MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f3f3e3cf494367efc7b4b0c40af2d488dd66cc6c8bcc2e9f637e638f1d6dd4a. 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 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8f3f3e3cf494367efc7b4b0c40af2d488dd66cc6c8bcc2e9f637e638f1d6dd4a
SHA3-384 hash: 6ee28e5520bcb13a2ed4209354fba2c2476fed9950a29e801bc75d6c5774cc459a0b00e6cd9004f49452d585d5ebd045
SHA1 hash: 4023af4e19d5d345fe95390967e8533acbd37e74
MD5 hash: 1d935422962d18d255c4f78bc5539af6
humanhash: nevada-florida-pennsylvania-pip
File name:x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:63'144 bytes
First seen:2025-12-26 20:44:41 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:0/GxKpd6NOnuPxPLENj6cwbsRp+LvSdF3X2RuM:TsUNNPxzENG5bsH+ODmEM
TLSH T1C6534A17A580C0FDC8DEC2759BBE6366E533703D0279B12E27D8AE266E1DD211E6E710
telfhash t1b421f3707a1a3c90b0e7b123b74be0358c711d3614e175e2d1f269b5ea60b505ab1537
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 :
28
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/ba1152f1-0756-4faa-860f-b7f09ad1caa7/
Detection(s):
Unix.Dropper.Mirai-7540662-0
Create hunting rule

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

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/694ef3fa3f8fdbf8e952eeb5/reports/a420f5b4-2093-425b-85e9-448535d5d1bb/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/acc54782-a851-44fd-92bb-4b384f50ecf9
Behavior Graph:
Download SVG
%3 guuid=7dcae99c-1a00-0000-c45f-3de0b80a0000 pid=2744 /usr/bin/sudo guuid=6b8e819e-1a00-0000-c45f-3de0bc0a0000 pid=2748 /tmp/sample.bin guuid=7dcae99c-1a00-0000-c45f-3de0b80a0000 pid=2744->guuid=6b8e819e-1a00-0000-c45f-3de0bc0a0000 pid=2748 execve guuid=3036989e-1a00-0000-c45f-3de0bd0a0000 pid=2749 /tmp/sample.bin delete-file write-file zombie guuid=6b8e819e-1a00-0000-c45f-3de0bc0a0000 pid=2748->guuid=3036989e-1a00-0000-c45f-3de0bd0a0000 pid=2749 clone guuid=b7eed69e-1a00-0000-c45f-3de0bf0a0000 pid=2751 /tmp/sample.bin net send-data guuid=3036989e-1a00-0000-c45f-3de0bd0a0000 pid=2749->guuid=b7eed69e-1a00-0000-c45f-3de0bf0a0000 pid=2751 clone c3b039c8-d952-5b9d-abd6-09bceba667de 91.208.206.49:6970 guuid=b7eed69e-1a00-0000-c45f-3de0bf0a0000 pid=2751->c3b039c8-d952-5b9d-abd6-09bceba667de send: 24B
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/d0a875bb-c44b-4f32-85e8-e5b09aa7e4a6
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1840055
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840055 Sample: x86_64.elf Startdate: 26/12/2025 Architecture: LINUX Score: 60 23 142.171.195.145, 55944, 55946, 80 MTS-ASNCA Canada 2->23 25 91.208.206.49, 57374, 6970 ALEXHOSTMD unknown 2->25 27 Malicious sample detected (through community Yara rule) 2->27 29 Multi AV Scanner detection for submitted file 2->29 10 x86_64.elf 2->10         started        signatures3 process4 process5 12 x86_64.elf 10->12         started        signatures6 31 Sample deletes itself 12->31 15 x86_64.elf 12->15         started        process7 process8 17 x86_64.elf 15->17         started        process9 19 x86_64.elf 17->19         started        21 x86_64.elf 17->21         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8f3f3e3cf494367efc7b4b0c40af2d488dd66cc6c8bcc2e9f637e638f1d6dd4a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8f3f3e3cf494367efc7b4b0c40af2d488dd66cc6c8bcc2e9f637e638f1d6dd4a/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-26 20:45:52 UTC
File Type:
ELF64 Little (Exe)
AV detection:
9 of 36 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r47t4phusq3h57d3jmgeblznjcg5m3ggzc6mf2pwg7tdr4ow3vfa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai linux
Link:
https://tria.ge/reports/251226-zj5j8axpbr/
Behaviour
Changes its process name
Deletes itself
Malware Config
C2 Extraction:
91.208.206.49
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7540662-0
YARA:
n/a
Link:
https://app.threat.zone/submission/1cd271ab-0ad6-47fe-9819-373790c5a304
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:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Trojan_Gafgyt_0cd591cd
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_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:MatchByteSequence
Create hunting rule
Author:Generated by ChatGPT
Description:Rule to match specific byte sequence: 89 C8 C1 E8 08 31 D1 31 C8
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 8f3f3e3cf494367efc7b4b0c40af2d488dd66cc6c8bcc2e9f637e638f1d6dd4a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3744334/
  
Delivery method
Distributed via web download

Comments