MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04c83d0aa0ba32540f08765138177cca0c6a70bd33eb93b30e735fe220501e15. 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 14 File information Comments

SHA256 hash: 04c83d0aa0ba32540f08765138177cca0c6a70bd33eb93b30e735fe220501e15
SHA3-384 hash: d5e0a26abde50ea47808d005687da2f3579f7e12c9d8f04a5ac2cfa471c2b3fa99c5301325eb6dfdbe9c4b84c25851b1
SHA1 hash: 5a6e65e89fe1c22aacbb94dbf5743b96f7448b87
MD5 hash: c5abf9e5261d01ceeade4ad27c8ea33a
humanhash: may-river-georgia-robin
File name:i686
Download: download sample
Signature Mirai
File size:99'700 bytes
First seen:2025-12-04 00:11:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:glNRGAn9DQJppFLsaECeXMngxpPDr2KZupAWTaacBSm3orQx6Z73Md0Z:gll8JpDLsaECeXMnaJ/a+acBSm4rQ5w
TLSH T12CA33980FA87C1F6D91B883050A2B33FCB32D9A540719B9DEF5A9F35DA77901D613298
telfhash t1f03127b616754de8a7d05801f24d97606d0deb3b6164a7b306b3683532afc8283bbc3d
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 31fd267b8f0f047bd82e3cd6a3855e3fe8440fcc4abe1707c6fe72ec975150db
File size (compressed) :43'936 bytes
File size (de-compressed) :99'700 bytes
Format:linux/i386
Packed file: 31fd267b8f0f047bd82e3cd6a3855e3fe8440fcc4abe1707c6fe72ec975150db

Intelligence


File Origin
# of uploads :
1
# of downloads :
24
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
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Changes access rights for a written file
Sets a written file as executable
Runs as daemon
Receives data from a server
Creating a file
Opens a port
Changes access rights for a file
Deleting a recently created file
Sends data to a server
Launching a process
Removes directories
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated
Result
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Deletes system log files
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1825970 Sample: i686.elf Startdate: 04/12/2025 Architecture: LINUX Score: 80 34 151.242.30.13, 12121, 42432, 42434 RASANAIR Iran (ISLAMIC Republic Of) 2->34 36 daisy.ubuntu.com 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for dropped file 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 Multi AV Scanner detection for submitted file 2->44 8 i686.elf 2->8         started        11 python3.8 dpkg 2->11         started        signatures3 process4 file5 32 /usr/local/bin/infinitd, ELF 8->32 dropped 13 i686.elf 8->13         started        15 i686.elf 8->15         started        17 i686.elf sh 8->17         started        19 3 other processes 8->19 process6 process7 21 i686.elf 13->21         started        24 i686.elf 15->24         started        26 i686.elf 15->26         started        28 sh 17->28         started        30 sh 19->30         started        signatures8 46 Manipulation of devices in /dev 21->46 48 Deletes system log files 21->48
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-04 00:12:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux persistence privilege_escalation
Behaviour
Reads runtime system information
Enumerates running processes
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Deletes Audit logs
Deletes journal logs
Deletes system logs
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
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_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Mirai_0cb1699c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_7d05725e
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
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
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
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 04c83d0aa0ba32540f08765138177cca0c6a70bd33eb93b30e735fe220501e15

(this sample)

  
Delivery method
Distributed via web download

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