MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a12b5a8aa5d5af1d2857c3dc78cf1e91891bf1e9d7e98b81f6775b1203080a4. 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: 7


Intelligence 7 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5a12b5a8aa5d5af1d2857c3dc78cf1e91891bf1e9d7e98b81f6775b1203080a4
SHA3-384 hash: 6b69fc27c2144578c97a9a7ab3dd611ccff548f940a4ee8fda7d8a6e2939dbf74f1cea57755ce6b086e9db9b935005a8
SHA1 hash: 53fed156ce1c3d08b2eda8d7f3335825167344ca
MD5 hash: edea1af8552b4becfb4d825975426c43
humanhash: arkansas-finch-venus-mexico
File name:data.mips-uclibc
Download: download sample
Signature Mirai
Create hunting rule
File size:172'088 bytes
First seen:2026-01-29 07:17:45 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:dZHbsdkK6CoziejNLQxxgVRNFxCzYTGWCmypPJpb:dJbs0RjNLGuVzsYH7u/b
TLSH T1CCF31A5377324F80E766D6720FB38B5959EB11812EE248C5936CCB103A207E9689BFF5
telfhash t1e5218e18483823f097b64c9e2aecff36e4a171db0a252d378d00e9ad976dd829d00c2c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
79
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Kills processes
Receives data from a server
Launching a process
Sends data to a server
DNS request
Sets a written file as executable
Creating a file in the %temp% directory
Connection attempt
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bash gcc lolbin mirai
Link:
https://www.filescan.io/uploads/697b09c24156786ccbde9d94/reports/b63bb62a-7630-4ce9-ae98-37c0561d4c97/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
133
Number of processes launched:
8
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/5a12b5a8aa5d5af1d2857c3dc78cf1e91891bf1e9d7e98b81f6775b1203080a4
Behaviour
Persistence
Process Renaming
Firewall Changes
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/24808299-3d91-4a1f-9cdc-f1c14d4d8c97
Behavior Graph:
Download SVG
%3 guuid=fa17b67d-1600-0000-0717-416a60100000 pid=4192 /usr/bin/sudo guuid=913ec37f-1600-0000-0717-416a69100000 pid=4201 /tmp/sample.bin guuid=fa17b67d-1600-0000-0717-416a60100000 pid=4192->guuid=913ec37f-1600-0000-0717-416a69100000 pid=4201 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d692041e-c1f2-4c57-af87-10137970a5cc
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1859578
Signature
Drops files in suspicious directories
Executes the "iptables" command to insert, remove and/or manipulate rules
Multi AV Scanner detection for submitted file
Sample pipes script to sh (AV evasion)
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1859578 Sample: data.mips-uclibc.elf Startdate: 29/01/2026 Architecture: LINUX Score: 68 42 109.202.202.202, 80 INIT7CH Switzerland 2->42 44 cyber-reborn.com 130.12.180.108, 25565, 37720 DATAHOPDatahop-SixDegreesGB Canada 2->44 46 3 other IPs or domains 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Sample pipes script to sh (AV evasion) 2->50 11 data.mips-uclibc.elf 2->11         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 process4 process5 17 data.mips-uclibc.elf 11->17         started        process6 19 data.mips-uclibc.elf 17->19         started        file7 40 /etc/init.d/system_service, POSIX 19->40 dropped 54 Sample tries to set files in /etc globally writable 19->54 56 Drops files in suspicious directories 19->56 58 Sample tries to persist itself using System V runlevels 19->58 23 data.mips-uclibc.elf 19->23         started        25 data.mips-uclibc.elf sh 19->25         started        signatures8 process9 process10 27 data.mips-uclibc.elf sh 23->27         started        29 data.mips-uclibc.elf sh 23->29         started        31 data.mips-uclibc.elf 23->31         started        33 sh cp 25->33         started        process11 35 sh iptables 27->35         started        38 sh iptables 29->38         started        signatures12 52 Executes the "iptables" command to insert, remove and/or manipulate rules 35->52
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/5a12b5a8aa5d5af1d2857c3dc78cf1e91891bf1e9d7e98b81f6775b1203080a4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5a12b5a8aa5d5af1d2857c3dc78cf1e91891bf1e9d7e98b81f6775b1203080a4/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lijllkfklvnpduufpq64pdhr5emjdpy6tv7jroa7m523cibqqcsa._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
credential_access discovery persistence
Link:
https://tria.ge/reports/260129-h458taay6c/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/5a12b5a8aa5d5af1d2857c3dc78cf1e91891bf1e9d7e98b81f6775b1203080a4

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_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:MAL_ELF_Xlogin_Nov24_1
Create hunting rule
Author:Florian Roth
Description:Detects xlogin backdoor samples
Reference:https://blog.sekoia.io/solving-the-7777-botnet-enigma-a-cybersecurity-quest/
Rule name:unixredflags3
Create hunting rule
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 5a12b5a8aa5d5af1d2857c3dc78cf1e91891bf1e9d7e98b81f6775b1203080a4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3761575/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3765324/

Comments