MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dadcac7576401459f1c85653339ef449922eaf39cd3e518bd4b16815167ee6a1. 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: 8


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

SHA256 hash: dadcac7576401459f1c85653339ef449922eaf39cd3e518bd4b16815167ee6a1
SHA3-384 hash: 42bcddbc25baf856745a1f358d990947307df98a6ff98305501b06837893c511e8a083edd09f26253ce001cb4a00e4c9
SHA1 hash: 21f816a1946903723aea3cf1fcdf5504e2281660
MD5 hash: 41a9eff51de774b63c2d8f27b0dd3bed
humanhash: one-connecticut-alaska-earth
File name:rizzx.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:55'880 bytes
First seen:2026-02-18 18:30:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:DcyddNgnu8Hkf/StW30QoyPEFMstBp5o7uS8kTIMwcLr6IoNcitKMfg3BNpTWnDk:DsnvHk36AXvEFMiolcMjLr6RtK79
TLSH T1FA432781FCD2996EC2D4137AA73E358E33A1B3E4D1CA3613CD585B25338A68F5D66B40
telfhash t187e06140fe764b1844e75634ecdd07b49511211761664710cf54daf0883f118a31cd5e
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 a3344fdea80d4978a5fe3ef2543dad8b14cdb2929a137ff5ce846a3f609d55fe
File size (compressed) :25'104 bytes
File size (de-compressed) :55'880 bytes
Format:linux/arm
Packed file: a3344fdea80d4978a5fe3ef2543dad8b14cdb2929a137ff5ce846a3f609d55fe

Intelligence

File Origin
# of uploads :
1
# of downloads :
32
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/c3857c20-fb4a-40cb-959e-19a4853a27af/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
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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
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Unix.Trojan.Mirai-10059006-0
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Unix.Trojan.Mirai-10059216-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade rust
Link:
https://www.filescan.io/uploads/699605869eaae846593c62e8/reports/c7f13c56-f8ca-40e6-8219-631766f331ab/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/dadcac7576401459f1c85653339ef449922eaf39cd3e518bd4b16815167ee6a1
Behaviour
no suspicious findings
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/a31fe317-f32c-458f-89ad-5794321f5d7e
Behavior Graph:
Download SVG
%3 guuid=128ec419-1a00-0000-e9bc-8d79ae090000 pid=2478 /usr/bin/sudo guuid=6ffd591c-1a00-0000-e9bc-8d79b4090000 pid=2484 /tmp/sample.bin guuid=128ec419-1a00-0000-e9bc-8d79ae090000 pid=2478->guuid=6ffd591c-1a00-0000-e9bc-8d79b4090000 pid=2484 execve
Malware family:
Mirai
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0c273ca8-ca8c-429b-b0de-49f5531cb318
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/dadcac7576401459f1c85653339ef449922eaf39cd3e518bd4b16815167ee6a1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dadcac7576401459f1c85653339ef449922eaf39cd3e518bd4b16815167ee6a1/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-18 19:15:36 UTC
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3loky5lwiakft4oikzjthhxujgjc5lzzzu7fdc6uwfubkft642qq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/260218-w57pxsey5f/
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/dadcac7576401459f1c85653339ef449922eaf39cd3e518bd4b16815167ee6a1

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 a3344fdea80d4978a5fe3ef2543dad8b14cdb2929a137ff5ce846a3f609d55fe

Mirai

elf dadcac7576401459f1c85653339ef449922eaf39cd3e518bd4b16815167ee6a1

(this sample)

  
Dropped by
SHA256 a3344fdea80d4978a5fe3ef2543dad8b14cdb2929a137ff5ce846a3f609d55fe
  
Dropped by
MD5 d3f777f7839081c621f06d2acdbae1d0
  
URLhaus
https://urlhaus.abuse.ch/url/3780569/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3780587/
  
URLhaus
https://urlhaus.abuse.ch/url/3780608/
  
URLhaus
https://urlhaus.abuse.ch/url/3780629/

Comments