MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b20f7d9fe9143a2cb2650f33f2d63f93f0d03a171da810e42d4a256de4d81bd5. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b20f7d9fe9143a2cb2650f33f2d63f93f0d03a171da810e42d4a256de4d81bd5
SHA3-384 hash: 9f41a44a61f19784862fbe4450fab8172325416aa8b0aa38fba1c674605b85a6bf26a70726ebe9793460f6a0afbf2be6
SHA1 hash: 22c38bbd11a510a087e3cb228e44a06f1a6a6c25
MD5 hash: 3f7eeba796b9e88d872aa9056d8a4aa9
humanhash: purple-india-four-texas
File name:parm6
Download: download sample
Signature Mirai
Create hunting rule
File size:50'372 bytes
First seen:2026-08-14 20:18:01 UTC
Last seen:2026-08-15 13:33:32 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:1k5pYMjge4PmvZabW6f2TPorkBmG7EOXL4:arjqM8C6uTPorEEOXL4
TLSH T1A933F181A42AFAD5E335A132FA5C45CB324D96F60594B41B172A85A8D8D70DBD3B23C3
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
File size (compressed) :50'372 bytes
File size (de-compressed) :117'768 bytes
Format:linux/arm
Unpacked file: 5c9994823d70eeaa4c95fa42af69ee5e777510e7cfbdd407ec21205b44979c1b

Intelligence

File Origin
# of uploads :
4
# of downloads :
65
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/bb732c45-9398-415e-8953-9e3bd81eb535/
Detection(s):
SecuriteInfo.com.Linux.Mirai.10589.18532.26612.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6a7f7816292b3020a9f0c729/reports/7e4c3224-8326-4fc3-96e0-fab334547d60/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b20f7d9fe9143a2cb2650f33f2d63f93f0d03a171da810e42d4a256de4d81bd5
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/fa800331-3b2c-43b6-8b43-fe5c4160b8cc
Behavior Graph:
Download SVG
%3 guuid=dbbf4911-1800-0000-9847-b0ddf6090000 pid=2550 /usr/bin/sudo guuid=a1062214-1800-0000-9847-b0dd000a0000 pid=2560 /tmp/sample.bin guuid=dbbf4911-1800-0000-9847-b0ddf6090000 pid=2550->guuid=a1062214-1800-0000-9847-b0dd000a0000 pid=2560 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4e38dc70-8eab-4eb1-bb4c-08d2ad267ae5
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b20f7d9fe9143a2cb2650f33f2d63f93f0d03a171da810e42d4a256de4d81bd5
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b20f7d9fe9143a2cb2650f33f2d63f93f0d03a171da810e42d4a256de4d81bd5/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-14 20:18:35 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wihx3h7jcq5czmtfb4z7fvr7spynaoqxdwubbzbnjisw3zgydpkq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai botnet discovery upx
Link:
https://tria.ge/reports/260814-y3hzws1bkc/
Behaviour
Reads runtime system information
Family: Mirai
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b20f7d9fe9143a2cb2650f33f2d63f93f0d03a171da810e42d4a256de4d81bd5

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
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:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

elf b20f7d9fe9143a2cb2650f33f2d63f93f0d03a171da810e42d4a256de4d81bd5

(this sample)

Mirai

elf 5c9994823d70eeaa4c95fa42af69ee5e777510e7cfbdd407ec21205b44979c1b

  
URLhaus
https://urlhaus.abuse.ch/url/3902561/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 5c9994823d70eeaa4c95fa42af69ee5e777510e7cfbdd407ec21205b44979c1b
  
Dropping
MD5 495c87bd94a85c621baa527bbc8bf0e3

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