MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c73b187735d4feb5701c40b63b4b5ad81b8f3885a14eef9259d59de6715611a3. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c73b187735d4feb5701c40b63b4b5ad81b8f3885a14eef9259d59de6715611a3
SHA3-384 hash: 114f143c99a1ad397c8bdfed8a4fb478d2dc8710cc1d5d990ee570c8e2782022c011b32d82d30377b90cc71d27efb0ff
SHA1 hash: d44e7e2ebe81912243f1615e20a4c7c3973f9468
MD5 hash: 976c984c802e35d3559397f41d8818d7
humanhash: echo-item-robin-illinois
File name:db0fa4b8db0333367e9bda3ab68b8042.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:33'280 bytes
First seen:2025-08-21 02:06:43 UTC
Last seen:2025-08-21 10:32:40 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:CNyFa59w4T/FI/bFrTAiOscUixetW8HRjHJirNfAwhfNoPd51NonbcuyD7UiyqI:Cg05qm/FI/xjpix18HRgxflMPd5vonoo
TLSH T121E2E0A2C0A107A2D0B960B81E7FBE5E44014A6D5095F9F277E1353E48F2F6E31792B8
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) :33'280 bytes
File size (de-compressed) :74'608 bytes
Format:linux/i386
Unpacked file: 6a5df9fcf8aad2cacdbcc486aa3153fa93109ba27ecbbe5e6b5b6b2618dd7d33

Intelligence

File Origin
# of uploads :
3
# of downloads :
36
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-7669677-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
DNS request
Runs as daemon
Sends data to a server
Connection attempt
Substitutes an application name
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c2b71493-c906-4fef-adc9-fee1dca9787f
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1761563
Signature
Connects to many ports of the same IP (likely port scanning)
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Suricata IDS alerts for network traffic
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1761563 Sample: db0fa4b8db0333367e9bda3ab68... Startdate: 21/08/2025 Architecture: LINUX Score: 100 29 41.208.211.116 rainZA South Africa 2->29 31 156.159.153.7 airtel-tz-asTZ Tanzania United Republic of 2->31 33 99 other IPs or domains 2->33 35 Suricata IDS alerts for network traffic 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Detected Mirai 2->39 41 4 other signatures 2->41 8 db0fa4b8db0333367e9bda3ab68b8042.x86.elf 2->8         started        10 xfce4-panel wrapper-2.0 2->10         started        12 xfce4-panel wrapper-2.0 2->12         started        14 8 other processes 2->14 signatures3 process4 process5 16 db0fa4b8db0333367e9bda3ab68b8042.x86.elf 8->16         started        18 wrapper-2.0 xfpm-power-backlight-helper 10->18         started        process6 20 db0fa4b8db0333367e9bda3ab68b8042.x86.elf 16->20         started        23 db0fa4b8db0333367e9bda3ab68b8042.x86.elf 16->23         started        25 db0fa4b8db0333367e9bda3ab68b8042.x86.elf 16->25         started        27 3 other processes 16->27 signatures7 43 Sample tries to kill multiple processes (SIGKILL) 20->43
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c73b187735d4feb5701c40b63b4b5ad81b8f3885a14eef9259d59de6715611a3
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c73b187735d4feb5701c40b63b4b5ad81b8f3885a14eef9259d59de6715611a3/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-21 02:07:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y45rq5zv2t7lk4a4ic3dws223any6oefufho7esz2wo6m4kwcgrq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:unstable botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/250821-cj7m9adq2v/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (197275) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Malware Config
C2 Extraction:
cnc.9257.org
bot.9257.org
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7669677-0
YARA:
n/a
Link:
https://app.threat.zone/submission/60f7508c-3836-4d81-8382-cb9e45b721a1
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/c73b187735d4feb5701c40b63b4b5ad81b8f3885a14eef9259d59de6715611a3

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 c73b187735d4feb5701c40b63b4b5ad81b8f3885a14eef9259d59de6715611a3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3598079/
  
Delivery method
Distributed via web download

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