MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66a7246aa03a4a1712f3b7b72db23d3bf89c062179c623e7751324efcf732bb6. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66a7246aa03a4a1712f3b7b72db23d3bf89c062179c623e7751324efcf732bb6
SHA3-384 hash: 5512d24b53f15bfc5e8a3a82e1b88a5bd5911b594d355ba4e029ba94b07696b8439cbe693c9906a41cf8db6e2754cb1d
SHA1 hash: b347f4fddd5d31ef5d67c61af625cc0a8f789d58
MD5 hash: 373971cdbda6eee814b25872704bec7c
humanhash: fix-leopard-east-mirror
File name:mirai.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:99'640 bytes
First seen:2025-12-24 12:39:39 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Xz8I9gU3bc1JxLEsI75UP7Oh23JPZlABbfxIaF81tMrkn65JtOoFagYOXUo4avGn:Xz8sgU3bc1AsI2EtLyOrkmOoc9OkuGn
TLSH T182A31851BC929612C6D423B6FA6E018D332663E8D2EF3213CD216F2537CA96F0D77652
telfhash t1a851cfaaefb00f8d57d98154918eb4096eed319d1f082896db2db34f44866c2f53d817
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 :
40
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/e59edb44-e3e1-44a5-8b1d-99efbaeb2e78/
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135868-0
Create hunting rule

Unix.Dropper.Mirai-7135891-0
Create hunting rule

Unix.Dropper.Mirai-7135892-0
Create hunting rule

Unix.Dropper.Mirai-7136034-0
Create hunting rule

Unix.Trojan.Mirai-10027280-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
botnet gafgyt masquerade mirai rust
Link:
https://www.filescan.io/uploads/694bdf313f8fdbf8e9511281/reports/63f09e44-78d4-48a2-9fff-3500c5a297c5/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c5480303-6cde-4575-a960-cb7f8d625043
Behavior Graph:
Download SVG
%3 guuid=a5c6d2a6-1900-0000-b5ba-370a34080000 pid=2100 /usr/bin/sudo guuid=88c4d7a8-1900-0000-b5ba-370a36080000 pid=2102 /tmp/sample.bin guuid=a5c6d2a6-1900-0000-b5ba-370a34080000 pid=2100->guuid=88c4d7a8-1900-0000-b5ba-370a36080000 pid=2102 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f3169a81-633c-48d8-b7fe-58e3e30cf733
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1838782
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Drops invisible ELF files
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Reads system files that contain records of logged in users
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1838782 Sample: mirai.arm.elf Startdate: 24/12/2025 Architecture: LINUX Score: 100 123 190.45.58.85, 23 VTRBANDAANCHASACL Chile 2->123 125 77.236.48.226, 23 VLANT-ASRU Russian Federation 2->125 127 99 other IPs or domains 2->127 139 Malicious sample detected (through community Yara rule) 2->139 141 Antivirus detection for dropped file 2->141 143 Antivirus / Scanner detection for submitted sample 2->143 145 2 other signatures 2->145 14 gdm3 gdm-session-worker 2->14         started        16 mirai.arm.elf 2->16         started        18 systemd accounts-daemon 2->18         started        21 16 other processes 2->21 signatures3 process4 signatures5 23 gdm-session-worker gdm-x-session 14->23         started        25 mirai.arm.elf 16->25         started        131 Reads system files that contain records of logged in users 18->131 27 accounts-daemon language-validate 18->27         started        process6 process7 29 gdm-x-session dbus-run-session 23->29         started        31 gdm-x-session Xorg Xorg.wrap Xorg 23->31         started        33 gdm-x-session Default 23->33         started        35 mirai.arm.elf 25->35         started        39 language-validate language-options 27->39         started        file8 41 dbus-run-session gnome-session gnome-session-binary 1 29->41         started        43 dbus-run-session dbus-daemon 29->43         started        46 Xorg sh 31->46         started        48 Xorg sh 31->48         started        115 /etc/init.d/sysd, POSIX 35->115 dropped 147 Sample tries to set files in /etc globally writable 35->147 149 Drops files in suspicious directories 35->149 151 Sample deletes itself 35->151 153 Sample tries to persist itself using System V runlevels 35->153 50 mirai.arm.elf sh 35->50         started        52 mirai.arm.elf 35->52         started        55 language-options sh 39->55         started        signatures9 process10 file11 69 19 other processes 41->69 155 Sample reads /proc/mounts (often used for finding a writable filesystem) 43->155 57 dbus-daemon 43->57         started        59 dbus-daemon 43->59         started        71 9 other processes 43->71 61 sh xkbcomp 46->61         started        63 sh xkbcomp 48->63         started        65 sh cp 50->65         started        117 /usr/bin/wget, POSIX 52->117 dropped 119 /usr/bin/tftp, POSIX 52->119 dropped 121 /usr/bin/curl, POSIX 52->121 dropped 157 Drops files in suspicious directories 52->157 73 2 other processes 52->73 75 2 other processes 55->75 signatures12 process13 file14 77 dbus-daemon at-spi-bus-launcher 57->77         started        79 dbus-daemon gjs 59->79         started        113 /usr/bin/.sh, ELF 65->113 dropped 133 Drops invisible ELF files 65->133 135 Drops files in suspicious directories 65->135 137 Sample reads /proc/mounts (often used for finding a writable filesystem) 69->137 82 gnome-shell ibus-daemon 69->82         started        84 gsd-print-notifications 69->84         started        86 gnome-session-check-accelerated gnome-session-check-accelerated-gl-helper 69->86         started        88 gnome-session-check-accelerated gnome-session-check-accelerated-gles-helper 69->88         started        90 dbus-daemon false 71->90         started        92 dbus-daemon false 71->92         started        94 7 other processes 71->94 signatures15 process16 signatures17 96 at-spi-bus-launcher dbus-daemon 77->96         started        159 Sample reads /proc/mounts (often used for finding a writable filesystem) 79->159 99 ibus-daemon 82->99         started        101 ibus-daemon ibus-memconf 82->101         started        103 ibus-daemon ibus-engine-simple 82->103         started        105 gsd-print-notifications gsd-printer 84->105         started        process18 signatures19 129 Sample reads /proc/mounts (often used for finding a writable filesystem) 96->129 107 dbus-daemon 96->107         started        109 ibus-daemon ibus-x11 99->109         started        process20 process21 111 dbus-daemon at-spi2-registryd 107->111         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/66a7246aa03a4a1712f3b7b72db23d3bf89c062179c623e7751324efcf732bb6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/66a7246aa03a4a1712f3b7b72db23d3bf89c062179c623e7751324efcf732bb6/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/66a7246aa03a4a1712f3b7b72db23d3bf89c062179c623e7751324efcf732bb6
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-24 12:40:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m2tsi2vahjfboextw63s3mr5hp4jybrbphdchz3vcmso7t3tfo3a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251224-pwhacadt2b/
Verdict:
Malicious
Tags:
botnet mirai trojan Unix.Dropper.Mirai-7135868-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_2 Mirai_Botnet_Malware Linux_Trojan_Mirai_0bce98a2
Link:
https://app.threat.zone/submission/b7dc188c-be66-4cc8-a716-9f29122bbaf4
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/66a7246aa03a4a1712f3b7b72db23d3bf89c062179c623e7751324efcf732bb6

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:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:Linux_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Mirai_0bce98a2
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Create hunting rule
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
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 66a7246aa03a4a1712f3b7b72db23d3bf89c062179c623e7751324efcf732bb6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3735507/
  
Delivery method
Distributed via web download

Comments