MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4623a7340cfe0b32b9fdadfc0cc1b00ce295e8e224da40b7bb64422b9439a276. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4623a7340cfe0b32b9fdadfc0cc1b00ce295e8e224da40b7bb64422b9439a276
SHA3-384 hash: 9d2d7129717a9eb4f44c3bd7ca7551867cc60fb5249598240b466e1a1049ae345c7022ec135d2917340ea8d1491c2c95
SHA1 hash: bdbc1fb0037c6c519cf524e07066828eadd1627e
MD5 hash: 86e011cc00e8341b8cb242b46748c4f8
humanhash: eleven-indigo-lactose-south
File name:sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:129'892 bytes
First seen:2025-07-21 16:33:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:+NO4EcKPesn4LO1DJOCIY1Kgpl/j7sevqFIqWAfHWvlMjwz7iYq:Semsn0O9JOh9gTdqF3/fHWNMjLYq
TLSH T1DFC34973C8266F58D624E5B4B0708FB96B93A96441871FBE56B7C2B48483CCDF5093B8
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 :
18
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7136288-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/687e6c167bc45bdee1b38a06/reports/7fe0637a-f1e7-438a-b838-8e2bead66525/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/1d692bbc-f654-4620-b329-90e3b506289d
Behavior Graph:
Download SVG
%3 guuid=ddad0de8-1800-0000-f8c2-e8de76070000 pid=1910 /usr/bin/sudo guuid=c91c7feb-1800-0000-f8c2-e8de7b070000 pid=1915 /tmp/sample.bin guuid=ddad0de8-1800-0000-f8c2-e8de76070000 pid=1910->guuid=c91c7feb-1800-0000-f8c2-e8de7b070000 pid=1915 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b6040d50-d047-4b6f-b29e-7c69ae104b7f
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1741402
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Found malware configuration
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1741402 Sample: sh4.elf Startdate: 21/07/2025 Architecture: LINUX Score: 100 29 89.116.20.194, 7074 LRTC-ASLT Lithuania 2->29 31 54.247.62.1, 443, 52464 AMAZON-02US United States 2->31 33 daisy.ubuntu.com 2->33 35 Found malware configuration 2->35 37 Antivirus detection for dropped file 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 3 other signatures 2->41 9 dash rm sh4.elf 2->9         started        11 dash rm 2->11         started        13 dash cut 2->13         started        15 8 other processes 2->15 signatures3 process4 process5 17 sh4.elf 9->17         started        process6 19 sh4.elf 17->19         started        file7 25 /var/main, ELF 19->25 dropped 27 /etc/init.d/xs.main, POSIX 19->27 dropped 43 Sample tries to set files in /etc globally writable 19->43 45 Drops files in suspicious directories 19->45 47 Sample deletes itself 19->47 23 sh4.elf 19->23         started        signatures8 process9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4623a7340cfe0b32b9fdadfc0cc1b00ce295e8e224da40b7bb64422b9439a276
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4623a7340cfe0b32b9fdadfc0cc1b00ce295e8e224da40b7bb64422b9439a276/
Threat name:
Linux.Exploit.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-21 16:34:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 23 (56.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iyr2onam7yftfop5vx6azqnqbtrjl2hcetnebn53mrbcxfbzuj3a._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/250721-t29c8sgl7z/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136288-0
YARA:
n/a
Link:
https://app.threat.zone/submission/8dfb5ac2-36d0-4b5b-85b3-4cdd85482afa
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/4623a7340cfe0b32b9fdadfc0cc1b00ce295e8e224da40b7bb64422b9439a276

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:unixredflags3
Create hunting rule
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 4623a7340cfe0b32b9fdadfc0cc1b00ce295e8e224da40b7bb64422b9439a276

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3587326/
  
Delivery method
Distributed via web download

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