MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 939235c603e1ed8b025723acd727bb1172ead9c1b2732c65118430e8df89f42f. 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 4 File information Comments

SHA256 hash: 939235c603e1ed8b025723acd727bb1172ead9c1b2732c65118430e8df89f42f
SHA3-384 hash: 4562f32a228ae1b51bd228336470b20507e1c25b6b31f8828e1da86f8504a5d78905522f4f064dd19e13ed4ce667c43a
SHA1 hash: 99e7bfa302dcf809517e24f8c35bc2259020ae87
MD5 hash: 838e41efd9cda88a8823c7d5739764fd
humanhash: lamp-magnesium-arizona-saturn
File name:kitty.mipsel
Download: download sample
Signature Mirai
File size:106'428 bytes
First seen:2025-08-17 09:15:01 UTC
Last seen:2025-08-17 11:39:55 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:MaZzCLgaMEHbdgCk+n3QAMHdqlMU1/TJ:MaZzZa0Ck+nJMHdqlMUZ
TLSH T15AA33B46BE505BEBC46ECE30052EC31711DDE58AA2F1B32F7178CE4C39AA24599D39D8
telfhash t121110450ae320b37e9b2d524d4dd5b12c11ec66da851f723df10dacc5a2a04da207f4f
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

Intelligence


File Origin
# of uploads :
3
# of downloads :
33
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Receives data from a server
Runs as daemon
Sends data to a server
Connection attempt
Substitutes an application name
Deleting of the original file
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
56 / 100
Signature
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Sample deletes itself
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1758782 Sample: kitty.mipsel.elf Startdate: 17/08/2025 Architecture: LINUX Score: 56 21 169.254.169.254, 80 USDOSUS Reserved 2->21 23 noname-3d45fa2f.online 66.78.40.221, 40054, 40056, 9080 QUICKPACKETUS United States 2->23 25 2 other IPs or domains 2->25 29 Multi AV Scanner detection for submitted file 2->29 31 Contains symbols with names commonly found in malware 2->31 8 kitty.mipsel.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 kitty.mipsel.elf 8->16         started        process6 18 kitty.mipsel.elf 16->18         started        signatures7 27 Sample deletes itself 18->27
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-08-16 07:18:10 UTC
File Type:
ELF32 Little (SO)
AV detection:
14 of 37 (37.84%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Enumerates running processes
Deletes itself
Unexpected DNS network traffic destination
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_arm_mips_ko_so
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
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 939235c603e1ed8b025723acd727bb1172ead9c1b2732c65118430e8df89f42f

(this sample)

  
Delivery method
Distributed via web download

Comments