MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31c5533c45f29a87d5e940ee50ecebb921be87cb14cb62ab5c532d0ed2d1baf8. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31c5533c45f29a87d5e940ee50ecebb921be87cb14cb62ab5c532d0ed2d1baf8
SHA3-384 hash: 5a4f4ecfd321c43f13ad003e9d91f7ff1598d51bcdcc96b0e51074e6b1673bc5808861e795d2becc3e34e1da6913784a
SHA1 hash: 44a89df89b990e2afe9053de38427887ae9cc1c7
MD5 hash: 0bf648e85c59f69581b7dfb5ad5c998a
humanhash: delaware-london-sierra-july
File name:arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:132'552 bytes
First seen:2025-12-26 18:41:09 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:NG1lYT6u4RowkVyGeI5AhodB8kK6IZxnwuktDkWjDd+/QLdeg6umRD5ZB6bxfQgC:NG1lYl4RHuPdanIXjDdpYfum/z69mf
TLSH T136D32851BD829626C5E623BBFA6E028D332663E4D3DE32178D215F217BC691F0D77A40
telfhash t1ec51cf65de480abdf3d584e4ca6d013bd6a9329a570135a6c96cb7ab7d83cc2343ac13
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 :
38
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/ea200b8e-4069-497d-a52d-f150b290fb6e/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

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

Unix.Trojan.Mirai-9951087-0
Create hunting rule

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

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

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai rust
Link:
https://www.filescan.io/uploads/694ed6c9e126b9ff43927e06/reports/64f171cf-2896-4026-828f-72d2119256ef/overview
Result
Gathering data
Verdict:
Malicious
File Type:
Elf
First seen:
2025-12-26T15:13:00Z UTC
Last seen:
2025-12-26T15:13:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/31c5533c45f29a87d5e940ee50ecebb921be87cb14cb62ab5c532d0ed2d1baf8/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/80319008-fac3-4f15-9cc6-ca8d03a9b1f7
Behavior Graph:
Download SVG
%3 guuid=17f10241-1700-0000-e4c8-b065980b0000 pid=2968 /usr/bin/sudo guuid=21414643-1700-0000-e4c8-b0659e0b0000 pid=2974 /tmp/sample.bin guuid=17f10241-1700-0000-e4c8-b065980b0000 pid=2968->guuid=21414643-1700-0000-e4c8-b0659e0b0000 pid=2974 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/647d7033-4927-42e7-a5d8-53117c38a2df
Result
Threat name:
Mirai, Moobot
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1839891
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Yara detected Moobot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1839891 Sample: arm5.elf Startdate: 26/12/2025 Architecture: LINUX Score: 88 23 169.254.169.254, 80 USDOSUS Reserved 2->23 25 46.151.182.229, 1999, 60676 CRONON-ASObermuensterstr9DE Ukraine 2->25 27 3 other IPs or domains 2->27 29 Malicious sample detected (through community Yara rule) 2->29 31 Antivirus / Scanner detection for submitted sample 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 2 other signatures 2->35 7 arm5.elf 2->7         started        9 python3.8 dpkg 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 process5 15 arm5.elf 7->15         started        17 arm5.elf 7->17         started        19 arm5.elf 7->19         started        21 arm5.elf 7->21         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/31c5533c45f29a87d5e940ee50ecebb921be87cb14cb62ab5c532d0ed2d1baf8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/31c5533c45f29a87d5e940ee50ecebb921be87cb14cb62ab5c532d0ed2d1baf8/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-26 18:41:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ghcvgpcf6knipvpjidxfb3hlxeq35b6lctfwfk24kmwq5uwrxl4a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:owari
Link:
https://tria.ge/reports/251226-xdck5sspf1/
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/31c5533c45f29a87d5e940ee50ecebb921be87cb14cb62ab5c532d0ed2d1baf8

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:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 31c5533c45f29a87d5e940ee50ecebb921be87cb14cb62ab5c532d0ed2d1baf8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3743682/
  
Delivery method
Distributed via web download

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