MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf772ae456c41fe0acca78520f85ab51e922d29cc22e3b53addf515347615497. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
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SHA256 hash: cf772ae456c41fe0acca78520f85ab51e922d29cc22e3b53addf515347615497
SHA3-384 hash: f5cd6eaf4fcff85d8509da465fffd6beebd32e68c72afd84abac109e7b8af93bccd6da28ebed03b9aaff2b2e88a48ffd
SHA1 hash: 81a522eadbfa13cfe363c4d635ec65fffe096cf7
MD5 hash: 798eae346538ad6a58146aa4f8f167c8
humanhash: bulldog-eighteen-alabama-muppet
File name:arm
Download: download sample
Signature Mirai
Create hunting rule
File size:204'932 bytes
First seen:2025-12-26 18:14:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:ViqKSEvU+evlkowlzCSkKo4dPfc5PpA4YTjphUfu6hh1RAQW:ViqKSaDG7w9H/o4dfc5PC1jphUfrAQW
TLSH T181142B42BD418F13C6C622F6FBAE018C37167BA9D6EA7103DD256F9137868DB0D3A251
telfhash t11b41f026db902eacb7f44294c99e3029e6fd30dd174128269e6e6b576f034d1345e817
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 d940b6bfe454a230367949669441ed34b0a932b7a5a5e797316c8efe5a11b7c0
File size (compressed) :72'332 bytes
File size (de-compressed) :204'932 bytes
Format:linux/arm
Packed file: d940b6bfe454a230367949669441ed34b0a932b7a5a5e797316c8efe5a11b7c0

Intelligence

File Origin
# of uploads :
1
# of downloads :
40
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/9cdf3994-7af3-44cf-a7de-1bc0d63684bf/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

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

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt gcc mirai obfuscated obfuscated rust
Link:
https://www.filescan.io/uploads/694ed0bbe126b9ff43927941/reports/74a2ad25-434a-47e8-b467-b9a3d65a1fd7/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3c97ca42-a4b3-4f58-8f9f-9292dcfad3fe
Behavior Graph:
Download SVG
%3 guuid=479022ad-1900-0000-2806-5dfffe090000 pid=2558 /usr/bin/sudo guuid=b6f835b0-1900-0000-2806-5dff050a0000 pid=2565 /tmp/sample.bin guuid=479022ad-1900-0000-2806-5dfffe090000 pid=2558->guuid=b6f835b0-1900-0000-2806-5dff050a0000 pid=2565 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fe68877b-0094-471d-a450-5126ee78472c
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1839869
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1839869 Sample: arm.elf Startdate: 26/12/2025 Architecture: LINUX Score: 80 30 169.254.169.254, 80 USDOSUS Reserved 2->30 32 162.213.35.24, 40406, 443 CANONICAL-ASGB United States 2->32 34 daisy.ubuntu.com 2->34 36 Found malware configuration 2->36 38 Antivirus detection for dropped file 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 42 2 other signatures 2->42 9 arm.elf 2->9         started        11 python3.8 dpkg 2->11         started        signatures3 process4 process5 13 arm.elf 9->13         started        file6 28 /usr/local/bin/infinitd, ELF 13->28 dropped 16 arm.elf sh 13->16         started        18 arm.elf sh 13->18         started        20 arm.elf 13->20         started        22 23 other processes 13->22 process7 process8 24 sh systemctl 16->24         started        26 sh systemctl 18->26         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cf772ae456c41fe0acca78520f85ab51e922d29cc22e3b53addf515347615497
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cf772ae456c41fe0acca78520f85ab51e922d29cc22e3b53addf515347615497/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/cf772ae456c41fe0acca78520f85ab51e922d29cc22e3b53addf515347615497
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-26 18:15:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z53svzcwyqp6blgkpbja7bnlkhusfuu4yixdwu5n35ivgr3bkslq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251226-wv9rjavmal/
Malware Config
C2 Extraction:
teamc2.duckdns.org
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: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:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
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 d940b6bfe454a230367949669441ed34b0a932b7a5a5e797316c8efe5a11b7c0

Mirai

elf cf772ae456c41fe0acca78520f85ab51e922d29cc22e3b53addf515347615497

(this sample)

  
Dropped by
SHA256 d940b6bfe454a230367949669441ed34b0a932b7a5a5e797316c8efe5a11b7c0
  
URLhaus
https://urlhaus.abuse.ch/url/3719330/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 e542b79b5d7bc5880aff6ab58547232a
  
URLhaus
https://urlhaus.abuse.ch/url/3722809/

Comments