MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c812b4f50d1288e9b517b6537de95de6aac192cf046be6b724f2d281a03c8868. 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 5 File information Comments

SHA256 hash: c812b4f50d1288e9b517b6537de95de6aac192cf046be6b724f2d281a03c8868
SHA3-384 hash: 91940eedc50863d1ae4663469095295c34b277962a66ae2ef636164df800e4728394c8ce813e1598441689c6a7307972
SHA1 hash: 4f1fa687119b16f56219617998f168704ab8452a
MD5 hash: 5a0ce094376a595d7691e6a162277d28
humanhash: uncle-item-arizona-wolfram
File name:kitty.mips
Download: download sample
Signature Mirai
File size:106'428 bytes
First seen:2025-08-17 09:15:10 UTC
Last seen:2025-08-19 04:30:07 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:BvzbaFtxELLIiL7BR+iwjakRrswjFLCilio2FSZuh7qG246vrn:BvT8iL7BwkkpsSWEd2FSZG7qG8jn
TLSH T1F4A3E6563710DF62C26DC23009F3C7566AEA26D62AE28449F22DDA1C6E3534D6C2FFD4
telfhash t121110450ae320b37e9b2d524d4dd5b12c11ec66da851f723df10dacc5a2a04da207f4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
4
# of downloads :
34
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
Status:
terminated
Behavior Graph:
%3 guuid=f6809d09-1f00-0000-5eed-0ba86d0b0000 pid=2925 /usr/bin/sudo guuid=c9e17a0c-1f00-0000-5eed-0ba8740b0000 pid=2932 /tmp/sample.bin guuid=f6809d09-1f00-0000-5eed-0ba86d0b0000 pid=2925->guuid=c9e17a0c-1f00-0000-5eed-0ba8740b0000 pid=2932 execve
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: 1758775 Sample: kitty.mips.elf Startdate: 17/08/2025 Architecture: LINUX Score: 56 17 169.254.169.254, 80 USDOSUS Reserved 2->17 19 noname-3d45fa2f.online 66.78.40.221, 57642, 57644, 9080 QUICKPACKETUS United States 2->19 21 daisy.ubuntu.com 2->21 23 Multi AV Scanner detection for submitted file 2->23 25 Contains symbols with names commonly found in malware 2->25 8 kitty.mips.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 kitty.mips.elf 8->12         started        process6 14 kitty.mips.elf 12->14         started        signatures7 27 Sample deletes itself 14->27
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-08-16 07:18:13 UTC
File Type:
ELF32 Big (SO)
AV detection:
15 of 38 (39.47%)
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:enterpriseunix2
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
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 c812b4f50d1288e9b517b6537de95de6aac192cf046be6b724f2d281a03c8868

(this sample)

  
Delivery method
Distributed via web download

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