MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a830d0a385366de3f9929b41c9d2c26444286caa51b9b83360a54b55bc52b0dd. 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: 8


Intelligence 8 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a830d0a385366de3f9929b41c9d2c26444286caa51b9b83360a54b55bc52b0dd
SHA3-384 hash: 9958976ff7fdcbd2ee27766b714a3b579745ddfbe58e3c877c37a45cbd9335add64d374d1067c6f4b2f64570ea13dad0
SHA1 hash: da5762937c54d4f0e7f19552d56ee7a960821f5c
MD5 hash: f0841290c048463916aad4e83a7e51bb
humanhash: summer-aspen-sixteen-hamper
File name:morte.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:121'740 bytes
First seen:2025-12-03 08:15:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:JkLi8ceCRfG4Bg+npugQvCMsz0tspUzsnsPKyjuGlG+j9XQuBGzoAqg3vK2v:Jai8c24T0W1nsy3v+j6uBnXkK2v
TLSH T126C33942B8828A23C6C713B6F66E61CD372123E5E3DE7207CD259F21379661F0D6BA51
telfhash t1e561119bef942f8c6fd984a882596426eafc30dd071814969e2ca31f5d92dd1b43cc27
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 646f7dbeca021e36075eda4a2a1728e39f70d07416f488167aa9e6b92ee5a868
File size (compressed) :46'124 bytes
File size (de-compressed) :121'740 bytes
Format:linux/arm
Packed file: 646f7dbeca021e36075eda4a2a1728e39f70d07416f488167aa9e6b92ee5a868

Intelligence

File Origin
# of uploads :
1
# of downloads :
31
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10058414-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai obfuscated rust
Link:
https://www.filescan.io/uploads/692ff1d037f663155c35e408/reports/2b2da46e-bf4e-48b5-8442-be1d21e0e081/overview
Result
Gathering data
Gathering data
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1825172
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Drops files in suspicious directories
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
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: 1825172 Sample: morte.arm.elf Startdate: 03/12/2025 Architecture: LINUX Score: 92 49 169.254.169.254, 80 USDOSUS Reserved 2->49 51 109.202.202.202, 80 INIT7CH Switzerland 2->51 53 4 other IPs or domains 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus / Scanner detection for submitted sample 2->57 59 Multi AV Scanner detection for submitted file 2->59 61 Yara detected Mirai 2->61 10 morte.arm.elf 2->10         started        12 xfce4-session xfce4-panel 2->12         started        14 python3.8 gdbus 2->14         started        16 6 other processes 2->16 signatures3 process4 process5 18 morte.arm.elf 10->18         started        20 xfce4-panel wrapper-2.0 12->20         started        22 xfce4-panel wrapper-2.0 12->22         started        24 xfce4-panel wrapper-2.0 12->24         started        26 9 other processes 12->26 process6 28 morte.arm.elf 18->28         started        32 wrapper-2.0 xfpm-power-backlight-helper 20->32         started        34 wrapper-2.0 xfpm-power-backlight-helper 22->34         started        file7 47 /etc/init.d/sysd, POSIX 28->47 dropped 67 Sample tries to set files in /etc globally writable 28->67 69 Drops files in suspicious directories 28->69 71 Sample tries to persist itself using System V runlevels 28->71 36 morte.arm.elf 28->36         started        38 morte.arm.elf sh 28->38         started        signatures8 process9 process10 40 morte.arm.elf 36->40         started        43 morte.arm.elf 36->43         started        45 sh cp 38->45         started        signatures11 63 Deletes system log files 40->63 65 Sample tries to kill multiple processes (SIGKILL) 43->65
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a830d0a385366de3f9929b41c9d2c26444286caa51b9b83360a54b55bc52b0dd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a830d0a385366de3f9929b41c9d2c26444286caa51b9b83360a54b55bc52b0dd/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-03 08:16:18 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vaynbi4fgzw6h6mstna4tuwcmrccq3fkkg43qm3auvfvlpcswdoq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd
Link:
https://tria.ge/reports/251203-j594tsgr8y/
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/a830d0a385366de3f9929b41c9d2c26444286caa51b9b83360a54b55bc52b0dd

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
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 646f7dbeca021e36075eda4a2a1728e39f70d07416f488167aa9e6b92ee5a868

Mirai

elf a830d0a385366de3f9929b41c9d2c26444286caa51b9b83360a54b55bc52b0dd

(this sample)

  
Dropped by
SHA256 646f7dbeca021e36075eda4a2a1728e39f70d07416f488167aa9e6b92ee5a868
  
URLhaus
https://urlhaus.abuse.ch/url/3720251/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 bfc4515f69b276a893b17890e09c365e
  
URLhaus
https://urlhaus.abuse.ch/url/3720209/

Comments