MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf3b3e8235a980a6f281b9998ed4c89d9f1b94cf693a0fb63de5f07f49923a3f. 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: 11


Intelligence 11 IOCs YARA 9 File information Comments

SHA256 hash: bf3b3e8235a980a6f281b9998ed4c89d9f1b94cf693a0fb63de5f07f49923a3f
SHA3-384 hash: 7030eaf5f2ec201a80336b414cbb195ab6769cad6309e6fa003a02fc64969d7e5dff684035ddb865eea7b2210ba125e2
SHA1 hash: 3d5038f7e8d436abe4933764c75d4cf4e6c102f6
MD5 hash: c64fe8a68558bb7530c5b4db572f1512
humanhash: mango-helium-double-michigan
File name:mirai.mpsl
Download: download sample
Signature Mirai
File size:117'332 bytes
First seen:2025-12-24 09:13:14 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:K1QnPc8ry+Q6DkoMLMcmmK8cGD9EORvkxTt0BsO:SQnPc8r/koMLJXvkU5
TLSH T1E5B3E61ABF601FF7E89FCC374AE91B05258C651A21A87B75B934D828F24B65F05E3870
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 :
46
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
botnet masquerade mirai obfuscated
Result
Gathering data
Verdict:
Malicious
File Type:
ELF 32 LE
Detections:
HEUR:Backdoor.Linux.Mirai.hw HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.fg HEUR:Backdoor.Linux.Mirai.c HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r
Status:
terminated
Behavior Graph:
%3 guuid=2c5fff51-1900-0000-0ef5-4e5ec6100000 pid=4294 /usr/bin/sudo guuid=5a87fe53-1900-0000-0ef5-4e5eca100000 pid=4298 /tmp/sample.bin guuid=2c5fff51-1900-0000-0ef5-4e5ec6100000 pid=4294->guuid=5a87fe53-1900-0000-0ef5-4e5eca100000 pid=4298 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
Antivirus / Scanner detection for submitted sample
Drops files in suspicious directories
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1838725 Sample: mirai.mpsl.elf Startdate: 24/12/2025 Architecture: LINUX Score: 96 29 170.185.89.150 WORLDNET5-10US United States 2->29 31 161.28.193.204, 23 WEST-NET-WESTUS United States 2->31 33 98 other IPs or domains 2->33 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected Mirai 2->43 8 mirai.mpsl.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 signatures5 45 Sample deletes itself 8->45 15 mirai.mpsl.elf 8->15         started        process6 file7 23 /usr/bin/wget, POSIX 15->23 dropped 25 /usr/bin/tftp, POSIX 15->25 dropped 27 /usr/bin/curl, POSIX 15->27 dropped 35 Drops files in suspicious directories 15->35 19 mirai.mpsl.elf 15->19         started        21 mirai.mpsl.elf 15->21         started        signatures8 process9
Gathering data
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:mirai defense_evasion discovery persistence
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Write file to user bin folder
Writes file to system bin folder
Deletes itself
Modifies Watchdog functionality
Contacts a large (23682) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
botnet mirai trojan Unix.Trojan.Mirai-7100807-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_2 Mirai_Botnet_Malware Linux_Trojan_Mirai_0bce98a2
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_Mirai_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Mirai_0bce98a2
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 bf3b3e8235a980a6f281b9998ed4c89d9f1b94cf693a0fb63de5f07f49923a3f

(this sample)

  
Delivery method
Distributed via web download

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