MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4b928db067a0faa140e8fa79a2338315d998130414088617eaac7cc216872f7. 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: 12


Intelligence 12 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f4b928db067a0faa140e8fa79a2338315d998130414088617eaac7cc216872f7
SHA3-384 hash: a4a29ca1e17a134b1b0a1e03ca2f64d5b906811f692ab5d5ee898b3f57b91bc1bc8587f25c263b576083bca3bd7ced88
SHA1 hash: 168ac274251f991ae2b2bb0bd7f67ed41045cec7
MD5 hash: d9a47aad11d33a6bc18a4ea7768911f3
humanhash: island-mango-nitrogen-beer
File name:db0fa4b8db0333367e9bda3ab68b8042.m68k
Download: download sample
Signature Mirai
Create hunting rule
File size:80'360 bytes
First seen:2025-11-25 06:12:09 UTC
Last seen:2025-11-25 21:35:26 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:/JChCs8SPqnki7MYyiMJc1P1g6vy3LoC3gDyKwKYaXXpGTS5fImrq8mU/e:/J2Ri7QiM+TEweDE5bIK2
TLSH T120736DD5B8008EBCF95BDABD81224A0DFA2162145FA30F2BE667FCA32D731959D07C45
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
152
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-6981989-0
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Unix.Dropper.Mirai-7135870-0
Create hunting rule

Unix.Dropper.Mirai-7135906-0
Create hunting rule

Unix.Dropper.Mirai-7135966-0
Create hunting rule

Unix.Dropper.Mirai-7135979-0
Create hunting rule

Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Trojan.Mirai-9935718-0
Create hunting rule

Unix.Trojan.Mirai-9940650-0
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Unix.Dropper.Mirai-9977145-0
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Unix.Trojan.Mirai-10018298-0
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Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/692548c8f6a4ba1793afff65/reports/40336541-17d3-4182-a6b3-d0b5e10deed2/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-11-25T04:23:00Z UTC
Last seen:
2025-11-26T00:53:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Exploit.Linux.Mvpower.a HEUR:Exploit.Linux.CVE-2017-17215.a
Link:
https://opentip.kaspersky.com/f4b928db067a0faa140e8fa79a2338315d998130414088617eaac7cc216872f7/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9fa61dc1-e81b-407b-89a2-e4ec6f0a1cd9
Behavior Graph:
Download SVG
%3 guuid=1c899a16-1a00-0000-7aed-6809650b0000 pid=2917 /usr/bin/sudo guuid=e169c918-1a00-0000-7aed-6809660b0000 pid=2918 /tmp/sample.bin guuid=1c899a16-1a00-0000-7aed-6809650b0000 pid=2917->guuid=e169c918-1a00-0000-7aed-6809660b0000 pid=2918 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/584464ee-a157-4ae6-842c-1678e2c4ea04
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1820320
Signature
Antivirus / Scanner detection for submitted sample
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Suricata IDS alerts for network traffic
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f4b928db067a0faa140e8fa79a2338315d998130414088617eaac7cc216872f7
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f4b928db067a0faa140e8fa79a2338315d998130414088617eaac7cc216872f7/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/f4b928db067a0faa140e8fa79a2338315d998130414088617eaac7cc216872f7
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-25 06:12:23 UTC
File Type:
ELF32 Big (Exe)
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6s4srwygpih2ufaor6tzuizygfoztajqifaiqyl6vld4yiliol3q._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai botnet:unstable linux
Link:
https://tria.ge/reports/251125-gyc5easkdr/
Malware Config
C2 Extraction:
cnc.504.su
scan.504.su
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-6981989-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1
Link:
https://app.threat.zone/submission/fb9c1c9f-9e98-401a-838f-19e587f43999
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
Link:
https://yomi.yoroi.company/submissions/f4b928db067a0faa140e8fa79a2338315d998130414088617eaac7cc216872f7

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Create hunting rule
Author:Florian Roth
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 f4b928db067a0faa140e8fa79a2338315d998130414088617eaac7cc216872f7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3669677/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3669668/
  
URLhaus
https://urlhaus.abuse.ch/url/3716469/

Comments