update 47->63         started        65 S99network .update 47->65         started        71 59 other processes 47->71 91 Sample reads /proc/mounts (often used for finding a writable filesystem) 49->91 93 Executes the "crontab" command typically for achieving persistence 56->93 67 .monitor .update 58->67         started        69 .monitor sleep 58->69         started        process16 signatures17 117 Sample reads /proc/mounts (often used for finding a writable filesystem) 60->117
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f11cfa41192f935db9d5a29b1026a54ab5827a2386ca390c23ddc650ba370651
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f11cfa41192f935db9d5a29b1026a54ab5827a2386ca390c23ddc650ba370651/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-22 00:17:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6eopuqizf6jv3oovuknrajvfjk2ye6rdq3fdsdbd3xdfborxaziq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251222-ak87csb15b/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10001386-0
YARA:
n/a
Link:
https://app.threat.zone/submission/cf0b1c0f-0ea9-4040-94f6-16e2b01445bf
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/f11cfa41192f935db9d5a29b1026a54ab5827a2386ca390c23ddc650ba370651

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
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Generic_Threat_d94e1020
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 f11cfa41192f935db9d5a29b1026a54ab5827a2386ca390c23ddc650ba370651

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3686382/
  
Delivery method
Distributed via web download

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