MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44fcd7a6a61dd418b64fd2fa3e0048d139740bf74a77d261a6900e24609e83f6. 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 4 File information Comments
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SHA256 hash: 44fcd7a6a61dd418b64fd2fa3e0048d139740bf74a77d261a6900e24609e83f6
SHA3-384 hash: 1530cc430f864783163937371101da1ce164e169ac31fa55a8afe402d189df697975b555c227d6296f2180b69e5dd3e3
SHA1 hash: b729096f41548f821e7efc79080856f5de5202b3
MD5 hash: c83ed258db4980f307a79b98ec9752dd
humanhash: sad-lamp-enemy-nebraska
File name:nz.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:49'636 bytes
First seen:2026-07-26 17:50:58 UTC
Last seen:2026-07-27 00:17:42 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:4woCY8XMNETeWlullw4aswgzsY+lzebmuenouy8HyY:tsCWEwllwYwhoutr
TLSH T1AB23F190C8CB8E026BCFC3F474BF1C4B1720B2686866C5979AD897678D34F16BE592D0
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) :49'636 bytes
File size (de-compressed) :121'172 bytes
Format:linux/i386
Unpacked file: 8d7e60bd3155b0cd63ed531124e1e82fd8e8a15776a45b5f20a9fd28bffe7a22

Intelligence

File Origin
# of uploads :
2
# of downloads :
81
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/1a5cbbda-9aba-4c99-b9fa-833de0ced32b/
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Connection attempt
Runs as daemon
DNS request
Opens a port
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/6a66492d87f45a54ffb63853/reports/3fd9fbd6-13f2-4e81-88aa-11bfb2d50db8/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a1ceda3f-db94-4bf5-ada6-0473b373388f
Behavior Graph:
Download SVG
%3 guuid=5ae08531-1900-0000-5284-72f768070000 pid=1896 /usr/bin/sudo guuid=3a50b533-1900-0000-5284-72f769070000 pid=1897 /tmp/sample.bin net guuid=5ae08531-1900-0000-5284-72f768070000 pid=1896->guuid=3a50b533-1900-0000-5284-72f769070000 pid=1897 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=3a50b533-1900-0000-5284-72f769070000 pid=1897->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=c90ec034-1900-0000-5284-72f76a070000 pid=1898 /tmp/sample.bin guuid=3a50b533-1900-0000-5284-72f769070000 pid=1897->guuid=c90ec034-1900-0000-5284-72f76a070000 pid=1898 clone guuid=a1a8b461-1a00-0000-5284-72f72a090000 pid=2346 /tmp/sample.bin guuid=3a50b533-1900-0000-5284-72f769070000 pid=1897->guuid=a1a8b461-1a00-0000-5284-72f72a090000 pid=2346 clone guuid=5b41b961-1a00-0000-5284-72f72b090000 pid=2347 /tmp/sample.bin net send-data zombie guuid=3a50b533-1900-0000-5284-72f769070000 pid=1897->guuid=5b41b961-1a00-0000-5284-72f72b090000 pid=2347 clone guuid=ff95d434-1900-0000-5284-72f76b070000 pid=1899 /tmp/sample.bin guuid=c90ec034-1900-0000-5284-72f76a070000 pid=1898->guuid=ff95d434-1900-0000-5284-72f76b070000 pid=1899 clone guuid=6932d934-1900-0000-5284-72f76c070000 pid=1900 /tmp/sample.bin dns net send-data zombie guuid=c90ec034-1900-0000-5284-72f76a070000 pid=1898->guuid=6932d934-1900-0000-5284-72f76c070000 pid=1900 clone guuid=6932d934-1900-0000-5284-72f76c070000 pid=1900->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 198B 50d412d1-ca07-54a6-8dc5-f96b7f280548 s3o65awrf56.net:69 guuid=6932d934-1900-0000-5284-72f76c070000 pid=1900->50d412d1-ca07-54a6-8dc5-f96b7f280548 send: 4B guuid=5b41b961-1a00-0000-5284-72f72b090000 pid=2347->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 825B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=5b41b961-1a00-0000-5284-72f72b090000 pid=2347->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/af3ef373-bb37-4121-bcb7-1d611c20a6a4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/44fcd7a6a61dd418b64fd2fa3e0048d139740bf74a77d261a6900e24609e83f6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/44fcd7a6a61dd418b64fd2fa3e0048d139740bf74a77d261a6900e24609e83f6/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-26 17:55:55 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=it6npjvgdxkbrnsp2l5d4aci2e4xic7xjj35eyngsahciye6qp3a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/260726-wfnwhsygmb/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Family: Mirai
Malware Config
C2 Extraction:
s3o65awrf56.net
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_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 44fcd7a6a61dd418b64fd2fa3e0048d139740bf74a77d261a6900e24609e83f6

(this sample)

Mirai

elf 8d7e60bd3155b0cd63ed531124e1e82fd8e8a15776a45b5f20a9fd28bffe7a22

  
URLhaus
https://urlhaus.abuse.ch/url/3892228/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 8d7e60bd3155b0cd63ed531124e1e82fd8e8a15776a45b5f20a9fd28bffe7a22
  
Dropping
MD5 855fb277e8b91de4f9e6398937a3b5a3

Comments