MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 621cd88f72054e15eebba7a81a790b92eb31909e3162d0e9ab39075dc713056a. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments

SHA256 hash: 621cd88f72054e15eebba7a81a790b92eb31909e3162d0e9ab39075dc713056a
SHA3-384 hash: ab3a43913d57f844816045f1014ade42db81f65c8d510f766481c20e6a03e5b35f0881a7103b188ddacfac103c6a5fe8
SHA1 hash: a5a1628d5eb2a9263659747582dffdeaa331e92a
MD5 hash: db0d642dfd347b658d8732b8c45672a0
humanhash: angel-nuts-sad-kitten
File name:kitty.powerpc
Download: download sample
Signature Mirai
File size:132'652 bytes
First seen:2025-08-17 09:15:11 UTC
Last seen:2025-08-17 11:39:52 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:6o5SsMRNAiYryeJyT69YEGZ0lYlUWJxydUOy1ZGWw4RvxDQr4FvQU:1trygyTRpZ0lYfJxydUOB4zDoAn
TLSH T15FD34C02FB580423C4D36DB41E3B0776D3295E9204FAF1192609BB6A1A33DB696C7FC9
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
3
# of downloads :
71
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Connection attempt
DNS request
Runs as daemon
Substitutes an application name
Deleting of the original file
Status:
terminated
Behavior Graph:
%3 guuid=0bf9f806-1b00-0000-4d0a-0826c40a0000 pid=2756 /usr/bin/sudo guuid=a3a54009-1b00-0000-4d0a-0826cb0a0000 pid=2763 /tmp/sample.bin guuid=0bf9f806-1b00-0000-4d0a-0826c40a0000 pid=2756->guuid=a3a54009-1b00-0000-4d0a-0826cb0a0000 pid=2763 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sample deletes itself
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1758774 Sample: kitty.powerpc.elf Startdate: 17/08/2025 Architecture: LINUX Score: 52 17 169.254.169.254, 80 USDOSUS Reserved 2->17 19 noname-3d45fa2f.online 66.78.40.221, 50648, 9080 QUICKPACKETUS United States 2->19 21 daisy.ubuntu.com 2->21 23 Multi AV Scanner detection for submitted file 2->23 8 kitty.powerpc.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 kitty.powerpc.elf 8->12         started        process6 14 kitty.powerpc.elf 12->14         started        signatures7 25 Sample deletes itself 14->25
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-08-16 07:17:19 UTC
File Type:
ELF32 Big (SO)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
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
Author:NDA0E
Description:Detects multiple Mirai variants
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 621cd88f72054e15eebba7a81a790b92eb31909e3162d0e9ab39075dc713056a

(this sample)

  
Delivery method
Distributed via web download

Comments