MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81e1976736010ba15ce5b28ea39f8038fe56f82b8540ed68908dc0a56ade90b1. 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 4 File information Comments

SHA256 hash: 81e1976736010ba15ce5b28ea39f8038fe56f82b8540ed68908dc0a56ade90b1
SHA3-384 hash: 0889f24711c7f78dce75481e627ade73d049940c8f9ba7b6c0ec3ccf4da2958e514ceaa6d786fc8b22d75348aae1418d
SHA1 hash: fe1c77afacc6bf77f91c58dbe05304323a2c9a4e
MD5 hash: 35dbc0b7ea078c4df23fca70fd888e70
humanhash: august-alabama-eight-victor
File name:bin.mips
Download: download sample
Signature Mirai
File size:304'652 bytes
First seen:2025-12-24 00:35:05 UTC
Last seen:2025-12-24 11:35:18 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:MILlMEl/9nUy+MtLy58TrMJ/VSwwsfFqjeI:z9nUIJjrqojeI
TLSH T1FA54891A3E22DF7FF66D867047B78930569876D62AE1D584F16CE60C1F2028E241F7E8
telfhash t1b9519118097817e4a2655c9d499cff7ad6a330df7e162c338e50e46ee76ab839d11c0c
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence


File Origin
# of uploads :
3
# of downloads :
74
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
exploit gafgyt gcc masquerade mirai
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-23T18:43:00Z UTC
Last seen:
2025-12-23T19:08:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=223205c2-1600-0000-5ee1-f5d69e0d0000 pid=3486 /usr/bin/sudo guuid=06e76dc4-1600-0000-5ee1-f5d6a00d0000 pid=3488 /tmp/sample.bin guuid=223205c2-1600-0000-5ee1-f5d69e0d0000 pid=3486->guuid=06e76dc4-1600-0000-5ee1-f5d6a00d0000 pid=3488 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1838571 Sample: bin.mips.elf Startdate: 24/12/2025 Architecture: LINUX Score: 88 18 109.202.202.202, 80 INIT7CH Switzerland 2->18 20 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->20 22 91.189.91.43, 443 CANONICAL-ASGB United Kingdom 2->22 24 Antivirus / Scanner detection for submitted sample 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Gafgyt 2->28 30 Yara detected Mirai 2->30 8 bin.mips.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 bin.mips.elf 8->14         started        process6 16 bin.mips.elf 14->16         started       
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-12-24 00:28:13 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Deletes log files
Enumerates running processes
Deletes Audit logs
Deletes itself
Deletes system logs
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136105-0
YARA:
n/a
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: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 81e1976736010ba15ce5b28ea39f8038fe56f82b8540ed68908dc0a56ade90b1

(this sample)

  
Delivery method
Distributed via web download

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