MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9d809a61d3bc65650090615ef48351580eddcf6613c031bf5b785951371deb3. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c9d809a61d3bc65650090615ef48351580eddcf6613c031bf5b785951371deb3
SHA3-384 hash: f202ca84bb84562ebdb86ac352e4180ce612c612f218171cd7283aa3eac0c0f27df49c561978fcd5125fc35d3cdec20c
SHA1 hash: ffcbd8c2abf4d17a372f1f0f3a978c28e66d7d7c
MD5 hash: 1a9065ae26b36795895e18cccfbfdfc1
humanhash: arizona-sodium-alanine-high
File name:arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:125'716 bytes
First seen:2025-12-02 04:15:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:z+VbrvW8R25aWodbJiUx42XJ8a15jLNVtEj:z+PE5aWodbJiQ42CazjZVtEj
TLSH T136C31A47F9929F11D4C722BAFB5E514D33136BB8E3ED3202CD24AF6123C699B0E66512
telfhash t1ff21cde9dbb01edcbfc4c35842d9163a9ab930ec37056836da6c1b8a48969c6701d922
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 98386a87bf3cbbbb23e8b8c24d1ad217540e1d947dffa7acbf0e33fecac78324
File size (compressed) :51'072 bytes
File size (de-compressed) :125'716 bytes
Format:linux/arm
Packed file: 98386a87bf3cbbbb23e8b8c24d1ad217540e1d947dffa7acbf0e33fecac78324

Intelligence

File Origin
# of uploads :
1
# of downloads :
29
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
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.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.Dropper.Mirai-10007027-0
Create hunting rule

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

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc mirai obfuscated rust
Link:
https://www.filescan.io/uploads/692e680fc1a2f55fb9c50512/reports/7eb0091a-c192-4a35-827b-6d131ba68a8d/overview
Result
Gathering data
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1824104
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1824104 Sample: arm7.elf Startdate: 02/12/2025 Architecture: LINUX Score: 72 38 151.242.30.13, 12121, 56248, 56250 RASANAIR Iran (ISLAMIC Republic Of) 2->38 40 109.202.202.202, 80 INIT7CH Switzerland 2->40 42 3 other IPs or domains 2->42 44 Antivirus detection for dropped file 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 48 Multi AV Scanner detection for submitted file 2->48 8 arm7.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        15 python3.8 dpkg 2->15         started        signatures3 process4 file5 36 /usr/local/bin/infinitd, ELF 8->36 dropped 17 arm7.elf 8->17         started        19 arm7.elf 8->19         started        21 arm7.elf sh 8->21         started        23 3 other processes 8->23 process6 process7 25 arm7.elf 17->25         started        28 arm7.elf 19->28         started        30 arm7.elf 19->30         started        32 sh 21->32         started        34 sh 23->34         started        signatures8 50 Manipulation of devices in /dev 25->50 52 Deletes system log files 25->52
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c9d809a61d3bc65650090615ef48351580eddcf6613c031bf5b785951371deb3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c9d809a61d3bc65650090615ef48351580eddcf6613c031bf5b785951371deb3/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-02 04:16:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zhmatjq5hpdfmuajayk66sbvcwao3xhwme6agg7vw6czke3r32zq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/251202-evxnjazmal/
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Enumerates running processes
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Deletes Audit logs
Deletes journal logs
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/ffe0c309-9829-4475-b972-052be02a8cf5
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/c9d809a61d3bc65650090615ef48351580eddcf6613c031bf5b785951371deb3

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_Threat_8299c877
Create hunting rule
Author:Elastic Security
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 98386a87bf3cbbbb23e8b8c24d1ad217540e1d947dffa7acbf0e33fecac78324

Mirai

elf c9d809a61d3bc65650090615ef48351580eddcf6613c031bf5b785951371deb3

(this sample)

  
Dropped by
SHA256 98386a87bf3cbbbb23e8b8c24d1ad217540e1d947dffa7acbf0e33fecac78324
  
URLhaus
https://urlhaus.abuse.ch/url/3719333/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 8eb2abff3cb3cfccff435823c2900eb7
  
URLhaus
https://urlhaus.abuse.ch/url/3722817/
  
URLhaus
https://urlhaus.abuse.ch/url/3722830/

Comments