MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af43ef221c32a253fa2bd832f3f6cca5444562e232b68f8cfee1e863adba600d. 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 5 File information Comments

SHA256 hash: af43ef221c32a253fa2bd832f3f6cca5444562e232b68f8cfee1e863adba600d
SHA3-384 hash: dd3e0a55a5ff031ef5711d3ac3dd124db352b7f8041897ac5aec1516d110b1e5915dcce1ca206271ce58cb1625c24440
SHA1 hash: 17614badb12f0800058f8a164bef345c6907f386
MD5 hash: cbea99f824ebdd0601d3ca6e6730468a
humanhash: zebra-grey-apart-video
File name:well.mpsl
Download: download sample
Signature Mirai
File size:207'268 bytes
First seen:2025-08-27 17:19:19 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:ZuO19j4NnN4wgKFrxDoOWLsddlfbrUhll70:ZuO1aNnN7FrxDoOjvlffU3
TLSH T11314D706AF510FFBDCABDD3702E91B0128CCA55722A93B353674C528F54A64B5AE3C68
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 c25b5747b20111772d6e2b261ca50aade4eaf0bfeb494b973ab4ef3887f90924
File size (compressed) :61'276 bytes
File size (de-compressed) :207'268 bytes
Format:linux/mipsel
Packed file: c25b5747b20111772d6e2b261ca50aade4eaf0bfeb494b973ab4ef3887f90924

Intelligence


File Origin
# of uploads :
1
# of downloads :
73
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Runs as daemon
Sends data to a server
Connection attempt
Kills critical processes
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated 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:
1
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=dc731e2b-1a00-0000-8d06-aee7e6080000 pid=2278 /usr/bin/sudo guuid=bb33ad2c-1a00-0000-8d06-aee7eb080000 pid=2283 /tmp/sample.bin guuid=dc731e2b-1a00-0000-8d06-aee7e6080000 pid=2278->guuid=bb33ad2c-1a00-0000-8d06-aee7eb080000 pid=2283 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1766444 Sample: well.mpsl.elf Startdate: 27/08/2025 Architecture: LINUX Score: 76 27 82.95.106.100 XS4ALL-NLAmsterdamNL Netherlands 2->27 29 166.103.234.222 WINDSTREAMUS Korea Republic of 2->29 31 98 other IPs or domains 2->31 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected Mirai 2->41 9 well.mpsl.elf 2->9         started        signatures3 process4 process5 11 well.mpsl.elf 9->11         started        13 well.mpsl.elf 9->13         started        16 well.mpsl.elf 9->16         started        signatures6 18 well.mpsl.elf 11->18         started        21 well.mpsl.elf 11->21         started        23 well.mpsl.elf 11->23         started        43 Sample tries to kill multiple processes (SIGKILL) 13->43 process7 signatures8 33 Sample tries to kill multiple processes (SIGKILL) 18->33 25 well.mpsl.elf 21->25         started        process9
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-08-27 17:27:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (48098) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7135890-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024
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:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security

File information


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

Web download

Mirai

elf af43ef221c32a253fa2bd832f3f6cca5444562e232b68f8cfee1e863adba600d

(this sample)

  
Delivery method
Distributed via web download

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