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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44cfcb10866fb4039b9170da80585ef3c958ce041c81da3b0a48d4f21489ec03. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 44cfcb10866fb4039b9170da80585ef3c958ce041c81da3b0a48d4f21489ec03
SHA3-384 hash: ef9de6af3e18514b9ccd5dcdedd441636f4c577ea9ca744982964bbbd81c7a1b163cee4850f9d542c1aaf2e189427e69
SHA1 hash: ae1728f98e8dfd72c3f5827274a91f2bfe235ac8
MD5 hash: b962ef1f5b353c61c6983d1f631fcf4a
humanhash: autumn-stream-coffee-black
File name:arm7.uhavenobotsxd
Download: download sample
Signature Mirai
Create hunting rule
File size:133'360 bytes
First seen:2026-01-02 00:53:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:EK7fEExiea1G7VqavS9i3IC77svvei45z7svrBVb:EK7f7s1KYavS9i3ICHsvMzovrXb
TLSH T170D32A56B9919F11D4C731FAFA5E414933136FB8D3FA71019D206FA123CA99B0FBA212
telfhash t1def0e129f64019dc1fd8d69450b97617689c32f52f1111eac16cdf4b8161bc27039c0f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
38
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

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt gcc mirai rust
Link:
https://www.filescan.io/uploads/695717358d1aa9829e28a6a2/reports/a0fe0dd4-c6f9-41a4-a760-f378c1e70774/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-01T18:24:00Z UTC
Last seen:
2026-01-03T03:39:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.ij HEUR:Backdoor.Linux.Gafgyt.gu
Link:
https://opentip.kaspersky.com/44cfcb10866fb4039b9170da80585ef3c958ce041c81da3b0a48d4f21489ec03/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2e56e6df-aedf-4a51-a125-06b089fce0a3
Behavior Graph:
Download SVG
%3 guuid=a8097098-1a00-0000-a4f8-af45480c0000 pid=3144 /usr/bin/sudo guuid=598f589a-1a00-0000-a4f8-af454d0c0000 pid=3149 /tmp/sample.bin guuid=a8097098-1a00-0000-a4f8-af45480c0000 pid=3144->guuid=598f589a-1a00-0000-a4f8-af454d0c0000 pid=3149 execve
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/0515ce7d-39f7-48bf-bc64-e0c9f51ff072
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1843361
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 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 dnsIp2 2 Behavior Graph ID: 1843361 Sample: arm7.uhavenobotsxd.elf Startdate: 02/01/2026 Architecture: LINUX Score: 100 94 187.190.141.184, 8657 TOTALPLAYTELECOMUNICACIONESSADECVMX Mexico 2->94 96 94.154.35.153, 40688, 6969 SELECTELRU Ukraine 2->96 98 11 other IPs or domains 2->98 100 Multi AV Scanner detection for submitted file 2->100 11 arm7.uhavenobotsxd.elf 2->11         started        signatures3 process4 signatures5 104 Sample tries to kill multiple processes (SIGKILL) 11->104 106 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->106 14 arm7.uhavenobotsxd.elf 11->14         started        process6 file7 86 /var/spool/cron/root, ASCII 14->86 dropped 88 /var/spool/cron/crontabs/root, ASCII 14->88 dropped 90 /root/.bashrc, ASCII 14->90 dropped 92 7 other files (6 malicious) 14->92 dropped 122 Sample tries to set files in /etc globally writable 14->122 124 Sample tries to persist itself using /etc/profile 14->124 126 Drops files in suspicious directories 14->126 128 4 other signatures 14->128 18 arm7.uhavenobotsxd.elf sh 14->18         started        20 arm7.uhavenobotsxd.elf sh 14->20         started        22 arm7.uhavenobotsxd.elf sh 14->22         started        24 61 other processes 14->24 signatures8 process9 signatures10 27 sh S99network 18->27         started        29 sh cp 20->29         started        33 sh crontab 22->33         started        35 sh 22->35         started        102 Sample tries to kill multiple processes (SIGKILL) 24->102 37 sh cp 24->37         started        39 sh cp 24->39         started        41 sh cp 24->41         started        43 59 other processes 24->43 process11 file12 45 S99network 27->45         started        68 /usr/bin/.update, ELF 29->68 dropped 108 Writes identical ELF files to multiple locations 29->108 110 Drops invisible ELF files 29->110 112 Drops files in suspicious directories 29->112 70 /var/spool/cron/crontabs/tmp.qszfz4, ASCII 33->70 dropped 114 Sample tries to persist itself using cron 33->114 116 Executes the "crontab" command typically for achieving persistence 33->116 47 sh crontab 35->47         started        72 /var/jbx/shared/.update, ELF 37->72 dropped 74 /var/log/.update, ELF 39->74 dropped 76 /var/.update, ELF 41->76 dropped 78 /root/.update, ELF 43->78 dropped 80 /mnt/.update, ELF 43->80 dropped 82 /media/.update, ELF 43->82 dropped 84 2 other malicious files 43->84 dropped 118 Sample deletes itself 43->118 120 Terminates several processes with shell command 'killall' 43->120 50 .monitor 43->50         started        52 sh arm7.uhavenobotsxd.elf 43->52         started        54 sh arm7.uhavenobotsxd.elf 43->54         started        signatures13 process14 signatures15 56 S99network arm7.uhavenobotsxd.elf 45->56         started        58 S99network arm7.uhavenobotsxd.elf 45->58         started        60 S99network arm7.uhavenobotsxd.elf 45->60         started        66 55 other processes 45->66 130 Executes the "crontab" command typically for achieving persistence 47->130 62 .monitor arm7.uhavenobotsxd.elf 50->62         started        64 .monitor sleep 50->64         started        process16
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/44cfcb10866fb4039b9170da80585ef3c958ce041c81da3b0a48d4f21489ec03
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/44cfcb10866fb4039b9170da80585ef3c958ce041c81da3b0a48d4f21489ec03/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/44cfcb10866fb4039b9170da80585ef3c958ce041c81da3b0a48d4f21489ec03
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-01 23:18:55 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ith4weegn62ahg4rodniawc66pevrtqedsa5uoykjdkpefej5qbq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/260102-a9f7wasjgs/
Behaviour
Command and Scripting Interpreter: Unix Shell
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
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10001386-0
YARA:
n/a
Link:
https://app.threat.zone/submission/ddf59833-079e-4337-84be-ef214e3208bc
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/44cfcb10866fb4039b9170da80585ef3c958ce041c81da3b0a48d4f21489ec03

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:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Generic_Threat_8299c877
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 44cfcb10866fb4039b9170da80585ef3c958ce041c81da3b0a48d4f21489ec03

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3686384/
  
Delivery method
Distributed via web download

Comments