MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4f249f5d7521b847a08ce32dfd8db9cefc0d1b20e9b8f496514493870c32cb2. 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: 8


Intelligence 8 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4f249f5d7521b847a08ce32dfd8db9cefc0d1b20e9b8f496514493870c32cb2
SHA3-384 hash: 22ca6885975cb92686fc26ca825c0c6d3ee34dd47cf7a8352a9a7ae714a6cee6dc807ad09d972672d1bc30c0ad232201
SHA1 hash: 509441bff8885e50346743e83c8ac1308130f97f
MD5 hash: 303f3dcb09559cf653cc0724b47b1d29
humanhash: timing-solar-carbon-crazy
File name:mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:276'888 bytes
First seen:2025-10-29 18:44:41 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:hIkOvh8Jz8s69rYCzOzvnvDrGVv65KHDtpkj4oJOjhGVHqRnL5654:WAwHS4qOjf1A5
TLSH T13D44542A6B615EB7E85ECD3305A9460225CCA14A62D92F3FB6B4C21CF78BD0F45E3C54
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
80
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-1.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Unix.Trojan.Mirai-10017641-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Deleting a recently created file
Runs as daemon
Kills processes
Opens a port
Sends data to a server
Removes directories
Mounts file systems
Connection attempt
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin remote threat
Link:
https://www.filescan.io/uploads/69027143de25fddba05c2f1a/reports/666519d0-af40-4419-89be-dc0080b1973b/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-29T19:39:00Z UTC
Last seen:
2025-10-29T20:54:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b4f249f5d7521b847a08ce32dfd8db9cefc0d1b20e9b8f496514493870c32cb2/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0166bf1e-82e4-43dd-926f-832b94ac3d62
Behavior Graph:
Download SVG
%3 guuid=e1cb4d6f-1900-0000-7684-8fda6c0c0000 pid=3180 /usr/bin/sudo guuid=ff78f670-1900-0000-7684-8fda720c0000 pid=3186 /tmp/sample.bin guuid=e1cb4d6f-1900-0000-7684-8fda6c0c0000 pid=3180->guuid=ff78f670-1900-0000-7684-8fda720c0000 pid=3186 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/65b22ded-afbe-4645-988f-ddf93d743d48
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1804368
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Performs DNS TXT record lookups
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1804368 Sample: mpsl.elf Startdate: 29/10/2025 Architecture: LINUX Score: 100 24 bots.kiro.forum 2->24 26 197.190.238.233 zain-asGH Ghana 2->26 28 99 other IPs or domains 2->28 30 Suricata IDS alerts for network traffic 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 38 4 other signatures 2->38 8 mpsl.elf 2->8         started        11 python3.8 dpkg 2->11         started        signatures3 36 Performs DNS TXT record lookups 24->36 process4 signatures5 40 Sample deletes itself 8->40 42 Sample reads /proc/mounts (often used for finding a writable filesystem) 8->42 13 mpsl.elf 8->13         started        16 mpsl.elf 8->16         started        18 mpsl.elf 8->18         started        20 mpsl.elf 8->20         started        process6 signatures7 44 Sample reads /proc/mounts (often used for finding a writable filesystem) 13->44 22 mpsl.elf 16->22         started        process8
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b4f249f5d7521b847a08ce32dfd8db9cefc0d1b20e9b8f496514493870c32cb2
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b4f249f5d7521b847a08ce32dfd8db9cefc0d1b20e9b8f496514493870c32cb2/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-29 21:44:30 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wtzet5oxkinyi6qizyzn7wg3ttx4bunsb2ny6slfcretq4gdfsza._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access discovery
Link:
https://tria.ge/reports/251029-yjs1ra1kbq/
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Enumerates running processes
Deletes itself
Contacts a large (36600) amount of remote hosts
Creates a large amount of network flows
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_202510_elf_hailbot
Create hunting rule
Author:abuse.ch
Description:Detects HailBot ELF files
Rule name:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 b4f249f5d7521b847a08ce32dfd8db9cefc0d1b20e9b8f496514493870c32cb2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3670685/
  
Delivery method
Distributed via web download

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