MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05a2e838e3fcc27b6dbd536d0c123d52e25b341464ed8b38f892f38d38fa6cfa. 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 4 File information Comments

SHA256 hash: 05a2e838e3fcc27b6dbd536d0c123d52e25b341464ed8b38f892f38d38fa6cfa
SHA3-384 hash: 00ffba77ef80a55027b012bbbb9246afc3dc34d61d3f40e5c5a0c361ead583df9fdda859581bcf2cb0ad5a1f662000c4
SHA1 hash: 119966b578d3135db54b6e158a2546e386d940a1
MD5 hash: ff725b4b2cd1636274f515aac8f73a38
humanhash: speaker-november-oklahoma-equal
File name:flutter.x86_64
Download: download sample
Signature Mirai
File size:92'872 bytes
First seen:2026-06-28 03:52:00 UTC
Last seen:2026-06-28 21:22:26 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:uGKVOfkGoT1+e4lXaJniZWMmNTIGjDRp7KP42C6nKarClsi0XRaZ3F1O:6VOMGo5SlKJzN9/LS427TWlsi0Xcq
TLSH T12493023C798A0A17F90A207FB100681F7CDD723967909D60EE792D17BC2FC2EA658647
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 UPX
File size (compressed) :92'872 bytes
File size (de-compressed) :181'568 bytes
Format:linux/amd64
Unpacked file: e8ddc81d5b7fbc3585ae8bdfeb22d612eee224bc58a967eb7c40b9a2a9dccd85

Intelligence


File Origin
# of uploads :
2
# of downloads :
74
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Changes access rights for a written file
Creating a file
Sends data to a server
Connection attempt
Receives data from a server
Runs as daemon
Kills processes
Manages services
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
botnet mirai packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
7
Number of processes launched:
8
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
File Type:
elf.64.le
First seen:
2026-06-28T01:17:00Z UTC
Last seen:
2026-06-28T01:55:00Z UTC
Hits:
~10
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1934597 Sample: flutter.x86_64.elf Startdate: 28/06/2026 Architecture: LINUX Score: 60 38 141.11.88.109, 46946, 6767 ROYALE-ASNL United States 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 Sample is packed with UPX 2->42 10 flutter.x86_64.elf 2->10         started        12 systemd snapd-env-generator 2->12         started        14 systemd snapd-env-generator 2->14         started        signatures3 process4 process5 16 flutter.x86_64.elf 10->16         started        process6 18 flutter.x86_64.elf 16->18         started        file7 32 /usr/local/bin/network-dispatch, ELF 18->32 dropped 34 /etc/rc.local, ASCII 18->34 dropped 36 /etc/cron.d/flutter, ASCII 18->36 dropped 44 Sample tries to persist itself using cron 18->44 46 Sample tries to persist itself using System V runlevels 18->46 22 flutter.x86_64.elf 18->22         started        24 flutter.x86_64.elf systemctl 18->24         started        26 flutter.x86_64.elf systemctl 18->26         started        28 flutter.x86_64.elf 18->28         started        signatures8 process9 process10 30 flutter.x86_64.elf 22->30         started       
Threat name:
Linux.Trojan.Qwexlafiba
Status:
Malicious
First seen:
2026-06-28 01:48:10 UTC
File Type:
ELF64 Little (Exe)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation upx
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
UPX packed file
Creates/modifies Cron job
Enumerates active TCP sockets
Enumerates running processes
Modifies rc script
Modifies systemd
Write file to user bin folder
Modifies Watchdog functionality
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 05a2e838e3fcc27b6dbd536d0c123d52e25b341464ed8b38f892f38d38fa6cfa

(this sample)

  
Delivery method
Distributed via web download

Comments