MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81a6b7afc8b8eee0301fe884359a05db347e09b8545bf2e3a2be4a9bde9edae5. 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: 5


Intelligence 5 IOCs YARA 6 File information Comments

SHA256 hash: 81a6b7afc8b8eee0301fe884359a05db347e09b8545bf2e3a2be4a9bde9edae5
SHA3-384 hash: 6c4eadada92f07c54af1d5585569c73c9198778c9f164d64c4374c555d9119a30ca4333259d88490f5f5018a28c0a617
SHA1 hash: ab2386c98da1d0a8870f03e744c9201c96b92ec8
MD5 hash: d814825f36a1c768f72c47621caa396b
humanhash: failed-delta-uncle-potato
File name:bot.arm7
Download: download sample
Signature Mirai
File size:525'704 bytes
First seen:2026-08-13 23:02:01 UTC
Last seen:2026-08-14 12:05:17 UTC
File type: elf
MIME type:application/x-executable
ssdeep 12288:xNTGJM3a9gbqoDWZcI/rX6nVf30Gbk6FHuADJyQEg7n3gpCFGHI:xVfEGLHuAREP
TLSH T16EB4E086F7472F42C8D7D9391847C1459A59E56763F383097F43A8BB38292B24F3878A
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
41
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Opens a port
Connection attempt
Runs as daemon
Receives data from a server
Sends data to a server
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
expand gcc lolbin masquerade
Verdict:
Unknown
File Type:
elf.32.le
First seen:
2026-08-13T20:21:00Z UTC
Last seen:
2026-08-14T02:22:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=3e8c6e6b-1a00-0000-a809-8d1574080000 pid=2164 /usr/bin/sudo guuid=7ef2436e-1a00-0000-a809-8d157a080000 pid=2170 /tmp/sample.bin guuid=3e8c6e6b-1a00-0000-a809-8d1574080000 pid=2164->guuid=7ef2436e-1a00-0000-a809-8d157a080000 pid=2170 execve
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion
Behaviour
Modifies Watchdog functionality
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:malwareelf55503
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 81a6b7afc8b8eee0301fe884359a05db347e09b8545bf2e3a2be4a9bde9edae5

(this sample)

  
Delivery method
Distributed via web download

Comments