MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a30fd23b4cbadc18606d76eb2e40547040190617af0230d9c4ff7d97bd931fe. 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: 8


Intelligence 8 IOCs YARA 8 File information Comments

SHA256 hash: 4a30fd23b4cbadc18606d76eb2e40547040190617af0230d9c4ff7d97bd931fe
SHA3-384 hash: e60fd31c77b0c7ebc4f21282a288bdbf832752b43b0e1fcff0f89a75cbe49e7b6bf3e1c14c43cc528ea2b4134902858f
SHA1 hash: aa1538e1482f46766eac029c0b084fb12e592bbd
MD5 hash: 5b96e75b369e18607c6db129a66f896a
humanhash: quiet-crazy-friend-mockingbird
File name:bin.i586
Download: download sample
Signature Mirai
File size:188'900 bytes
First seen:2025-12-23 21:09:45 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:nfmM6+/g5eOSSSvk4sOmdc6AIFX3PElOxi32KpzyPN7GE/elpGe:nxk5eOLLgIFhA32OuFT/sGe
TLSH T11904F842EA43DEB3E55310F202B787310E71ED7A6C66D542E3BCBCB4A9615D1A60A37C
telfhash t11f9148b5bfb209dcb7d0d902d24e5721dd1cd53b745079ba0af22a9837b2b026276c39
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 :
34
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Gathering data
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Deletes system log files
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Reads system files that contain records of logged in users
Sample deletes itself
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1838496 Sample: bin.i586.elf Startdate: 23/12/2025 Architecture: LINUX Score: 100 31 api.znet.homes 45.32.211.159, 33342, 51515 AS-CHOOPAUS United States 2->31 33 54.171.230.55, 37902, 443 AMAZON-02US United States 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected Gafgyt 2->39 41 Yara detected Mirai 2->41 10 bin.i586.elf 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 process4 process5 16 bin.i586.elf 10->16         started        process6 18 bin.i586.elf 16->18         started        process7 20 bin.i586.elf 18->20         started        process8 22 bin.i586.elf 20->22         started        25 bin.i586.elf 20->25         started        27 bin.i586.elf 20->27         started        29 3 other processes 20->29 signatures9 43 Sample deletes itself 22->43 45 Reads system files that contain records of logged in users 22->45 47 Manipulation of devices in /dev 25->47 49 Deletes system log files 25->49
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-23 21:10:18 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery linux
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes Audit logs
Deletes itself
Deletes journal logs
Deletes system logs
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
botnet mirai trojan gafgyt Unix.Dropper.Mirai-7136105-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1 Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_aa39fb02
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:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
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_Gafgyt_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_aa39fb02
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Author:Florian Roth
Description:Detects ELF Mirai variant
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 4a30fd23b4cbadc18606d76eb2e40547040190617af0230d9c4ff7d97bd931fe

(this sample)

  
Delivery method
Distributed via web download

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