MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31fb253a13c2cddc66480f4cd3a44c793434d2d29d868bd03ed00b2a4df9a944. 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: 9


Intelligence 9 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31fb253a13c2cddc66480f4cd3a44c793434d2d29d868bd03ed00b2a4df9a944
SHA3-384 hash: b14f2f56bac01e278ddde149fce1c6826b263872f3352fcc85f0885be3b81f115315f48c33b38c22cdfd896827b0d9b8
SHA1 hash: 70134c0bd89139d6ca648e4accec322186525473
MD5 hash: 6e69e6d7a82b2596b7691e74b07219cc
humanhash: beryllium-dakota-equal-music
File name:x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:46'336 bytes
First seen:2025-12-29 00:42:36 UTC
Last seen:2025-12-29 03:38:16 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:v2aJNyog4eOOw+TFRCRNb3aaVgdmpv9OCurAF9GZda8oie4tpdP4CcysQTbps:5JIoxeOOPhRCRNb3TVgwpVOgFQZEipd+
TLSH T1CA23E807F54285FDC84AC274076BB93A9C3275FD1239B2E63BE0EB222D96E215D1DC49
telfhash t1e411cb2338365ea0f1cbf065a302d5590a395a3412e075f7e1b179ff9b14b830a78c2b
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 :
2
# of downloads :
38
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/9333fefd-27bd-468c-bd7d-0a822340ee56/
Detection(s):
Sanesecurity.Malware.28880.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

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

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

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

Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c7eb0ae0-da3a-476c-9c21-78b642910d33
Behavior Graph:
Download SVG
%3 guuid=ada4e81d-1f00-0000-1490-e979840b0000 pid=2948 /usr/bin/sudo guuid=43b45621-1f00-0000-1490-e979880b0000 pid=2952 /tmp/sample.bin net guuid=ada4e81d-1f00-0000-1490-e979840b0000 pid=2948->guuid=43b45621-1f00-0000-1490-e979880b0000 pid=2952 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=43b45621-1f00-0000-1490-e979880b0000 pid=2952->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=3e5e9e21-1f00-0000-1490-e979890b0000 pid=2953 /tmp/sample.bin dns net send-data zombie guuid=43b45621-1f00-0000-1490-e979880b0000 pid=2952->guuid=3e5e9e21-1f00-0000-1490-e979890b0000 pid=2953 clone guuid=3e5e9e21-1f00-0000-1490-e979890b0000 pid=2953->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 2046B aff45056-2d56-5a3b-b63a-beeaee02fed0 oxycodone.email:56999 guuid=3e5e9e21-1f00-0000-1490-e979890b0000 pid=2953->aff45056-2d56-5a3b-b63a-beeaee02fed0 send: 310B guuid=1e7db621-1f00-0000-1490-e9798a0b0000 pid=2954 /tmp/sample.bin guuid=3e5e9e21-1f00-0000-1490-e979890b0000 pid=2953->guuid=1e7db621-1f00-0000-1490-e9798a0b0000 pid=2954 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/44cbfbab-6919-4391-bd06-a889bfab45ef
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1841058
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1841058 Sample: x86_64.elf Startdate: 29/12/2025 Architecture: LINUX Score: 56 14 oxycodone.email 45.153.34.199, 47248, 47250, 47252 SKYLINKNL Germany 2->14 16 Malicious sample detected (through community Yara rule) 2->16 18 Multi AV Scanner detection for submitted file 2->18 8 x86_64.elf 2->8         started        signatures3 process4 process5 10 x86_64.elf 8->10         started        process6 12 x86_64.elf 10->12         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/31fb253a13c2cddc66480f4cd3a44c793434d2d29d868bd03ed00b2a4df9a944
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/31fb253a13c2cddc66480f4cd3a44c793434d2d29d868bd03ed00b2a4df9a944/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-29 00:43:21 UTC
File Type:
ELF64 Little (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gh5skoqtylg5yzsib5gnhjcmpe2djuwstwdixub62afsutpzvfca._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai credential_access discovery linux
Link:
https://tria.ge/reports/251229-a22hvafx6e/
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Enumerates running processes
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-9441505-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Mirai_1e0c5ce0 Linux_Trojan_Mirai_520deeb8 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_01e4a728 Linux_Trojan_Mirai_e0cf29e2 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/a4f0d134-c7b4-4a8e-8a02-61e26da4db79
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/31fb253a13c2cddc66480f4cd3a44c793434d2d29d868bd03ed00b2a4df9a944

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_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_1e0c5ce0
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
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 31fb253a13c2cddc66480f4cd3a44c793434d2d29d868bd03ed00b2a4df9a944

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3745083/
  
Delivery method
Distributed via web download

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