MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f6205333370466fd7272913bad0cb50ec4bd8a60713923780d4d50709fd2a27f. 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 2 File information Comments

SHA256 hash: f6205333370466fd7272913bad0cb50ec4bd8a60713923780d4d50709fd2a27f
SHA3-384 hash: 4db58cabb5a2f0b43862a36629106f0cc10a67ee892388b28909b93c6dcd50c59715c467694245a110792f26f98ed8ab
SHA1 hash: 719a29cc0071cea10f4038033b305daa4d0098c5
MD5 hash: b086993ce34bba23a3492e57677f9293
humanhash: california-pizza-magnesium-virginia
File name:katrina
Download: download sample
Signature Mirai
File size:95'676 bytes
First seen:2025-07-14 00:10:08 UTC
Last seen:2025-07-14 11:51:25 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:1slvh4KKvx5K3MwPbY18EpWkczgld607xIkHSakxIbAgykHiayG:1slWnv3wPbY3W2d6sxRXUgykHHyG
TLSH T174934B97F804DEBEF40DCA7744530A06BA30A3E20E921A737723A857FD761991573E86
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
17
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated obfuscated
Status:
terminated
Behavior Graph:
%3 guuid=262c1bca-1800-0000-1066-0f96c90a0000 pid=2761 /usr/bin/sudo guuid=8681d5cc-1800-0000-1066-0f96cd0a0000 pid=2765 /tmp/sample.bin guuid=262c1bca-1800-0000-1066-0f96c90a0000 pid=2761->guuid=8681d5cc-1800-0000-1066-0f96cd0a0000 pid=2765 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
60 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Terminates several processes with shell command 'killall'
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1735565 Sample: katrina.elf Startdate: 14/07/2025 Architecture: LINUX Score: 60 42 212.8.62.113 ZSSM-ASUA Ukraine 2->42 44 209.31.82.167 XO-AS15US United States 2->44 46 99 other IPs or domains 2->46 50 Multi AV Scanner detection for submitted file 2->50 52 Connects to many ports of the same IP (likely port scanning) 2->52 10 katrina.elf 2->10         started        signatures3 process4 process5 12 katrina.elf 10->12         started        14 katrina.elf 10->14         started        process6 16 katrina.elf 12->16         started        signatures7 48 Sample tries to kill multiple processes (SIGKILL) 16->48 19 katrina.elf sh 16->19         started        21 katrina.elf sh 16->21         started        23 katrina.elf sh 16->23         started        25 59 other processes 16->25 process8 process9 27 sh killall 19->27         started        30 sh killall 21->30         started        32 sh killall 23->32         started        34 sh killall 25->34         started        36 sh killall 25->36         started        38 sh killall 25->38         started        40 55 other processes 25->40 signatures10 54 Terminates several processes with shell command 'killall' 27->54
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-07-14 00:10:29 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:kyton linux
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
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:botnet_plaintext_c2
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
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 f6205333370466fd7272913bad0cb50ec4bd8a60713923780d4d50709fd2a27f

(this sample)

  
Delivery method
Distributed via web download

Comments