MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9d28c3c2c8579c7fd7c28ff55360c045fcfab6bb568595f63390f4d8563b0d73. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9d28c3c2c8579c7fd7c28ff55360c045fcfab6bb568595f63390f4d8563b0d73
SHA3-384 hash: 76ebced37e9224dd6967ca57995aa468d4cb9ab7ed209a3c264a443251504d64691ad07563600a796037c1b538364520
SHA1 hash: 14eb6e2cce3f351a2c420b9894511240fd4d19db
MD5 hash: f94a8fb0ff7fadc1fb2b50ed16f2693b
humanhash: six-tango-robin-nineteen
File name:cron
Download: download sample
Signature Mirai
Create hunting rule
File size:124'936 bytes
First seen:2025-07-20 06:54:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:HOGKaQmxxEXoQZjn1201F3ByD28ju1DmXGLVHVAL5bkz3P:uGXQ/FJ7RyD22uBmXGLVHVAL5bkz3P
TLSH T157C35D05F743C5F3C8430EF506A7A66A4522F93A893E8E4AF3183DB4FB168C97115B66
telfhash t188318411a97982342fa18c1c5c6c9bb201229b13630b3f32bf32c4cc9936091d63ee4b
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 gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
19
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30541.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-6981154-0
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Unix.Trojan.Gafgyt-6981156-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Creating a file
Receives data from a server
Collects information on the CPU
Launching a process
Collects information on the OS
Connection attempt
Kills processes
Runs as daemon
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/687c92e48a7d628a81b82ad5/reports/2bc62b33-103f-4f4b-996e-0d38bc114f3c/overview
Malware family:
Gafgyt
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/723e3508-3e01-425e-aacc-6f0165ff3069
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1740373
Signature
Contains symbols with names commonly found in malware
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Terminates several processes with shell command 'killall'
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1740373 Sample: cron.elf Startdate: 20/07/2025 Architecture: LINUX Score: 72 45 165.56.131.220 ZAMTELZM Zambia 2->45 47 165.58.70.5 ZAMTELZM Zambia 2->47 49 98 other IPs or domains 2->49 51 Suricata IDS alerts for network traffic 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 Contains symbols with names commonly found in malware 2->57 10 cron.elf 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 process4 process5 16 cron.elf 10->16         started        process6 18 cron.elf 16->18         started        20 cron.elf 16->20         started        process7 22 cron.elf sh 18->22         started        24 cron.elf sh 18->24         started        26 cron.elf sh 18->26         started        28 72 other processes 18->28 process8 30 sh killall 22->30         started        33 sh killall 24->33         started        35 sh killall 26->35         started        37 sh killall 28->37         started        39 sh killall 28->39         started        41 sh killall 28->41         started        43 69 other processes 28->43 signatures9 59 Terminates several processes with shell command 'killall' 30->59
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/9d28c3c2c8579c7fd7c28ff55360c045fcfab6bb568595f63390f4d8563b0d73
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9d28c3c2c8579c7fd7c28ff55360c045fcfab6bb568595f63390f4d8563b0d73/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-07-20 06:55:32 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tuumhqwik6oh7v6cr72vgygaix6pvnv3k2czl5rtsd2nqvr3bvzq._file
Result
Malware family:
gafgyt
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Score:
  10/10
Tags:
family:gafgyt defense_evasion discovery linux privilege_escalation rootkit
Link:
https://tria.ge/reports/250720-hp4fnsaj7z/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Reads CPU attributes
Abuse Elevation Control Mechanism: Sudo and Sudo Caching
Enumerates running processes
Loads a kernel module
Writes memory of remote process
Contacts a large (538479) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Gafgyt-6981154-0
YARA:
Linux_Trojan_Gafgyt_6122acdf Linux_Trojan_Gafgyt_1b2e2a3a Linux_Trojan_Gafgyt_9127f7be elf_bashlite_auto
Link:
https://app.threat.zone/submission/75e85009-5ded-4ddc-9496-e73096592664
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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:Linux_Trojan_Gafgyt_1b2e2a3a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_6122acdf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9127f7be
Create hunting rule
Author:Elastic Security
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 9d28c3c2c8579c7fd7c28ff55360c045fcfab6bb568595f63390f4d8563b0d73

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3584497/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3584475/
  
URLhaus
https://urlhaus.abuse.ch/url/3576545/

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