MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31513e3d9edc69076a0b8cf474e1d2bb47e883fb113b44f551e54219eb20dfd8. 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: 14


Intelligence 14 IOCs YARA 9 File information Comments

SHA256 hash: 31513e3d9edc69076a0b8cf474e1d2bb47e883fb113b44f551e54219eb20dfd8
SHA3-384 hash: 15d79189109f3566d7084319d927e9998fd987ad786c0bcbd2a006f944bdb83ec188d96c236ead17ad14af849018d464
SHA1 hash: 0e2d3fbe426d1a3a0ea8ba6b62ef8f12c66f0004
MD5 hash: 4b42cb13a36244e93e2337a4a8fc6629
humanhash: freddie-uncle-four-cat
File name:zero.armv7l
Download: download sample
Signature Mirai
File size:80'132 bytes
First seen:2026-06-05 19:33:34 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:LpnTwP+ZcdMa/ukw9+9AkBiCafw+cWHgaoLmpMguHcUzVUHalw7W7uH0JsfCZCVr:CPzMQux9iAoidfvcyoLmpMguHcUzVUHz
TLSH T152730645FC819E01D4D822BEFA6E118D33A357A9E3EEB112DE115B2433CA91B0F77652
telfhash t1b7111c4acc140feabbf04706038db14a7af039faaa202926dd9f6bc702530c0300583b
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 0ca55b1d6fba8c84f2678cb7793613a228e479fc58d6c6fda157d4972b8ec10f
File size (compressed) :31'680 bytes
File size (de-compressed) :80'132 bytes
Format:linux/arm
Packed file: 0ca55b1d6fba8c84f2678cb7793613a228e479fc58d6c6fda157d4972b8ec10f

Intelligence


File Origin
# of uploads :
1
# of downloads :
50
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Sends data to a server
Receives data from a server
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
botnet obfuscated rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
27
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-06-05T16:39:00Z UTC
Last seen:
2026-06-06T22:07:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.r
Status:
terminated
Behavior Graph:
%3 guuid=bda4c5d6-1900-0000-5145-fa96c0070000 pid=1984 /usr/bin/sudo guuid=3cf4e3d8-1900-0000-5145-fa96c4070000 pid=1988 /tmp/sample.bin guuid=bda4c5d6-1900-0000-5145-fa96c0070000 pid=1984->guuid=3cf4e3d8-1900-0000-5145-fa96c4070000 pid=1988 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1923833 Sample: zero.armv7l.elf Startdate: 05/06/2026 Architecture: LINUX Score: 80 26 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->26 28 31.56.209.222, 1791, 54188 SWISSNET-ASUS Netherlands 2->28 30 4 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected Mirai 2->38 8 zero.armv7l.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 zero.armv7l.elf 8->16         started        18 zero.armv7l.elf 8->18         started        20 zero.armv7l.elf 8->20         started        process6 22 zero.armv7l.elf 16->22         started        24 zero.armv7l.elf 16->24         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-06-05 19:34:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery
Behaviour
Reads runtime system information
Modifies Watchdog functionality
Please note that we are no longer able to provide a coverage score for Virus Total.

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_8299c877
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
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
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
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 31513e3d9edc69076a0b8cf474e1d2bb47e883fb113b44f551e54219eb20dfd8

(this sample)

  
Delivery method
Distributed via web download

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