MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 749c3ff3ecfe41da852e9e303111bec551c881e520da815d3f76540f3d7cb14a. 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: 13


Intelligence 13 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 749c3ff3ecfe41da852e9e303111bec551c881e520da815d3f76540f3d7cb14a
SHA3-384 hash: b3f92726420b7b85da9c1104ad362d0962ee647753454e7d65c06607a315fb8e1f6449f212c4dfb0a9487f626b5579da
SHA1 hash: 78a7a6df136c2137058b7aa635a5bc11d210b7ea
MD5 hash: 72317be189fe06b16f3929b0c8ded7b8
humanhash: pasta-hot-tennessee-oscar
File name:main_x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:147'832 bytes
First seen:2025-08-02 06:16:52 UTC
Last seen:2025-08-02 11:07:58 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:wCfB7JEr/FP7KIehuPw28eqWYLcqevJKUNxYOev+1jicjqLrC3j+3jf:vhSDXehJ28FevJKUoOev+19jqLrVjf
TLSH T1B2E34A0AB4D094FDC8DAC1784BAFF536E932F45C1138B15F27C4AA262F8EE205B6D651
telfhash t1f951ce712a593998f2ebe736b30ad9289c72096009f034e5ae7378e7cf527c50da5493
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 :
31
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7540662-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Locks files
Receives data from a server
Creating a file
Runs as daemon
Creating a file in the %temp% directory
Sends data to a server
Connection attempt
Traces processes
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/688dad70dc44c87d077a94f1/reports/0de75497-c01e-456b-a61c-a3bea57386d8/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
58
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/749c3ff3ecfe41da852e9e303111bec551c881e520da815d3f76540f3d7cb14a
Behaviour
Process Renaming
Anti-Debugging
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/485bfa48-154b-4616-ae8a-6568a98f7c23
Behavior Graph:
Download SVG
%3 guuid=77124374-1900-0000-123a-b21fa80b0000 pid=2984 /usr/bin/sudo guuid=1b0e3976-1900-0000-123a-b21fb10b0000 pid=2993 /tmp/sample.bin delete-file net guuid=77124374-1900-0000-123a-b21fa80b0000 pid=2984->guuid=1b0e3976-1900-0000-123a-b21fb10b0000 pid=2993 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=1b0e3976-1900-0000-123a-b21fb10b0000 pid=2993->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=a36d5576-1900-0000-123a-b21fb20b0000 pid=2994 /tmp/sample.bin dns net send-data zombie guuid=1b0e3976-1900-0000-123a-b21fb10b0000 pid=2993->guuid=a36d5576-1900-0000-123a-b21fb20b0000 pid=2994 clone guuid=a36d5576-1900-0000-123a-b21fb20b0000 pid=2994->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 90B 1b298986-c1a2-51c3-8ea4-731b8031d0c6 botnet.eu.cc:1995 guuid=a36d5576-1900-0000-123a-b21fb20b0000 pid=2994->1b298986-c1a2-51c3-8ea4-731b8031d0c6 send: 20B 4265192a-6dbc-5098-897b-e55d91a5884e 196.251.80.14:1995 guuid=a36d5576-1900-0000-123a-b21fb20b0000 pid=2994->4265192a-6dbc-5098-897b-e55d91a5884e send: 80B guuid=f1db6176-1900-0000-123a-b21fb30b0000 pid=2995 /tmp/sample.bin guuid=a36d5576-1900-0000-123a-b21fb20b0000 pid=2994->guuid=f1db6176-1900-0000-123a-b21fb30b0000 pid=2995 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8e18e946-623f-45bf-93d5-9c354a8e726f
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1748940
Signature
Antivirus / Scanner detection for submitted sample
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: 1748940 Sample: main_x86_64.elf Startdate: 02/08/2025 Architecture: LINUX Score: 68 19 109.202.202.202, 80 INIT7CH Switzerland 2->19 21 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->21 23 2 other IPs or domains 2->23 25 Malicious sample detected (through community Yara rule) 2->25 27 Antivirus / Scanner detection for submitted sample 2->27 29 Multi AV Scanner detection for submitted file 2->29 8 main_x86_64.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 signatures5 31 Sample deletes itself 8->31 15 main_x86_64.elf 8->15         started        process6 process7 17 main_x86_64.elf 15->17         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/749c3ff3ecfe41da852e9e303111bec551c881e520da815d3f76540f3d7cb14a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/749c3ff3ecfe41da852e9e303111bec551c881e520da815d3f76540f3d7cb14a/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/749c3ff3ecfe41da852e9e303111bec551c881e520da815d3f76540f3d7cb14a
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-02 05:48:41 UTC
File Type:
ELF64 Little (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=osod747m7za5vbjotyydcen6yvi4rapfednicxj7ozka6pl4wffa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai credential_access discovery linux
Link:
https://tria.ge/reports/250802-g1191sylw3/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads process memory
Enumerates running processes
Deletes itself
Traces itself
Malware Config
C2 Extraction:
botnet.eu.cc
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Dropper.Mirai-7540662-0
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_e0cf29e2
Link:
https://app.threat.zone/submission/7c2902cc-1596-40e6-a19e-7f707003ea60
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/749c3ff3ecfe41da852e9e303111bec551c881e520da815d3f76540f3d7cb14a

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_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
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: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 749c3ff3ecfe41da852e9e303111bec551c881e520da815d3f76540f3d7cb14a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3593398/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments