MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac3a623411f61b694c38aba99b16449e5fdd0fdd94922b686707c41ea64bdf9d. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments

SHA256 hash: ac3a623411f61b694c38aba99b16449e5fdd0fdd94922b686707c41ea64bdf9d
SHA3-384 hash: 5b9203f08f757ed8d4cf235b3d3c55abca2c96dc77cd0aea7003789641777e7ce6c6537dd796068965eaa9f78479f23b
SHA1 hash: 00efd80eb0c861dba89b18e71a8268637e3785b1
MD5 hash: 2d65a032c072f858f52a0be748858d1f
humanhash: golf-carolina-beryllium-beryllium
File name:mips.urbotnetisass
Download: download sample
Signature Mirai
File size:287'276 bytes
First seen:2025-09-09 14:14:25 UTC
Last seen:2025-09-10 05:04:07 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:j20cg+bU0cBzvYhrOpuyCk/NrHdYenOg+7Zh8prRpJQM:j20cKBjB1rjd2Zh8prRpJQM
TLSH T10D54C70E6E319F3DF7B8873447B78F30965973D626E0CA84E1ACE5011E6064E651FBA8
telfhash t1a241a4180eb817e4623a6c5d485dff26d6a330d77e1b2c238e21e86ea769f834d14d0c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
49
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
Kills processes
Collects information on the CPU
Mounts file systems
Collects information on the network activity
Runs as daemon
Creating a file
Deletes a file
Unmounts file systems
Creates directories in a temporary directory
Sends data to a server
Connection attempt
Deleting a recently created file
Writes files to system directory
Deletes a system binary file
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm anti-vm
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
54
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Anti-VM
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-09-09T18:30:00Z UTC
Last seen:
2025-09-09T18:30:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen
Status:
terminated
Behavior Graph:
%3 guuid=747a7865-1900-0000-3bfb-99fb91120000 pid=4753 /usr/bin/sudo guuid=2ba64e67-1900-0000-3bfb-99fb98120000 pid=4760 /tmp/sample.bin guuid=747a7865-1900-0000-3bfb-99fb91120000 pid=4753->guuid=2ba64e67-1900-0000-3bfb-99fb98120000 pid=4760 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-09-09 14:16:05 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm credential_access defense_evasion discovery
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Checks CPU configuration
Reads system network configuration
Reads process memory
Checks SCSI settings
Checks hardware identifiers (DMI)
Deletes log files
Enumerates running processes
Reads hardware information
Reads list of loaded kernel modules
Writes file to system bin folder
Deletes system logs
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

Mirai

elf ac3a623411f61b694c38aba99b16449e5fdd0fdd94922b686707c41ea64bdf9d

(this sample)

  
Delivery method
Distributed via web download

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