MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bfac56420e108bba9c9366c1279d194f7cd20933bd8e56c57edd2a3ba63205b. 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: 6


Intelligence 6 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4bfac56420e108bba9c9366c1279d194f7cd20933bd8e56c57edd2a3ba63205b
SHA3-384 hash: 3388723caf998192aaead1262ca0b5e533041dfc0b3b3c424152aa3d8670e8fe6a3b3bb918ac802cf5bf0a0eeb58a298
SHA1 hash: 1a70d7c05eec2675bd7eb1f6033fb513019de1ff
MD5 hash: cfcc1c8a8797b6522e4bd6e7d3d9e85d
humanhash: illinois-berlin-twenty-jersey
File name:johen.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:117'968 bytes
First seen:2026-02-21 06:30:56 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:aEkWiTLiZECcpHOWWJDmun5Pd1Oe4+YLxlrwTH+E7+TeVedVPneQBZN010an:oni50po9vYNlrwr7+Te0dVPZ010an
TLSH T1CDB3E84E6F318F7DFBA8C23447B39A21975923D227E2C685D19CDA011E7028E645FBB4
telfhash t143118b184a3823e097751d9d6bedffb2e59170db4a255d338c00e9ae9b6dd418d01c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 e18e8c55c914b1dfb208fb9b87f73eb3db8ced972d8b96b2fe11d347662c2621
File size (compressed) :43'272 bytes
File size (de-compressed) :117'968 bytes
Format:linux/mips
Packed file: e18e8c55c914b1dfb208fb9b87f73eb3db8ced972d8b96b2fe11d347662c2621

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/03842413-e7c0-4741-82d4-25d4865b6a65/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
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Unix.Dropper.Mirai-7135897-0
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Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Unix.Trojan.Mirai-10059216-0
Create hunting rule

Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
37
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/4bfac56420e108bba9c9366c1279d194f7cd20933bd8e56c57edd2a3ba63205b
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a07aed42-e94c-4e1d-83e2-43f8ed1c3306
Behavior Graph:
Download SVG
%3 guuid=71b96c21-1900-0000-0ed1-ca7dd3080000 pid=2259 /usr/bin/sudo guuid=9b778523-1900-0000-0ed1-ca7dd5080000 pid=2261 /tmp/sample.bin guuid=71b96c21-1900-0000-0ed1-ca7dd3080000 pid=2259->guuid=9b778523-1900-0000-0ed1-ca7dd5080000 pid=2261 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/fabfbd18-55e5-4b3d-9195-66d7cdfa5eca
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4bfac56420e108bba9c9366c1279d194f7cd20933bd8e56c57edd2a3ba63205b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4bfac56420e108bba9c9366c1279d194f7cd20933bd8e56c57edd2a3ba63205b/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jp5mkzba4eelxkojgzwbe6orst342iethpmok3cx5xjkhotdebnq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/260221-g99mract4c/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
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/4bfac56420e108bba9c9366c1279d194f7cd20933bd8e56c57edd2a3ba63205b

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
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 e18e8c55c914b1dfb208fb9b87f73eb3db8ced972d8b96b2fe11d347662c2621

Mirai

elf 4bfac56420e108bba9c9366c1279d194f7cd20933bd8e56c57edd2a3ba63205b

(this sample)

  
Dropped by
SHA256 e18e8c55c914b1dfb208fb9b87f73eb3db8ced972d8b96b2fe11d347662c2621
  
URLhaus
https://urlhaus.abuse.ch/url/3782169/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 825b3d491f62c7432675fa8488ac862d
  
URLhaus
https://urlhaus.abuse.ch/url/3782351/

Comments