MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 765facbfb234525d97cda2ba078e96ea7cb915bbb3232d4bf664463d7efad22a. 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: 11


Intelligence 11 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 765facbfb234525d97cda2ba078e96ea7cb915bbb3232d4bf664463d7efad22a
SHA3-384 hash: 744d7a08571b1f5ffea4b2b99dded65380d78959ba5c65909418239ab0845c41f2d3c09797a52ad59cdfe8b8195bbcf8
SHA1 hash: 08733d095d02bcf29198f35c61ecf65434c2b2b6
MD5 hash: 43d2a22ea89f9feba808cb8b4c6eacb0
humanhash: princess-quiet-nitrogen-muppet
File name:x86
Download: download sample
Signature Mirai
Create hunting rule
File size:75'028 bytes
First seen:2025-11-29 04:06:39 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:+xWcbX4vYlTWOvtOOc4/72D2CYVNhXdCo0ZEa:+kckvhOvtOP4CDLMddna
TLSH T185736CC5FA83D4F6E81205351277AB379AB3E53E2168CF83C379A676EC13502E91625C
telfhash t11031d4fb0abe0ceca7d0a940c31b5e51291ee77714a037b60563993423abdd3507ac78
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 fd7d5e22247f11b8500449cab94762731059e68e8aba1bafb84f8325d9e601d2
File size (compressed) :37'820 bytes
File size (de-compressed) :75'028 bytes
Format:linux/i386
Packed file: fd7d5e22247f11b8500449cab94762731059e68e8aba1bafb84f8325d9e601d2

Intelligence

File Origin
# of uploads :
1
# of downloads :
42
Origin country :
NL NL
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/6ad1b220-dc29-4d3a-b679-73ebdee2112c/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-14.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-29T02:30:00Z UTC
Last seen:
2025-11-29T13:42:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/765facbfb234525d97cda2ba078e96ea7cb915bbb3232d4bf664463d7efad22a/results?tab=lookup
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1822670
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1822670 Sample: x86.elf Startdate: 29/11/2025 Architecture: LINUX Score: 68 22 teamc2.duckdns.org 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 2 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 8 x86.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Uses dynamic DNS services 22->34 process4 process5 12 x86.elf 8->12         started        14 x86.elf 8->14         started        16 x86.elf 8->16         started        process6 18 x86.elf 12->18         started        20 x86.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/765facbfb234525d97cda2ba078e96ea7cb915bbb3232d4bf664463d7efad22a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/765facbfb234525d97cda2ba078e96ea7cb915bbb3232d4bf664463d7efad22a/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-29 04:07:30 UTC
File Type:
ELF32 Little (Exe)
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ozp2zp5sgrjf3f6nuk5apduw5j6lsfn3wmrs2s7wmrdd27x22iva._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/251129-epvxradx8e/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_93fc3657 Linux_Trojan_Mirai_804f8e7c Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_a68e498c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/604c9300-6475-4378-951d-6d6a861430c6
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/765facbfb234525d97cda2ba078e96ea7cb915bbb3232d4bf664463d7efad22a

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_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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

sh bd48fb3dd067a827d6ea8ea03dccb6b9e2d48ff5d014d4ba2e8a7cb32fd25f9b

Mirai

elf fd7d5e22247f11b8500449cab94762731059e68e8aba1bafb84f8325d9e601d2

Mirai

elf 765facbfb234525d97cda2ba078e96ea7cb915bbb3232d4bf664463d7efad22a

(this sample)

  
Dropped by
SHA256 fd7d5e22247f11b8500449cab94762731059e68e8aba1bafb84f8325d9e601d2
  
URLhaus
https://urlhaus.abuse.ch/url/3719326/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 f6e75e6b5e58fd3381a0e41296038e8b

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