MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4dc8c072c27ad351770395fb841ef75d3f94b7e3c28986b4b3a995625ec60f74. 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 2 File information Comments

SHA256 hash: 4dc8c072c27ad351770395fb841ef75d3f94b7e3c28986b4b3a995625ec60f74
SHA3-384 hash: a380ca0105d56a3fd0c602e281ad5709d0efecffeac709b39ea131dc5fc3aa534545eb36e7a8e670c4bc55d24150d055
SHA1 hash: 5cbc4ca594cf21b43803f5e17dabc67bb03c9327
MD5 hash: 5258de20737cf159e7f07924375b587d
humanhash: august-colorado-massachusetts-autumn
File name:mipsel
Download: download sample
Signature Mirai
File size:219'228 bytes
First seen:2025-08-05 23:39:13 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:+1e9jG9zM1tUrgBnFjtRQLgqwg8C/rQ/20LEWFR7I:Xz1ugDjtCLgY8HZEiR7
TLSH T14624A50AAF510EFBD8AFDD3706E90B0625CC650722A83B7A3678D524F54A94F49D3C78
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 :
42
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Creating a file
Sets a written file as executable
Receives data from a server
Connection attempt
Kills processes
Runs as daemon
Kills critical processes
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
bash lolbin threat
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
2
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=f5819862-1900-0000-f832-15051b0f0000 pid=3867 /usr/bin/sudo guuid=4c3e7764-1900-0000-f832-1505230f0000 pid=3875 /tmp/sample.bin guuid=f5819862-1900-0000-f832-15051b0f0000 pid=3867->guuid=4c3e7764-1900-0000-f832-1505230f0000 pid=3875 execve guuid=8a2b9565-1900-0000-f832-1505260f0000 pid=3878 /usr/bin/dash guuid=4c3e7764-1900-0000-f832-1505230f0000 pid=3875->guuid=8a2b9565-1900-0000-f832-1505260f0000 pid=3878 clone
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Found malware configuration
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1750955 Sample: mipsel.elf Startdate: 06/08/2025 Architecture: LINUX Score: 100 25 169.254.169.254, 80 USDOSUS Reserved 2->25 27 92.113.21.114, 41218, 41220, 41222 UKRTELNETUA Ukraine 2->27 29 daisy.ubuntu.com 2->29 37 Found malware configuration 2->37 39 Antivirus detection for dropped file 2->39 41 Antivirus / Scanner detection for submitted sample 2->41 43 3 other signatures 2->43 9 mipsel.elf 2->9         started        11 python3.8 dpkg 2->11         started        signatures3 process4 process5 13 mipsel.elf 9->13         started        process6 15 mipsel.elf 13->15         started        file7 21 /var/main, ELF 15->21 dropped 23 /etc/init.d/xs.main, POSIX 15->23 dropped 31 Sample tries to set files in /etc globally writable 15->31 33 Drops files in suspicious directories 15->33 35 Sample deletes itself 15->35 19 mipsel.elf 15->19         started        signatures8 process9
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-08-05 23:39:30 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 37 (37.84%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Enumerates running processes
Modifies init.d
Deletes itself
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: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 4dc8c072c27ad351770395fb841ef75d3f94b7e3c28986b4b3a995625ec60f74

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments