MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82b51c89a459fe15006f48974fd90fbc9641d2e33dfa10095374535edcfebcd7. 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 5 File information Comments

SHA256 hash: 82b51c89a459fe15006f48974fd90fbc9641d2e33dfa10095374535edcfebcd7
SHA3-384 hash: 32a37ef77c21441e3d725e3e1bda2ef5d56e0dc0bd84d2f901a706f21b1bf824368a0deaf114d271525a91b8113693a6
SHA1 hash: 119f9053646534e417c5b329869d9806ae572374
MD5 hash: f678402ed5bbb36384a9ed5c2ed00163
humanhash: purple-muppet-east-india
File name:zerx86
Download: download sample
Signature Mirai
File size:46'012 bytes
First seen:2025-12-29 14:56:10 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:PQHAUpGpiSoHh3xVS+BuxWE+H3GZb8N9EtT7JbBQaufHlHh:PQHAUpGpiSoHcAzE+H368N+tX5BQRflH
TLSH T192234BC49643E8F8DC0A0AF42577F7325A31F4791079EADBE364DA33B9A2740D55628C
telfhash t1e211e7eb1eb248f9b3e86c08c71a67d51a76e513016127a864731cc953e2dc1d039c3e
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 :
42
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-29T14:07:00Z UTC
Last seen:
2025-12-30T00:45:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=ecf108f4-1800-0000-f0ac-bc810c130000 pid=4876 /usr/bin/sudo guuid=714b62f6-1800-0000-f0ac-bc8117130000 pid=4887 /tmp/sample.bin net guuid=ecf108f4-1800-0000-f0ac-bc810c130000 pid=4876->guuid=714b62f6-1800-0000-f0ac-bc8117130000 pid=4887 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=714b62f6-1800-0000-f0ac-bc8117130000 pid=4887->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=fa6a96f6-1800-0000-f0ac-bc8118130000 pid=4888 /tmp/. dns net send-data zombie guuid=714b62f6-1800-0000-f0ac-bc8117130000 pid=4887->guuid=fa6a96f6-1800-0000-f0ac-bc8118130000 pid=4888 clone guuid=fa6a96f6-1800-0000-f0ac-bc8118130000 pid=4888->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 32B c42b7245-f894-51f6-b112-367ad1fbc99f 167.99.246.88:39691 guuid=fa6a96f6-1800-0000-f0ac-bc8118130000 pid=4888->c42b7245-f894-51f6-b112-367ad1fbc99f send: 65B guuid=fb6da8f6-1800-0000-f0ac-bc811a130000 pid=4890 /tmp/. guuid=fa6a96f6-1800-0000-f0ac-bc8118130000 pid=4888->guuid=fb6da8f6-1800-0000-f0ac-bc811a130000 pid=4890 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1841508 Sample: zerx86.elf Startdate: 29/12/2025 Architecture: LINUX Score: 56 18 109.202.202.202, 80 INIT7CH Switzerland 2->18 20 167.99.246.88, 39691, 51832 DIGITALOCEAN-ASNUS United States 2->20 22 4 other IPs or domains 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Multi AV Scanner detection for submitted file 2->26 8 zerx86.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 zerx86.elf 8->14         started        process6 16 zerx86.elf 14->16         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-29 14:56:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
linux
Behaviour
Changes its process name
Renames itself
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-9857931-0
YARA:
Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
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:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
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 82b51c89a459fe15006f48974fd90fbc9641d2e33dfa10095374535edcfebcd7

(this sample)

  
Delivery method
Distributed via web download

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