MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c51d5b8dad461711efd48b1d65b12b3367b90ddb90d145e13a95e90dbe425ce3. 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 15 File information Comments

SHA256 hash: c51d5b8dad461711efd48b1d65b12b3367b90ddb90d145e13a95e90dbe425ce3
SHA3-384 hash: bdec8c302ecee5d8bfbcc8aa94c209a82204e01093656ce1bb6d61d56ef4d1233fa6b47d3d8cdc52bcb7c6f1a29d51ce
SHA1 hash: dd25e3f8c62a9ccfd923fa8a8a72e266a7a61ca5
MD5 hash: 9ca90863294287155df08fd807f14dd4
humanhash: twenty-idaho-victor-arizona
File name:sys_x86_64
Download: download sample
Signature Mirai
File size:144'392 bytes
First seen:2026-02-13 08:59:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:EYF4IyQ1s68z7fkg+QPLGZBm+MQw6HR+mGblf1e/vZCcE3qcu3HEy:EVIxC68zQgTABmI5HR+Xf1e/vZCbzSX
TLSH T186E308077A8189FFC497D1F44BEBA5369D32FC3E0935B19A6794FD911E19EA02E1C220
telfhash t16951ba7139962d80e1f7f735b346e9a894791a2204e171e69fb22ce6df563c00c768b3
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 70264b85ffe4dedb9497619c812d5d34196fb49f2c2358587b0224c9dc98fb45
File size (compressed) :58'068 bytes
File size (de-compressed) :144'392 bytes
Format:linux/amd64
Packed file: 70264b85ffe4dedb9497619c812d5d34196fb49f2c2358587b0224c9dc98fb45

Intelligence


File Origin
# of uploads :
1
# of downloads :
61
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm anti-vm bash expand gcc lolbin
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Anti-VM
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=1d6430b1-1f00-0000-00a8-64dd000a0000 pid=2560 /usr/bin/sudo guuid=0a7455b3-1f00-0000-00a8-64dd060a0000 pid=2566 /tmp/sample.bin guuid=1d6430b1-1f00-0000-00a8-64dd000a0000 pid=2560->guuid=0a7455b3-1f00-0000-00a8-64dd060a0000 pid=2566 execve
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-02-13 09:10:49 UTC
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery linux
Behaviour
Reads runtime system information
Checks CPU configuration
Enumerates running processes
Reads MAC address of network interface
Traces itself
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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Author:Elastic Security
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 c51d5b8dad461711efd48b1d65b12b3367b90ddb90d145e13a95e90dbe425ce3

(this sample)

  
Delivery method
Distributed via web download

Comments