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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b145b5bb3cf0182180e926335f6cf62f00b0524a4d0bf0158ea6136d34d5fe89. 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 14 File information Comments

SHA256 hash: b145b5bb3cf0182180e926335f6cf62f00b0524a4d0bf0158ea6136d34d5fe89
SHA3-384 hash: 8bcf885ad7e3aa510a57c14fb300d7dc8e9ba1460914e4b66fe26f381534cf694ad13ed5db775fb6a4d36fc3f84aad75
SHA1 hash: 0462758f5399935cd9a5d313262478b7e5f372e6
MD5 hash: ff3e70cd00a2ee654aa8e5fc495be69b
humanhash: avocado-music-asparagus-saturn
File name:bot.arm64
Download: download sample
Signature Mirai
File size:1'098'280 bytes
First seen:2026-09-22 04:09:19 UTC
Last seen:2026-09-22 06:20:08 UTC
File type: elf
MIME type:application/x-executable
ssdeep 12288:KXy0TQt6F25ff/dG+ND7zeM7wuxReOoF7UxLjALY2ga56i6vGrkSL6JwbMQe8qwi:lm+dRD7zjRqW0Y2JgGwK6JwbM8qwy4
TLSH T134356B5DFE1F7D47C2C6E23DEB4982B57127B098C62310A325C2034DE6C9D998F6299A
telfhash t149a012020880810c0177ab114c95034910414833e81a3d551e0cda400410008034886a
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 gafgyt mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
66
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Connection attempt
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm anti-vm base64 gcc
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-09-22T02:42:00Z UTC
Last seen:
2026-09-22T15:08:00Z UTC
Hits:
~100
Status:
terminated
Behavior Graph:
%3 guuid=8b5b4c27-1e00-0000-6f93-1a90e7080000 pid=2279 /usr/bin/sudo guuid=a698e02d-1e00-0000-6f93-1a90eb080000 pid=2283 /tmp/sample.bin guuid=8b5b4c27-1e00-0000-6f93-1a90e7080000 pid=2279->guuid=a698e02d-1e00-0000-6f93-1a90eb080000 pid=2283 execve guuid=d0f6d531-1e00-0000-6f93-1a90f3080000 pid=2291 /usr/bin/dash zombie guuid=a698e02d-1e00-0000-6f93-1a90eb080000 pid=2283->guuid=d0f6d531-1e00-0000-6f93-1a90f3080000 pid=2291 clone guuid=9b45dc31-1e00-0000-6f93-1a90f4080000 pid=2292 /usr/bin/dash guuid=a698e02d-1e00-0000-6f93-1a90eb080000 pid=2283->guuid=9b45dc31-1e00-0000-6f93-1a90f4080000 pid=2292 clone
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2026-09-22 04:10:25 UTC
File Type:
ELF64 Little (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:Hunt_DVR_Exploit_CommandInjection
Author:Serhii Kocherhan
Description:Detects common shell command injection signatures and payloads associated with DVR/NVR exploitation
Rule name:iot_req_metachar
Rule name:ldpreload
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:malwareelf55503
Rule name:MIRAI_OHSHIT_payload
Author:AfterPacket
Description:MIRAI_OHSHIT ELF payload -- compiled-in C2 set, all architectures
Reference:https://github.com/Afterpacket/drosera-threat-intel
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:test_rule_vldslv
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
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf b145b5bb3cf0182180e926335f6cf62f00b0524a4d0bf0158ea6136d34d5fe89

(this sample)

Comments