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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49a0506751b4bfac7e26fcc256bf6f1bc86c0d5db55df5c2c9c2588bdcf582dc. 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 17 File information Comments

SHA256 hash: 49a0506751b4bfac7e26fcc256bf6f1bc86c0d5db55df5c2c9c2588bdcf582dc
SHA3-384 hash: 366db7dc37a1839b64ec59b8c43ceca7753877786890919f2f6f341772a510efc11865c3eb56b0c9516f0d9582bd6b24
SHA1 hash: 0e392d2c681ed48543d54cf5f531453ec2f57bc2
MD5 hash: 07f99f92ddd0a4a6a2b2abb75a7585ea
humanhash: cola-xray-comet-pip
File name:arm5
Download: download sample
Signature Mirai
File size:390'808 bytes
First seen:2026-10-25 16:35:39 UTC
Last seen:2026-10-26 10:22:49 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:XwHEvvsjMrJTUPlySGXNTdDdtUxfjaRUXISPwvnyjOxGKSa9ko:gknsYrw0/TdptUJaqqyj4ga9ko
TLSH T1F784F988E1F1E7DED1D4EA75B31C784D3B230736A1D73146A51AEA3323EB1490AF9921
telfhash t1f0f05959b6c620b2b3e402a1528ae671a93d38d4a35224d0867a159e2627bc178ebc37
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
3
# of downloads :
85
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Creating a file in the %temp% directory
Launching a process
Sets a written file as executable
Receives data from a server
Manages services
Changes the time when the file was created, accessed, or modified
Changes access rights for a written file
Creating a file in the %temp% subdirectories
Creates directories
Kills processes
Connection attempt
Collects information on the CPU
Opens a port
Sends data to a server
DNS request
Runs as daemon
Creates or modifies symbolic links
Writes files to system directory
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Traces processes
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 expand gcc lolbin obfuscated rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Anti-Debugging
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:
2026-10-25T13:48:00Z UTC
Last seen:
2026-10-26T01:36:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=250c0de4-1600-0000-1bac-a8442b0c0000 pid=3115 /usr/bin/sudo guuid=02a860e6-1600-0000-1bac-a8442d0c0000 pid=3117 /tmp/sample.bin guuid=250c0de4-1600-0000-1bac-a8442b0c0000 pid=3115->guuid=02a860e6-1600-0000-1bac-a8442d0c0000 pid=3117 execve
Threat name:
Linux.Exploit.DirtyFrag
Status:
Malicious
First seen:
2026-10-25 16:36:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai antivm botnet defense_evasion discovery execution persistence privilege_escalation
Behaviour
Reads runtime system information
Writes file to shm directory
Writes file to tmp directory
Changes its process name
Checks CPU configuration
Creates a desktop entry file
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Deletes log files
Modifies init.d
Modifies rc script
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Executes dropped EXE
Modifies Watchdog functionality
Traces itself
Detects Mirai
Family: Mirai
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Packer_Dropper_Fileless_Armhf
Author:Serhii Kocherhan
Description:Detects obfuscated Linux ELF packers/droppers featuring ChaCha20/RC4 decryption, memfd_create/execveat fileless execution capabilities, and unique binary artifacts.
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:EXPL_HKTL_LNX_DirtyFragShellcode_May26
Author:Pezier Pierre-Henri (Nextron Systems)
Description:Detects a shellcode observed in dirtyfrag, a local privilege escalation exploit for Linux.
Reference:https://github.com/V4bel/dirtyfrag/tree/master
Rule name:EXPL_LNX_DirtyFrag_ForensicArtefacts_May26
Author:Florian Roth
Description:Detects DirtyFrag exploit code POC usage in Linux environments
Reference:https://github.com/V4bel/dirtyfrag/tree/master
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:linux_generic_ipv6_variants_catcher
Author:@_lubiedo
Description:Find IPv6 capable malware for a set of IoT variants
Rule name:linux_generic_irc_catcher
Author:@_lubiedo
Description:Find new ELF IRC samples
Rule name:MIRAI_OHSHIT_payload
Author:AfterPacket
Description:MIRAI_OHSHIT ELF payload -- compiled-in C2 set, all architectures
Reference:https://github.com/Afterpacket/drosera-threat-intel
Rule name:NSVPS_Hydra_SSH_Bruteforce
Author:sanad (NSVPS-SOC)
Description:Hydra SSH brute-force campaign credentials pattern from NSVPS honeypot
Rule name:NSVPS_Mirai_Busybox_Staging
Author:sanad (NSVPS-SOC)
Description:Mirai-style busybox wget/tftp payload staging seen in NSVPS honeypot
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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: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 49a0506751b4bfac7e26fcc256bf6f1bc86c0d5db55df5c2c9c2588bdcf582dc

(this sample)

  
Delivery method
Distributed via web download

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