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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 526118535dbe72042e5e5c329b31dec47de1d1e7be02c26a1f329c8287dbbc8b. 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 4 File information Comments

SHA256 hash: 526118535dbe72042e5e5c329b31dec47de1d1e7be02c26a1f329c8287dbbc8b
SHA3-384 hash: 9815045df64232202d76deaad4282ec2a00563ecc4dbc72859c86f89dae12f99b662b6af1679746a504f90cd9c4080bc
SHA1 hash: e5cb86979bd929a48453519eb49833173bd8be53
MD5 hash: 802a25cdb841a8dad83e12ff260bf346
humanhash: victor-pennsylvania-sad-hamper
File name:arm6
Download: download sample
Signature Mirai
File size:62'908 bytes
First seen:2026-10-10 01:35:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:yPcuAvJS1I4VFIy+Rs8nrzLFeAoZqf7o1jA+X8fS:yPk34VFg6+r/7o1DX86
TLSH T18553023DF118CEC0B231723DC6BD16517056A9F2F9B935978232A76C72CB60F57A818A
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 UPX
File size (compressed) :62'908 bytes
File size (de-compressed) :137'208 bytes
Format:linux/arm
Unpacked file: 8e550ed90921aa2a7c6d4b5a03fb8cb6d5e45ef9d1705baaea6c41bab5ae4ed6

Intelligence


File Origin
# of uploads :
1
# of downloads :
91
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creates directories
Receives data from a server
Sends data to a server
Manages services
Connection attempt
Launching a process
Changes the time when the file was created, accessed, or modified
Runs as daemon
Sets a written file as executable
Changes access rights for a written file
Mounts file systems
Creating a file
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
265
Number of processes launched:
8
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-10-09T23:32:00Z UTC
Last seen:
2026-10-11T18:11:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=bc2ebffb-1800-0000-9be7-1bcad10b0000 pid=3025 /usr/bin/sudo guuid=acfb8efd-1800-0000-9be7-1bcad30b0000 pid=3027 /tmp/sample.bin guuid=bc2ebffb-1800-0000-9be7-1bcad10b0000 pid=3025->guuid=acfb8efd-1800-0000-9be7-1bcad30b0000 pid=3027 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Signature
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Protects files from modification
Sample deletes itself
Sample is packed with UPX
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Writes ELF files to hidden directories
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1985206 Sample: arm6.elf Startdate: 10/10/2026 Architecture: LINUX Score: 96 77 217.60.103.135, 35342 HOSTSNAP-NETWORK-HostSNAPLLCUS Switzerland 2->77 79 Multi AV Scanner detection for submitted file 2->79 81 Sample is packed with UPX 2->81 12 arm6.elf 2->12         started        14 systemd snapd-env-generator 2->14         started        16 systemd snapd-env-generator 2->16         started        18 systemd snapd-env-generator 2->18         started        signatures3 process4 process5 20 arm6.elf 12->20         started        process6 22 arm6.elf 20->22         started        process7 24 arm6.elf 22->24         started        file8 63 /var/tmp/.cache/sysd, ELF 24->63 dropped 65 /etc/systemd/system/system-service.service, ASCII 24->65 dropped 67 /etc/rc.local, POSIX 24->67 dropped 69 /etc/init.d/system-service, POSIX 24->69 dropped 91 Sample tries to set files in /etc globally writable 24->91 93 Writes ELF files to hidden directories 24->93 95 Drops files in suspicious directories 24->95 97 2 other signatures 24->97 28 arm6.elf 24->28         started        32 arm6.elf sh 24->32         started        34 arm6.elf sh 24->34         started        36 6 other processes 24->36 signatures9 process10 file11 71 /root/.bashrc, ASCII 28->71 dropped 73 /etc/profile, ASCII 28->73 dropped 101 Sample tries to persist itself using /etc/profile 28->101 103 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 28->103 38 arm6.elf chattr 28->38         started        41 arm6.elf busybox 28->41         started        43 arm6.elf chattr 28->43         started        54 9 other processes 28->54 45 sh crontab 32->45         started        48 sh 32->48         started        50 sh update-rc.d 34->50         started        105 Sample reads /proc/mounts (often used for finding a writable filesystem) 36->105 52 sh crontab 36->52         started        56 2 other processes 36->56 signatures12 process13 file14 83 Protects files from modification 38->83 75 /var/spool/cron/crontabs/tmp.rwKFul, ASCII 45->75 dropped 85 Sample tries to persist itself using cron 45->85 87 Executes the "crontab" command typically for achieving persistence 45->87 58 sh crontab 48->58         started        89 Sample tries to persist itself using System V runlevels 50->89 61 update-rc.d systemctl 50->61         started        signatures15 process16 signatures17 99 Executes the "crontab" command typically for achieving persistence 58->99
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-10-10 01:36:18 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery execution persistence privilege_escalation upx
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Changes its process name
Reads system network configuration
Modifies Bash startup script
Reads process memory
UPX packed file
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Deletes itself
Modifies the /etc/hosts DNS resolution file
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_IoT_DVR_Botnet_Hama_UPX
Author:Serhii Kocherhan
Description:Detects packed and unpacked ELF IoT/DVR botnet variants targeting UPX compression structures and uncompressed code
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 526118535dbe72042e5e5c329b31dec47de1d1e7be02c26a1f329c8287dbbc8b

(this sample)

  
Delivery method
Distributed via web download

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