MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81755282bb9bd9bf3fa1028531dff49a7d5b2c6535e800e24b727411492dd34e. 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 28 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81755282bb9bd9bf3fa1028531dff49a7d5b2c6535e800e24b727411492dd34e
SHA3-384 hash: 1093b80e503367aa5048b53065f6c87954ae3c7677cd06315e3568daeccef083f0445e9f70eb2ec37e9999a9215401fa
SHA1 hash: 967217885a25debb1f84cc3c817fbf252d7e736d
MD5 hash: c763fefc99cd236d76c09a69599f2be4
humanhash: illinois-network-friend-orange
File name:x-8.6-.Sakura
Download: download sample
Signature Mirai
Create hunting rule
File size:94'679 bytes
First seen:2026-06-05 13:28:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:W7uJtxNeVE8zV7aDlvhE1hmkJ0S36W6bWjK3oyPXfH0mA+KWOXFseaZYxe:4SsVEeVMlpmXJ0O6WpjKYifUm/KWOXFE
TLSH T1A9935D27B552C6BBC08752B42BDFEA615833B4BC0B32720B33D47DA52B259D91E6DB01
telfhash t1d211020260b689282bb259205cbc42f1165526233341be75bf0ec5c4993b002aa78e8b
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 :
48
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Siggen.2205.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7138865-0
Create hunting rule

Unix.Dropper.Mirai-7138907-0
Create hunting rule

Unix.Dropper.Mirai-7139232-0
Create hunting rule

Unix.Dropper.Mirai-7540662-0
Create hunting rule

Unix.Trojan.Gafgyt-7643791-0
Create hunting rule

Unix.Trojan.Mirai-9943729-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Sends data to a server
Receives data from a server
Connection attempt
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-06-05T10:34:00Z UTC
Last seen:
2026-06-05T23:43:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Gafgyt.cw HEUR:Backdoor.Linux.Gafgyt.cq HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/81755282bb9bd9bf3fa1028531dff49a7d5b2c6535e800e24b727411492dd34e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/8c3ba0b8-5f5c-4648-89fe-4baf3bfb295a
Behavior Graph:
Download SVG
%3 guuid=299fa6b7-1a00-0000-6906-e21d790a0000 pid=2681 /usr/bin/sudo guuid=5ed298ba-1a00-0000-6906-e21d810a0000 pid=2689 /tmp/sample.bin net guuid=299fa6b7-1a00-0000-6906-e21d790a0000 pid=2681->guuid=5ed298ba-1a00-0000-6906-e21d810a0000 pid=2689 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=5ed298ba-1a00-0000-6906-e21d810a0000 pid=2689->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=d146f2ba-1a00-0000-6906-e21d820a0000 pid=2690 /tmp/sample.bin guuid=5ed298ba-1a00-0000-6906-e21d810a0000 pid=2689->guuid=d146f2ba-1a00-0000-6906-e21d820a0000 pid=2690 clone guuid=e5fcf9ba-1a00-0000-6906-e21d840a0000 pid=2692 /tmp/sample.bin net send-data zombie guuid=d146f2ba-1a00-0000-6906-e21d820a0000 pid=2690->guuid=e5fcf9ba-1a00-0000-6906-e21d840a0000 pid=2692 clone a0238b33-7601-588a-bba9-974ab4ab49a6 176.65.139.151:12345 guuid=e5fcf9ba-1a00-0000-6906-e21d840a0000 pid=2692->a0238b33-7601-588a-bba9-974ab4ab49a6 send: 65B
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e5090241-7250-403b-a8c0-c62a572508c7
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/81755282bb9bd9bf3fa1028531dff49a7d5b2c6535e800e24b727411492dd34e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81755282bb9bd9bf3fa1028531dff49a7d5b2c6535e800e24b727411492dd34e/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/81755282bb9bd9bf3fa1028531dff49a7d5b2c6535e800e24b727411492dd34e
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-06-05 11:25:49 UTC
File Type:
ELF64 Little (Exe)
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qf2vfav3tpm36p5bakctdx7utj6vwldfgxuabysloj2bcsjn2nha._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt botnet discovery linux
Link:
https://tria.ge/reports/260605-qrejbsh19n/
Behaviour
Reads system network configuration
Reads system routing table
Malware Config
C2 Extraction:
176.65.139.151:12345
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/81755282bb9bd9bf3fa1028531dff49a7d5b2c6535e800e24b727411492dd34e

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:botnet_dayzddos
Create hunting rule
Author:NDA0E
Description:dayzddos botnet
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Gafgyt_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_09c3070e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_32eb0c81
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_779e142f
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_a0a4de11
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a6a2adb9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_cf84c9f2
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_Gafgyt_dd0d6173
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_e4a1982b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_f3d83a74
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 81755282bb9bd9bf3fa1028531dff49a7d5b2c6535e800e24b727411492dd34e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3859275/
  
Delivery method
Distributed via web download

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