MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f2efc50b86c736baa592020f85ccf04f884403ea55dd3f2168c49ebfdadb05cf. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments

SHA256 hash: f2efc50b86c736baa592020f85ccf04f884403ea55dd3f2168c49ebfdadb05cf
SHA3-384 hash: 308604bbf1a45308cb22e48edead97928fb0004a8f74fae754afce3616d5fc752721501a0f435a516f643b349b882bfb
SHA1 hash: 1944107f62b05ed08c927a228ec386706d2e6144
MD5 hash: 77cc66e0a9eed33ce52b93a2c7852580
humanhash: california-social-princess-fish
File name:colonna.sh4
Download: download sample
Signature Mirai
File size:112'064 bytes
First seen:2025-12-06 06:26:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:NakKmsU6ffl01IbrmFuBGyUW3JN9ZqDTAK3462xpVy1CoWggaHU0T2A5Up1+:NvKmsVl01msuGyRHq3H3apVy1PUU
TLSH T1E5B39E21C4745EA4C1564530B8E9FE361F23E9C09257BFBB6694C3AA5083EA8F505FF4
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 :
1
# of downloads :
84
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
a c2 socket address and a scan socket address
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-06T04:26:00Z UTC
Last seen:
2025-12-07T07:59:00Z UTC
Hits:
~10
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1827826 Sample: colonna.sh4.elf Startdate: 06/12/2025 Architecture: LINUX Score: 88 22 169.254.169.254, 80 USDOSUS Reserved 2->22 24 194.69.203.32, 3778, 54560, 54562 NASTECHBG Bulgaria 2->24 26 5 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 2 other signatures 2->34 7 colonna.sh4.elf 2->7         started        9 xfce4-panel wrapper-2.0 2->9         started        11 xfce4-panel wrapper-2.0 2->11         started        13 7 other processes 2->13 signatures3 process4 process5 15 colonna.sh4.elf 7->15         started        18 colonna.sh4.elf 7->18         started        20 colonna.sh4.elf 7->20         started        signatures6 36 Sample tries to kill multiple processes (SIGKILL) 15->36
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-06 06:28:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7135870-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024
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_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
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 f2efc50b86c736baa592020f85ccf04f884403ea55dd3f2168c49ebfdadb05cf

(this sample)

  
Delivery method
Distributed via web download

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